1 day ago
London, United KingdomMid Level
Responsibilities
- Design, implement, and maintain scalable and secure agent-driven services and systems.
- Develop infrastructure and high-throughput APIs for agent memory, communication, skills, decision logic, security, and workflow management.
- Integrate agent capabilities with backend services, data stores, vector databases, search and retrieval systems, and external APIs.
- Collaborate with product managers, AI researchers, data engineers, and UX teams to deliver production-ready agent software.
- Ensure reliability, monitoring, observability, metrics, logging, CI/CD, and fault tolerance for agent components.
- Contribute to architecture decisions and rigorous code reviews.
- Build frontend tooling around agent-management interfaces using React and TypeScript.
- Contribute to open-source agent toolkits or SDKs.
Requirements
- 3+ years of professional software engineering experience and 3+ years of production Python experience.
- Daily experience with agentic coding tools such as Cursor and Claude Code.
- Experience building distributed systems, microservices, or complex backend APIs supporting AI or agent workflows.
- Expertise integrating AI models, agent frameworks such as LangGraph and Agent Harness, vector databases, and large-context reasoning services.
- Understanding of agent orchestration patterns, state management, and asynchronous workflows.
- Experience with AWS, GCP, or Azure; Docker and Kubernetes; and operational engineering practices.
- Knowledge of performance optimization, testing frameworks, and CI/CD pipelines.
- Experience building AI agents that coordinate multi-step actions, reasoning, or autonomous decision-making loops.
- Experience with React and TypeScript for agent-management interfaces.
- Strong communication and collaboration skills.
Benefits
- Generous paid time off and company holidays for UK full-time employees.
- Comprehensive medical and dental insurance.
- Paid parental leave for all parents for 16 weeks.
- Fertility and family planning support.
- Competitive pension scheme and company contribution.
- Annual wellness, learning and development, and work-life stipends.
- Company-wide and team off-sites.
- Company stock options.
Categories
About WRITER
WRITER builds an enterprise generative AI platform for creating, deploying, and supervising AI agents grounded in company data and powered by proprietary LLMs. It sells subscriptions and services to large organizations, with customers such as Accenture, Marriott, Uber, Mars, and Vanguard. Founded in 2020 and headquartered in San Francisco, the privately held company raised a Series C in 2024.