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# Senior Software Engineer

- **Company:** Mlabs Ltd
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Acceptance Test-Driven Development, Behavior-Driven Development, Continuous Integration, Pair Programming, Performance Tuning, Trunk-based Development, Test-Driven Development (TDD), System Availability, Technical Debt, Low Latency, Production Code, Extreme Programming, Code Restructuring
- **Published:** June 5, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/38306136/

## About the Role

Commercial Java Experience: A strong background writing clean, structured code in a professional, commercial setting utilizing Java.
Test-Driven Design (TDD): A foundational understanding of, or professional exposure to, Test-Driven Development pipelines.
Pair-Programming Alignment: A highly collaborative mindset with a strong desire to pair-program on a full-time basis.
Modern Paradigms: Exposure to or familiarity with Behavior-Driven Development (BDD) and Domain-Driven Design (DDD) methodologies.
Strong Communication: The capability to clearly articulate structural concepts, architectural opinions, and technical thought processes.
Adaptable Experience Profiles: The client maintains a highly open-minded approach toward academic backgrounds and domain histories. Prior practical engineering experience in a commercial environment is required, but candidate evaluation emphasizes core problem-solving ability, diversity of thought, and technical capability over specific degree credentials.

## Description

Core Platform Engineering: Build and scale highly resilient, adaptable fintech platforms and component services utilizing core Java.
Extreme Programming Collaboration: Engage in full-time pair programming to foster knowledge sharing, maintain zero technical silos, and optimize code quality.
Continuous Refactoring: Constantly analyze and refactor production code to elevate design frameworks, minimize technical debt, and preserve system agility.
Comprehensive Test Architecture: Author robust automated test suites, participating in a sophisticated continuous integration ecosystem where thousands of tests rapidly validate every single commit.
Process Automation: Identify, script, and automate repetitive tasks to optimize operational efficiency across the development lifecycle.
Trunk-Based Delivery: Operate within a mature trunk-based development and continuous integration setup, treating each code modification as an immediately releasable asset.
Cross-System Rotation: Shift periodically across teams to maintain comprehensive visibility into the entire codebase, driving an shared ownership mindset.
Performance Optimization: Account for throughput, high availability, and ultra-low latency constraints when delivering core features.


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