Contract Software Engineer / Lead Developer - Expert

itecopeople; Barnsley; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A technology services company is looking for a Contract Software Engineer / Lead Developer based in the UK. The role involves leading back-end development for a new platform, requiring expertise in TypeScript and software design patterns. The ideal candidate has over 5 years of experience in software engineering and can work independently. This hybrid position offers a rate of circa £680 per day for an initial 6-month period.

Qualifications

• Expert in TypeScript or a similar language with strong back-end experience.
• Extensive application of software design patterns.
• Proven independence in work.

Responsibilities

• Lead back-end development of a new platform.
• Apply advanced software engineering and design patterns.
• Translate abstract concepts into production-ready solutions.

Skills

Expert in TypeScript or similar language

Experience in software design patterns

Independent working ability

Algorithmic problem-solving

Understanding of TDD and SOLID principles

5+ years software development experience

Technical communication skills

High-quality code delivery

Education

Degree in Computer Science or related

Job description

Overview

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