Software engineer, agents (UK)

The role

You will design, build, and scale next-generation AI agents that integrate with enterprise data and services. You will work on scalable agent-driven services, high-throughput APIs, and infrastructure for agent capabilities.

What you will do

• Design, implement, and maintain scalable, secure agent-driven services and systems.
• Develop and enhance robust infrastructure and high-throughput APIs.
• Integrate agent capabilities with backend services, data stores, vector databases, search/retrieval systems, and external APIs.
• Collaborate with product managers, AI researchers, data engineers, and UX teams.
• Ensure reliability, monitoring, and observability for all agent components.
• Contribute to architectural design decisions and participate in code reviews.

Required qualifications

• 3+ years of professional software engineering experience
• 3+ years of proficiency in Python in production environments
• Proficiency in native agentic coding using tools like Cursor, Claude Code, and other agentic coding platforms
• Experience building distributed systems, microservices, or complex backend APIs that support AI/agent workflows
• Expertise with systems that integrate AI models, agent frameworks, vector databases, and large context reasoning services
• Understanding of agent orchestration patterns, state management, and asynchronous workflows
• Experience with cloud platforms (AWS, GCP, Azure), containerization (Docker, Kubernetes), and operational engineering best practices
• Good grasp of performance optimization, testing frameworks, and CI/CD pipelines
• Excellent communication and collaboration skills

Nice to have

• Past work on AI agents that coordinate multi-step actions, reasoning, or autonomous decision-making loops
• Contributions to open-source agent toolkits or SDKs
• Experience with frontend technologies (React, TypeScript) for tooling around agent management interfaces

Benefits

• Generous PTO, plus company holidays
• Comprehensive medical and dental insurance
• Paid parental leave for all parents (16 weeks)
• Fertility and family planning support
• Competitive pension scheme and company contribution
• Annual wellness stipend for gym, massage/chiropractor, personal training, etc.
• Annual learning and development stipend
• Company-wide off-sites and team off-sites
• Competitive compensation and company stock options

About the company

WRITER is the AI platform built for the world’s most ambitious marketing and revenue teams. Founded in 2020, it is backed by investors including Insight Partners, Salesforce Ventures, Adobe Ventures, and others.