Senior developer (python) Work, Jobs in London, Eng (with Salaries)

Senior Python Backend Software Developer
Xelix —London
- £70,000 - £95,000 a year
- Full-time
- Hybrid work
- Computer Science
- SQL
- AWS
- Annual leave
- Employee discount
Quick apply
Python Counterparty Credit Risk Senior Developer, Vice President
Citi —London
- Full-time
- DevOps
- English
- C++
- Annual leave
- Employee assistance programme
Senior Developer - Risk Technology - C# .NET, Python, Snowflake SQL (Vice President)
Jefferies & Company, Inc. —London
- Full-time
- Computer Science
- Engineering
- SQL
Junior Python Developer - Index Analytics and Technology
Legal & General Investment Management —London
- Python
- Employee discount
7d
Senior Python Developer
NCC Group —London
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
- Annual leave
Quick apply
Python Software Developer
Consilience Group —London
- £55,000 - £95,000 a year
- Full-time
- Computer Science
- English
- AWS
Senior Python Developer
TreasurySpring —London
- Full-time
- Hybrid work
- Java
- AWS
- C++
- Annual leave
- Employee assistance programme
Quick apply
Python Developer
Barclays —London
- Oracle
- SQL
- APIs
Senior Developer (Python)
Allwyn UK —Watford
- Azure
- Java
- AWS
- Annual leave
- Employee assistance programme
Senior Engineer- Platform Engineering
Janus Henderson —London
- Hybrid work
- Azure
- Management
- Computer Science
Senior Site Reliability Engineer - Python
Department for Business and Trade —London
- £63,824 - £83,778 a year
- Part-time
- Hybrid work
- Azure
- AWS
- Presentation skills
3d
Senior Backend Engineer - Developer Experience
Frontify AG —London
- Full-time
- Java
- APIs
- In-person
- Annual leave
SENIOR MANAGER QUANTITATIVE RISK DEVELOPER
BBVA —London
- Full-time
- Java
- Master's degree
- Analysis skills
20h
Senior Full Stack Developer - Downdetector Connect
Ookla —London
- £50,000 - £80,000 a year
- Full-time
- AWS
- Mentoring
- APIs
- Annual leave
- Gym membership
Quantitative Developer
Millennium Management —London
- Computer Science
- System design
- Master's degree
Counterparty Credit Risk Python Developer, AVP
Citi —London
- Full-time
- Computer Science
- English
- Master's degree
8d
Senior UI Software Engineer II
RELX —London
- Full-time
- Computer Science
- DevOps
- Engineering
- Employee assistance programme
- Employee discount
Senior kdb+ Developer
Barclays —London
- Oracle
- Java
- Scripting
Senior C++ Developer (with Market Data experience)
Luxoft —London
- £140,000 - £200,000 a year
- English
- C++
- Continuous improvement
Senior UI Software Engineer II
LexisNexis Risk Solutions —London
- Full-time
- Computer Science
- DevOps
- Engineering
- Employee assistance programme
- Employee discount

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Senior Python Backend Software Developer

Xelix
London

Quick apply

Job details

Full-time
£70,000 - £95,000 a year

Benefits

Cycle to work scheme
On-site gym
Annual leave
Employee discount

Qualifications

Computer Science
React
SQL
AWS
Docker
PostgreSQL
Terraform
Back-end development
REST
Django
GitHub
APIs
Flask
Jenkins
Python

Full job description

About us

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.

About the role

We're seeking Senior Python Developers to join our back-end development team.

This is a varied and challenging programming role. Tasks could include writing code to manage incoming data, working with AI Engineers to analyse huge data sets, or writing Restful APIs in Django to support the React front end.

Our ideal candidate takes pride in their work – producing clean, tested, beautiful code. Rather than give you a detailed set of requirements, we encourage engineers to take responsibility for solving the problem. There are many opportunities to innovate as you collaborate with stakeholders to design and implement new features.

You will be well supported to continue your professional development. This includes an annual conference allowance, a budget for books and a monthly session with your manager to identify and track your learning goals.

As Xelix continues to grow opportunities for you to develop your career becoming a Team Lead, Project Lead or Staff Engineer could be available to the right candidate.

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 the quality of code by writing comprehensive tests and participating in code reviews.

What you’ll bring

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 in return

Competitive salary of £70,000 - £95,000 depending on experience

️ 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

Want to learn more?

About us
Xelix blog
Xelix news
Xelix glassdoor

We believe that people from diverse backgrounds, with different identities and experiences make our company and product better. No matter your background, we'd love to hear from you! And if you have a disability, please let us know if there's any way we can make the interview process better for you - we're happy to accommodate!

If you're a recruiting agency - we have an existing list of agencies we work with and we are not currently planning on expanding the list. Neither the Talent team nor hiring managers or the Support team will respond to cold outreach.

This is a full-time position, with standard working hours from 9:00 AM to 6:00 PM, Monday through Friday.

Interview Process
While the exact process may vary slightly depending on the role, our typical interview stages are:

Introductory Call – A short Teams conversation with a Talent Partner to discuss your background and the opportunity.
Hiring Manager Interview – A 30–45 minute Teams meeting to explore your experience and fit for the team.
Technical Task or Presentation – A role-relevant exercise to demonstrate your skills and approach.
Final On-site Interview – An in-person meeting with our senior leadership team and co-founders at our office.

We strive to make the process clear, efficient, and respectful of your time.

Quick apply

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I want to receive the latest job alerts for senior developer (python) in london, eng

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