Senior Software Engineer, London

Location: Canary Wharf, Central London

Salary: £70,000-£75,000 plus Hybrid / Flexible Working, Company Bonus, Generous Pension and more.

We are working with a well-funded, mission-driven organisation in the renewable energy space looking to hire a Senior Software Engineer into a core engineering team. You’ll be working on complex, large-scale platforms supporting critical infrastructure at a national level. This is a high-impact engineering environment where strong technical input genuinely matters.

You’ll be responsible not just for building software, but for contributing to technical direction, design decisions, and engineering standards across the team.

• Build and scale high-performance, cloud-based applications
• Develop backend services using Python (Django)
• Work across TypeScript / JavaScript where needed
• Contribute to technical design, architecture, and engineering best practices
• Provide technical leadership, supporting and mentoring other engineers
• Improve system performance, scalability, and reliability
• Collaborate with Product, QA and DevOps to deliver features

• Strong experience with Python (Django)
• Experience with JavaScript / TypeScript
• Experience working in cloud environments (AWS, Azure or GCP)
• Strong understanding of APIs, microservices, and scalable systems
• Experience contributing to technical design or architecture decisions
• Ability to provide technical leadership and mentor others
• Experience working in modern engineering environments (CI/CD, Agile)

• Experience with React, Node.js, Terraform or Celery
• Strong database design and optimisation experience

If you’re a Senior Engineer looking for a role combining hands‑on development, technical ownership, and real‑world impact, this is worth a conversation. Hit apply today!