126 to 150 of 160 Python Engineer Jobs in London

innovative ideas into production. Ensuring code quality through testing, documentation, and peer review. 🎯 What we’re looking for: 4+ years’ experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing More ❯

Role: Senior Backend Engineer (Product) Location: Hybrid - London Compensation: Up to £130,000 + equity We’re supporting a next-generation AI company developing a groundbreaking platform that automatically creates and scales immersive 3D environments. The team is bringing world-class technology from research to reality — turning complex creative workflows into seamless, intelligent systems. As a Senior Backend Engineer … product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in More ❯

Role: Senior Backend Engineer (Product) Location: Hybrid - London Compensation: Up to £130,000 + equity We’re supporting a next-generation AI company developing a groundbreaking platform that automatically creates and scales immersive 3D environments. The team is bringing world-class technology from research to reality — turning complex creative workflows into seamless, intelligent systems. As a Senior Backend Engineer … product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in More ❯

Role: Senior Backend Engineer (Product) Location: Hybrid - London Compensation: Up to £130,000 + equity We’re supporting a next-generation AI company developing a groundbreaking platform that automatically creates and scales immersive 3D environments. The team is bringing world-class technology from research to reality — turning complex creative workflows into seamless, intelligent systems. As a Senior Backend Engineer … product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in More ❯

Role: Senior Backend Engineer (Product) Location: Hybrid - London Compensation: Up to £130,000 + equity We’re supporting a next-generation AI company developing a groundbreaking platform that automatically creates and scales immersive 3D environments. The team is bringing world-class technology from research to reality — turning complex creative workflows into seamless, intelligent systems. As a Senior Backend Engineer … product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in More ❯

Senior Engineer - London - 140k - AWS - Python - Snowflake - Hybrid A leading global trading firm is seeking a Senior Engineer to join its Front Office Technology team and drive the rebuild of the E Tools US Power Analytics Platform. This high-impact role offers the chance to work side by side with traders and commercial teams to deliver a … next-generation, cloud-native analytics platform powering real-time trading decisions. Key Responsibilities: - Partner with trading and commercial teams to engineer and optimise analytical models and trading processes. - Build and maintain Python-based services, APIs, and reusable analytic components. - Design cloud-native tools and dashboards to support supply/demand modelling and market data analysis. - Collaborate with Front … Office technologists across global teams (London, Houston, Stamford) to deliver robust, scalable solutions. What You'll Bring: - Strong professional experience with Python and a deep understanding of object-oriented programming. - Advanced SQL knowledge and experience with relational databases. - Exposure to AWS and Snowflake technologies. - Strong communication skills and the ability to engage effectively with both technical and commercial stakeholders. More ❯

Senior Engineer - London - 140k - AWS - Python - Snowflake - Hybrid A leading global trading firm is seeking a Senior Engineer to join its Front Office Technology team and drive the rebuild of the E Tools US Power Analytics Platform. This high-impact role offers the chance to work side by side with traders and commercial teams to deliver a … next-generation, cloud-native analytics platform powering real-time trading decisions. Key Responsibilities: - Partner with trading and commercial teams to engineer and optimise analytical models and trading processes. - Build and maintain Python-based services, APIs, and reusable analytic components. - Design cloud-native tools and dashboards to support supply/demand modelling and market data analysis. - Collaborate with Front … Office technologists across global teams (London, Houston, Stamford) to deliver robust, scalable solutions. What You'll Bring: - Strong professional experience with Python and a deep understanding of object-oriented programming. - Advanced SQL knowledge and experience with relational databases. - Exposure to AWS and Snowflake technologies. - Strong communication skills and the ability to engage effectively with both technical and commercial stakeholders. More ❯

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity with some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA … which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the … Multicasting, TCP, etc ), messaging, and algorithms. 2+ years of experience on Linux systems. Good understanding of modern development best practices and methodologies and good knowledge of Git/GitHub. Python, including Pytest. Knowledge of capital markets exchange connectivity on stocks (Fixed Income and derivatives is a plus), including exchange protocols such as FIX and SBE. Most importantly, a drive More ❯

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity with some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA … which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the … Multicasting, TCP, etc...), messaging, and algorithms. • 2+ years of experience on Linux systems. • Good understanding of modern development best practices and methodologies and good knowledge of Git/GitHub. • Python, including Pytest. • Knowledge of capital markets exchange connectivity on stocks (fixed income and derivatives is a plus), including exchange protocols such as FIX and SBE. • Most importantly, a drive More ❯

closely with the C-Suite, who actively embrace feedback and will give you lots of freedom/autonomy. You will have real influence over the tech direction. The stack: * Python * Nuxt (Node & Vue.js) * PostgreSQL (though we prefer to use S3 and/or DynamoDB when we can) * AWS (ECS, Lambda, EventBridge, DynamoDB, S3, Aurora) * Terraform, GitHub Actions * Architecture is … team. What you'll bring to the table: * A track record of building maintainable, scalable services and systems * Significant experience (10 years plus) in Software Engineering with very strong Python skills * A natural aptitude for mentoring, for leadership and for nurturing the careers of those working with you (Associate, Mid-Level and Senior Enigneers) About the company: This is More ❯

closely with the C-Suite, who actively embrace feedback and will give you lots of freedom/autonomy. You will have real influence over the tech direction. The stack: * Python * Nuxt (Node & Vue.js) * PostgreSQL (though we prefer to use S3 and/or DynamoDB when we can) * AWS (ECS, Lambda, EventBridge, DynamoDB, S3, Aurora) * Terraform, GitHub Actions * Architecture is … team. What you'll bring to the table: * A track record of building maintainable, scalable services and systems * Significant experience (10 years plus) in Software Engineering with very strong Python skills * A natural aptitude for mentoring, for leadership and for nurturing the careers of those working with you (Associate, Mid-Level and Senior Enigneers) About the company: This is More ❯

closely with the C-Suite, who actively embrace feedback and will give you lots of freedom/autonomy. You will have real influence over the tech direction. The stack: * Python * Nuxt (Node & Vue.js) * PostgreSQL (though we prefer to use S3 and/or DynamoDB when we can) * AWS (ECS, Lambda, EventBridge, DynamoDB, S3, Aurora) * Terraform, GitHub Actions * Architecture is … team. What you'll bring to the table: * A track record of building maintainable, scalable services and systems * Significant experience (10 years plus) in Software Engineering with very strong Python skills * A natural aptitude for mentoring, for leadership and for nurturing the careers of those working with you (Associate, Mid-Level and Senior Enigneers) About the company: This is More ❯

closely with the C-Suite, who actively embrace feedback and will give you lots of freedom/autonomy. You will have real influence over the tech direction. The stack: * Python * Nuxt (Node & Vue.js) * PostgreSQL (though we prefer to use S3 and/or DynamoDB when we can) * AWS (ECS, Lambda, EventBridge, DynamoDB, S3, Aurora) * Terraform, GitHub Actions * Architecture is … team. What you'll bring to the table: * A track record of building maintainable, scalable services and systems * Significant experience (10 years plus) in Software Engineering with very strong Python skills * A natural aptitude for mentoring, for leadership and for nurturing the careers of those working with you (Associate, Mid-Level and Senior Enigneers) About the company: This is More ❯

about building great products? We're looking for mid-level and senior Backend Software Engineers to join our team. If you're enthusiastic, resourceful, and eager to work with Python and AWS , we'd love to hear from you! Now is the time more than ever to revolutionise the energy industry to ensure its stability, affordability, and sustainability. If … team! We are a dynamic team at the leading edge of technology, building and maintaining full-stack solutions across multiple business areas. On the server-side we mainly use Python, giving us access to a wide variety of libraries such as the Django framework. We stand by a serverless first approach and thus take advantage of the multitude of … ll be doing: You'll play a crucial role in the backend engineering team, helping to build full-stack cloud apps. You'll be using AWS Cloud services with Python and its frameworks such as Django on the backend. Use a Server-less first approach to application design Work in an agile team with other backend engineers and product More ❯

Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of More ❯

neutral impact through innovative technology solutions.* Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Full Stack Engineer 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 work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own More ❯

Hedge Fund PERM GCP Cloud Security Engineer - GCP, AWS, Azure, Python, Bash, IAM, Terraform, Automation Cloud Security Engineer The successful candidate will be a subject matter expert with hands-on experience in a wide range of cloud technologies, tools and methodologies. The role is suited for an experienced Cloud Engineer with focus in Google Cloud Platform … and Access Management (IAM) in GCP, including but not limited, Workload Identity Federation, IAM role usage analysis, Organizational Constraints, Cloud Identity, etc. Proficiency in software development and Scripting in Python is required. Hands-on experience in building security guardrails in GCP to allow for innovation without compromising security posture Demonstrated expertise in Infrastructure as Code tooling using Terraform Strong More ❯

About the Role: We are looking for a highly skilled Full Stack Engineer with expertise in React.js , Python (Flask/FastAPI/Django) , and Azure Cloud , who is passionate about integrating Generative AI models and optimizing modern application architectures. You will be responsible for building end-to-end intelligent systems that connect dynamic Front End interfaces with powerful … application state with Redux or Zustand . Ensure cross-browser compatibility and Front End performance optimization . Back End Development: Design and implement robust RESTful and GraphQL APIs using Python frameworks ( Flask , FastAPI , or Django ). Build and maintain secure authentication , authorization , and data processing pipelines . Integrate AI models into Back End systems to enhance product functionality. AI … reviews , testing , and documentation to ensure security , scalability , and maintainability . Required Skills & Qualifications: Front End: React.js , JavaScript (ES6+)/TypeScript , HTML5 , CSS3 , Tailwind CSS , Material-UI Back End: Python (Flask, FastAPI, Django) , RESTful/GraphQL APIs Experience with SQL and NoSQL databases (PostgreSQL, MongoDB, etc.) AI Integration: Familiarity with ONNX , TensorFlow Serving , A2A , MCP , and Generative AI models More ❯

We're seeking a highly skilled and motivated Senior Data Engineer to join our growing data team. In this role, you'll architect and maintain robust, scalable data pipelines and infrastructure that power our analytics, machine learning, and business intelligence initiatives. You'll work with cutting-edge technologies like Python, PySpark, AWS EMR, and Snowflake, and collaborate across … teams to ensure data is clean, reliable, and actionable. Responsibilities: - Build and maintain scalable ETL pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with … conduct code reviews, and foster a culture of continuous learning and knowledge-sharing Mandatory Skills Description: - 5+ years of experience in data engineering or software development - Strong proficiency in Python and PySpark - Hands-on experience with AWS services, especially EMR, S3, Lambda, and Glue - Deep understanding of Snowflake architecture and performance tuning - Solid grasp of data modeling, warehousing concepts More ❯

We're seeking a highly skilled and motivated Senior Data Engineer to join our growing data team. In this role, you'll architect and maintain robust, scalable data pipelines and infrastructure that power our analytics, machine learning, and business intelligence initiatives. You'll work with cutting-edge technologies like Python, PySpark, AWS EMR, and Snowflake, and collaborate across … teams to ensure data is clean, reliable, and actionable. Responsibilities: - Build and maintain scalable ETL pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with … conduct code reviews, and foster a culture of continuous learning and knowledge-sharing Mandatory Skills Description: - 5+ years of experience in data engineering or software development - Strong proficiency in Python and PySpark - Hands-on experience with AWS services, especially EMR, S3, Lambda, and Glue - Deep understanding of Snowflake architecture and performance tuning - Solid grasp of data modeling, warehousing concepts More ❯

We're seeking a highly skilled and motivated Senior Data Engineer to join our growing data team. In this role, you'll architect and maintain robust, scalable data pipelines and infrastructure that power our analytics, machine learning, and business intelligence initiatives. You'll work with cutting-edge technologies like Python, PySpark, AWS EMR, and Snowflake, and collaborate across … teams to ensure data is clean, reliable, and actionable. Responsibilities: - Build and maintain scalable ETL pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with … conduct code reviews, and foster a culture of continuous learning and knowledge-sharing Mandatory Skills Description: - 5+ years of experience in data engineering or software development - Strong proficiency in Python and PySpark - Hands-on experience with AWS services, especially EMR, S3, Lambda, and Glue - Deep understanding of Snowflake architecture and performance tuning - Solid grasp of data modeling, warehousing concepts More ❯

Description we are building an enterprise-grade AI/ML Data Platform that enables scalable, secure, and responsible machine learning across the firm. We are seeking a Lead Software Engineer with a strong background in software development and platform engineering to help drive the Test Engineering Programa strategic initiative focused on building robust, intelligent validation frameworks and infrastructure that … build high-performance tools and services to validate the reliability, performance, and correctness of ML data pipelines and AI infrastructure. Develop platform-level test solutions and automation frameworks using Python, Terraform, and modern cloud-native practices. Contribute to the platforms CI/CD pipeline by integrating automated testing, resilience checks, and observability hooks at every stage. Lead initiatives that … Masters degree in Computer Science, Engineering, or a related technical field. Extensive years of hands-on software development experience, including large-scale backend systems or platform engineering. Expert in Python with a strong understanding of object-oriented programming, testing frameworks, and automation libraries. Pytest/Playwright test framework Experience building or validating platform infrastructure, with hands-on knowledge of More ❯

Role:- Senior Frontend Engineer – 3D Visualization (React, WebGL, Python) Duration: 3 Months – Possible extension Location : UK- Remote Key Responsibilities: Develop a high-performance 3D brain visualization tool in the browser using WebGL and ThreeJS . Build and maintain React components to enable user interaction with different types of media (images, video, text). Integrate backend Python APIs … Skills: Strong experience with WebGL , ThreeJS , or similar 3D graphics frameworks. Proficiency in ReactJS and modern frontend development (HTML/CSS/JavaScript or TypeScript). Solid understanding of Python , particularly in the context of APIs and backend integration. Ability to work independently and drive frontend architecture decisions. Experience building interactive, visual, or media-rich web applications. Desirable (Nice More ❯

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair More ❯

Full Stack Product Software Engineer - £70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are on the hunt for … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. Huge More ❯