Contract Software Engineer / Lead Developer - Expert

ACHE; Hull and East Yorkshire; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A technology company is seeking a Software Engineer / Back-End Developer to lead back-end development of a new platform. This contract role demands expertise in TypeScript and design patterns, with a focus on delivering high-quality solutions independently. Candidates should have a strong background in TDD and SOLID principles, along with at least 5 years in software engineering. The position offers hybrid arrangements, must be UK-based, and is inside IR35.

Qualifications

• Minimum 5 years' experience in software development/software engineering.
• Solid understanding of TDD and SOLID principles.
• Proven ability to translate concepts into production-ready solutions.

Responsibilities

• Lead the back-end development of a new platform.
• Employ Test-Driven Development (TDD) and SOLID principles.
• Collaborate with other engineers, mentoring and sharing knowledge.

Skills

Expert in TypeScript

Strong back-end development experience

Experience in software design patterns

Ability to work independently

TDD knowledge

Advanced problem-solving

Excellent communication skills

Education

Degree in Computer Science or related discipline

Job description

Overview

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.

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