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. 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 backend development language, with strong back-end development experience.
* Extensive experience 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—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.
Seniority level
* Mid-Senior level
Employment type
* Contract
Job function
* Other
Industries
* IT Services and IT Consulting
Note: This listing includes location and job details as described by the posting and does not imply current availability.
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