Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and new advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries.
Job Description
We are looking for a Backend Senior Software Engineer to help design, build, and operate backend systems. Reporting into our Engineering Director, you will work on production software used by customers and partners, and your work will have an impact on the reliability, usability, and evolution of our platform.
Responsibilities:
- You will own the full Software Development Lifecycle, from understanding requirements and contributing to design decisions through to implementation, testing, deployment, monitoring, and production support.
- Design, build, and operate backend services, including APIs, integrations, reporting, and data-focused systems.
- Collaborate closely with Engineers, Product, and Data Scientists to shape solutions and support data-driven product capabilities.
- Manage systems in production, including monitoring, debugging, and continuous improvement.
- Deliver changes frequently and safely, balancing speed with high quality and reliability.
- Communicate technical decisions and trade-offs clearly to both technical and non-technical stakeholders
Qualifications
- Solid backend experience using Python in production and experience building and running backend systems end to end.
- Experience building and operating systems on AWS.
- Experience practising Test Driven Development (TDD) and a strong appreciation for automated testing.
- Experience with pair programming or other collaborative development practices.
- The ability to explain technical concepts and trade-offs clearly to different audiences.
Additional Information
Benefits include
- Hybrid-based role 40% office base
- Great compensation package and discretionary bonus plan
- Core benefits include pension, BUPA healthcare and more
- 25 days annual leave plus bank holidays
Our uniqueness is that we celebrate yours. Experian's people first, inclusive and purpose driven culture is multi award-winning; World's Best Workplaces™ 2025 (Fortune Global Top 25), Great Place To Work™ in 26 countries to name a few. Check out Experian Life on social or explore our Careers Site to understand why. Experian is also proud to be an Equal Opportunity and Affirmative Action employer. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.
Experian Careers - Creating a better tomorrow together
Experian Careers - Creating a better tomorrow together
- £64k - £83k per annumEstimated...What we do. Electric Car Leasing Why we do it. Greener. Fairer. Future. We’re looking for a Senior Software Engineer (Python) to join our product and engineering team building the systems that power our ability to revolutionise the electric car leasing industry...SeniorSoftwareFull-time
£500 per day
Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning...SeniorSoftwareDaily payPermanentRemote- ...About the Role We're looking for a Senior Backend Engineer to join our Portfolio Team and help... ...develop and maintain backend services in Python 3.11 using Django / DRF Build features... ...~ Strong Python skills and solid software engineering fundamentals ~ A good understanding...SeniorSoftwareRemoteFlexible hours
£150k - £180k per annum
...Senior Software Engineer, Quant trading – Python, RUST, C++ London (Hybrid) £150,000-180,000 + £50k bonus Quant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading player in the global cryptoassets industry...SeniorSoftwareHybrid working£500 per day
Senior Software Engineer with Python and Java Our Client is looking to recruit brilliant Software Engineer with upwards of 5 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We?re looking to...SeniorSoftwareDaily payPermanentRemote- ...world-leading investors including Sequoia Capital, ICONIQ, and Ribbit. The Role We are looking for an exceptional Software Engineer (Python) to help build the AI platform that powers intelligent workflows for the world’s top financial firms. In this role, you will...SeniorSoftwareFull-time
- £46k - £62k per annumEstimated...What we do. Electric Car Leasing Why we do it. Greener. Fairer. Future. We’re looking for a Senior Software Engineer (Python) to join our product and engineering team building the systems that power our ability to revolutionise the electric car leasing industry....SeniorSoftwareLong-term contractFull-time
- £65k - £84k per annumEstimated...financial patterns, and consistently and reliably deliver value. We’re open to the level you’re applying on, if you don’t feel like a Senior Engineer yet, but you tick all the boxes, we’ll definitely consider your application. Our project is establishing itself as the leading...SeniorSoftwareFull-time
- £73k - £101k per annumEstimated...and trading. We're hiring Machine Learning Engineers across our core ML engineering and horse... ...the high-level architecture of our strategy software so it scales effectively and keeps trading latency low. We operate a hybrid Python/C++ engineering stack. A large portion of our...SeniorSoftwareLong-term contractHybrid workingOn-siteMonday to FridayFlexible hours1 day/week
- £85k - £110k per annumEstimated...exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the... ...Proficient in coding in one or more languages- Python Experience in developing, debugging, and...SeniorSoftwareLong-term contract
- £66k - £90k per annumEstimated...level you’re applying on, if you don’t feel like a Senior Engineer yet, but you tick all the boxes, we’ll definitely... ...to learn and grow with the company. ~3+ years software experience, preferably with Django or similar Python frameworks ~ Experience with monitoring and...SeniorSoftwareFull-time
£100k - £150k per annum
...Senior Software Engineer (Python / TypeScript / Azure) London, UK (On-site) | £100,000-£150,000 + pre-IPO stock options Build the software behind some of the world’s most advanced radar systems. CHAOS Industries is a defense tech company founded in 2022 that has raised...SeniorSoftwareRelocation packageOn-site- £88k - £112k per annumEstimated...across London and San Francisco, building the software behind some of the world’s most advanced... ...software, hardware, and systems engineers, and the teams who take these systems into... ...Backend Services - develop high-performance Python services that ingest, process, and distribute...SeniorSoftwareLong-term contractRelocation packageOn-site
- £68k - £92k per annumEstimated...Lyst are looking for software engineers with experience using Python to build a checkout architecture which allows you to order from multiple retailers using a simple API. Lyst is a technology platform that revolutionises the way people shop for fashion. We connect millions...SeniorSoftwareFull-time
- £38k - £50k per annumEstimated...range of services from product design and engineering, digital strategy, data services &... ...This role supports the full life cycle of software development, and includes the opportunity... ...deliveries. You must have experience with Python and AWS. Key Activities: System development...SeniorSoftwareFull-timeHybrid workingFlexible hours
- Senior Python Developer Our Client is looking to recruit a seasoned Senior Python Software Developer with at least 5 to - 8 years experience of developing software in Python .... ...to learn it You collaborate with other engineers and people in the organization to improve...SeniorSoftwareDaily pay
£160k - £250k per annum
...Senior Front Office Python Developer Highly experienced Python Engineer for portfolio manager – Tech Driven Fund £160,000-250,000 + bonus Office based in St James,... ...key role in building and engineering the Firm’s software infrastructure to support new and existing lines...SeniorSoftwareOn-site- £81k - £107k per annumEstimated...people. The Role: Our group is responsible for building software enabling both the large-scale quantitative research operations that... ...: A minimum of 7 years of writing production-quality code in Python on Linux platform Candidate must be willing to learn C++....SeniorSoftware
- £57k - £74k per annumEstimatedWe are looking for a senior Python developer to join our client's team and lead the build of a... ...contribute to continuous improvement of engineering standards and tooling... ...At least 8 years of professional software development experience, including long-term...SeniorSoftwareLong-term contract
- £88k - £118k per annumEstimated...Senior Python Data Engineer – Investment Management Contract 6 Months Min Outside IR35 £1000 PD Remote occasional monthly office meet... ...fund / wealth management / prop trading ~ Experience in software development within the enterprise space. ~ An Understanding...SeniorSoftwareOn-siteRemote
- £55k - £74k per annumEstimated...LVMH, Michael Kors and Oscar de la Renta. Lyst are hiring senior software engineers to build well engineered, innovative and long lasting solutions... ...real products for millions of users, predominantly in a Python based stack. Deploys 10 times a day, makes nearly 20 thousands...SeniorSoftwareFull-timeNight shift
- £58k - £78k per annumEstimated...Streaming Data team, part of our Data Platform Engineering organisation at the heart of a... ...-edge discretionary research. As a Senior Python Engineer, you’ll help architect our multi... ...~5+ years of professional experience in software engineering with Java or Python as your...SeniorSoftwareLong-term contractFlexible hours
- £96k - £125k per annumEstimated...Investment Bank, Electronic Trading Technology. As a Lead Software Engineer at JPMorgan Chase within Commercial & Investment Bank, Electronic... .... We seek candidates with strong expertise in any of Python/KDB/C++, and who can leverage their knowledge of AI to drive innovation...SeniorSoftwareLong-term contract
- £72k - £99k per annumEstimated...talk to you! We are growing and seeking a Senior Research Scientist with experience in building... ...proficient with collaborative versioning software (i.e., git/GitHub). You are an expert in... ...and Competencies: Experience with Python, C++ or other programming languages Experience...SeniorSoftwareVisa sponsorshipRemote
- £64k - £82k per annumEstimated...of business-critical banking applications. Forward Deployed Engineers will conduct targeted, hands-on engagements with development... ...achieving a safe and rapid release cadence. The role combines senior software engineering, DevOps, SRE, test automation, application...SeniorSoftware
- £78k - £102k per annumEstimated...sustainable world. About the role As a Senior Machine Learning Engineer, we’ll look to you to lead... ...deploy scalable, production-grade ML software and infrastructure that meets rigorous... ...expertise in software engineering and strong Python skills, focusing on building robust,...SeniorSoftwarePart-time
£580 - £630 per day
Company: ADVANCED RESOURCE MANAGERS LTD Job Type: Daily Salary: £580 - £630 per day + Inside IR35 (Negotiable rate)Senior£50k per annum
Senior Accountant | Accountancy Practice Salary: £40,000 – £50,000 | Full-time | Hybrid Working Are you an experienced Senior Accountant... ...and working practices. Making effective use of accounting software and technology to improve efficiency. The Ideal Candidate...SeniorSoftwarePermanentFull-timeHybrid working- £88k - £120k per annumEstimated...connectors, agencies, and independent experts who build with Lovable every day. Why Lovable? For decades, the ability to build software belonged to a tiny fraction of the population: the people with the credentials, the technical training, the access. Everyone else had...SeniorSoftwareImmediate start
£90k - £120k per annum
...Applications Senior Manager Location: London (hybrid working) The Role The Senior Manager for Applications (many Legal) will... ...requests and appropriate prioritisation of capacity. Ensuring all software utilised by the applications team has appropriate governance...SeniorSoftwarePermanentHybrid working
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer - Python. Be the first to apply!
- backend developer python and django London
- senior python engineer London
- python developer London
- senior full stack python developer London
- python developer electronic trading London
- python developer financial trading London
- junior python engineer London
- python developer contract London
- part time python developer London
- python developer data hedge fund London
