Python Backend Software Developer

Xelix; City Of London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A dynamic technology company in London is seeking a Mid-Senior Python Backend Developer to join their team. You will be responsible for implementing scalable solutions, developing REST APIs, and ensuring code quality in a fast-paced environment. The ideal candidate should have over 4 years of experience in Python and a degree in Computer Science. The role offers a competitive salary of £60,000 to £80,000 per year along with hybrid working and various employee benefits.

Benefits

27 days of annual leave

Hybrid working

On-site gym

Employee discounts

Private medical & dental cover

Learning & development budget

Team socials and activities

Qualifications

• 4+ years of professional Python coding experience.
• Ability to learn and apply new technology quickly.
• Effective communication of complex technical concepts to team members and stakeholders.

Responsibilities

• Implementing robust and scalable solutions in Python.
• Developing, using and designing REST APIs.
• Implementing performance improvement strategies.
• Ensuring code quality by writing tests and participating in code reviews.

Skills

Python coding

Communication of technical concepts

Adaptability to new technology

Education

Degree in Computer Science (2:1 or above)

Tools

Django

AWS

PostgreSQL

GitHub

Jenkins

Docker

Terraform

Job description

Python Backend Software Developer – Xelix

Join Xelix as a Mid‑Senior Python Backend Developer. Xelix automates financial controls for world‑class companies.

About Xelix

Xelix is a fast‑paced scale‑up with over 100 people, raised Series B in June 2025, building AI‑powered accounts payable solutions that move from manual processes to automated, intelligent workflows.

Base Pay Range

£60 000 – £80 000 per year (salary depends on experience).

What You’ll Be Doing

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

What You’ll Bring

• 4+ years of professional Python coding experience.
• Ability to learn and apply new technology quickly.
• Effective communication of complex technical concepts to team members and stakeholders.

Desirable

• Familiarity with Django and the Django Rest Framework.
• Degree in Computer Science (or similar) at 2:1 or above.
• Amazon Web Services expertise.
• SQL / PostgreSQL.
• Build pipeline and CI with GitHub, Jenkins, Docker, and Terraform.

What We Offer In Return

• Competitive salary £60 000 – £80 000 per year.
• 27 days of annual leave (including 3 days Christmas closing) with roll‑over and buy/sell options.
• Hybrid working: two days 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 budget £1 000 personal annual budget.
• Carbon‑neutral workplace with ambitious carbon reduction goals.
• Team socials, activities and annual retreat.

Diversity & Inclusion

Xelix believes that diverse backgrounds, identities and experiences make our company and product better. We welcome applicants from all backgrounds. If you have a disability, please let us know so we can accommodate you.

Interview Process

• Introductory Call – short Teams conversation with a Talent Partner.
• Hiring Manager Interview – 30–45 minute Teams meeting.
• Technical Task or Presentation – role‑relevant exercise.
• Final On‑site Interview – in‑person meeting with senior leadership and co‑founders.

Full‑time, Monday‑Friday, 9 AM – 6 PM.