1 to 25 of 30 Permanent Python Developer Jobs in the UK

Python Developer | Energy Trading House | London Hybrid | Up to £65k + Bonus + Benefits A Python Developer is required by a leading Energy Trader to support the front office of their hedge fund division. This is a quite unique Python Developer opportunity because … where you will be working with all trading desks in a small development team with full exposure to all technology decisions within their Python realm. It also does not require previous Financial Services background but an interest in it would definitely be advantageous. You’ll be working ...

Python Developer/Backend Software Engineer Cambridge to £65k Are you a technologist Python Developer who enjoys problem solving and working on complex systems? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients … Assistance Program 23 days holiday plus an additional one for your birthday Charity giving schemes Personal training and development budgets Your role: As a Python Developer within the R&D team you'll work on a new Greenfield product to combat the threat of AI based security attacks. ...

Senior Python Developer/Software Engineer London/WFH to £120k Join a growing, global, Fintech services company that has seen 30-40% year on year growth for the past 10 years and has ambitious growth plans. As a Senior Python Developer you'll join … team in Central London three days a week with flexibility to work from home the other two days. About you: You have strong Python development skills including FastAPI (will also consider Django or Flask experience) You have experience of working on event driven microservices with large scale data ...

Backend Python Developer (Azure AI) Location: Remote/Hybrid Type: Full-time Our client is a fast-growing consulting business building an AI-driven platform on native Microsoft Azure services. They are looking for a strong Backend Python Developer to join their team and play … lean, high-impact environment where speed, quality, and innovation matter. The Role The successful candidate will: Design, build, and maintain backend services in Python , writing clean, maintainable, production-grade code. Develop and deploy AI-powered features using Azure-native services including Azure AI Foundry, Azure AI Search, Cosmos ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over … customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position ...

Python Developer | Greenfield Energy Trading | London Hybrid | Up to £90k + Bonus + Benefits A Python Developer with strong core engineering skills is required by a leading Trading House institution to support the front office teams in the business. This is a quite unique opportunity because … chance to influence architectural decisions and contribute to modernising core platforms used across trading. Key Responsibilities: Engineering high-quality backend services using core Python , developing software from scratch rather than simple scripting (experience with OOP is important) Working closely with cross-functional teams to gather requirements and deliver robust ...

Python Developer - Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international Investment Bank. This is a core software engineering role focused on building production trading systems . We are looking … core Python engineer who enjoys owning components, improving systems, and working closely with the business in a fast-paced trading environment (this is not a quant, data engineering or AI/ML role). You will sit within Front Office Technology supporting the Fixed Income trading desk which develops ...

Senior Python Developer (PYTHON/REACT/AWS/AZURE) - is required by fast growing and highly successful technology consultancy. They are looking for a talented individual who will design, implement, and maintain their complex software, systems, and customer-facing digital products. Requirements Design and implement systems … this job Able to demonstrate commercial software development experience. Practical experience in system design, development, testing and operational stability. Deep knowledge and experience in Python and its ecosystem, patterns and pitfalls. Experience applying continuous delivery, test driven development and pair programming. Experience of working in an agile environment ...

Python Developer Watford, Hertfordshire (Hybrid) £70,000 - £75,000 per annum + Excellent benefits On behalf of an industry Leading organisation, I am seeking a Python Developer with strong production experience building high-throughput, message-driven platforms. This role suits someone comfortable working on real-world … Ensure unit tests are implemented and fit for purpose. Research and evaluate new technologies that could benefit the organisation. Design and develop high-quality Python software that meets complex business needs. Ensure code, documentation, and testing align with engineering standards. Deliver solutions that meet acceptance criteria, performance expectations ...

Python Developer Insurance Analytics Were looking for a talented Python Developer to join our growing Insurance Analytics team. In this role, youll play a key part in shaping and enhancing InsurSight , our award-winning SaaS analytics platform. This is a great opportunity to work … prototype new technologies to drive innovation and continuous improvement Contribute to a culture of curiosity, collaboration, and technical excellence What were looking for: Strong Python development experience, with a proven ability to deliver production-quality, maintainable code Must have experience working with large datasets and performance-critical applications Experience ...

Graduate/Junior Developer, Python, JavaScript, PHP - London (Tech stack: Graduate/Junior Developer, Python, JavaScript, PHP, Graduate/Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client … number of new offices are being opened in the UK and our client is looking for talented, enthusiastic and passionate Graduate/Junior Developer to bring their product to these new markets and help enhance this already successful company! These roles would be suitable Graduate/Junior Developer ...

Senior Python Developer (PYTHON/REACT/AWS/AZURE) - is required by fast growing and highly successful technology consultancy. They are looking for a talented individual who will design, implement, and maintain their complex software, systems, and customer-facing digital products. Requirements Design and implement systems … this job Able to demonstrate commercial software development experience. Practical experience in system design, development, testing and operational stability. Deep knowledge and experience in Python and its ecosystem, patterns and pitfalls. Experience applying continuous delivery, test driven development and pair programming. Experience of working in an agile environment ...

Senior Python Developer (PYTHON/REACT/AWS/AZURE) - is required by fast growing and highly successful technology consultancy. They are looking for a talented individual who will design, implement, and maintain their complex software, systems, and customer-facing digital products. Requirements Design and implement systems ...

NOTE: VISA SPONSORSHIP IS NOT PROVIDED Role : Python Developer Location: London, UK (5 Days/Week Onsite) Type: Permanent Requirement: A Python + React + SQL + Databricks developer role blends backend data engineering with frontend application development, requiring strong coding skills in Python, React.js … Databricks for building scalable, data-driven Key Responsibilities Backend Development (Python) Build APIs and services using Python frameworks (Flask, FastAPI, Django). Integrate with Databricks SQL endpoints for data access. Ensure performance, scalability, and security of backend systems. Databricks & Data Engineering Develop ETL pipelines and workflows using PySpark ...

Lead Python Developer Climate Tech London (Hybrid, 3 days per week) Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of the biggest names … complexity, mathematical optimisation, and performance challenges at scale - a long way from your average API job. Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries and grid modelling computations Managed and optimised ...

Senior Developer (Python with some .NET, React/JavaScript, AI, Azure) Excellent fast-growing and exciting Tech. Data and AI organisation. Skills/experience Expertise in Python, with some .NET and JavaScript/React, with a strong understanding of microservices, scalable APIs and modern application architecture. … interest in Azure's AI stack, including Azure AI Foundry, Azure OpenAI, AI Search, agents and RAG patterns. Proven experience as a senior developer, full-stack developer, software engineer or product engineer in a high-growth product, consultancy or customer delivery setting. Ability to design, build and review ...

Lead Python Developer Climate Tech London (Hybrid, 3 days per week) Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of the biggest names ...

Role We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno‐economic assessment. The ideal candidate will have deep knowledge of Python’s core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools … containerization, and message‐queue technologies will be considered a significant advantage. Your responsibilities: Python Development & Software Engineerin gDevelop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design .Build scalable algorithms and write clean, maintainable ...

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 ...

working with a big name in the Energy Trading space who are looking for a Python Developer to join their Front Office Delivery team supporting the traders. You will primarily be building out models for trade execution with responsibilities including: Developing and enhancing multiple Python-based front … needed Collaborating regularly with end users throughout the change lifecycle to gather feedback and ensure successful delivery Key Requirements : Demonstrated commercial experience in Python development Experience developing Web APIs using Flask, FastAPI, Streamlit, or other leading Python frameworks Experience in Azure Cloud environments (AKS) Experience with streaming data ...

client is a financial services organisation building capital markets data platforms and agentic AI applications. They are looking for a Senior Python Developer to join a collaborative engineering team working on data infrastructure and AI-driven tooling that supports trading, analytics, and operational workflows. Requirements: 5+ years … Python development with strong data (Parquet) and AI (Claude Code) experience Experience working with large datasets and columnar data formats An AI-native mindset, with exposure to agent-based or AI-assisted development Solid software engineering fundamentals and experience delivering production systems Financial services experience is a strong advantage ...

partnering with a global financial services organisation to hire an experienced Python Developer to join a high-performing trading & risk technology team in London. This role focuses on building scalable backend solutions supporting risk analytics, trade processing, reconciliations and reporting across capital markets environments. What … doing: Developing Python-based services and data workflows Building APIs and automation tools for trading/risk platforms Working with large financial datasets including PnL and market risk data Collaborating with traders, quants and risk stakeholders Enhancing system performance, scalability and production stability Supporting CI/CD, testing ...

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/Django Developer - Edinburgh Hybrid (Quarterly) We are delighted to be working with a well-established and rapidly growing technology business that operates at scale within the global hospitality sector. Our client has built a strong reputation for delivering software solutions to some of the industry … biggest names, and following continued investment and expansion, they are now looking to strengthen their engineering team with the addition of a talented Python Developer. This is a fantastic opportunity for a developer who wants more than just a job, someone looking for a role where they ...