Contract Python Developer (Commodities)

Role: Contract Python Developer

Domain: Oil, Gas and Energy

Day rate: 600 - 750/d (inside IR35)

Location: London (Hybrid 3 days per week)

Contract: 6 months (likely extension)

X4 Technology are working with a global Oil, Gas and Energy firm in London seeking an experienced Contract Python Developer for a high-impact engagement.

Youll be contributing to scalable, data-driven platforms and back-end systems in a complex and fast-moving environment, collaborating across teams to deliver cutting-edge solutions in the energy sector.

Responsibilities of the Contract Python Developer (Commodities)

• Lead the design, development and optimisation of robust Python-based applications and services
• Build scalable, secure APIs and data pipelines using modern frameworks and tools
• Work closely with DevOps and data teams to deploy and maintain microservices in cloud environments (e.g., AWS, Azure)
• Write clean, maintainable code with strong testing coverage using tools such as PyTest or unittest
• Collaborate with front-end engineers, architects, and product teams to integrate solutions across the stack
• Drive continuous improvement through code reviews, automation, and performance tuning
• Ensure best practices around security, scalability, and maintainability are applied throughout

Requirements for the Contract Python Developer (Commodities)

• 8+ years of software engineering experience, with 4-6 years of professional Python development
• Strong experience building RESTful APIs and working with frameworks such as Django, Flask, or FastAPI
• Familiarity with containerisation (Docker), CI/CD pipelines, and infrastructure-as-code tools
• Exposure to cloud platforms (preferably AWS or Azure) and data engineering workflows
• Proficiency in relational and non-relational databases (e.g. PostgreSQL, MongoDB)
• Experience working in Agile environments and version control systems like Git
• Prior experience in the Oil, Gas or Energy sectors is highly desirable

Next Steps

This is a fantastic opportunity to join a globally recognised Oil, Gas and Energy organisation and contribute to complex and meaningful systems at scale. Youll be part of a collaborative, high-performing team where technical excellence and innovation are key.

This role is inside IR35, offering a competitive 600750/day rate via umbrella company.

Interviews are being scheduled from 20th October please apply to this advert for immediate consideration.