senior python developer jobs in London

A leading Fintech company in London seeks a Software Engineer to join their technology team. This role involves designing scalable Python-based tools and enhancing internal platforms that support high availability and reliability. Required skills include expertise in Python, Linux systems, and observability tools like ELK Stack and Grafana. A Computer...

SENIOR PYTHON SOFTWARE ENGINEER - SC / DV CLEAREDNEW PERMANENT OPPORTUNITY AVAILABLESalary: Up to £100,000 baseLocation: LondonWorking Pattern: Hybrid - 2-4 days per week on-siteClearance: Active SC or DVType: PermanentI'm currently working with an organisation delivering innovative AI and software solutions within the UK Defence sector, who are looking for...

HKEX Group in London is seeking a Senior Engineer to design and implement complex software solutions in a fast-paced, regulated environment. You will liaise with analysts, owners, and architects to translate requirements into robust designs and code.Expect active participation in reviews, documentation, and deployment pipelines, with a focus on reliability...

Digis is a European company of 200 employees. The company was founded 9 years ago and has managed to grow from a startup into a reliable partner for our clients. We took the best from the product and outsourcing company. You collaborate directly with the client’s team, make business trips… Digis is looking for an experienced Python/Django engineer to...

Hastings Direct, a digital insurance provider in the UK, seeks a Senior Pricing Engineer to lead pricing implementations across Bexhill, Leicester and London in a hybrid setup. You will design and optimize pricing algorithms, collaborate with cross‑functional teams, and mentor pricing engineers to drive innovation and accuracy.The role emphasizes...

Senior Python Software Engineer - SC / DV CLEAREDNEW PERMANENT OPPORTUNITY AVAILABLESalary: Up to £100,000 baseLocation: LondonWorking Pattern: Hybrid - 2-4 days per week on-siteClearance: Active SC or DVType: PermanentI'm currently working with an organisation delivering innovative AI and software solutions within the UK Defence sector, who are looking for...

Salary: Up to £200k + bonus Summary Fantastic opportunity for a Python engineer with tech leadership experience to join one of the largest global HFT funds. Unique in their field, they combine the lively, positive spirit of a start-up with the stability of a longer-established player. Sitting centrally within the core development team and using a...

Cboe Europe is seeking a Senior Python Software Engineer in London to join a small, skilled development team building and expanding batch functionality for the largest equities exchange in Europe.You will design and build highly reliable Python systems, collaborate with cross-functional teams, and participate in R&D projects to identify new technologies....

Rullion Ltd is seeking a Senior Backend Python Engineer for a London-based, hybrid role. The contract is six months with potential extension, and carries a 37-hour work week.You will work on backend cloud applications using Python and AWS, adopting a serverless-first approach within an agile team. Responsibilities include designing, testing, and deploying...

A cutting-edge AI firm is seeking a talented backend engineer to develop the infrastructure for autonomous AI systems. You will work closely with founders to design data pipelines, architect backend services, and ensure optimal integration of various components. The ideal candidate has over 5 years of experience in production-grade Python development, strong...

Aristocrat Leisure in London is seeking a Senior Python Engineer – Automation to automate repetitive processes and advance our Reporting Center of Excellence standards. You will own end-to-end automation projects, review code, and mentor junior engineers while expanding our automation capabilities across business units.You will work hybrid in London,...

Design, develop, and maintain scalable and reliable software solutions, ensuring alignment with Principals and Architects.Collaborate with cross-functional teams, including Product, QA, and DevOps, to deliver high-quality features.Lead code reviews and technical discussions, and contribute to architectural decisions.Lead complex coding tasks; ensure code...

Signify Technology is seeking a Senior Python Developer in London with 5+ years of hands-on experience. You will design and optimise Python-based applications, write complex SQL, and work with Kafka for data streaming in a hybrid London role.You will collaborate with data engineers and analysts, ensure code quality, and participate in deployment and CI/CD...

Hunter Bond is seeking an experienced Python backend engineer in London to design, develop, and maintain production-grade software for sophisticated financial platforms. You will build scalable services, tackle concurrency challenges, and collaborate with engineers and financial specialists to deliver robust technical solutions.Ideal candidates have 4+ years...

Searchability NS&D in London is seeking a Senior Python / Data Engineer with SC clearance to join a hybrid team. You will design and build data platforms, pipelines and services for public sector clients, using Python, cloud platforms and modern software engineering practices.The role emphasizes working across the lifecycle, mentoring peers, and...

12 Months emagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions. Python Developer London/Bromley 12 Months emagine is a...

Agency: Critical MassJob Function: TechnologyJob Subfunction: Software DevelopmentJob Description: Tribal are looking for an experienced Snr Backend Developer to come and join the team in London. This person will be experienced in Java and will be working on a large well known automotive brand. Key responsibilities : • Working closely with the...

# Data Engineer (Python Enterprise Developer) at N Consulting LtdWork mode: Hybrid (with 4 days a week at London, Canary Wharf) Contract duration: Long term Location: London --------------------------------------- JOB DETAILS Role Title: Data Engineer (Python Enterprise Developer) Must have skills: -Python, Postgres SQL, Azure Databricks, AWS(S3),...

We are hiring Senior Snowflake Developer (dbt/Python/ETL/ELT -Credit Risk, Market Risk, Treasury, or Regulatory)Location: Hybrid 2-3 Days in London OfficeShould have Snowflake development experience in Banking or Financial Services, Snowflake (including CoCo & Streamlit), dbt (transformations & modelling), Python (automation/engineering), and SQL...

Join us and make a real impact in a high-energy front office role where your ideas shape the future of trading and investment strategies. You will collaborate with talented developers, quants, and traders, working on exciting projects that help clients implement their strategies. We value your expertise and offer opportunities for growth, learning, and...