25 of 25 Senior Python Developer Jobs in London

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 ❯

Senior Python Developer - Python, Java, Django, Flask, AWS, S3, Lambda, Step Functions, Investment Management, Portfolio Management, IBOR, Simcorp A Senior Python Developer with a background in either Investment Management or Investment Banking is sought after by a global Tier 1 Investment Manager based … strategic service which will hold both ongoing and historic transactions to be easily accessible by Portfolio Managers, Corporate Action Teams and Reconciliations. As a Senior Engineer, you will act as a Technical Lead for the team, driving development of both the new platform and associated AWS infrastructure, whilst also … acting as a mentor/coach for more junior colleagues. To be successful, you will demonstrate: Strong hands-on development skills in Python, having previously worked on enterprise financial systems that manage and process large data volumes Excellent experience working with AWS cloud infrastructure, particularly Lambda, S3 Buckets, Step 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 Software Developer (PYTHON/AWS/REACT). They are … 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 ❯

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 May 2025. Only … 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 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 May 2025. Only … 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 Software Developer – London *Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship* A senior python software developer is required for an exciting and innovative Software sports betting company based in London. The successful candidates will be … computer scientists and trading analysts at the top of their chosen fields. Essential Skills 5+ years’ experience in a Software Development role, with solid Python expertise and a track record of building robust, high-quality solutions. Experience in designing and sustaining technical solutions that pragmatically address complex, real-world … the team. Lead architecture decisions that align with company’s standards and ensure these are well understood across the team. Core Tech Stack Languages: Python (Python 3.10+), JavaScript and TypeScript for frontend Tools: RabbitMQ and ZeroMQ for messaging; PostgreSQL for data storage; Websockets for frontend communication Environment: Linux More ❯

Senior Python Developer 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 diverse, challenging role in a talented team where youll be responsible for … developing scalable, high quality backend software products and mentoring junior developers Essential: Strong experience in Python backend development (Flask, FastAPI, or similar) Proven ability to design and build REST APIs. Experience with Cloud Functions and Cloud Runs Proficiency with containerisation tools like Docker/Kubernetes Experience with CI/ More ❯

Senior Backend Developer (Python/Flask) - London/Remote - £80,000 We are exclusively working with our client who are an award winning global consultancy, they are looking to hire a Senior Backend Developer to work within their Digital team. The Digital Team operates like … and platform engineers. They have several projects, including a new greenfield project in which you will play a key part in working on their Python backend services, using Flask. Their tech stack: ▪ Python 3 (Flask/FastAPI), Golang, Postgres ▪ Docker, Kubernetes ▪ GitHub Enterprise Cloud, Slack, Google Cloud Platform … Datadog Requirements: - Python developer with 3+ years commercial experience - Experience building modern web applications, preference is REST APIs - Fluent in GIT - Comfortable working on the command line They are based in London but the role is remote, the business breathes flexibility and autonomy and is extremely passionate about More ❯

Senior Backend Developer (Python/Flask) - London/Remote - £80,000 We are exclusively working with our client who are an award winning global consultancy, they are looking to hire a Senior Backend Developer to work within their Digital team. The Digital Team operates like … and platform engineers. They have several projects, including a new greenfield project in which you will play a key part in working on their Python backend services, using Flask. Their tech stack: ▪ Python 3 (Flask/FastAPI), Golang, Postgres ▪ Docker, Kubernetes ▪ GitHub Enterprise Cloud, Slack, Google Cloud Platform … Datadog Requirements: - Python developer with 3+ years commercial experience - Experience building modern web applications, preference is REST APIs - Fluent in GIT - Comfortable working on the command line They are based in London but the role is remote, the business breathes flexibility and autonomy and is extremely passionate about More ❯

Senior Backend Developer (Python/Flask) - London/Remote - £80,000🚀 We are exclusively working with our client who are an award winning global consultancy, they are looking to hire a Senior Backend Developer to work within their Digital team. The Digital Team operates like … and platform engineers. They have several projects, including a new greenfield project in which you will play a key part in working on their Python backend services, using Flask. Their tech stack: ▪ Python 3 (Flask/FastAPI), Golang, Postgres ▪ Docker, Kubernetes ▪ GitHub Enterprise Cloud, Slack, Google Cloud Platform … Datadog Requirements: - Python developer with 3+ years commercial experience - Experience building modern web applications, preference is REST APIs - Fluent in GIT - Comfortable working on the command line They are based in London but the role is remote, the business breathes flexibility and autonomy and is extremely passionate about More ❯

Senior Backend Developer (Python/Flask) - London/Remote - £80,000🚀 We are exclusively working with our client who are an award winning global consultancy, they are looking to hire a Senior Backend Developer to work within their Digital team. The Digital Team operates like … and platform engineers. They have several projects, including a new greenfield project in which you will play a key part in working on their Python backend services, using Flask. Their tech stack: ▪ Python 3 (Flask/FastAPI), Golang, Postgres ▪ Docker, Kubernetes ▪ GitHub Enterprise Cloud, Slack, Google Cloud Platform … Datadog Requirements: - Python developer with 3+ years commercial experience - Experience building modern web applications, preference is REST APIs - Fluent in GIT - Comfortable working on the command line They are based in London but the role is remote, the business breathes flexibility and autonomy and is extremely passionate about More ❯

Senior Backend Developer (Python/Flask) - London/Remote - £80,000🚀 We are exclusively working with our client who are an award winning global consultancy, they are looking to hire a Senior Backend Developer to work within their Digital team. The Digital Team operates like … and platform engineers. They have several projects, including a new greenfield project in which you will play a key part in working on their Python backend services, using Flask. Their tech stack: ▪ Python 3 (Flask/FastAPI), Golang, Postgres ▪ Docker, Kubernetes ▪ GitHub Enterprise Cloud, Slack, Google Cloud Platform … Datadog Requirements: - Python developer with 3+ years commercial experience - Experience building modern web applications, preference is REST APIs - Fluent in GIT - Comfortable working on the command line They are based in London but the role is remote, the business breathes flexibility and autonomy and is extremely passionate about More ❯

Senior Backend Developer (Python/Flask) - London/Remote - £80,000🚀 We are exclusively working with our client who are an award winning global consultancy, they are looking to hire a Senior Backend Developer to work within their Digital team. The Digital Team operates like … and platform engineers. They have several projects, including a new greenfield project in which you will play a key part in working on their Python backend services, using Flask. Their tech stack: ▪ Python 3 (Flask/FastAPI), Golang, Postgres ▪ Docker, Kubernetes ▪ GitHub Enterprise Cloud, Slack, Google Cloud Platform … Datadog Requirements: - Python developer with 3+ years commercial experience - Experience building modern web applications, preference is REST APIs - Fluent in GIT - Comfortable working on the command line They are based in London but the role is remote, the business breathes flexibility and autonomy and is extremely passionate about More ❯

funds, Asset Managers, listed Corporates, high-growth tech companies and many more. Learn more about why we do what we do here. The role: Senior Python Developer Join our dynamic and growing team as a Senior Python Developer, where you'll play a pivotal … reporting, currently built in TypeScript and server-side in Python3. Job requirements What we’re looking for: Requirements STEM Degree Very strong experience with Python Experience with Fullstack Development – using JavaScript & React Experience with PostgreSQL/other SQL Databases Desirable skills: Experience with Flask or similar framework Experience with … skills, learn best practices, and grow professionally. Communicating effectively with stakeholders to understand requirements and provide updates on project progress. Optimising the performance of Python applications, identifying bottlenecks and inefficiencies and implementing solutions to improve scalability, responsiveness, and efficiency. Staying updated on the latest trends, technologies, and best practices More ❯

Job Description 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 … 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 Software Developer – London *Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship* A couple of Senior Python Software Developers are required for an exciting and innovative Software sports betting company based in London. The successful candidates will … the freedom to choose the tools and technologies that fit each problem best, but here’s a snapshot of what the company currently uses: Python 3.10+ for most of their development. C and Go for high-performance systems where needed. Linux servers. PostgreSQL for data storage. ZeroMQ and RabbitMQ … front ends for internal tools. Benefits: Working alongside other extremely talented and driven engineers Extremely lucrative salary, bonus up to 30% and benefits Greenfield Python work, both challenging and rewarding Send your CV for immediately review and further details. More ❯

Salary: Up to £90,000 per annum + Equity Location: London (Farringdon), Hybrid in office 2 days a month We are seeking a talented Python Developer to join a pioneering AI start up automating the legal side of property transactions worldwide. Our mission is to leverage the latest … in Generative AI and Large Language Models, placing us at the forefront of advanced technology in this field. As a Senior Python Developer, you’ll own the end-to-end development of new features, collaborating with cross-functional teams and contributing directly to a product that transforms … the way property is transacted globally. Ideal candidates will have: 4+ years of proven experience in Python, with experience in FastAPI and SQLAlchemy. Strong infrastructure skills using Terraform and familiarity with cloud services (especially Azure). Expertise in CI/CD, automated testing, and scaling applications. Excellent teamwork skills More ❯

Senior Backend Developer (Python, Django, Industrial Automation) | £60,000- £70,000 (DOE) | Uxbridge | Fully on-site Our client uses AI and ML to develop custom AI solutions,automate processes and enhance data analytics across various industries. They need someone to join their team that'll be responsible … product. You'll be working on software immediately following an R&D phase, so you'll be there at the start of implimentation. Requirements: Python (Django) 3+years of experience Machine learning/AI background Experience with assisted queries Open Platform Communications Architecture, an understanding of industrial automation systems Ideal … This is a fully onsite role, moving to 3 days in office after around six months. Does this sound of interest, please apply below! Senior Backend Developer (Python, Django, Industrial Automation) | £60,000- £70,000 (DOE) | Uxbridge| Fully on-site Oscar Associates (UK) Limited is acting as More ❯

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 with agile methodologies and DevOps practices Strong problem-solving skills and attention to detail Interested? Apply now More ❯

Miryco Consultants is working with an entrepreneurial, high-growth FinTech. The role will suit an experienced Developer with a minimum of 5 years' experience using Python. Our client are looking for an experienced developer to help the Future Development team. This role will be someone who can build … up into a senior developer that can manage their own development team to build out one of the tools that we are trying to deliver. They will also be able to provide some insights into the typical best-practices for how development teams operate. Responsibilities: Getting up to … and helping to design work to contribute to the success of the product offering. Essential experience: Minimum 5 years’ experience working as a software developer in a commercial environment Strong python programming experience Ability to effectively share knowledge of development experience and help junior developers continue to improve More ❯

directly with Google as both a partner and customer of ours we are now looking to scale our development team. The Role As a Senior Software Engineer, we are looking for an experienced developer who understands Python to work on our customers environments and help build their … brands by leveraging AI & Data. You can expect a variety of Python based work with our customers as well as guaranteed cloud exposure in all projects. - All of our customers utilise the cloud (GCP) but we will take anyone with AWS/Azure experience. Experience We Are Looking For … Proficiency in Python programming, including scalable, maintainable, and test-driven development Frameworks: Flask/Django Cloud technologies, we use GCP but open to AWS/Azure. Any experience with IaC is a nice to have. This is a hybrid role, the team currently works 2 days a week in More ❯

Hedge Fund - Senior C++ Quant Developer - Equities - Linux - Python - Data/Algos/Low latency Hedge Fund background essential C++ (Version 11 upwards), Linux, Python (nice to have). Trading systems experience - ideally experience working in the equities space. Ideally the technical has experience with algo … implementation. Quantitative Developer - Equities Technology We are in search of a Quantitative Developer to join our team who is passionate about designing, architecting, and implementing low latency C++ systems that are not only robust, resilient, and accurate, but also exceptionally fast. Our team works directly with the firm … s central trading teams. By constructing and maintaining this high-performance infrastructure used by these teams, this developer will enable new trading opportunities across businesses and regions, allowing the best possible execution performance. Job Duties Development of execution algorithms, order management systems, strategy containers, connectivity, and messaging systems. Work More ❯

Senior React/Python/AWS Developer. Full Stack. £140,000 + 10% guaranteed bonus and Benefits. Investment Management. Fixed Income. London Hybrid 2 Days in the office. My client is a top tier Fixed Income Asset Management house that is looking for a strong Senior Full … stack React/Python/AWS Software Engineer with front office experience, ideally in Fixed Income. The Fixed Income Risk technology team is looking for an accomplished Software Engineer in building a suite of next-generation n-tier, native cloud enabled applications. In this role, you will be part … from a leading university. 5+ years of software engineering experience and building cloud-native architectures Strong knowledge in programming language(s) – including JavaScript and Python Good knowledge of web-based UI development and visualisation of large and complex data sets using JavaScript, ReactJS and related technology Strong knowledge of More ❯

Senior Developer. Fixed Income Attribution. Front office. Python/Java/AWS. £140,000 + 10% Guaranteed Bonus + Benefits. Hybrid 2 Days a week central London. My client is a top tier Fixed Income Asset Management house. Their Front Office technology team is looking for an accomplished … Senior Software Engineer in building a suite of next-generation n-tier, native cloud-based applications. In this role, you will be part of the Fixed Income Front Office software engineering team whose mission is to enhance and develop new capabilities needed by our Portfolio Managers, Analysts and Quants … Physics from a leading university. 5+ years of progressive software engineering experience Expert knowledge in one or more general-purpose programming languages (e.g., Java, Python) and related popular libraries Experience in building containerized applications and deploying to cloud infrastructure such as Amazon Web Services (AWS), Microsoft Azure, or similar More ❯

Job Description Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. … software developers on a very large strategic consulting engagement. Must be 100% trustworthy with real integrity - this is a highly sensitive project. Key skills Python Machine Learning ideally Terraform Go programming language If you are excellent with developing software with C++ and/or C# etc... then you can More ❯