via Lensa
$90K - 130K a year
Design, develop, and support enterprise-level full stack applications with emphasis on .NET, cloud, and database technologies.
10+ years experience in software design and development, expertise in .NET, cloud platforms, database engineering, and strong communication skills.
Senior Full Stack.NET (IT Developer) Cogent Data Solutions LLC is hiring a Senior Full Stack.NET (IT Developer) for a contract role supporting an enterprise IT engagement in San Francisco, CA. This position is part of a project awarded through an existing IT services agreement with our client. Note: This opportunity is offered solely through Cogent Data Solutions LLC, a consulting firm supporting multiple public sector IT initiatives. The end client is a government entity; however, this is not a direct hire or employment opportunity with any government agency. Minimum Job-Specific Skills/Qualifications Required (in order of relative importance): minimum of ten (10) years of hands-on experience in software design, development, and architecture, demonstrating mastery of all required software platforms. Equivalent years of directly related professional experience or advanced academic credentials may be substituted on a year-for-year basis. Demonstrated Experience In: • Collaboration & Communication: Work closely with business subject matter experts to define and document application strategies through interactive workshops and executive-level presentations. Translate complex technical concepts into clear, non-technical language. • Enterprise Application Architecture: Design and develop multi-tier, distributed web-based systems ensuring high availability and scalability. Experienced in VB.NET, .NET, C#, Angular, and the Microsoft 365 and Power Platform ecosystem. • Full Software Development Lifecycle (SDLC): Lead end-to-end application development, including requirements analysis, system design, coding, testing, deployment, post-production support, conversion, data reconciliation, user training, and documentation. • Server Platforms: Architect, install, configure, maintain, and upgrade Lucee/ColdFusion, WebLogic, Apache, and Tomcat servers for optimal performance and reliability. • Database Engineering: Design and optimize Oracle 19c databases, author efficient ANSI SQL and PL/SQL queries, create data structures, views, and stored procedures, and implement performance-tuning best practices. • Cloud Architecture & Modernization: Design, deploy, and optimize Microsoft Azure cloud architectures (IaaS, PaaS, serverless), create modernization roadmaps, and drive application refactoring, containerization, and adoption of cloud-native patterns. • Security & Compliance: Engineer secure payment gateway integrations using industry-standard encryption, tokenization, and PCI DSS controls. Configure and manage Azure Active Directory and identity solutions for centralized authentication and authorization. • Networking & Infrastructure: Apply deep knowledge of TCP/IP, VLANs, VPNs, and software-defined networking to architect secure, high-performance cloud networks. • Deployment, Migration & Automation: Execute deployment strategies and data migration plans to ensure seamless cutovers with minimal downtime. Administer and automate Linux environments leveraging shell scripting and configuration management tools for robust operations. • CI/CD & Development Tools: Implement CI/CD pipelines with Azure DevOps and GitHub Actions, automating builds, tests, and releases. Leverage open-source toolchains including IDEs, build systems, libraries, frameworks, and version control best practices for streamlined development workflows. • UX/UI & Reporting: Design web user experiences and interfaces, and produce reports and dashboards using Crystal Reports, Bi-Query, SQL Developer, and Power BI. • Design Patterns & Testing: Apply object-oriented design and architectural patterns and produce comprehensive system test plans and scripts. • Documentation: Create and maintain comprehensive technical specifications, architectural diagrams, and design artifacts. • Delivery Track Record: Consistently deliver products on time and within budget, achieving high user satisfaction and quality standards. Analytical Experience: • Requirements translation: Transform business, informational, and technical objectives into clear functional specifications and detailed architectural diagrams. • Solution evaluation: Analyze, compare, and recommend technical solutions, providing thorough cost-benefit assessments to guide decision-making. • Complex problem solving: Decompose intricate challenges into actionable steps and craft solution designs for web and cloud-based workflows. • Documentation: Develop and update comprehensive technical specifications and architectural design documents. • Development Tools • Version control: Expertise in Git, GitHub, and SVN, including cloning, branching, merging, resolving conflicts, submitting pull requests, and conducting code reviews following industry best practices. • IDE and editors: Skilled with Visual Studio, Visual Studio Code, Notepad++, Sublime Text, and GitHub Desktop for efficient coding and project management. • Platforms and testing: Proficient in Linux and Windows environments, with hands-on experience using Postman and Fiddler for API testing and debugging. • Automation and CI/CD: Implement automated workflows using Azure DevOps and GitHub Actions, and leverage shell scripting and configuration management tools to streamline environment setup and maintenance. • General Skills • Communication: Strong written and verbal communication skills, adept at conveying technical concepts to both technical and non-technical stakeholders. • Interpersonal: Demonstrated ability to build and sustain effective working relationships across teams and organizational boundaries. • Methodologies: Experienced in applying both traditional and agile project management methodologies to drive successful outcomes. • Office proficiency: Advanced user of Microsoft Word, Excel, PowerPoint, Forms, and Visio for documentation, reporting, and diagramming. Additional Skills/Qualifications Desired: • Web Application Development: Extensive experience designing, developing, and maintaining web applications using Lucee and Adobe ColdFusion (CFML), Java (Spring/Hibernate), modern JavaScript (ES6+), HTML5/CSS3, XML/XSD, JSON, and RESTful APIs. Skilled in writing custom tags, optimizing performance, implementing APIs, and ensuring compliance with accessibility protocols for large organizations. • Database Expertise: Proficient with both relational and cloud-native databases, including MS SQL Server, MySQL, MariaDB, AWS RDS, Azure SQL Database, Azure Cosmos DB, and Oracle Database Cloud Service (DBCS). • Cloud and DevOps: Experienced in designing, deploying, migrating, and managing applications in AWS and Azure, particularly in government cloud environments. Familiar with DevOps practices, including automation, monitoring, logging, alerts, and metrics. • API Design and Integration: Skilled in API design (including versioning and public APIs), third-party integrations, identity management for authentication and authorization, message exchanges, and service-oriented messaging. • Application Security: Knowledgeable in systems security and data encryption, identifying vulnerabilities such as outdated libraries or insecure calls, and implementing application security using Azure Active Directory. • Secure Remote Access & Scheduling: Experienced in designing secure remote-access architectures and optimizing scheduling processes to maximize efficiency and reduce manual overhead and errors. • Requirement-to-Code Delivery: Strong ability to translate functional requirements into technical designs and production code, bridging stakeholder needs with development solutions as both a Business Systems Analyst and Application Developer. • Testing & Quality Assurance: Proficient with open-source and automated testing tools, developing system test plans and scripts, and conducting usability testing to validate interaction design and identify issues. • Operational Analytics & Reporting: Skilled at enhancing data models and reporting capabilities (e.g., Daily Activity Log improvements) to deliver richer operational insights. • Accessibility & Digital Government: Proven track record in developing web accessibility compliance protocols and digital government strategies for enterprise-scale projects with public sector partners. • Solution Design & Analysis: Experienced in analyzing and developing solution designs for web and cloud-based processes and systems, partnering with California courts, state agencies, and other public-sector bodies.
This job posting was last updated on 6/2/2026