Haystack

Design and execute performance test plans and collaborate with teams to ensure enterprise application performance standards. | 7+ years experience in software programming and performance testing with knowledge of languages like C#, Java, Python and test automation tools. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design and execute performance test plans and collaborate with teams to ensure enterprise application performance standards. | 7+ years experience in software development with strong performance testing, programming in C#/Java/Python, and test automation skills. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design and execute performance tests, analyze results, and collaborate with teams to improve enterprise application performance. | 7+ years experience in software development with strong performance testing and automation skills using languages like C#, Java, or Python, and familiarity with Agile and test automation tools. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design and execute performance test plans and scripts to ensure enterprise application performance standards. | 7+ years experience in software development with strong performance testing and automation skills using languages like C#, Java, or Python and tools like Selenium or Playwright. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Develop and maintain React web applications with scalability, reliability, and security. | Proven React JS experience, problem-solving skills, eagerness to learn new technologies, and basic Salesforce integration knowledge. | We are working with a dynamic technology solutions provider that develops innovative software and digital platforms for a diverse client base. The Role • Develop and maintain high-performance web applications using React JS. • Collaborate with development teams to integrate new features and functionalities. • Ensure application scalability, reliability, and security. • Learn and apply new technologies like React Native and Devin Developer. • Gain exposure to Salesforce integration and LWC development. What You'll Need • Proven experience with React JS. • Familiarity with Claude Code. • Strong problem-solving skills and attention to detail. • Eagerness to learn new front-end technologies and platforms. • Basic understanding of Salesforce integration and LWC development principles. What's On Offer • Opportunity to work on cutting-edge web and mobile technologies. • Collaborative and supportive team environment. • Focus on continuous learning and professional development. Apply via Haystack today!

Develop and maintain high-performance React web applications and collaborate on new features. | Proven React experience, problem-solving skills, and eagerness to learn new front-end technologies. | We are working with a dynamic technology solutions provider that develops innovative software and digital platforms for a diverse client base. The Role • Develop and maintain high-performance web applications using React JS. • Collaborate with development teams to integrate new features and functionalities. • Ensure application scalability, reliability, and security. • Learn and apply new technologies like React Native and Devin Developer. • Gain exposure to Salesforce integration and LWC development. What You'll Need • Proven experience with React JS. • Familiarity with Claude Code. • Strong problem-solving skills and attention to detail. • Eagerness to learn new front-end technologies and platforms. • Basic understanding of Salesforce integration and LWC development principles. What's On Offer • Opportunity to work on cutting-edge web and mobile technologies. • Collaborative and supportive team environment. • Focus on continuous learning and professional development. Apply via Haystack today!

Design and implement performance test plans, execute tests, analyze results, and collaborate with teams to ensure application performance standards. | 7+ years experience in software development with strong performance testing, test automation, and programming in languages like C#, Java, or Python. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design and execute performance test plans and collaborate with teams to ensure enterprise application performance standards. | 7+ years experience in software development with strong performance testing and automation skills using languages like C#, Java, or Python. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design and implement performance test plans and scripts, execute tests, analyze results, and collaborate with teams to improve application performance. | 7+ years experience in software design and support, strong background in performance testing and automation, proficiency in languages like C#, Java, Python, and familiarity with Agile and test automation tools. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Develop and maintain React web applications with AI and Salesforce integrations, ensuring high performance and continuous improvement. | Senior React developer with JavaScript expertise, AI integration familiarity, basic Salesforce knowledge, and eagerness to learn new technologies. | We are partnering with a technology solutions provider that develops innovative software for diverse industries. This organization helps businesses transform and grow by leveraging cutting-edge web technologies and a commitment to continuous learning. The Role • Develop and maintain robust web applications using React JS. • Integrate advanced AI capabilities, including Claude Code, into front-end solutions. • Adapt quickly to new technologies, with a focus on learning React Native and Devin Developer. • Collaborate on Salesforce integrations and Lightning Web Component (LWC) development. • Ensure high performance and responsiveness of applications. • Contribute to a culture of continuous improvement and technical excellence. What You'll Need • Proven experience as a Senior React JS Developer. • Strong proficiency in JavaScript and modern front-end development practices. • Familiarity with Claude Code or similar AI integration frameworks. • Basic understanding of Salesforce integration and LWC development principles. • Eagerness to learn and apply new technologies like React Native and Devin Developer. • Excellent problem-solving skills and attention to detail. What's On Offer • Opportunity to work with cutting-edge technologies and AI. • A collaborative and supportive remote work environment. • Professional growth through continuous learning and skill development. • Impactful work on diverse and challenging projects. Apply via Haystack today!

Design and implement performance test plans, execute tests, analyze results, and collaborate with teams to ensure enterprise application performance standards. | 7+ years experience in software programming and support, strong background in performance testing and automation, experience with C#, Java, Python, Ruby, or Perl, familiarity with Agile and test automation tools. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design and execute performance tests, analyze results, and collaborate with teams to improve application performance. | 7+ years experience in software development with strong performance testing and automation skills using languages like C#, Java, Python, and tools like Selenium. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Develop and maintain React web applications with AI integration and collaborate on Salesforce and new technology adoption. | Senior React developer with JavaScript expertise, AI integration familiarity, Salesforce basics, and eagerness to learn new technologies. | We are partnering with a technology solutions provider that develops innovative software for diverse industries. This organization helps businesses transform and grow by leveraging cutting-edge web technologies and a commitment to continuous learning. The Role • Develop and maintain robust web applications using React JS. • Integrate advanced AI capabilities, including Claude Code, into front-end solutions. • Adapt quickly to new technologies, with a focus on learning React Native and Devin Developer. • Collaborate on Salesforce integrations and Lightning Web Component (LWC) development. • Ensure high performance and responsiveness of applications. • Contribute to a culture of continuous improvement and technical excellence. What You'll Need • Proven experience as a Senior React JS Developer. • Strong proficiency in JavaScript and modern front-end development practices. • Familiarity with Claude Code or similar AI integration frameworks. • Basic understanding of Salesforce integration and LWC development principles. • Eagerness to learn and apply new technologies like React Native and Devin Developer. • Excellent problem-solving skills and attention to detail. What's On Offer • Opportunity to work with cutting-edge technologies and AI. • A collaborative and supportive remote work environment. • Professional growth through continuous learning and skill development. • Impactful work on diverse and challenging projects. Apply via Haystack today!

Design and implement performance test plans and collaborate with teams to ensure application performance standards. | 7+ years experience in software development with strong performance testing and automation skills using languages like C#, Java, or Python. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design and execute performance test plans and collaborate with teams to improve application performance. | 7+ years experience in software programming and performance testing with knowledge of test automation tools and programming languages like C#, Java, or Python. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design and implement performance test plans and scripts and collaborate with teams to improve application performance. | 7+ years experience in software development with strong performance testing and automation skills using languages like C#, Java, or Python. | A global leader in HR services and talent solutions, leveraging technology to connect top talent with leading companies, is seeking a skilled professional to join their team focused on enterprise application performance. The Role • Design and implement performance test plans and scripts for various applications. • Execute performance tests and conduct in-depth analysis of results. • Collaborate with project teams to understand performance metrics and provide recommendations for improvement. • Contribute to the overall application development platform within the IT department. • Ensure applications meet enterprise performance standards through thorough testing. What You'll Need • Minimum of 7 years of related experience in designing, programming, and supporting software programs and applications. • Strong background in performance testing, test automation, and engineering support. • Experience with programming languages such as C#, Java, Python, Ruby, or Perl. • Familiarity with Agile methodologies, Scrum, and test automation tools like Selenium WebDriver or Playwright. • Understanding of application performance, system testing, and enterprise development practices. What's On Offer • Opportunity to work on critical application performance engineering initiatives. • Collaborate with diverse application development teams. • Engage with industry-leading practices in software development and testing. Apply via Haystack today!

Design, develop, maintain, and upgrade public web pages for a critical government command. | 10+ years experience, DoD Top Secret clearance with SCI eligibility, CompTIA Security+ certification, proficiency in Node.js, React, JavaScript, HTML, and experience with government security standards and cloud environments. | A leading technology integrator specializing in full life cycle services and solutions for the technical, engineering, intelligence, and enterprise information technology markets is seeking a skilled professional. This organization is renowned for its deep customer and domain knowledge, enabling the delivery of complex systems engineering and integration offerings for the U.S. federal government. The Role • Design, document, develop, and maintain public web pages for a critical command's infrastructure. • Integrate legacy web pages into a new public website. • Provide maintenance, sustainment, and evolutionary upgrades to existing web pages. • Adhere to Government and industry web and security standards. • Coordinate minor adjustments with content owners. • Assist with administrative oversight and access management for essential services. What You'll Need • 10+ years of relevant experience. • DoD Top Secret clearance with SCI Eligibility. • CompTIA Security+ Certification. • Proficiency with Node.js, React, JavaScript, and HTML. • Experience with AppStream, Confluence, and Content Management Systems (specifically Strapi). • Familiarity with AWS Cloud and implementing software in cloud environments adhering to DoD Security guidelines. • Strong technical writing and documentation skills. • Configuration and change management experience with Government customers. What's On Offer • Opportunity to support critical U.S. federal government initiatives. • Contribute to the modernization of significant IT infrastructure and applications. • Work within a team focused on integrity and mission achievement. Apply via Haystack today!

Create and maintain comprehensive technical documentation for software and systems engineering projects. | Requires 5+ years technical writing experience in engineering environments and strong organizational skills. | A world-leading consulting firm specializing in various industries, including engineering and technology, is seeking a talented individual to join their dynamic team. This organization partners with clients to deliver innovative solutions and expertise across complex projects. The Role • Prepare, review, revise, and maintain technical documents for software and systems engineering, cybersecurity, system operations, and hardware • Develop comprehensive system-level documentation and assembly/test procedures in collaboration with engineers and program managers • Create instruction manuals, how-to guides, and other supporting documents to simplify complex technical information • Employ photos, diagrams, and tables to enhance the clarity and effectiveness of technical content • Participate in project team meetings and reviews, and maintain rigorous document configuration control • Assist with maintaining web pages, wikis, and preparing presentations and reports, including graphical content What You'll Need • A BS/BA degree with proven writing, copy-editing, and organizational skills • Five or more years of experience in technical writing, particularly in engineering-based environments • Proficiency in writing manuals, test plans, and procedures • Experience with MS Word, Excel, Adobe Acrobat, and PowerPoint • The ability to manage a diverse workload and function as a self-starter in a dynamic environment • Interim secret clearance or strong preference for active Secret Clearance (eventual TS level required) What's On Offer • The opportunity to work in a dynamic engineering environment with design modifications in flux • Exposure to digital tools like Model-Based System Engineering (MBSE) and Product Lifecycle Management (PLM) • Collaboration with interdisciplinary staff and external program partners • A role with a focus on producing critical documentation for both internal and external audiences Apply via Haystack today!

Develop and upgrade enterprise-wide network infrastructure and troubleshoot complex network issues for DoD organizations. | Requires 5+ years IT or cybersecurity experience, proficiency with networking hardware and virtualization, security clearance, and relevant certifications. | We're hiring on behalf of a Haystack partner! The Role • Develop and upgrade enterprise-wide network infrastructure for DoD organizations • Troubleshoot complex network issues • Analyze current infrastructure to increase security, reliability, and availability • Apply expertise in routing, switching, and network architecture • Optimize client operations and modernization with emerging network technology What You'll Need • 5+ years of experience in IT, cybersecurity, or enterprise networking • Experience with networking/routing practices and components (HPE Aruba, Cisco, Juniper, etc.) • Proficiency with virtualization software, Windows, Linux, and scripting (PowerShell, bash) • Ability to configure, administer, and maintain firewalls from various vendors • Experience configuring VPN gateways with virtual router and forwarding • Bachelor's degree in Science, Technology, Engineering, or Mathematics • Secret security clearance • Relevant certifications such as CISSP, Security+, CEH, CCNA, or CCIE What's On Offer • Opportunity to support national defense initiatives • Work on critical network systems for DoD clients • Access to professional development and tuition assistance Apply via Haystack today!

Maintain and enhance React-based enterprise business applications in a secure environment. | Requires TS/SCI clearance, 6+ years software development, React experience, and ability to work onsite in Washington D.C. | We're working with a leading technology consulting firm that specialises in supporting secure mission environments for government agencies. This organisation plays a critical role in sustaining, modernising, and enhancing enterprise business applications that underpin vital operations. The Role • Support the sustainment, modernization, and enhancement of enterprise business applications in a secure mission environment. • Maintain and improve a production collaboration and workflow application supporting critical business processes and information exchange. • Develop, test, and implement application enhancements, bug fixes, and usability improvements for React-based user interfaces. • Troubleshoot application issues, analyze root causes, and implement corrective actions to ensure operational stability. • Translate user feedback and business requirements into scalable, maintainable front-end solutions. • Integrate front-end components with backend services and APIs, applying modern development practices. What You'll Need • Active TS/SCI with Polygraph clearance is mandatory. • Bachelor's degree in a technical discipline and at least six years of software development experience, or ten years of experience without a degree. • Strong experience with JavaScript or CSS frameworks, particularly React, and the ability to pivot between frameworks. • Working understanding of SQL and/or NoSQL databases. • Ability to work core hours of 10:00 AM-2:00 PM, Monday through Friday, primarily on-site in the Washington D.C. metropolitan area. • Experience working in Agile development environments and with tools like GitLab is a plus. What's On Offer • Opportunity to support critical enterprise applications within secure mission environments. • Be part of a team that balances production support with new enhancement development. • Engage with modern front-end development practices and component-based design patterns. • Collaborative environment with engineers, testers, product stakeholders, and end-users. Apply via Haystack today!