
1001 - 5000 employees
Founded 2012
💼 Consulting
🏥 Healthcare
🛡️ Insurance
Consulting • Healthcare • Insurance
Justworks is a comprehensive HR platform that empowers small businesses by providing scalable solutions in HR management, payroll processing, and employee benefits. With a focus on simplifying administrative tasks, Justworks enables business owners to hire, manage, and grow their teams while ensuring compliance and offering human support for all HR needs.
🕒 August 5
🇬🇧 United Kingdom – Remote
💵 £132k - £170k / year
⏰ Full Time
🟠 Senior
🧑💻 Full-stack Engineer
👻 Ghost score 7%
AWS
Docker
ElasticSearch
Java
JavaScript
Kafka
Kubernetes
MySQL
Python
Redis
Ruby
Ruby on Rails
Terraform
Vue.js
Go
Where this job comes from
Posted on Justworks's careers page, not through a job board
First seen by Remote Rocketship August 5
Still open on Justworks's site. Checked 7 hours ago.

1001 - 5000 employees
Founded 2012
💼 Consulting
🏥 Healthcare
🛡️ Insurance
Consulting • Healthcare • Insurance
Justworks is a comprehensive HR platform that empowers small businesses by providing scalable solutions in HR management, payroll processing, and employee benefits. With a focus on simplifying administrative tasks, Justworks enables business owners to hire, manage, and grow their teams while ensuring compliance and offering human support for all HR needs.
• Design, build, and own core components of the agent platform, from the orchestration layer to tool integrations connecting it to internal systems • Build and evolve the capabilities layer, including APIs, data access patterns, and service integrations for agents to execute operational workflows • Architect knowledge and memory infrastructure so agents can retrieve data and act across systems • Design and implement trust and safety frameworks, including audit trails, human-in-the-loop controls, and guardrails • Contribute to agent evaluation and testing infrastructure measuring accuracy, reliability, and regression • Partner with Operations to understand workflows, identify automation opportunities, and translate process knowledge into agent capabilities • Mentor other engineers as the team grows • Take ownership of large segments of the technology stack and ship production-ready systems
• 5+ years of backend engineering experience building and operating production systems • Hands-on experience with LLMs and AI agents, including orchestration, RAG, tool/function calling, or similar • Strong API design and system integration skills • Product-minded approach, questioning requirements and contributing to product decisions • Proven ownership of complex projects in ambiguous, early-stage environments • Strong backend engineering fundamentals and ability to design, build, and operate production systems • Curiosity and eagerness to develop expertise in AI and LLMs • Familiarity with technologies including Golang, Ruby on Rails, JavaScript, Java, C#, Python, VueJS, MySQL, Kafka, AWS, Git, Memcache, Redis, ElasticSearch, Docker, Terraform, Kubernetes, CircleCI, and DataDog
• Great benefits • Wellness program offerings • Company retreats • Ability to interact with and learn from leaders in the startup community • Equal opportunity employer • Reasonable accommodations for candidates with disabilities • Reasonable accommodations for employees based on sincerely held religious beliefs and other covered reasons
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