Mid-Level Full-Stack Software Engineer (Backend)
Remote
Job Summary
Decompose complex business problems into precise technical specifications to enable AI agents for code implementation. Develop domain services in TypeScript and Node.js, including case lifecycle state machines and pricing engines, while leading business-rule archaeology to extract logic from legacy Java and PL/SQL packages. Ensure financial-grade correctness by building append-only audit trails and segregation-of-duties enforcement for federal audits. Deliver vertical slices across the full stack, from React UI components to AWS CDK infrastructure, and maintain an always-green main branch through rigorous peer reviews and automated testing. Collaborate with stakeholders to provide an always-on beta environment for quick iterations. This role supports modernizing a mission-critical legacy system managing billions in international security cooperation using an Agentic AI Software Development Lifecycle.
Required Qualifications
- U.S. Citizen
- Eligible for a U.S. SECRET clearance
- 3+ years of experience building and operating production web systems
- Hands-on experience using Agentic AI development tools (e.g., Claude Code, Codex, or equivalent) on professional codebases
- Professional proficiency in TypeScript
- Professional proficiency in Node.js
- Professional proficiency in PostgreSQL
- Demonstrated ability to work across the full ecosystem, including cloud infrastructure (AWS), CI/CD pipelines, and security fundamentals
- Proven experience with modern ORMs like Prisma
- Building/maintaining REST APIs
Desired Qualifications
- Ability to read and interpret legacy PL/SQL and Java code for logic extraction
- Experience building financial calculation engines or audit-sensitive systems
- Familiarity with Temporal workflows or complex state machine management
- Prior experience working in regulated or government environments (FedRAMP, RMF, IL-4/5)
- Experience with Oracle-to-Postgres migrations
- Experience with AWS GovCloud
- Container orchestration via EKS or ECS
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