Senior Software Engineer - Python

Senior Software Engineer - Python | £60,000 - £72,000

We're working with a pioneering energy-tech innovator on this exciting opportunity. Founded nearly two decades ago, they are revolutionizing the utilities sector through smart automation and high-performance cloud-native platforms.

As a Senior Engineer, you will design and ship scalable Python services within a sophisticated AWS environment. This is a high-impact role where you’ll blend deep technical delivery with the mentorship of a talented, collaborative engineering squad.

The Role

• Lead the design and development of high-quality Python code to power next-generation, cloud-native utility platforms.
• Architect and optimize scalable microservices using AWS Lambda, DynamoDB, API Gateway, and S3.
• Act as a technical mentor and coach, fostering a culture of excellence while guiding peers through complex engineering challenges.
• Manage the full software development lifecycle (SDLC), from initial architectural solutioning to deployment and performance monitoring.
• Drive modern engineering practices by utilizing cutting-edge tools like GitHub CoPilot, Docker, and CircleCI for automated CI/CD pipelines.

What You'll Need

• Extensive commercial experience building Python-based services, specifically within a microservices-led architecture.
• Deep technical proficiency across the AWS stack, including serverless technologies and NoSQL databases like DynamoDB.
• Proven experience designing and maintaining secure APIs and large-scale backend systems for web and mobile applications.
• A collaborative mindset with a track record of mentoring junior engineers and contributing to a high-performing agile environment.
• Hands-on expertise with modern DevOps/Engineering tools including Docker, GitHub Actions, Grafana, and PyCharm.

What's On Offer

• Competitive salary up to £72,000 with an additional 15% discretionary bonus scheme.
• Comprehensive health care scheme covering dental, optical, and diagnostics, plus an EV car scheme.
• Vibrant culture with access to a free on-site gym, showers, and tickets to major UK arena gigs and shows.
• Strong commitment to growth with clear career progression paths and a paid volunteering day every year.

Apply via Haystack today!