Senior Java Engineer (AI)

TL;DR

Senior Java Engineer (AI): Building and optimizing high-impact legacy services using cutting-edge AI tooling with an accent on AI-first development practices and accelerated delivery. Focus on implementing Model Context Protocol (MCP) servers, creating AI-assisted CI/CD pipelines, and demonstrating measurable productivity improvements through AI integration.

Location: Hybrid, 3 days in office in London, United Kingdom

Company

hirify.global is an FTSE250 FinTech company running mobile, web, and desktop platforms that help clients trade stocks, shares, leveraged products, Futures & Options, and Crypto globally.

What you will do

• Modernise high-impact legacy services using AI to analyse codebases, understand dependencies, and extract clean APIs.
• Implement strangler fig patterns and other migration approaches to deliver modernised services with comprehensive tests and documentation.
• Ship modernised services in fast cycles, using AI to accelerate analysis, refactoring, testing, and documentation.
• Build AI-powered development infrastructure, including Model Context Protocol (MCP) servers and AI-assisted CI/CD pipelines.
• Develop automation using Claude Code, GitHub Copilot, and LLM APIs, creating reusable AI tooling.
• Demonstrate AI-first development by using AI for all coding tasks and achieving measurable productivity improvements.

Requirements

• 8+ years of software engineering experience with Java backend expertise.
• Experience modernising production systems at scale.
• Strong API design and microservices architecture knowledge, including strangler fig patterns and legacy migration strategies.
• Hands-on experience building with Model Context Protocol (MCP) and using AI development tools like Claude Code or GitHub Copilot in production work.
• Experience implementing AI in CI/CD pipelines (code review, testing, security scanning).
• Proven track record of shipping production systems built with AI assistance and achieving measurable productivity improvements using AI.
• English: B2+ required.
• Must be able to work 3 days a week from the London office.

Culture & Benefits

• Hybrid working model with 3 days in the office to balance collaboration and connection.
• Tailored development programs, mentoring opportunities, and clear career progression pathways.
• Competitive salary and a flexible benefits package (12% of salary).
• Private medical cover for you and your family, life insurance, and contribution to gym memberships.
• 25 days holiday, plus an additional day for your Birthday and 2 days for voluntary work (28 total), with the option to buy or sell holiday days.
• Unlimited access to the LinkedIn Learning Platform and comprehensive global and local onboarding.
• Employee-led diversity networks and enhanced primary, secondary, and shared parental pay and leave.