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Xelix Logo Xelix · IT - Software Development

Senior Python Backend Software Developer

United Kingdom, London 70000.00 - 95000.00 GBP / Year · Job Posted March 04, 2026
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Job Description

At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up – things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively. We have a team of 150 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun, and love to celebrate a milestone together. In this role you’ll grow, be challenged and help shape the future of Xelix. If you’re excited about building something special with us, we’d love to hear from you.

Job Responsibility

  • Implementing robust and scalable solutions in Python
  • Developing, using and designing REST APIs to efficiently deliver application components
  • Implementing performance improvement strategies
  • Ensuring the quality of code by writing comprehensive tests and participating in code reviews

Requirements

  • 4+ years of Python coding professional experience
  • Ability to learn and apply new technology quickly
  • Ability to effectively communicate complex technical concepts to team members and stakeholders
  • Familiarity with coding in Django and the Django Rest Framework, or Flask Web frameworks
  • Degree in Computer Science (or similar), at 2:1 or above
  • Amazon Web Services
  • SQL / PostgreSQL
  • Build pipeline and CI with GitHub, Jenkins, Docker, Terraform

What we offer

  • 27 days of annual leave (including 3 days Christmas closing) which increases up to 3 days based on tenure, with the option to roll over, buy or sell up to 3 days
  • Hybrid working with one day a week from our dog-friendly Hoxton office
  • On-site gym and cycle to work scheme
  • Employee discount at over 100 retailers
  • Comprehensive private medical & dental cover with Vitality
  • Enhanced parental leave pay
  • Learning & development culture – £1,000 personal annual budget
  • We’re carbon-neutral and are working towards ambitious carbon reduction goals
  • Lots of team socials & activities
  • Annual team retreat
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