Backend Engineer (Python) - Energy Trading

About the role

An independent energy trading company in central Bristol, which trades electricity in short-term power markets, is looking for a Junior/Mid-Level Backend Software Engineer with Python and SQL experience. The technology team builds the software and tools that support traders and keep operations running. You will focus on backend systems for financial data processing, risk management, reporting and trade reconciliation, rather than front-office trading applications. The position is office-based five days a week in a newly refurbished central Bristol office.

Key responsibilities

• Design, develop and maintain backend applications using Python.
• Build data processing pipelines that turn financial and trade data into usable information.
• Write and optimise SQL queries to manage and analyse large datasets.
• Develop automated tools to spot discrepancies in financial records and risk calculations.
• Work with data engineers to improve data integration, storage and accessibility.
• Deploy backend services to AWS ECS using containerised technologies.
• Implement monitoring, logging and alerting to keep systems reliable.
• Support applications in production and resolve technical issues.
• Work with finance, risk and compliance teams to understand business needs and build technical solutions.

Required profile

• Open to junior and mid-level candidates; suitable for someone developing their backend career or taking the next step.
• Good problem-solving and analytical abilities.
• Interest in building reliable, well-structured software.
• Ability to communicate with both technical and non-technical stakeholders.

Required skills

• Proficiency in Python for backend development and data processing.
• Strong SQL skills and understanding of relational databases.
• Desirable: AWS (particularly ECS), Docker and containerised applications, Git, CI/CD pipelines (ideally GitHub Actions).
• Desirable: experience with financial data, reconciliation, risk or reporting systems.

What we offer

• Salary of £50,000-£55,000.
• Private healthcare, pension contributions and life insurance.
• Exposure to financial operations, risk management and compliance.
• Collaborative, supportive environment in a newly refurbished central Bristol office.