26 to 50 of 55 Python Developer Jobs in London

Python Developer (AI/Data Focus) – Financial Services We’re partnering with an innovative financial services firm with deep expertise across FX, Swaps, Options, and a range of complex financial products. Their technology team is building cutting-edge, data-intensive, event-driven systems that power real-time market … data, analytics, and execution workflows — and they’re looking for a Full-Stack Python Engineer to join them. 💻 What you’ll be working on: • Designing, developing, and optimising full-stack applications • Building API-first, scalable backend services • Developing real-time data pipelines and event-driven architectures • Supporting production systems ...

Backend Python Developer (AI) - Remote - UK - excellent opportunity to join this innovative and fast-growing AI tech. organisation! Skills/experience 2+ years solid commercial Python coding experience (backend, API development would be great). Good understanding of Docker, Kubernetes, and scalable distributed systems . An Agile … Foundry , AI Search , Cosmos DB , AKS ). Interest in experimenting with new AI frameworks and tools. Role Code back end solutions confidently in Python, design and implement scalable architecture using cloud-native tools. Build and deploy AI-first features using Azure AI Foundry, Docker and AKS . Use Visual ...

leading commodities trading business is looking to hire a Junior Python Developer to join its front-office technology and analytics function in London. This role sits within a highly technical team supporting trading, risk, and quantitative analytics platforms across physical and derivatives markets. You'll work closely with … traders, quants, and senior engineers on the development of modern data and analytics tooling used across the business. The environment is C# and Python-focused, with increasing adoption of cloud-native data technologies including Databricks, whilst also integrating with established quantitative pricing and risk platforms such as Numerix. This ...

looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk … Ensure high code quality and test coverage Participate in code reviews and mentor junior developers where required Must-Have Skills Strong experience in Core Python development (6–10 years) Strong SQL skills with ability to handle complex queries and large datasets Experience with Python libraries (Pandas, NumPy ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts click apply for full job details ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts. Requirements Designandimplementsystemsandsoftwaretomeetrequirementsusingappropriatetoolsandmethods. Promotethecreationofhigh-qualitycodebycommitmenttopracticessuchastest-drivendevelopment,pairprogrammingandcodereview. Beresponsibleforthetechnicaldevelopmentofallstagesofsoftwarecreation,includingtesting;ensurethatimplementationmeetssecurity,performance,andsafetyrequirements. Suggestimprovementstothecodebase,developmentprocesses,toolingandworkingpractices.Encourageinnovationbyidentifying,evaluatingandadoptionofemergingtechnologies. Assistwiththedesign,implementation,andtestingofAPIsthatadheretotheOpenAPIspecification Knowledge ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. Interested in this role You can find all the relevant information in the description below. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts. Requirements Designandimplementsystemsandsoftwaretomeetrequirementsusingappropriatetoolsandmethods. Promotethecreationofhigh-qualitycodebycommitmenttopracticessuchastest ...

Backend Python Developer (AI) - Remote - UK - excellent opportunity to join this innovative and fast-growing AI tech. organisation! Skills/experience 2+ years solid commercial Python coding experience (backend, API development would be great). Good understanding of Docker, Kubernetes, and scalable distributed systems click apply ...

Contract Type: 6 months contract inside IR 35 Work Mode: 3 days from office, 2 days from home We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting … risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk use cases Build data processing pipelines and automation scripts for trade, risk and reconciliation workflows Work with large financial datasets to support PnL, risk and reporting requirements Contribute to system design ...

seeking an experienced Python Developer to join a high-profile, fully funded two-year initiative. As part of a critical engineering programme, you will support core delivery streams, remove bandwidth constraints, and help drive momentum toward key 2026/2027 milestones. What You'll Do You'll design … environment, working closely with demanding stakeholders to translate complex requirements into robust, scalable solutions. What We're Looking For Essential 5+ years of strong Python development (Java advantageous) Proven experience designing and building complex server-side systems Background in Financial Services — specifically front office derivatives, pre-trade/origination ...

Senior Python Quant Developer London (Hybrid) The company A growing fintech business building advanced analytics and execution technology for institutional clients across the derivatives space. Their platform is used by leading hedge funds and asset managers to support relative value, volatility, and macro trading strategies. The environment combines … performant screening and trade discovery tools Work closely with traders and quants to turn analytical requirements into production systems Improve observability, deployment processes, and developer experience across the platform What you will need Strong software engineering fundamentals across architecture, design, and quality practices 5+ years’ experience in platform engineering ...

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Salary: Up to £140,000 + Bonus + Package Location: London (Hybrid Working) Skills: Python as a main language This firm is an elite tech firm with high standards who have previously set tech world ...

Python Engineer (AI/LLM Focus) London (Hybrid) | 🚀 Fintech Scale-Up We’re partnering with a fast-growing fintech company in London that’s redefining how financial data is leveraged through cutting-edge AI. They’re now looking for a Python Engineer with strong experience … product, data, and engineering teams to bring AI-driven features into production. What you’ll be doing: Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists ...

Python Full Stack Developer Requirements Develop highly scalable applications in Core Python. Hands-on with Python web frameworks such as Django, Flask, or FastAPI. Experience working on SQL with ability to run various data analytics tasks and queries. Exposure to Java script technologies (preferably React) Exposure … Service, Containers etc.). Knowledge on Financial domain and mainly Risk management is highly desirable Qualifications 8+ years of prior experience as a developer in the required technologies CORE TECHNOLOGIES Scripting : Python, SQL, Bash, PySpark Web frameworks: Django, Flask, or FastAPI. Frontend Technologies: ReactJS, Java Script Azure : Azure ...

Role : Angular developer with python Location: London, UK Hire type - Permanent Hybrid - 2 days office per week Exp – 5-12 yrs relevant Job Summary Seeking a Specialist with 5 to 12 years of experience in Angular Python and AWS to design and develop scalable secure web applications … upgrade existing code when required · Recommend and execute improvements · Create technical documentation for development solutions future reference and reporting · Conduct peer reviews of other developer’s code · Collaborate with architects and other developers to develop the solution design · Estimate user stories and feed estimates back into the Product Backlog ...

Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus One of the leading absolute return/hedge fund managers within finance, currently managing over $40bn, is diversifying further by creating a separate division to focus on managing crypto … learn, we want to hear from you. Note: if you haven't received a reply within 3 days, your application was unfortunately not accepted. Python/Golang/Rust Developer - Digital Assets arm of Global Hedge Fund - Up to £200k base + Bonus ...

Role: Python Software Engineer Location: Remote (anywhere from Europe) Salary: Up to £90k/€100k base + equity We're partnered with a well-funded startup that's building AI agents to automate operations in the consumer goods space. Small team, strong backers, and real traction with customers. … Role As a Python Software Engineer, you'll be designing and building intelligent, autonomous systems that solve real operational problems for growing brands. You'll own solutions end-to-end - from architecture and scoping through to production - working closely with product and engineering leadership. This is a hands ...

success is driven by cutting-edge analytics, high-frequency data processing, and a commitment to innovation. We are now looking for a Senior Python Engineer to join our dynamic team in London and drive our next wave of technological advancements. Role Overview: As a Senior Python Engineer … building robust systems that enhance our trading strategies, risk management, and data analysis. You will collaborate closely with quants, data scientists, and traders, providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment ...

seeking a skilled Angular Developer with Python expertise to design and develop scalable, secure web applications and cloud-native solutions . The ideal candidate will have hands-on experience with: Angular (Frontend) Python (Backend) AWS Cloud Services (S3, API Gateway, EC2, RDS) You’ll be working … Agile environment, contributing to full-cycle development—from design to deployment. Skills & Experience Primary Skills Angular Python Java JavaScript JSON AWS (S3, API Gateway, EC2, RDS) Microservices Architecture REST API Integration CI/CD Pipelines Secondary Skills (Good to Have) AWS API Gateway AWS CodePipeline AWS EKS Docker & Kubernetes ...

Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds … Layer, Central Risk Calculations, and Backtesting Frameworks which will be a key tool for the Investment teams. Essential Skills & Experience: Excellent Quant Development and Python skills, as per 3+ years of professional experience in Financial Markets, ideally in a Systematic Hedge Fund and/or dealing with Futures. Quantitative ...

level Python Django Developer Permanent | Hybrid (London or Sheffield) This is a chance to join a Series B funded fintech scale-up building a product that’s already used by thousands of businesses across the UK and Europe. They’ve built something that works, scaled … Contribute ideas Own features end-to-end Work closely with product and other engineers What they’re looking for Solid commercial experience with Python Strong hands-on Django experience Experience building APIs and working with SQL Someone who enjoys working in a product environment Why it’s worth considering ...

Responsibilities Develop, test, and maintain high-performance backend applications using Python Design and build RESTful APIs using FastAPI Automate deployment, configuration, and infrastructure management using Ansible Collaborate with DevOps teams to implement and maintain CI/CD pipelines Manage cloud-based infrastructure and containerized applications (Docker/Kubernetes) Write ...

currently working with a public sector client who are actively seeking 3 SC Cleared Senior Python Developers with strong Django experience. What you'll need to succeed : Extensive (10 years +) Python Development experience, ideally within the public sector. Active SC clearance is highly desirable, minimum expectation ...

currently working with a public sector client who are actively seeking 3 SC Cleared Senior Python Developers with strong Django experience. What you'll need to succeed : Extensive (10 years +) Python Development experience, ideally within the public sector. Active SC clearance is highly desirable, minimum expectation ...

optimize return metrics. Who We're Seeking: We're on the lookout for a seasoned Associate to Mid-level Software Engineer with hands-on Python experience. Familiarity with AWS Serverless and related technologies would be advantageous. Strengths in Pandas, Polars, Pytest, Postgres, and CI/CD is essential. ...