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Staff Backend Engineer (AI & Agentic Systems)
REMOTE · GEORGE TOWN · MY
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Full-time
STAFF
About the Role
Staff Backend Engineer role on WEX's North America Mobility Platform team, focused on architecting a next-generation Agentic AI Platform. You will design and deploy autonomous AI agents, MCP servers, and LLM-powered services for financial workflows, while building scalable backend systems in Java. The role includes driving technical design, mentoring engineers, and ensuring production reliability.
Responsibilities
- Design, develop, and maintain high-performance object-oriented backend services
- Develop public REST APIs and internal gRPC APIs
- Design and build agentic AI systems, AI agents, and multi-agent architectures
- Integrate AI agents with APIs and enterprise data using Model Context Protocol (MCP)
- Build and optimize LLM-powered services using OpenAI APIs and LangChain
- Implement evaluation frameworks, observability, and guardrails for AI systems
- Conduct code reviews, mentor engineers, and drive engineering best practices
Requirements
- Bachelor's degree in Computer Science or Software Engineering
- 8-10 years of professional software engineering experience
- Strong experience with Java and building scalable backend services
- Experience with distributed systems and production-grade LLM applications
Tech Stack
Python
Beaverton · US · 207+ employees
The Python Software Foundation (PSF) is a nonprofit corporation that serves as the steward for the Python programming language. It manages intellectual property rights, supports the Python community, distributes the software, and funds development through grants and conferences like PyCon.
