Senior Full Stack Engineer

Overview

Lead technical efforts across multiple teams or subsystems as a Senior Full Stack Engineer, owning system architecture and development across the stack for security products built for offensive cyber capabilities (DoW) and healthcare programs (HHS).

What you'll do

• Proactively research, prototype, and introduce technologies and system designs for green-field products.
• Lead the design of new systems and major changes to existing ones: write design docs, evaluate alternatives, and document tradeoffs and decisions (e.g., ADRs).
• Act as primary IC for green-field products, ensuring long-term code maintainability, readability, and extensibility.
• Continuously evolve team processes, driving scalable improvements in delivery, quality, and collaboration.
• Design, develop, and maintain scalable and secure APIs, UIs, and integration services.
• Implement RESTful, RPC, and event-driven APIs/UIs for internal and external systems.
• Collaborate with product, data, and platform teams to ensure seamless system interoperability.
• Manage API lifecycle including versioning, authentication, monitoring, and performance optimization.
• Develop and maintain integration pipelines between SaaS systems, data sources, and third-party applications.
• Troubleshoot integration issues, conduct root cause analysis, and implement fixes.
• Support continuous improvement through automation, observability, and best practices.

What you'll need

• 5+ years of software development experience.
• Strong proficiency in TypeScript and modern JavaScript.
• Extensive experience with React and JavaScript web development frameworks.
• Experience with ORM frameworks and relational databases, including data modeling and provenance tracking patterns (Prisma, Drizzle, PostgreSQL).
• Experience building long-running, fault-tolerant workflows with durable execution engines (Inngest, Temporal, or similar).
• Hands-on experience integrating state-of-the-art LLMs into production systems, including agent design, tool use, and evaluation.
• Strong understanding of integration patterns and experience building external API integrations (pub/sub, webhook, ETL, etc.).
• Excellent debugging, analytical, and problem-solving skills.

Nice to have

• Next.js experience.
• Bachelor's degree in Computer Science, Software Engineering, or related field.

Details

• Location: Remote, US.
• Work environment: remote, work-from-home 100% of the time, with travel to client sites.
• Physical requirements: sitting and/or standing, remaining stationary 50% of the time; carrying/moving laptop as needed.
• Requires access to highly confidential information; background checks may be conducted.