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    Senior Python Backend Engineer Remote iGaming APIs

    Burns Sheehan is seeking a Senior Software Engineer to join a rapidly scaling iGaming platform as a technical anchor for the backend team. This remote-first position requires strong backend engineering experience, particularly in Python, along with a proven ability in building production-grade APIs. The role inv ...

    Senior SRE AVP Python, Cloud, SecDB (London)

    Adroit People Limited (UK) is seeking an Assistant Vice President, Site Reliability Engineer based in London. The ideal candidate will have a minimum of 8 years experience in site reliability engineering, with a strong background in managing Python-based applications and exposure to cloud technologies. This role ...

    Senior Python Engineer Insurance Pricing Platform (Hybrid)

    Travelers Europe is seeking a Software Engineer in Greater London to enhance the hx Renew platform, a pricing decision intelligence tool. The role involves collaboration, mentoring junior engineers, and addressing complex engineering challenges. Successful candidates will bring strong programming skills, particu ...

    Senior Python/Django Engineer (Django REST & Vue.js)

    Roc Search is seeking a Senior Software Developer in Melksham, UK, to join their development team. The role focuses on leading the development of core backend systems and involves designing, building, and maintaining web applications with a strong emphasis on Python and Django. Ideal candidates should have prove ...

    Senior Python Backend Engineer AI Sports Analytics

    Explore Group is partnering with a scaling start-up to hire an experienced Python Developer in Greater London. This role involves designing and building innovative products, shaping architecture, and contributing to technical decisions. The ideal candidate has over 4 years of experience in software development, ...

    Senior Python/Django Backend Engineer — AI Pricing

    Sanderson is seeking a Senior Django/Python Developer for a 6-month contract in Greater London. The role involves developing backend services for an AI-driven Smart Pricing program supporting a leading UK retailer. You will work closely with engineers and data scientists in an agile environment. Strong experienc ...

    Senior Data Scientist (Python & SQL) — Project Based

    Mindrift in Glasgow, UK, is seeking Data Science specialists for project-based opportunities. Contributors will design computational problems that simulate real-world analytical workflows across various industries. With a focus on Python programming and statistical analysis, candidates should have over 5 years o ...

    Senior Python Engineer Demo Data Automation (Flexible)

    Global Relay is seeking a Senior Python Software Developer in Greater London to join a dynamic team. In this role, you'll write Python and PowerShell scripts, automate demo data injections, and work closely with cross-functional teams for seamless software delivery. You need over 5 years of Python and 3 years of ...

    Senior Python Data Platform Engineer Asset Management

    JPMorganChase is seeking a technology professional to design and deliver innovative solutions impacting Asset & Wealth Management. In this role, you will develop secure code, automate recurring issues, and lead evaluation sessions across teams. The position requires cloud analytics experience, advanced programmi ...

    Senior Python Backend Engineer – GCP & FastAPI, Hybrid

    Client Server is seeking a Python Software Engineer / Developer to join their team in Central London with the option for hybrid work. This role offers a competitive salary of up to £100k, joining a well-funded FinTech start-up that is focused on enhancing its core banking platform. The ideal candidate will have ...

    Senior Software Engineer with Python and Java

    Senior Software Engineer with Python and Java Our Client is looking to recruit a brilliant Software Engineer with upwards of 5 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We’re looking to recruit initia ...

    Senior Platform Engineer AWS & Python (Hybrid London)

    Client Server in London is seeking a Platform Engineer with expertise in AWS and Python. This senior role offers substantial influence over infrastructure and includes responsibilities in designing, implementing, and maintaining AWS services. You will lead initiatives such as database migration and security impr ...

    Senior Python ML Engineer Automation & Data Infra

    mthree is seeking a Senior Engineer in Glasgow to lead innovations in data protection and workload automation. You will design scalable systems, leverage machine learning for backup optimization, and develop robust REST APIs tailored for users. Ideal candidates have mastery in Python, experience with distributed ...

    Senior Software Engineer, Trading Systems (C++/Python)

    DRW in Greater London is seeking a Software Engineer for the Cumberland Systematic team. This position involves designing and developing full-stack solutions for a global trading operation, focusing on high-frequency trading strategies. Ideal candidates will have extensive experience in C++ and Python, with a st ...

    Senior eFX Quant Trader with ML & Python

    UBS is looking for a full-time FX Trader in London to enhance their electronic FX Trading systems. The role involves generating improvement ideas, developing models in Python, and monitoring system performance. Candidates should have a Master's in a relevant field, at least 5 years of experience in systematic tr ...

    Senior Python Engineer (6 Month Contract, Europe)

    A recruiting firm is seeking a Senior Python Developer with 5 to 8 years of experience in software development. The role requires excellent skills in Python, back-end architecture design, and the ability to troubleshoot existing applications. Familiarity with Docker, Django, and MongoDB is a plus. This position ...

    Senior Python Engineer Front Office Trading Systems

    Radley James is looking for a skilled software engineer to design and deliver high-performance technology solutions supporting Front Office Sales teams. You will develop scalable systems in a fast-paced environment and collaborate with various stakeholders. The ideal candidate has over 5 years of Python experien ...

    Senior Python Engineer: AI Code Migration (Remote)

    Mindrift is looking for a Senior Python Developer in Manchester to create functional black-box tests for AI projects. Candidates should have over 5 years of experience mainly in Python, expert Docker skills, and strong Linux knowledge. You will manage Docker environments, monitor code coverage, and leverage LLM ...

    Senior Python Engineer: AI Code Migration (Remote)

    Mindrift is looking for a Senior Python developer with extensive functional testing experience to work on innovative AI projects. This flexible, freelance role supports remote work with opportunities to earn up to $50 per hour. Successful candidates will have 5+ years in software engineering, deep Docker and Lin ...

    Senior Python Engineer – AWS, Terraform | Hybrid London

    Oliver Bernard is seeking a Senior Python Engineer in London to design, build, and maintain backend services in a hybrid cloud environment involving AWS and Terraform. The role includes developing CI/CD pipelines and collaborating with cross-functional teams. Ideal candidates will have extensive experience with ...

    Senior Lead Software Engineer Python & Java (FrontOffice)

    TwinThread is seeking a Senior Lead Software Engineer with a strong background in Python and Java, located in London, UK. In this role, you'll be involved in developing crucial technology solutions in collaboration with the QES team, enhancing and delivering market-leading products. The ideal candidate ...

    Senior Python AI Engineer – Real Time Recommendations

    Gazelle Global is hiring a Senior Python Engineer based in Greater London. This role involves building and evolving AI-powered services, focusing on improving the quality and relevance of an AI Stylist product. You'll collaborate with engineers, data scientists, and product stakeholders to enhance the system. Es ...

    Senior Python Engineer Data Pipelines & AWS (Edinburgh)

    Stars Arena is seeking a Senior Python Engineer located in Edinburgh, United Kingdom, to lead software engineering initiatives and build data pipelines. The ideal candidate should have extensive programming experience in Python and strong knowledge of Amazon AWS. This full-time role offers an opportunity for own ...

    Senior Python Data Engineer — AdTech & Data Platforms

    GroupM is seeking an experienced professional focused on developing and operating data-oriented solutions. Candidates should possess proven experience in AdTech technology, with strong expertise in Python and proficiency in SQL. Familiarity with tools and technologies including Airflow, Kafka, Snowflake, BigQuer ...

    Senior Python Engineer for AI Training (Remote)

    Prolific is hiring Senior Python Developers to join their Expert Network, focusing on training and evaluating cutting-edge AI models. Ideal candidates will have a BSc in Computer Science or a related field, extensive experience in Python, and will be responsible for reviewing AI-generated code, validating logic, ...

    Senior Python Systems Engineer Remote Functional Testing

    Mindrift is seeking a Senior Python Developer with over 5 years of experience, proficient in functional testing and Docker. Responsibilities include creating black-box tests for diverse codebases, managing Docker environments for reproducibility, and utilizing LLMs to improve code quality. This freelance role al ...

    Senior Backend Engineer (Go/Python) – Data Pipelines

    Renesas Electronics Corporation is looking for a Back-End Engineer in Cambridge to design and maintain systems and data pipelines for Octopart. The role involves deep technical challenges and high autonomy, with strong collaboration needed. Candidates should have over 5 years of web service development experienc ...

    Senior Python Tools Engineer — TDD & Scalable Tooling

    Stars Arena is looking for a Senior Tools Software Engineer based in London, United Kingdom. The ideal candidate must possess proficiency in Python programming, focusing on scalable, maintainable, and test-driven development. This full-time role involves effective communication with team stakeholders and ensu ...

    Senior Backend Engineer: Scalable Python APIs Lead

    Deepstreamtech is seeking an experienced Senior Software Engineer (Backend) in Greater London to lead the development of their in-house Charge Point Management System (CPMS) and customer-facing applications. The role involves enhancing existing platforms, designing scalable applications using Python and FastAPI, ...

    Senior UI Infrastructure Engineer (C++/Python tooling)

    Roku, Inc. in Cambridge, UK is seeking a Senior Software Engineer to develop core features for its UI infrastructure. This role requires extensive experience with C++ and Python, alongside a strong ability to contribute to embedded UI framework development. You will collaborate closely with system architects ...

    Senior LNG Quant Analyst — Python, SQL, Modeling

    Senior LNG Analyst (Permanent) London, UnitedKingdom Posted 9 months ago Petroineos Trading Limited Technical Skills Python SQL Analyst Requirements Knowledge of stochastic modelling techniques such as sen ...

    Senior Software Engineer Python, TypeScript and AWS

    Applications processed via employer's online application form We are Liberty IT: industry leaders in digital innovation.Liberty IT is part of Libe... Senior Software Engineer - Python, TypeScript and AWS Overview Reach beyond with Liberty IT; for this is where you’ll find the super c ...

    Senior Software Engineer: Python/Django & TypeScript Architect

    Java Script Works in London is seeking a Senior Software Engineer to design, develop, and maintain robust software solutions using Python and TypeScript. The role involves optimizing existing systems through performance tuning and code refactoring. This full-time position offers competitive compensation and requ ...

    Senior SDET Ad Feature Automation (Python) Hybrid

    Roku, Inc. in Cambridge, England is seeking an experienced Software Development Engineer in Test to own quality assurance for ad features on the Roku platform. The role includes collaboration on feature testing, automation strategy, and enhancing customer experience. Candidates should have over 5 years of softwa ...

    Senior Python Engineer: GCP & FastAPI | Hybrid/London

    Client Server is seeking a Senior Software Engineer with expertise in Python and GCP in London. You will join a talented team to enhance the core banking platform and tackle new projects. The role offers the flexibility to work from home twice a week in a hybrid model and a competitive salary of up to ...

    Senior Automation Engineer (Python, LLM, Spark, ETL)

    Role Overview We are seeking a highly skilled Senior Automation Engineer with expertise in Python, Large Language Models (LLMs), Spark, and ETL development. The role focuses on building intelligent automation solutions, scalable data pipelines, and integrating AI capabilities into en ...

    Senior Python Backend Engineer — Fast, Scalable Delivery

    A leading retail company in Greater London is looking for a Software Development Engineer III to take on a senior engineering role. You'll be responsible for shipping backend services and working closely with front end and data science teams to deliver exceptional customer outcomes. The ideal candidate has a str ...

    Senior Python Backend Engineer — Front Office Platform

    A leading financial services recruitment agency is seeking an experienced Python Engineer to contribute to a front office-facing platform within a tier-one investment bank. This role involves building backend services in Python, working on data-intensive workflows, and improving system design. Candidates should ...

    Senior Python Engineer AI Driven Engineering Tools

    A leading technology company in the UK is looking for a Senior Software Engineer to join their Engineering Methods & Tools team. The role involves leading software development, designing and maintaining Python-based applications, integrating AI components, and collaborating with multidisciplinary teams. The idea ...

    Senior Python Backend Engineer — AI Forward & Scalable

    A leading retail company in London seeks a Software Development Engineer III to drive high-quality backend service deliveries. This role combines end-to-end product ownership while integrating deeply with existing systems. Candidates should have extensive experience in Python, Fast API, and cloud technologies. Y ...

    Senior SDET (Python) – AI Powered Test Architect

    A leading streaming platform in Cambridge is looking for a Senior Software Engineer (SDET) to enhance the test architecture and automation systems. The ideal candidate should have over 5 years of experience in test automation design, proficiency in Python, and the ability to drive quality initiatives. You will i ...

    Senior Python Engineer Real Time Data & Observability

    A software company in London seeks a Senior Developer to enhance their engineering team. This role centers on building data integrations, developing low-latency feeds, and ensuring system reliability. Ideal candidates have a strong background in Python and experience with web-scraping techniques. Applicants shou ...

    Hybrid Senior Software Engineer Python/Django, Cloud

    A leading sustainability-focused organization in Birmingham is seeking a Senior Software Engineer to develop scalable software solutions and lead a delivery team. The ideal candidate will have strong expertise in Python and JavaScript, with experience in cloud environments like AWS or Azure. Responsibilities inc ...

    Senior Quant Risk Analyst — Python & R Modelling

    A leading global financial markets organization in Greater London is seeking a Senior Associate to join their Quant team. The role focuses on developing quantitative analysis and risk management solutions, requiring strong programming skills in Python and R, along with experience in financial risk management. Re ...

    Senior Credit Risk Analyst — Fintech, Python/SQL

    A leading fintech company in Greater London is seeking a Senior Credit Risk Analyst to drive meaningful change in consumer finance products. The ideal candidate will have strong coding skills in Python and SQL, as well as experience in credit risk strategy. This full-time position involves optimizing lending dec ...

    Senior Python Engineer – Global FinTech Backend (Hybrid)

    Grid Dynamics Holdings is looking for experienced engineers in the Greater London area. The successful candidate will be primarily a Python developer with a strong background in developing global-scale software systems for financial institutions. Responsibilities include building complex systems, developing back ...

    Senior Operational Analyst Python Modeling & Power BI

    An established industry player is seeking a Senior Analyst to enhance their operational analysis capabilities. This role offers a unique opportunity to work within a dynamic team, delivering high-impact services to senior-level clients in the UK Defence sector. The ideal candidate will leverage their Python prog ...

    Senior Python & AWS ML Engineer Production Systems

    A leading financial services firm is seeking a Senior Software Engineer to engineer and deploy innovative machine learning solutions. The role involves collaboration with Data Scientists and development of cloud-based frameworks using AWS and Python. Key responsibilities include maintaining applications, leading ...

    Senior Python Web Engineer (Django/Flask/FastAPI)

    Low Carbon Contracts Company is seeking a Senior Software Engineer to deliver critical systems for achieving Net Zero by 2050. The role focuses on Python and JavaScript/TypeScript development within a collaborative team. You'll lead design efforts, mentor engineers, and ensure high code quality. Additionally, th ...

    Senior Python Engineer — AI Driven Financial Platform

    Aveni UK is seeking a Senior Software Engineer to develop next-generation AI systems for financial services. This role focuses on building scalable Python services within cloud-native AWS environments and requires strong expertise in production settings. Candidates should have experience with AI and agentic syst ...

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      Senior Full Stack Developer React Python Jobs in United Kingdom Job Search Guide, Trends and Insights