Software Engineer - AI Agents Platform

Nominal; Greater London; On-site; GBP 90,000 - 140,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Unlimited PTO

Free lunch, snacks, and coffee

Professional Development Stipend

Annual company retreat

Job summary

Nominal in Greater London is seeking a Software Engineer supporting agents to design and scale the Nominal MCP platform and its internal agent. You will architect the core platform and set technical direction for the team building on it.

You will ship agent tools, grow the Nominal MCP, integrate internal company tooling, and convert field patterns into scalable capabilities for customers. You will instrument outcomes and collaborate with customer engineers to understand real workflows.

Qualifications

• 4+ years as a strong backend or full-stack engineer.
• Hands-on experience shipping LLM features to real users: prompting, tool design, retrieval, and the debugging that comes after.
• Speed with good judgment: you ship small, measure, and iterate.
• Comfort with ambiguity and with owning a capability from idea to production.
• You build with modern AI coding agents and stay curious and open to better ways of working.

Responsibilities

• Build agent tools and workflows that ship to every customer, from turning test plans into automated checks to running investigations across tests.
• Grow the Nominal MCP so external agents can do more of the work our users do, safely and with the user's own permissions.
• Build the integrations our internal company agent needs to work across Nominal's own tools and teams.
• Turn the patterns forward-deployed engineers find in the field into capabilities every customer gets.
• Instrument what you ship, read the traces, and fix what the evals and users tell you.
• Work directly with engineers at customer programs to understand how the work is really done.

Skills

Backend engineering

Full-stack engineering

LLM features

Tool design

Retrieval

Tools

Claude Code

Cursor

Codex

Job description

Nominal in Greater London is seeking a Software Engineer supporting agents to design and scale the Nominal MCP platform and its internal agent. You will architect the core platform and set technical direction for the team building on it.

You will ship agent tools, grow the Nominal MCP, integrate internal company tooling, and convert field patterns into scalable capabilities for customers. You will instrument outcomes and collaborate with customer engineers to understand real workflows.