22 of 22 Python Software Engineer Jobs in London

Software Engineer, Python page is loaded Software Engineer, Python Apply remote type Flex/Hybrid locations London, United Kingdom Amsterdam, NL time type Full time posted on Posted 30+ Days Ago job requisition id R-4020 Job Description Building trusted markets - powered by our people. At Cboe Europe, we inspire our people to solve … diversity, equity and inclusion, giving associates a safe space to network, share ideas and create opportunities. Sound like the place for you? Join us! Cboe Europe is seeking a Python Software Engineer. As part of a small, talented development team, you will help build and expand the batch functionality of the largest equities exchange in Europe. We are … firm believers in the value of testable, maintainable code and software craftsmanship; that approach has helped us become the largest equities exchange in Europe and we need another talented individual to help us continue to innovate and lead the market. Location: Flexible hybrid schedule in either our London, UK or Amsterdam, NL office. In this role you'll be More ❯

Backend Software Engineer/Developer (Python C++ Grid Computing) London/WFH to £135k Are you a skilled backend Software Engineer with C++ and Python coding skills combined with financial trading systems experience? You could be progressing your career in a senior, hands-on Backend Software Engineer position at the Investment Management … arm of a global bank. As a Backend Software Engineer within the Grid computing team you will help to evolve a new framework for high performance grid computing to be used for large scale analytical computations including Risk. You'll collaborate closely with Quantitative Analysts, working across the full software development lifecycle with a focus on Python … backend development. Location/WFH: You'll join colleagues in the London, City office with flexibility to work from home once a week. About you: You have strong backend software engineering experience with both Python and C++ You have a good knowledge of analytics and Risk for one or more financial products You have a strong knowledge of More ❯

Sr Software Engineer - Python/FastAPI page is loaded Sr Software Engineer - Python/FastAPI Apply locations London - Shell Centre time type Full time posted on Posted Yesterday job requisition id R172555 , United Kingdom Job Family Group: Information Technology (IT) Worker Type: Regular Posting Start Date: July 31, 2025 Business unit: Projects and Technology … We develop complex data products grounded in the fundamentals of the oil market, providing innovative and often industry-first insights that support our commodities trading business. As a Senior Software Engineer with proven experience in offering technical and process guidance, as well as mentoring the team for long-term success, you'll be challenged to think and act … deliver value through your product Align with technical leaders to shape and implement Shell's strategy What you bring Have substantial experience in technical and process guidance Experience in Python FastAPI development, Spark/pySpark, Typescript/React,T-SQL/SQL/Azure SQL and other programming frameworks and paradigm Able to mix strategic and pragmatic approaches to More ❯

Senior Software Engineer (Python) -London Senior Software Engineer - Python - London/Home office The company: Through the power of AI and Big Data this company have developed a number of data driven tools and platforms aimed at delivering a transparent financial solution. Focusing purely on sustainable investment! If you want the leave the planet … ethos of this company. This group has 4 arms: A Data Provider: Assessing the performance and sustainability of companies worldwide. AI: An advisory and technology company with an AI engineer for forecasting investment opportunities Asset Management: Investment management company investing in sustainable equities They focus on R&D of AI, ML, Data, Finance and sustainability. You will be based … and other teams (Specialists, Researchers, Product owners, designers etc) Have freedom to govern your own tasks and spend time on new developments and research. The candidate: Extensive experience in Software Engineering Strong experience with Python. You have a deep understanding of system design, data structures, and algorithms. Comfortable in cloud environments Test coverage is as important as the code More ❯

Our client, a fast-growing FinTech organisation delivering innovative digital financial solutions, is seeking a highly experienced Senior Software Engineer. This is a unique opportunity to join their dynamic tech team as they prepare to launch a brand-new mobile app in September 2025. The successful candidate will spearhead Python development, becoming the first permanent Python specialist … collaborative team of Developers, Data Engineers, and Technology Experts. With a CEO who is a strong advocate of AI, experience and passion for AI technologies and their application in software development will be highly valued. Main Purpose of the Role: Lead and champion Python development within the organisation. Drive technical innovation across mobile app projects, backend development, and … AI-driven solutions. Collaborate closely with a multi-disciplinary technology team to deliver scalable, robust solutions. Key Responsibilities: Design, develop, and maintain high-quality software solutions using Python. Contribute to mobile app development, ensuring seamless integration with backend systems. Build and maintain CI/CD pipelines for efficient and secure deployments. Develop solutions on AWS cloud infrastructure, ensuring performance More ❯

A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Please note, this role is Outside IR35. The company embraces hybrid and flexible working so you will be able to work fully remotely, with occasional visits (perhaps once per month) to the office in London. Web, software, and AI-enabled technology are fundamental to the success of the business so you must have proven experience of developing great software in Python and an interest in adopting cutting-edge technology. In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and … desire to mentor a team. You will hold proven experience delivering SaaS projects in Python and will be keenly interested in AI and ML. Experience with AWS and data engineering would be advantageous to your application. In this role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. More ❯

Bloomsbury Square, London, United Kingdom Software Engineer - AI/ML/Python (Lead Level) at N Consulting Ltd Job Title: Software Engineer - AI/ML/Python (Lead Level) Location: London, United Kingdom (Hybrid - 2-3 days onsite per week) Contract Type: Contract (6 months, with extension likely) Start Date: Immediate/Within … weeks Job Description: We are seeking an experienced and highly motivated Lead Software Engineer with deep expertise in Artificial Intelligence (AI) , Machine Learning (ML) , and Python development to lead the design, development, and deployment of intelligent systems and data-driven applications for a leading client in London. The ideal candidate will have a strong background in AI …/ML frameworks, scalable system design, and Python-based development, along with leadership experience in agile teams. Key Responsibilities: Lead the architecture and development of AI/ML solutions, ensuring scalable and efficient design. Design and implement ML models and algorithms (classification, regression, NLP, etc.) using modern frameworks. Collaborate with data scientists, engineers, and product teams to transform prototypes More ❯

the right to work in the UK. This is a remote role, with occasional (eg: once every three weeks) visits to either our London or Lancaster offices. While our software team is largely remote, you are welcome to work more regularly, or even full-time, in office if preferred. About the Role We are looking for an excellent software engineer to work on multiple projects across our tech stack, supporting our product which is mobile based. You will need to have strong fundamental engineering skills and be happy working across a wide range of applications. As a Senior Engineer, you will be responsible for our AWS, Web and Desktop tech stack. This includes: Our AWS cloud … Dynamo DB, Lambda ) Various scripts and algorithms (Python) Our Microsoft Desktop App (Python) Our ASP.Net web app (.Net, C#, JS, Azure) You will interact heavily with our wider team of mobile software engineers, physicists and mathematicians who manage our mobile stack, mobile SDK and authentication algorithms. You'll play a key role in designing, developing, and maintaining More ❯

We are looking for a Software Engineer who brings technical expertise, attention to detail, and a passion for delivering high-quality software in a fast-paced technology company. The engineering team is growing to support a range of customer-facing, internal, and product-focused initiatives. The position requires a skilled software engineer with strong Python More ❯

Founding Software Engineer (Python and React) Remote (1 Week Per Month in Barcelona - Espensed) Salary: £180,000 + Benefits About the Company: Our client is a UK-based deep tech start-up specializing in AI technology. They are looking for a Full Stack Engineer to join their dynamic and rapidly expanding team. This role offers a … unique opportunity to work on cutting-edge AI systems and significantly impact the direction of a successful early-stage business. Role Overview: Key Responsibilities: AI Software Development: Develop and enhance the company's AI-based (LLM/RAG) software. System Integration: Integrate offline versions of the software into customer systems. Backend Development: Work primarily with Python to … build scalable backend systems and APIs. Minimum Qualifications & Experience: Backend Proficiency: Strong experience in Python and building scalable backend applications. API and Database Skills: Experience in creating APIs and working with PostgreSQL databases. DevOps Expertise: Hands-on experience with setting up and managing stacks on AWS or GCP. Why Join: Career Growth: Opportunity for rapid career progression in a More ❯

Research Software Engineer Location: London (Hybrid) Duration: 8 weeks initially Salary: £30 an hour (Via an umbrella company) Role Overview We are seeking a Research Software Engineer to support computational and data science projects within the Department of Earth Science and Engineering. The role involves close collaboration with researchers to develop, implement, and support high-quality … software solutions for both teaching and research. Key Responsibilities Collaborate with researchers to deliver data-driven and computational research solutions. Manage technical projects, including requirements gathering, planning, and risk management. Define and promote software development best practices (testing, CI/CD, version control). Design and deploy scalable software systems with monitoring in mind. Apply high-performance … research students and contribute to the department's technical strategy. Engage with academic and technical stakeholders across the College. Person Specification Essential: Postgraduate qualification or equivalent experience in research software development Experience collaborating on research or computational projects Proficient in at least two research programming languages (e.g. Python, C++, R, Fortran, Matlab) Full software development lifecycle experience More ❯

Research Software Engineer Location: London (Hybrid) Duration: 8 weeks initially Salary: £30 an hour (Via an umbrella company) Role Overview We are seeking a Research Software Engineer to support computational and data science projects within the Department of Earth Science and Engineering. The role involves close collaboration with researchers to develop, implement, and support high-quality … software solutions for both teaching and research. Key Responsibilities Collaborate with researchers to deliver data-driven and computational research solutions. Manage technical projects, including requirements gathering, planning, and risk management. Define and promote software development best practices (testing, CI/CD, version control). Design and deploy scalable software systems with monitoring in mind. Apply high-performance … research students and contribute to the department's technical strategy. Engage with academic and technical stakeholders across the College. Person Specification Essential: Postgraduate qualification or equivalent experience in research software development Experience collaborating on research or computational projects Proficient in at least two research programming languages (e.g. Python, C++, R, Fortran, Matlab) Full software development lifecycle experience More ❯

developing our data collection and visualisation technology . The role will provide you will a high level of autonomy and project ownership. What you will do as a Graduate Python Software Engineer at Bolt6: Develop and maintain APIs to provide real-time data to applications Develop web applications to visualise data for coaching and broadcasting purposes Design … and easy to use user interfaces What we are looking for: Required attributes: Bachelor's or Master's degree in Computer Science, Engineering, or related field Experience programming in Python Understanding of Restful APIs Proficient using Git version control Strong problem-solving abilities and communication skills Desirable skills: Experience in UI development e.g. HTML/CSS/JS or … Javascript frameworks such as React Experience with a messaging framework, e.g. NATS, RabbitMQ Experience working in and configuring cloud environments (e.g. AWS, Azure, GCP) Experience working with software containers (Docker, Podman) and container orchestration tools such as Kubernetes or Docker Swarm Personal attributes: Flexible self starter with initiative and the ability to pick up and develop projects independently Intellectually More ❯

Together, we're driving digital transformation, maximizing ROI for clients, and contributing to achieving net-zero emissions through technology and data-driven insights. What you'll do As a software engineer in platform development you will be part of a team responsible for the development of the API and database layer, effectively doing the 'bookkeeping' for the entire … of ownership and a strong focus on quality. Your responsibilities will include, but are not limited to the following: Collaborate with cross-functional teams to gather requirements and design software solutions aligned with business objectives and user needs. Develop and maintain high-quality software using Python, ensuring code efficiency, reliability, scalability, and security. Implement new features and … enhancements to existing software systems, considering the impact on system design and performance. Troubleshoot and resolve software defects, working closely with the QA team to deliver bug-free software. Conduct thorough code reviews, providing constructive feedback to maintain code quality and adherence to coding standards. Write clear technical documentation for peers and internal users to facilitate understanding and More ❯

Cloud Engineering Team looks after the on-prem IT infrastructure. The primary function of this position will be to take responsibility for the successful development, management and maintenance of software services to ensure that the production services perform effectively, while maintaining a high level of internal customer satisfaction. This includes developing, maintaining, supporting, and optimizing key functional areas, particularly … internal applications and servers in a hybrid infrastructure. You will develop, troubleshoot and resolve software and process problems in a timely and effective fashion. This is a rare and exciting opportunity to be an early employee at a start-up shaping the future of quantum computing, and in particular to form a new team within the company. There are … vast opportunities for professional growth and to make an impact within the company. As a Senior Software Engineer , the position will suit someone who has a strong software background and problem-solving mindset, demonstrates critical-thinking and passion for automating tasks. Due to the nature of hybrid infrastructure, some tasks may require to be on site. Our More ❯

balanced with team spirit and adaptability. When priorities shift, we adjust together, always keeping customer satisfaction at the center of what we do. We are looking for a Senior Python Engineer to develop and maintain web applications using Python and Flask. You will work on building scalable, high-performance web applications with a focus on backend technologies. … an environment that values collaboration and customer happiness above all, you'll find yourself at home on our team. Key Responsibilities Develop and maintain high-traffic, distributed applications using Python, Flask, Cloud technologies, relational and NoSQL databases Design and implement RESTful APIs and integrate with third-party services Design, implement and maintain high-availability data pipelines (ETL) Break down … with Product and Design in creating high-impact features Propose and participate in team processes improvements Proactively mentor other engineers Skills and Qualifications 5+ years of experience as a Python backend developer Expert knowledge of Python and its main frameworks Experience in building and deploying high-traffic distributed web applications Extensive experience with Git, CI/CD pipelines More ❯

About this role We are seeking a talented software engineer who deeply proficient with python to join our dynamic and growing team at Writer. As a key member of our engineering team, you will play a crucial role in building the genAI software. Your primary focus will be on developing a state-of-the-art platform that … that enhance the user experience, drive product growth, establish best practices, and integrate cutting-edge AI capabilities. ️ Your responsibilities Design and develop robust and scalable generative AI services using Python and open source frameworks such as Writer Agent Builder, LangChain, and n8n. Implement responsive and user-friendly frontend interfaces, leveraging technologies like React, TypeScript, and modern web frameworks. Work … continuous integration. Participate in architectural design discussions and promote engineering best practices. Continuously improve the application's performance, scalability, and maintainability. ️ Is This You? 5+ years of experience in software engineering at expert level with Python. Experience building with generative AI applications in production environments. Expertise with microservices architecture and RESTful APIs. Solid understanding of database technologies such as More ❯

1x Backend Python - Mid-level Software Engineer Contilio 3D AI is a fast-growing, AI-first SaaS scaleup based in London, UK. We have built and scaled the world's first 3D AI analytics & insights platform for the largest industry on earth, construction . Our cutting-edge software, for the first time, automates quality verification, manufacturing … given 40% of the world's CO2 originates from the $15Tn Construction industry! To fulfil this vision, we are looking to add a smart,ambitious andtechnically exceptional " Mid-LevelSoftware Engineer" to our team. In this role, you will be developing and deploying the next version of Contilio's cutting-edge 3D AI platform. Working in an agile manner, you … we are able to sponsor exceptional candidates. This is a hybrid role with 2days/weekin our cool London Shoreditch office. What you will be doing: Develop and deploykey software features E2E, including: Requirments specification Implementing and testing backend, analytics engine, database and integrations Cloud deployment and performance optimization Tracking development and product KPIs Participatingin and contributing tocode reviews More ❯

Lead Software Development Engineer in Test (Java/Python) London, England, United Kingdom Who we are: For over 20 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world's most highly regulated firms, giving … other, completely free of barriers. We encourage you to apply if your qualifications and experience are a good fit for any of our openings. Your role: As a Lead Software Development Engineer in Test (SDET), you oversee testing resources on a small, highly focused team responsible for delivery of highly scalable and robust services within Global Relay's … years of experience leading a small team Strong understanding of the Java language and object oriented principles Expertise applying test practices in an agile environment Experience in working with Python Experience with unit testing frameworks such as JUnit Experience testing backend systems or APIs Experience with any of the following is an asset: Testing performance with JMeter or similar More ❯

at the full picture - what you earn, how you spend, and what's left at the end. On the B2B side, we have Render. Render is our award-winning software-as-a-service platform that allows Abound to make better, less risky lending decisions. And less risky decisions mean we can offer customers better rates than they can usually … from high-street banks to other fintechs, can offer affordable credit to their customers. We're looking for an experienced individual to join us in the role of Senior Python Engineer. This position requires an enthusiasm for exploring and understanding new business areas. We maintain a culture of ownership and value engineers that are excited about the business, and … automation. At Abound, you will work on the best-in-class open-banking decision making platform, and learn how a operate with low-latency, at scale. Our technology stack: Python (including FastAPI, OpenTelemetry, procrastinate, SQLAlchemy, Uvicorn), Postgres, MySQL, Liquibase, Retool, Docker, AWS Who you are: Three or more years professional experience in software engineering Proficiency in writing well More ❯

engineers. Promote best practices and foster a high-performance, collaborative culture. Project Delivery: Oversee sprint planning and delivery cycles. Ensure on-time delivery of scalable, secure, and high-quality software solutions. Product Collaboration: Work closely with Product Managers and Regulatory Experts to align engineering output with business goals. Technical Engagement: Participate in code reviews, architecture planning, and solution design. More ❯

significant organic and inorganic growth, we have ambitious plans to innovate and scale our operations further. We work with some great technology; our stack consists of a number of Python-based (micro-)services with React frontend, currently running on the Google Cloud Platform (GCP). You'll work on multiple services used by the people working in our warehouses … with a track record of successfully developing and deploying web applications. Have a minimum of 5 years of relevant experience in full-stack development is required. Have Proficiency in Python for server-side development. Have Knowledge of React for front-end development and experience with relational databases (e.g., PostgreSQL, MySQL) and writing efficient SQL queries. Love to collaborate and More ❯