Ant-Tech

Design and implement security controls, automation, and monitoring, lead security operations and incident response, and build AI-driven security tools. | 5+ years security engineering experience with proficiency in Python, TypeScript, or JavaScript and strong AI/LLM security automation skills. | Tasks Remote | US & Canada | UK & EU – EST Hours Join a fast-growing fintech and blockchain technology company building secure financial infrastructure for the next generation of on-chain finance. We are looking for a Senior Security Engineer to partner with the Head of Security and help build, operate, and scale the company’s security program. You’ll work at the intersection of capital, risk, technology, and blockchain, securing systems that support sophisticated financial activity and high-value digital assets. You’ll own security initiatives across product, infrastructure, and operations, designing controls, automation, monitoring, and detection capabilities for highly adversarial environments. What You’ll Do Threat model new product features and integrations and strengthen systems with effective security controls. Operate and improve the application security toolchain while keeping it high-signal for engineering teams. Own day-to-day security operations across EDR, SIEM, on-chain monitoring, identity, and cloud security. Triage security alerts, investigate incidents, resolve vulnerabilities, and continuously reduce security noise. Assess vulnerability and bug-bounty findings based on actual exposure and drive remediation through completion. Support incident response activities from initial investigation through resolution. Lead security tooling and projects from evaluation and vendor selection through company-wide implementation. Collaborate closely with engineering, infrastructure, product, and other teams. Automate repetitive security workflows using AI, including vulnerability management, AppSec, access reviews, SOC 2 and audit evidence collection, vendor due diligence, and recurring security reporting. Build reusable AI components, Claude skills, and security agents that can be adopted by engineering and other teams. Requirements 5+ years of hands-on security engineering experience across product/application security and security operations. Strong track record conducting technical security assessments of software and systems. Experience with system hardening, security policy analysis, and implementing effective security controls. An adversarial mindset with the ability to think like an attacker and challenge assumptions. Proficiency in Python, TypeScript, or JavaScript. Experience working with Claude Code, Codex, or similar AI development tools. Hands-on experience applying AI/LLMs to security automation and building reusable tools adopted by engineering teams. Experience owning security projects end-to-end, from vendor evaluation and selection through organization-wide rollout. Experience securing high-value or high-throughput transaction systems. Excellent communication skills with the ability to explain technical security risks clearly and drive findings to closure. Bonus Points Experience in crypto, blockchain, DeFi, or on-chain security. Experience securing financial infrastructure or transaction-heavy platforms. Benefits Remote-first working environment. Work from anywhere in the US & Canada. UK & EU candidates must be able to work EST time-zone hours. Regular company retreats and opportunities for in-person collaboration. 100% employer-paid medical, dental, and vision premiums for employees. $1,000 work-from-home stipend. Monthly reimbursement for home internet, phone, and cellular data. Unlimited vacation. 12 weeks of fully paid parental leave. Fertility benefits. Opportunity for incentive compensation. Equity participation. Compensation Base Salary: $180,000 – $210,000 USD Performance-based bonus Equity

Build responsive frontend and scalable backend services integrating AI features and own technical initiatives from design to deployment. | 5+ years software engineering experience with Python, JavaScript, TypeScript, cloud platforms, distributed systems, and AI/LLM technologies. | Remote - If based in NYC, will require office presence 2/3 days a week, for LATAM and European regions will be expected to work EST hours with a 5 hour overlap. Tasks 🔎 About the Role We are looking for a Senior Full Stack AI Engineer to build AI-native, customer-facing products for organizations adopting AI at scale. You will work closely with the Tech Lead, own features end-to-end, contribute to technical decisions, and help shape the next generation of enterprise AI products. 💼 Responsibilities Build responsive frontend applications using React and TypeScript. Develop scalable backend services and APIs using Python and Rust. Integrate applications with AWS or GCP infrastructure. Design and maintain databases, integrations, automated tests, and CI/CD pipelines. Develop AI features involving LLMs, RAG, embeddings, vector databases, and AI agents. Monitor and improve application reliability, performance, security, and cost efficiency. Take ownership of complex technical initiatives from design through production deployment. Requirements Requirements 5+ years of professional software engineering experience. Strong experience with Python and JavaScript/TypeScript. Strong full-stack engineering fundamentals. Experience building customer-facing products. Experience developing backend APIs and distributed systems. Experience with cloud platforms such as AWS, Azure, or GCP. Experience with SQL and NoSQL databases. Experience with Kubernetes and CI/CD. Practical experience implementing AI/LLM technologies is highly valued. Ability to work independently and take ownership of projects from design to production. ⭐ Ideal Candidate The ideal candidate combines strong full-stack engineering fundamentals with practical AI implementation experience. They are comfortable building customer-facing products, integrating modern LLM technologies, working with financial data, and taking ownership of complex technical initiatives from design through production deployment. Benefits Benefits: Paid Time Off - 21 vacation days + 7 sick days + 8 observed U.S. company holidays Health Coverage – 100% employer-paid options (medical, dental & vision) for you and your dependents FSA/HSA Options - depending on selected health insurance plan Wellness Programs - OneMedical, Teladoc, Talkspace, and EАР 401(k) - with a 100% company match on the first 6% contributed Career Growth - opportunities in a rapidly expanding, global technology company with personalized professional development Pre-tax Commuter Benefits Compensation & Equity - competitive package aligned with growth and merit

Design and build production-ready AI agents and scalable backend services including orchestration and deployment pipelines. | 4+ years software engineering with production AI agent experience and proficiency in TypeScript, JavaScript, Python, and modern LLMs. | Tasks 📍 Location: New York City (Hybrid) 💼 Employment Type: Full-time Build production AI systems that solve real-world problems. We're hiring an experienced Infrastructure / Backend Engineer to build scalable backend systems, AI agents, and developer infrastructure powering next-generation AI applications. This is an opportunity to work on cutting-edge AI products in a fast-paced engineering environment with high ownership and technical impact. What You'll Do Design and build production-ready AI agents for real-world automation. Develop scalable backend services and APIs. Build infrastructure for AI applications, including orchestration, observability, and deployment pipelines. Collaborate closely with engineering and product teams to rapidly deliver new features. Improve developer tooling and internal platforms. Evaluate and integrate the latest AI models into production systems. Requirements Must Have 4+ years of software engineering experience. Experience shipping production AI agents or AI-powered applications. Strong understanding of modern AI models such as GPT-4/4o, Claude, Gemini, or open-source LLMs. Strong TypeScript/JavaScript and Python skills. Experience building modern web applications and backend services. Solid understanding of AI application architecture and LLM integration. Excellent problem-solving and communication skills. Comfortable working in a fast-moving startup environment. Nice to Have Open-source contributions. Experience with AI frameworks such as LangGraph, LangChain, Vercel AI SDK, or similar. Experience with AWS, GCP, or Azure. UI/UX, product design, or technical writing experience. Benefits What You'll Get Competitive salary and equity. Opportunity to work on production AI products. High ownership and autonomy. Collaborative, engineering-first culture. Excellent career growth in one of the fastest-growing areas of software engineering. 📩 Interested? Send us your CV or LinkedIn profile to learn more about this opportunity. Full company details will be shared with shortlisted candidates during the recruitment process.