Full Stack Engineer in United State

Job Title: Full Stack Software Engineer

Location: San Francisco, California, United States (4–5 days/week, Wednesday optional)

Salary: $150K–$200K + Equity: 0.1%–0.2%

Work Authorization: Visa sponsorship: H-1B transfers and O-1 applications welcome

About us:

This role is being managed by Talent Stack LLC, a woman-owned recruiting firm specializing in cleared and technical placements. We are proud to represent a confidential, defense-focused client committed to solving meaningful, mission-critical challenges that support national security.

About the company:

Our client is an early-stage AI company on a mission to transform how people work by building intelligent systems that can collaborate with humans across modern communication channels. Headquartered in San Francisco and led by a proven founder with deep AI expertise, the team is small, fast-moving, and highly ambitious.

The Role:

We are hiring Full-Stack Software Engineers with a deep backend focus (~70%) to help scale the company’s core AI platform. You’ll join a high-caliber team working in-person from the San Francisco office, collaborating directly with leadership to architect distributed systems and ship product features end-to-end.

This is an in-person role in San Francisco (4–5 days/week, Wednesday optional).

We’re hiring Full-Stack Software Engineers with a deep backend focus (~70%) to help scale the companies core AI platform. You’ll work directly with our founder and product team to build distributed systems, launch features end-to-end, and shape the future of AI agents.

This is an in-person role in San Francisco (4–5 days/week, Wednesday optional).

What You’ll Do

• Design, build, and ship backend-leaning full-stack features using Node.js, TypeScript, React, GraphQL, GCP, and Kubernetes
• Architect and scale distributed systems (microservices, queues, caching, observability)
• Debug and optimize complex systems for resilience and performance
• Own features end-to-end: requirements, code, testing, deployment, and monitoring
• Collaborate closely with product, design, and leadership in a high-ownership environment
• Contribute to AI/LLM integrations powering the companies intelligent agent platform

What We’re Looking For

• 3 - 8 years of profesional experience in full-stack engineering, with a strong backend lean (70% backend). Able to own features end-to-end.
• Production experience with Node.js, TypeScript, React, and GraphQL
• Experience designing or operating distributed systems, cloud infrastructure (GCP, Kubernetes), caching, and queues
• Proven ability to thrive in startup or scale-up environments with high ownership and urgency
• Strong communication skills — able to articulate complex technical trade-offs clearly
• SF Bay Area–based or willing to relocate; comfortable with on-site work culture

Nice to Have

• Redis, Kafka, Pub/Sub, gRPC, Terraform, or CI/CD experience
• Prior founding engineer or early-stage startup experience (0→1 product ownership)
• AI/LLM integration or ML pipeline experience

Compensation & Benefits

• Salary: $150K–$200K
• Equity: 0.1%–0.2%
• On-site culture in San Francisco (Wednesday optional remote)
• Visa sponsorship: H-1B transfers and O-1 applications welcome
• Work directly with ex-OpenAI leadership on cutting-edge AI systems
• Join a mission-driven, small team where your impact is immediate

Recruitment Agencies Disclaimer: This position is posted for direct applicants only. We kindly request that external recruiters, staffing agencies, or search firms refrain from submitting candidates. Unsolicited resumes will be treated as direct applications, and no agency fees will be honored.

Job Reference: P7