20 of 20 Permanent Senior Python Developer Jobs in London

Senior Python Developer/Software Engineer Cambridge to £80k Are you a senior backend Python Developer looking to work on technology at the forefront of AI and cyber security? You could be progressing your career at one of the world's leading cyber security … technology companies, where you'll help develop next generation software that protects organisations from increasingly sophisticated AI driven cyber threats. As a Senior Python Developer within the R&D team, you'll play a key role in the development of a Greenfield platform designed to defend against ...

looking for a Senior Python Developer to join one of our public sector clients. Salary: up to (£95k per annum total package) Location: UK, remote working Public sector experience will be highly beneficial For full details regarding this Senior Python Developer role, please apply … here and we'll be in touch #Python engineer #Python developer #Python consultant #Python ...

Senior Python Engineer | Python, IaC, CI/CD London, London City Hybrid, 2 days a week onsite £75k plus 8% bonus, 10% pension, private healthcare 5+ years commercial experience with Python We're recruiting for a Senior Python Engineer to join a global … plenty of opportunities to learn, develop and progress your career. What You'll Be Doing | Summary of Skills Building automation frameworks and tooling using Python Developing Infrastructure as Code solutions with Terraform Creating reusable templates and code generation platforms using Jinja/Jinja2 Automating Windows environments through PowerShell Managing ...

Senior Python Developer London | Hybrid (3 days per week) | Up to £700/day (Inside IR35) | 6 month contract - possible extension Banking is changing. The software behind it needs to change too. New regulation. Increasing use of AI. Greater scrutiny around security and governance. That … world's largest investment banks has invested in growing several engineering teams, and we're looking for experienced Python Developers to help build the next generation of internal platforms. This isn't about maintaining legacy systems. You'll be joining projects focused on modernising how critical banking technology ...

Senior Python Developer London | Hybrid (3 days per week) | Up to £100,000 + Benefits Banking is changing. The software behind it needs to change too. New regulation. Increasing use of AI. Greater scrutiny around security and governance. That's why one of the world's largest … investment banks has invested in growing several engineering teams, and we're looking for experienced Python Developers to help build the next generation of internal platforms. This isn't about maintaining legacy systems. You'll be joining projects focused on modernising how critical banking technology is built, tested ...

seeking a senior Python Developer within Risk Technology to join a multi-year strategic initiative: the design and delivery of AI-enabled automation across the end-to-end quantitative model lifecycle, covering all market risk and credit risk models. This is a hands‐on engineering role … data engineers, and the program leadership to translate workflow automation requirements into robust, production‐grade solutions. Key Responsibilities Engineering & Delivery Design, develop, and maintain Python‐based services, pipelines, and tools supporting automation of the quantitative model lifecycle across market risk and credit risk model families. Build and operate automated ...

99436955280Posted: 2026-08-19Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiWe are seeking a senior Python Developer within Risk Technology to join a multi-year strategic initiative: the design and delivery of AI-enabled automation across the end-to-end quantitative model lifecycle, covering … analysts, model validators, data engineers, and the program leadership to translate workflow automation requirements into robust, production-grade solutions.Key ResponsibilitiesEngineering & DeliveryDesign, develop, and maintain Python-based services, pipelines, and tools supporting automation of the quantitative model lifecycle across market risk and credit risk model families.Build and operate automated testing ...

Highly experienced Python Engineer for portfolio manager – Tech Driven Fund160,000-250,000 + bonusOffice based in St James, LondonQuant Capital is urgently looking for a top-tier Python developer to join our high profile client.Our client is a well-known global systematic hedgefund. They have incredible … surrounded by smart people deeply interested in teaching what they know, and in learning from you.Their Trading team looking to hire an expert Python developer to extend existing infrastructure to accommodate new systematic strategies trading interest rates and foreign exchange. The ideal candidate should have already built ...

currently supporting our Central Government client who are seeking a Senior Developer (G7) (Python & Django) on an initial 6 month contract. Location: London, Bristol OR Manchester (hybrid office attendance) You will have: A high level of expertise in Python and Python web frameworks, ideally Django. ...

Logistics Employment type: Permanent Job Description As a Senior Python Engineer, you will play a critical role in designing, developing, and optimising our innovative solutions. You’ll be responsible for driving the technical execution of projects, mentoring other developers, and ensuring our platform remains scalable, reliable, and secure. … competitive edge. Person Specification/Requirements At least 8+ years of professional software development experience with a minimum of 4 years of experience in Python as a core programming language Experience in Financial Services/Highly regulated environment is highly beneficial Proficiency in one additional programming language is preferred ...

Client Server Ltd. in London is seeking a Python Developer/Engineer (SQL ETL) to join a Hedge Fund building a modern medallion data platform architecture. This hands-on role offers ownership and impact within a collaborative small team. You will design Python components, develop ETL pipelines ...

London is seeking a Senior Software Developer to join the Network Software & Data Science team. You will design, build, and evolve software platforms, services, and data products enabling analytics, automation, forecasting, and AI-driven decision making across networks. The role blends software engineering with cloud infrastructure and data ...

right here at the company Role/Team overview About the Role We are looking for an experienced and motivated Senior Software Developer to join the software and data science team within Network Software & Data Science. You will help design, build, and evolve the software platforms, services … Collaborate with data scientists, data engineers, and network domain experts to translate business requirements into robust software solutions. Develop backend services and APIs using Python and modern frameworks such as FastAPI, Flask, or Django. Design and implement containerised applications using Docker and Kubernetes. Build and maintain CI/ ...

company. 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 … 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 ...

external vendor and internally developed analytics libraries to handle curve and vol surface construction and pricing of trades.We are seeking a hands‐on Senior Developer to build and operate a high‐scalable, AWS cloud-based risk platform leveraging a Snowflake database containing trade data, reference data and market … ideal candidate brings deep knowledge of distributed systems and data structures, and can optimize for performance, reliability, and cost.Primary ResponsibilitiesDesign, implement, and support scalable Python based risk engines leveraging position, reference and market data stored in Snowflake databasesOptimize the risk generation process to deliver accurate risk results ...

Company DescriptionLyst 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 of consumers globally with the world … Renta.Job DescriptionThe main challenge now is to build a scalable architecture, meaning we have to tackle the challenges that come with using Python for distributed systems; Consistency, availability, service orchestration and much more. We currently run different services, all with their own CI flows, allowing us to deploy several ...

from top-tier investors including Accel, DFJ, Balderton and the teams behind LVMH, Michael Kors and Oscar de la Renta.Job DescriptionLyst are hiring senior software engineers to build well engineered, innovative and long lasting solutions for our millions of online shoppers. At the heart of Lyst is a data … site every week. On top of this data, we build systems that help people discover, follow and buy from their favourite fashion brands.As a senior software engineer, you will join our Acquisition Technology team and work closely with other engineers, product managers, designers and data scientists to solve problems ...

development, testing, deployment, and maintenance of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes.The Counterparty Credit Risk Senior Application Developer position is a senior role that will interface closely with Quant and Front Office technology teams to integrate pricing models … technological frameworks, including distributed computing architecture.The role will involve tasks such as:Developing and maintaining the Counterparty Credit Risk applications, leveraging in-house Python and C++ model libraries.Supporting and improving CI/CD (build, testing and release management) of the credit risk application.Contributing to the codebase to optimize performance ...

Design, build and scale the backend of a product, a company is using to disrupt and innovate within the telecommunications market. You’ll come in and drive the team forward with your technical prowess with ...

overall delivery responsibility, who you can lean on and learn from to hone your skills around management and IT deliveries.You must have experience with Python and AWS.Key Activities:System development - both front-end, back-end and integrationsWorkflow planningProcess optimization and quality assuranceImplementing customer requirements for the design … Software Engineering, Computer Science, Information Technology or similarA curiosity to explore new technologiesIdeally a full-stack or backend technical background with experience in Python, with either Typescript or React and TerraformExperience across the full software development lifecycleAbility to code within projectsExperience in Databases, including MongoDB, SQL or Document DatabaseExperience ...