Senior Backend Python Developer

Job Description

Insight Global is seeking a Senior Python Backend Engineer who can own the backend architecture end‑to‑end—from API design and security to deployment and long‑term operability. You will be expected to operate independently, make sound architectural decisions, and uphold extremely high standards for code quality, security, and system reliability.

• Design, build, and maintain secure, production‑grade Python backend systems.
• Own the API layer, including contract design, versioning, governance, and documentation.
• Build and enforce intentional endpoint exposure with strict access controls.
• Integrate and operate LLM‑powered workflows using leading model providers.
• Implement robust input validation, idempotency, and fault‑tolerant API patterns.
• Deploy and operate backend services in VPS environments with proper security hardening.
• Build and maintain CI/CD pipelines supporting automated deployment, recovery, and key rotation.
• Implement logging, monitoring, and alerting to support long‑term system stability.
• Clearly document system architecture, deployments, and operational procedures.

• Design modular, segmented architectures with clear boundaries and ownership.
• Build systems with fault isolation so failures do not cascade.
• Enforce strict separation of concerns across services and components.
• Implement graceful degradation—failures reduce features, not platform stability.
• Write readable, well‑documented code that can be safely maintained by other engineers.
• Avoid shortcuts entirely—if it isn’t done correctly, it isn’t done.

If your instinct under deadline pressure is to cut corners and “fix it later,” this role is not a fit.

• Python‑first backend architecture.
• Secure API‑driven platform design.
• Supabase (Auth, RLS, Postgres).
• LLM API integrations (OpenAI, Anthropic, Vertex AI / Gemini).
• Dockerized services deployed to VPS infrastructure.
• Enterprise‑grade security and operational requirements.

• Senior engineers who take pride in clean architecture and long‑term system integrity.
• People who value correctness, security, and stability over speed at any cost.
• Engineers who are comfortable owning critical systems without hand‑holding.
• Candidates who prefer autonomy, accountability, and technical depth.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances.

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• Expert‑level backend engineering experience with Python in production environments.
• Deep experience building secure, production‑grade APIs using FastAPI or Flask.
• Proven hands‑on experience with Supabase, including:
  • Authentication and authorization
  • Row Level Security (RLS)
  • SQL policy design
  • Postgres administration
  • Secure service role key handling
• Strong understanding of REST and Graph
  
  QL API design, including JWT/session handling and frontend‑backend communication patterns.
• Demonstrated expertise in API architecture and endpoint governance, including:
  • Stable, versioned API contracts
  • Explicit endpoint scoping and exposure control
  • Input validation and sanitization
  • Idempotent endpoint design
  • Least‑privilege access patterns
• Experience securely integrating third‑party APIs, including server‑side key storage, usage logging, and access control.
• Hands‑on experience integrating Python backends…