Java Engineer (Senior) ID35446

AgileEngine, LLC; United Kingdom; On-site; GBP 50,000 - 90,000; Full time

Job summary

An innovative company is seeking a skilled software engineer to design and implement multi-agent systems. In this dynamic role, you will work with cutting-edge AI-assisted development tools and collaborate in a fast-paced environment focused on real-world impact. If you're passionate about experimentation and continuous learning, this position offers the perfect opportunity to grow while contributing to award-winning software solutions that change lives across various industries. Join a top-ranked dev shop and be part of a team that encourages creativity and innovation.

Qualifications

• 5+ years of professional software engineering experience.
• Proficiency with Java, TypeScript, React, and MySQL.
• Experience with AI-assisted development tooling.

Responsibilities

• Design multi-agent systems with coding-focused agents.
• Evaluate and refine agents’ output and collaboration patterns.
• Write prompts and logic to guide agent behavior.

Skills

Software Engineering

Java

TypeScript

React

MySQL

AI-assisted Development Tooling

Upper-Intermediate English

Tools

Cursor

Windsurf

LLM APIs

Codegen Platforms

Vector Databases

LangChain

Job description

What you will do

• Design multi-agent systems with coding-focused agents (e.g., code writer, reviewer, tester, deployer);
• Write prompts, logic, and scaffolding to guide each agent’s behavior;
• Handle tool use, such as enabling agents to access the file system, test runners, version control, and internal APIs;
• Evaluate and refine agents’ output, performance, collaboration patterns, and feedback loops.

Must haves

• 5+ years of professional software engineering experience;
• Proficiency with at least part of our stack: Java, TypeScript + React, and MySQL;
• Extensive applied experience with AI-assisted development tooling—including Cursor, Windsurf, LLM APIs, codegen platforms, vector databases, agentic frameworks like LangChain, or custom-built systems;
• A strong product mindset and interest in building for real-world impact;
• A bias toward experimentation, iteration, and continuous learning;
• Comfort operating in ambiguity and helping define best practices in a rapidly evolving space;
• Upper-Intermediate English level.

AgileEngine is one of the Inc. 5000 fastest-growing companies in the US and a top-3 ranked dev shop according to Clutch. We create award-winning custom software solutions that help companies across 15+ industries change the lives of millions.

If you enjoy a challenging environment working with the best and are encouraged to learn and experiment every day, there’s no better place — guaranteed! :)