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Tech Stack
Tools & technologiesDistributed SystemsGoJavaPython
About the role
Key responsibilities & impact- Own and deliver the production AI harness (assistant-style features: agent loop, tools, guardrails, and evaluations) while driving developer automation and large-scale migration work.
- Take ownership of end-to-end systems and not prompt-only or notebook-only work.
Requirements
What you’ll need- Proven experience designing and owning end-to-end distributed systems, including APIs, data models, storage strategies, caching, queuing, and handling failure scenarios and scalability challenges.
- Strong foundation in computer science fundamentals such as data structures, concurrency, networking, and databases, with the ability to reason clearly about latency, throughput, and consistency trade-offs.
- Ability to write clean, testable, and maintainable code, with a focus on robust API design, backward compatibility, and operational excellence.
- Hands-on experience with at least two of the following languages: Python, Go, or Java, including the ability to read and modify code beyond your primary language when needed.
- Experience building and deploying production-grade agents using frameworks such as LangGraph, Claude Agent SDK, OpenAI Agents, or Pydantic-AI, including tool integrations, MCP servers (e.g., FastMCP), and multi-agent orchestration. Familiarity with Temporal, Pydantic, FastAPI, and related ecosystems is highly valued.
- Demonstrated experience developing evaluation frameworks, tracing mechanisms, and regression safeguards for LLM-based systems.
Benefits
Comp & perks- Sophos operates a remote-first working model, making remote work the primary option for most employees.
- Employee-led diversity and inclusion networks that build community and provide education and advocacy
- Annual charity and fundraising initiatives and volunteer days for employees to support local communities
- Global employee sustainability initiatives to reduce our environmental footprint
- Global fitness and trivia competitions to keep our bodies and minds sharp
- Global wellbeing days for employees to relax and recharge
- Monthly wellbeing webinars and training to support employee health and wellbeing
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
distributed systemsAPIsdata modelsstorage strategiescachingqueuingscalabilityPythonGoJava
Soft Skills
ownershipproblem-solvingcommunicationcollaborationattention to detail