Contract Senior Software Engineer / Lead Developer

Contract Software Engineer / Lead Developer – Expert

The Role

We're looking for an exceptional Software Engineer / Back-End Developer – a true "super dev” – with proven Design Patterns expertise and a deep understanding of software engineering/development. This is a high-level contract role, suitable for someone operating at a Principal Engineer or Lead Engineer level.

You&'ll join a small, highly skilled team building a new platform driven by innovative algorithms, clever data structures, and design patterns-based architecture. Working closely with the Head of Architecture, you'll take abstract concepts and requirements, distil them, and deliver high-quality, elegant solutions.

This is a role for someone who thrives on independence, can work from a high-level brief, and produces results quickly and to the highest standards.

Location: Hybrid – Remote work available.  Must be UK-based.
Rate: circa &£680 per day (inside IR35)
Duration: 6 months initially
Start: ASAP September 2025

Key Responsibilities

• Lead the back-end development of a new platform.
• Apply advanced software engineering/ development and design patterns
• Translate abstract concepts into working, production-ready solutions.
• Employ Test-Driven Development (TDD) and SOLID principles.
• Build robust, scalable algorithms and efficient data structures.
• Collaborate with other engineers, mentoring and sharing knowledge.
• Produce maintainable, clean code based on the "less is more” principle.

Essential Skills && Experience

• Expert in TypeScript or a similar software development language, with strong back-end development experience.
• Extensive experience in applying well-known software design patterns.
• Proven ability to work independently with minimal guidance.
• Advanced algorithmic approach and abstract problem-solving capabilities.
• Solid understanding of TDD and SOLID principles.
• Minimum 5 years' experience in software development/software engineering
• Excellent technical communication skills.
• Able to take a concept from discussion to high-quality code delivery.

Desirable

• Degree in Computer Science, Software Engineering, or related discipline highly desirable
• Experience in high-performance or complex systems.
• Familiarity with algorithmic analysis and performance optimisation.

Work Arrangements

• Remote: or Hybrid your choice but you must be UK based..
• Inside IR35 contract.

If you are a high-calibre developer with the skills above and the ability to deliver complex back-end solutions at speed, we'd love to hear from you.

Services advertised are those of an Employment Business.