Senior Backend Engineer

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/ £500 - £580 day

INFO

Salary

RATE:

£500 - £580

Location

LOCATION

Job Type
JOB TYPE

Contract

Senior Backend Engineer Contractor
£594 per day | Remote | Outside IR35 | 8-Months

This is an exciting opportunity to join a technology-driven business on a key contract assignment, taking ownership of a business-critical commercial data platform. You'll combine hands-on backend engineering with technical leadership, helping shape platform architecture, improve system reliability, and drive the adoption of emerging AI capabilities.

The Company
They are a well-established digital business operating at scale, leveraging technology, data, and automation to support commercial growth across multiple markets. With a strong focus on innovation, they invest heavily in modern engineering practices and integrated systems that enable business performance. You will join a collaborative environment where engineering plays a central role in delivering strategic outcomes and operational excellence.

The Role and Deliverables
  • Own the ongoing maintenance, enhancement, and technical direction of a core commercial data platform.
  • Design, build, and deliver new backend features using Node.js, TypeScript, and modern integration patterns.
  • Lead technical discussions with engineering, product, and commercial stakeholders to define requirements and solution designs.
  • Drive architecture decisions, identify dependencies, and improve platform scalability, reliability, and performance.
  • Manage and enhance HubSpot integrations and broader CRM-related workflows across the business.
  • Support the implementation of Agentic AI capabilities and mentor engineers within the wider team.
Your Skills & Experience
  • Strong commercial experience developing backend applications with Node.js, TypeScript, and JavaScript.
  • Proven capability designing scalable systems, integrations, and backend architectures.
  • Experience working with HubSpot integrations or a strong understanding of the HubSpot platform and ecosystem.
  • Knowledge of CRM platforms, commercial systems, and complex data workflows.
  • Practical experience implementing or supporting Agentic AI solutions within production environments.
  • Strong stakeholder management skills, with the ability to communicate effectively with both technical and non-technical audiences.
  • Demonstrated ownership of technical initiatives from design through delivery.
  • Experience mentoring engineers and contributing to high-performing engineering teams.
  • Familiarity with API integrations, GitHub, and CI/CD tooling such as GitHub Actions.
  • Exposure to event-driven architectures, Kafka, DevOps practices, or marketing technology platforms would be beneficial.
  • Experience within affiliate marketing, gaming, gambling, MarTech, customer data platforms, or CRM-led organisations is advantageous.
How to Apply
If you are a Senior Backend Engineer with strong Node.js expertise, HubSpot integration experience, and an interest in Agentic AI, please apply to discuss this contract opportunity in more detail.















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