Data & Software Engineer (Contract) at Harnham - Data & Analytics Recruitment, London, £550-£590 per day

Data & Software Engineer

£550- £590 per day | Outside IR35 | Fully Remote | 6-Month Contract

A leading digital business operating within a highly data-driven online environment is seeking a Data & Software Engineer to support the development of critical commercial and operational data platforms.

This organisation processes large volumes of transactional, revenue, and user performance data, using these insights to drive key business decisions. As part of a growing engineering function, they are investing heavily in their data ecosystem and require an experienced contractor to support several high-priority initiatives.

Candidates from online gaming, iGaming, betting, gambling, esports, or other high-volume digital platforms are particularly encouraged to apply.

As a Data & Software Engineer, you 'll work across backend engineering, data processing, and systems integration, helping to enhance platforms that provide commercial visibility across the business.

You 'll be responsible for building and maintaining data-driven applications, integrating external partners, and streamlining data exchange across internal systems. Working closely with Data Engineering and Analytics teams, you 'll help ensure critical reporting and performance metrics remain accurate, scalable, and fit for business decision-making.

This is an opportunity to work in a genuinely impactful role where your solutions will be used directly by stakeholders to shape commercial strategy and operational performance.

• Develop and maintain backend services supporting commercial reporting and operational data products
• Process and manage large-scale commercial and revenue datasets
• Build integrations with external partners and third-party platforms
• Develop integrations between internal systems to improve data accessibility and efficiency
• Collaborate with Data Engineers and Analytics teams on reporting and insight generation
• Support initiatives focused on user and performance data
• Improve data quality, reliability, and scalability across critical business systems
• Deliver enhancements to existing data and reporting platforms

• Strong commercial experience with PHP
• Strong commercial experience with Python
• Excellent PostgreSQL skills
• Proven Backend Engineering background
• Experience building APIs and system integrations
• Experience working within complex, data-intensive environments
• Strong understanding of software engineering best practices

• Airflow
• Snowflake
• AWS
• Exposure to data warehousing and modern analytics platforms
• Experience supporting reporting, commercial analytics, or performance data solutions

We 're especially interested in individuals with experience in:

• Online Gaming
• iGaming
• Betting & Gambling
• Sportsbook
• Esports
• High-transaction E-commerce
• Digital Marketplace Platforms
• Subscription-Based Businesses

You 'll have experience managing complex requests, integrating multiple data sources, and working in environments where business-critical decisions depend on accurate, timely data.

• £550- £590 per day
• Outside IR35
• Fully Remote
• Initial 6-Month Contract
• Opportunity for extension
• High-impact role working with large-scale commercial and performance data

Interested? Apply now with your latest CV to discuss the opportunity in more detail.