3 months ago
Remote, United KingdomSenior
Responsibilities
- Design, build, and own the agent platform’s orchestration layer and tool integrations.
- Build APIs, data access patterns, and service integrations that enable agents to execute operational workflows.
- Architect knowledge and memory infrastructure for data retrieval and cross-system action.
- Implement trust and safety capabilities including audit trails, human-in-the-loop controls, and guardrails.
- Contribute to agent evaluation and testing infrastructure for measuring accuracy, reliability, and regressions.
- Partner with Operations to identify automation opportunities and translate process knowledge into agent capabilities.
- Mentor other engineers as the team grows.
Requirements
- 5+ years of backend engineering experience building and operating production systems.
- Hands-on experience with LLMs and AI agents, including orchestration, RAG, tool or function calling, or similar.
- Strong API design and system integration skills.
- Product-minded approach with the ability to contribute to product decisions.
- Proven ownership of complex projects in ambiguous, early-stage environments.
- Strong backend engineering fundamentals and the ability to design, build, and operate production systems.
- Curiosity and motivation to develop practical expertise in AI, LLMs, and agent systems.
- Ability to work resourcefully in a fast-paced environment and balance quality with delivery speed.
Benefits
- Great benefits and wellness program offerings.
- Company retreats and opportunities to interact with and learn from startup community leaders.
- Hybrid work arrangement, as indicated by the posting.
- Inclusive workplace with reasonable accommodations available for candidates and employees.
Tech Stack
Apache KafkaAWSC#CircleCIDatadogDockerElasticsearchGitGoJavaJavaScriptKubernetesMySQLPythonRedisRuby on RailsTerraformVue.js
Categories
About Justworks
Justworks provides a PEO and SaaS platform for small and midsize businesses to run payroll, offer benefits, and manage HR and compliance. Products include access to health insurance and 401(k), payroll and contractor payments, onboarding tools, and reporting, sold via subscriptions and PEO service fees. Founded in 2012 and headquartered in New York City, the company is privately held and serves employers across the United States.