1 to 25 of 78 Senior Python Developer Jobs in London

View these similar available jobs instead: Date Added: 19 May 2025 Python Developer Job DescriptionSenior Python Developer – Decarbonisation Start-UpBase Salary: Up to £110,000 per annumLocation: London, 3 days in the office per weekWe are seeking an experienced Senior Python Developer to … are currently recruiting on behalf of a systematic macro fund running 2.5 billion in AUM who are actively looking to bring on board a Python software Developer to support the development of their trading platform. This is a unique opportunity for someone in their early career to... Job … are currently recruiting on behalf of a systematic macro fund running 2.5 billion in AUM who are actively looking to bring on board a Python software Developer to support the development of their trading platform. This is a unique opportunity for someone in their early career to... Job More ❯

Senior Python Developer Project at a major Investment Bank seeks an experienced Python Developer to join their Front Office trading technology team delivering solutions that manage pricing and trade execution for FX Derivatives instruments. As the Senior Python Developer you will build … a new platform for trading and risk calculations and associated regulatory reporting using back end OO Python in a Unix/Linux environment, with involvement in the full development cycle in an Agile (Scrum) approach. Experience required: Significant experience working as a server side Python developer in … Front Office environment OOD Test-driven development Relational databases Experience working in an Agile environment Linux/Unix Desirable skills for you as the Python Developer: Experience of Regulatory reporting associated with Trading such as MiFID II or EMIR Experience building real-time applications based on a messaging More ❯

Python, FastAPI, Azure Hybrid working in Central London Pays up to £75k + equity Senior Python Developer - Python, FastAPI, Azure, LLMs My client are a high-growth start-up in the EdTech sector, who are leveraging AI on their platform, to deliver highly personalised experiences … other engineers to help scale their platform, and is an ideal role for someone who has demonstrated experience scaling systems in high-growth environments. Senior Python Developer - Python, FastAPI, Azure, LLMs Key skills and experience: Strong skills with Python Demonstrated experience with FastAPI Hands-on … week required in their offices, paying £70k-£75k depending on skills and experience along with an equity package. Apply now to register your interest! Senior Python Developer - Python, FastAPI, Azure, LLMs More ❯

Python, FastAPI, Azure Hybrid working in Central London Pays up to £75k + equity Senior Python Developer - Python, FastAPI, Azure, LLMs My client are a high-growth start-up in the EdTech sector, who are leveraging AI on their platform, to deliver highly personalised experiences … other engineers to help scale their platform, and is an ideal role for someone who has demonstrated experience scaling systems in high-growth environments. Senior Python Developer - Python, FastAPI, Azure, LLMs Key skills and experience: Strong skills with Python Demonstrated experience with FastAPI Hands-on … week required in their offices, paying £70k-£75k depending on skills and experience along with an equity package. Apply now to register your interest! Senior Python Developer - Python, FastAPI, Azure, LLMs More ❯

Senior Python Developer with Blockchain Experience Senior Python Developer with Blockchain Experience 4 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. This range is provided by GenLayer Labs. Your actual pay will be … complex processes, make smart decisions, and interact with the real world in ways that were previously impossible. Position Overview We are looking for a Senior Python Developer who specializes in advanced Python development. In this role, you will focus on core language features, performance optimization, and … security enhancements suitable for sandboxed execution environments. Your expertise will be crucial in ensuring the robustness, security, and efficiency of our custom Python interpreter and its integration with blockchain functionalities. Key responsibilities Specialize in advanced Python development focusing on core language features Optimize Python code for performance More ❯

Senior Python Developer (Contracting role) – Leading Private Credit Asset Manager – Discrete Search Senior Python Developer (Contracting role) – Leading Private Credit Asset Manager – Discrete Search 3 weeks ago Be among the first 25 applicants My client, a leading global private credit hedge fund, is seeking … a talented Senior Python Developer to join their London office on a contract basis, supporting the firm’s continued innovation in data-driven investment technology. You’ll be embedded in a lean, highly skilled technology team, working directly with the CTO and collaborating closely with stakeholders across … front office, risk, and operations. This is a hands-on role with real impact—you’ll be translating complex business needs into elegant, scalable Python solutions that directly power investment decision-making. This is a rare opportunity to contribute to a high-performance environment at the forefront of alternative More ❯

Join to apply for the Senior Python Developer - Financial Technology role at John Goddard Associates 5 days ago Be among the first 25 applicants Join to apply for the Senior Python Developer - Financial Technology role at John Goddard Associates Up to £850 per day … dynamic team within a global Tier 1 investment bank building cutting-edge financial systems that operate at global scale. They are seeking an exceptional Python developer to work on high-availability trading platforms in a fast-paced, front office environment. Up to £850 per day via umbrella | Hybrid … dynamic team within a global Tier 1 investment bank building cutting-edge financial systems that operate at global scale. They are seeking an exceptional Python developer to work on high-availability trading platforms in a fast-paced, front office environment. What You'll Do Develop and maintain large More ❯

Senior Python Developer/Backend Software Engineer London/WFH to £100k Are you a backend Python Developer looking for an opportunity to progress your career in a senior, hands-on role? You could be joining a scale-up tech company (established 10 years … CO2 carbon neutral targets. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Python Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues … to help scale and future proof the business. You'll focus on backend Python engineering on AWS but there's a range of other tech in the stack (Java, JavaScript, Vue.js, TypeScript and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and More ❯

Python Developer 2-3 days a week in London offices Pays £80k-£95k + equity & benefits Python Developer - Python, Flask, GCP I've just partnered, with a high-growth InsureTech start-up, looking to expand their highly skilled engineering team, where you will play a … making an impact in the Insurance space globally. Day to day, you'll be maintaining, designing and developing API's and backend services in Python, scaling high-performance systems with a focus on performance and security, and be involved in all aspects of the business as they look to … scale. Python Developer - Python, Flask, GCP Key skills and requirements: 3+ years of commercial experience working with Python Strong experience with Python frameworks, ideally Flask GCP Cloud expertise High-level of understanding in server-side architecture Comfortable working in a high-growth, start-up environment More ❯

Join to apply for the Senior Python Developer (Data) role at With Intelligence Join to apply for the Senior Python Developer (Data) role at With Intelligence Get AI-powered advice on this job and more exclusive features. Over the past 25 years, With Intelligence … hands on experience in multiple areas, making it an amazing opportunity to learn very quickly. Responsibilities Design and develop robust, scalable data pipelines using Python and related technologies. Implement data integration solutions to collect, process, and store structured and unstructured data from diverse sources. Collaborate with data scientists and … processing and storage solutions. Ensure data quality and integrity throughout the data lifecycle. Maintain and enhance existing data infrastructure and tools. Requirements Proficiency in Python programming with a focus on data manipulation, processing, and analysis. Experience with data modeling, ETL processes, and working with large-scale datasets. Familiarity with More ❯

Python Developer 2-3 days a week in London offices Pays £80k-£95k + equity & benefits Python Developer - Python, Flask, GCP I've just partnered, with a high-growth InsureTech start-up, looking to expand their highly skilled engineering team, where you will play a … making an impact in the Insurance space globally. Day to day, you'll be maintaining, designing and developing API's and backend services in Python, scaling high-performance systems with a focus on performance and security, and be involved in all aspects of the business as they look to … smaller, candidates who come with experience working closely to the product, collaborating with Product Designers and Managers and come with a Product first mindset. Python Developer - Python, Flask, GCP Key skills and requirements: 3+ years of commercial experience working with Python Strong experience with Python More ❯

Python Developer 2-3 days a week in London offices Pays £80k-£95k + equity & benefits Python Developer - Python, Flask, GCP I've just partnered, with a high-growth InsureTech start-up, looking to expand their highly skilled engineering team, where you will play a … making an impact in the Insurance space globally. Day to day, you'll be maintaining, designing and developing API's and backend services in Python, scaling high-performance systems with a focus on performance and security, and be involved in all aspects of the business as they look to … smaller, candidates who come with experience working closely to the product, collaborating with Product Designers and Managers and come with a Product first mindset. Python Developer - Python, Flask, GCP Key skills and requirements: 3+ years of commercial experience working with Python Strong experience with Python More ❯

Senior Python Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Python Developer (PYTHON/AWS/REACT). They … 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 and More ❯

We are looking for highly competent expert with substantial Python programming knowledge. Their major responsibility is to create, maintain, and improve Python programs, networks, and solutions.Senior Python Developers are also frequently in charge of mentoring junior developers, providing technical leadership, and cooperating with cross-functional teams. Senior Python Developer is an important player in the world of Python programming. Their knowledge, experience, and leadership all contribute to the creation of robust and efficient software. Department: Project Management Project Location(s): London - United Kingdom Compensation: 73.000 GBP P/A Responsibilities You are in … charge of creating Python-based applications and systems. Their code is the foundation of all software projects, ensuring functionality and performance. Frequently take on leadership positions, guiding and mentoring junior developers. They give technical skills and ensure the team adheres to best practices. Working collaboratively with cross-functional groups More ❯

creates new opportunities for driven and skilled individuals to join one of the fastest-growing consultancies globally. Job Description We are seeking a skilled Python Developer with experience in the trading domain and FIX protocol to join our dynamic team. The ideal candidate will have a strong background … the trading domain. Qualifications Bachelor’s degree in computer science, Engineering, or a related field. Proven experience for more than 6+ years as a Python Developer in the trading domain. Experience with trading systems, market data, and order management systems. Proficiency in Python programming and related frameworks … helping our employees reach their full potential, offering Pathways Career Development Quarterly, a programme designed to support professional growth. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Consulting Industries IT Services and IT Consulting Referrals increase your chances of interviewing More ❯

Social network you want to login/join with: Senior Python Developer Location: London, United Kingdom Contract: 12 months Rate: £500 - £600 per day Job Details My client is currently hiring a Senior Python Developer for a long-term project within the defence sector. … so existing SC clearance is a bonus. This position is outside IR35, fully remote within the UK, paying up to £600 per day. Requirements Python Django FastAPI Kubernetes Bonus Points Experience in the defence industry SC Clearance Next Steps If you believe this Senior Python Developer More ❯

Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON Join to apply for the Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON role at Citi Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON 1 week ago … Be among the first 25 applicants Join to apply for the Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON role at Citi The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used … 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 More ❯

Job Title: Senior Python Developer (Python/Django) Location: Fully Remote Job Type: Full-Time Salary 80k - 100k About the Company: A fast-growing tech company revolutionizing the e-commerce/data analytics sector with cutting-edge software solutions. Join their dynamic engineering team and contribute … to innovative projects. Job Description: We're looking for a passionate Python Developer (Python/Django) with 5 + years of experience. This role offers the opportunity to work in a fast-paced, collaborative environment and grow your skills. Key Responsibilities: Develop and maintain scalable applications using … Python (Django). Build and integrate APIs and third-party services. Participate in Agile development cycles and CI/CD processes. Optimize applications for performance and scalability. Collaborate with cross-functional teams. Requirements: Computer Science or STEM degree from a top Russell Group University (1st or 2:1). More ❯

Senior Python Developer Permanent £80,000- £90,000 (doe) London – Hybrid Seeking an experienced Senior Python Developer for a Permanent role based in central London.Hybrid working with the expectation of 3 days/week on site in London . Immediate start, ideally Summer 2025. … digital transformation business on large-scale IT modernisation programmes for government clients. Key skills, experience + tasks will include: Extensive hands-on experience with Python is essential, including a strong grasp of Core Python concepts. Proven expertise in deploying Python applications using CI/CD, along with More ❯

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 . You must have excellent technical excellence in Python in developing a is required. … tuning and resource usage Ability to troubleshoot existing scripts and do point bug fixes/application redesign Highly experienced in multiprocessing, multiprocessing, and asynchronous python development (asyncio module) Experience with Docker containers, micro services, and CI/CD pipeline a plus Experience with Django, Flask is a plus Working More ❯

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. You must have excellent technical expertise in Python. Excellent verbal communication skills (English a must). … back-end architectures. Understanding application performance tuning and resource usage. Troubleshooting existing scripts and performing bug fixes/application redesign. Working with multiprocessing, asynchronous Python development (asyncio module). Utilizing Docker containers, microservices, and CI/CD pipeline. Utilizing frameworks such as Django or Flask. Working knowledge with MongoDB More ❯

Senior Python Developer – Backend - Hybrid Remote Location: 3 days from home/2 days in NW London Salary: Circa 90K – 97K + Benefits Senior Python Developer required by revolutionary, tech-focused Company! This is a challenging, key role developing scalable, high-quality, enterprise-grade … products and mentoring peers Essential: Strong experience in Python backend development (Flask, FastAPI, or similar) Proven ability to design and build REST APIs. Hands-on experience with Google Cloud Platform (GCP) Proficiency with containerisation tools like Docker/Kubernetes Experience with CI/CD Deep understanding of coding standards More ❯

Join to apply for the Senior Python Developer role at Barrington James . We are seeking a highly skilled Senior Python Developer to join a dynamic team at a leading medical device company in the UK. This role will play a key part in … developing innovative software solutions that support life-changing medical technologies. Key Responsibilities Design, develop, and maintain robust Python applications for medical device software. Collaborate with cross-functional teams, including R&D, product management, and QA. Ensure software meets regulatory standards (e.g., ISO 13485, IEC 62304) for medical devices. Write … clean, efficient, and well-documented code following best practices. Participate in code reviews, testing, and continuous improvement initiatives. Requirements Strong experience in Python development (5+ years preferred). Background in medical devices, healthcare, or regulated industries is a plus. Proficient in working with APIs, databases, and software architecture. Familiarity More ❯

Senior Python Software Engineer – London *Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship* A Senior Python Engineer is required for an exciting and innovative Software sports betting company based in London. The successful candidate will be working closely with … tight-knit team of research mathematicians, computer scientists and trading analysts at the top of their chosen fields. The current team consists of one developer with 10+ years of experience, specializing in Python backend development. The team will grow in 2025. Essential Skills 5+ years’ experience in a … Software Development role, with some Python experience and a track record of building robust, high-quality solutions. 1+ year in a leadership position, with a history of successfully guiding teams and projects to impactful outcomes. Experience in designing and sustaining technical solutions that pragmatically address complex, real-world business More ❯

Senior Python Software Engineer – London *Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship* A Senior Python Engineer is required for an exciting and innovative Software sports betting company based in London. The successful candidate will be working closely with … tight-knit team of research mathematicians, computer scientists and trading analysts at the top of their chosen fields. The current team consists of one developer with 10+ years of experience, specializing in Python backend development. The team will grow in 2025. Essential Skills 5+ years’ experience in a … Software Development role, with some Python experience and a track record of building robust, high-quality solutions. 1+ year in a leadership position, with a history of successfully guiding teams and projects to impactful outcomes. Experience in designing and sustaining technical solutions that pragmatically address complex, real-world business More ❯