Java API Integration Engineer

OpenKyber LLC
United States
3 months ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
3 years minimum
Working hours
Regular working hours
Job source

Tech stack

Java (Programming Language) Application Programming Interfaces (APIs) Artificial Intelligence Amazon Web Services Microsoft Azure Cloud Computing Software Debugging Distributed Systems Fault Tolerance Python (Programming Language) Software Deployment Data Streaming
+8 more
Systems Integration TypeScript Google Cloud Large Language Models Multi-Agent Systems Backend Containerization Docker

Requirements

  • Backend/Systems Experience 3+ years building production backend or distributed systems (pre-AI experience required)
  • Production AI Systems Has shipped AI/LLM features serving real users at scale not just prototypes or demos
  • Agentic Systems Has built AI agents, skills, tools, or MCP (Model Context Protocol) integrations
  • Python Proficient for backend development
  • Secondary Language Working knowledge of Go, TypeScript, or Rust
  • Cloud Infrastructure Deep experience with AWS/Google Cloud Platform/Azure cost optimization, compute decisions, not just deployment
  • Container & Orchestration Hands-on with Docker and Kubernetes can build, deploy, debug, and scale services themselves
  • LLM Integration Understands token economics, context limits, rate limiting, structured outputs, API failure modes
  • LLM Evaluation Understands how to evaluate LLM outputs and the inherent challenges (non-determinism, quality measurement, regression detection)
  • Hands-On Engineer Not just an architect writes code, debugs production issues, deploys their own work

Preferred / Differentiators

  • Built multi-step agentic workflows with tool use and function calling
  • Experience with agent orchestration frameworks (LangGraph, CrewAI, or custom)
  • Built guardrails, fallbacks, or graceful degradation for AI systems
  • Streaming inference and async agent orchestration, * AI experience is mainly academic, research, or tutorial-based
  • No production systems experience (only notebooks/demos)
  • Looking for entry-level role with heavy mentorship
  • Background is primarily data science/analytics rather than engineering
  • “Architects” who don’t write or deploy code themselves

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