Lead Back-End Software Developer

Lead Backend Software Developer (Contract)
London,

Outside IR35

£500-£600 per day

This is an exciting opportunity to join a fast-moving engineering function at a pivotal moment of technical uplift. They are investing heavily in strengthening their core platforms and commercial data systems, creating a strong mandate for senior engineers to step in, lead, and make an immediate impact.

The Company
They are a growing digital gaming organisation operating across multiple markets, currently modernising their backend ecosystem. With distributed teams across the UK and Europe, they are building scalable platforms that support a variety of customer-facing and internal products. Engineering quality, strong technical leadership, and delivery excellence are central to their transformation. Contractors join at a time when technical ownership is expanding in-house, creating real scope to shape systems and standards.

The Role and Deliverables:
* Lead backend development across a complex CMS and core data systems.
* Own key architectural decisions and unblock teams through strong technical leadership.
* Enhance the NextGen CMS, working on logic driven functionality and system evolution.
* Expand and support the Master Data platform that underpins wider services.
* Mentor engineers and drive engineering best practice across the backend team.
* Accelerate delivery by improving patterns, processes, and overall code quality.

The Role and Deliverables:
* Lead development within the Commercial Data Manager, delivering new functionality and scaling existing services.
* Take full ownership of the HubSpot ecosystem, replacing agency support and bringing it in-house.
* Implement new fields, features and data flows for commercial stakeholders.
* Maintain and evolve integrations across multiple services and data systems.
* Partner with architecture and engineering leadership on system design and improvements.
* (Nice to have) Drive smooth, reliable operation of CDM and HubSpot through clear technical ownership.

Your Skills and Experience
* Strong capability in Node.js, JavaScript and TypeScript within complex backend environments.
* Confident designing scalable systems and making architectural decisions.
* Effective collaborator with product, delivery and commercial teams.
* Experience working in integration-heavy or data-rich environments.
* Proven leadership mindset with the ability to mentor, influence and drive standards.
* Practical cloud experience, ideally AWS, with good awareness of DevOps concepts.

How to Apply
If you are a senior backend contractor ready to take technical ownership and deliver meaningful impact, please apply with your CV.