gem
Senior Engineer — Backend Platform & AI Systems
Vantaca
Wilmington, USA
Full-time
Senior · 3+ years experience
Hybrid
Discovered 1 weeks ago
TypeScriptPythonPostgresSQL ServerOAuthWebhooks
Free
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TypeScriptPythonPostgres
Key Skills for This Role
TypeScriptPythonPostgresSQL ServerOAuthWebhooks
Full Job Posting
- Build and operate the backend systems powering AI agents in production: tool execution, state management, orchestration, retries, idempotency, and rate limiting
- Design robust, agent friendly APIs as interfaces for internal and external consumers
- Model complex domain data — agent memory/state, workflow history, audit trails, permissions, multi-tenant isolation
- Implement high-quality integrations (OAuth, webhooks, sync engines, connectors) with strong observability and failure handling
- Define SLIs/SLOs, implement end-to-end tracing, build circuit breakers and cost guardrails for agent workloads
- Optimize throughput, latency, queue backlogs, caching, and storage as the platform scales
- Drive engineering standards: code quality, testing strategy, on-call hygiene, runbooks, and postmortems
- 3+ years of engineering experience building high-performant applications
- Deep fundamentals: distributed systems, concurrency, queuing/workers, caching, production operations
- Strong relational data modeling: Postgres or SQL Server, migrations, indexing, query optimization, correctness at scale
- API design discipline — clear, evolvable contracts across services and external partners
- Polyglot experience with TypeScript, Python, or equivalent cloud-native tooling
- LLM orchestration experience: prompting, tool calling, evals, latency/cost tradeoffs
- Agent architecture familiarity: orchestration patterns, planning/execution loops, memory/state, sandboxed tool execution
- Experience with message-based architectures or equivalent event-driven patterns
- You're energized by the business problems you're solving and you want to define, design, and own outcomes end-to-end
- You build in quality and ship fast without sacrificing reliability or security
- You hold a high bar for data integrity and correctness as the systems we build affect real communities at scale
- You love winning as a team
- Shoot for Impossible, Make it Happen — we set audacious goals, break them into executable steps, and don't flinch at hard problems
- Radical Candor, Humble Excellence — direct feedback, genuine care, no politics
- AI-accelerated velocity — we expect innovative use of AI development tools
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