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    Senior Backend Engineer — Real Time AI & Cloud (Python)

    Taktile is seeking a Senior Software Engineer to build and operate backend services using Python on AWS. The role involves tackling complex backend problems and taking ownership of entire systems from architecture to deployment. Ideal candidates will have at least 5 years of experience, deep expertise in Python, ...

    Senior Python/Java ML Engineer Life Sciences, Remote

    A leading consulting firm is seeking a Senior Software Engineer with extensive experience in Python and Java to join their team for a high-stakes project in the Life Sciences industry. Ideal candidates will have a PhD or MSc in Computer Science and a proven track record of developing complex applications. This p ...

    Defence Tech Software Engineer (C#/Python/Java) Impactful

    Switch Tech Talent is looking for Software Engineers in Newcastle to work on modern applications for defence clients. You'll develop secure applications and solve complex problems with top engineers. The role involves backend and frontend development, requiring proficiency in C#, Python, C++, and more, along wit ...

    Senior Data Platform Engineer I Database Platform Python

    Job Description Wise is a global technology company building the best way to move and manage money worldwide. Your work will help create an entirely new network for the world's money, enabling a smooth international payment experience. Role Overview You will join the Database Pl ...

    Remote Senior Python Engineer — Public API & AI Backend

    Photoroom is seeking a Senior Python Engineer for its Public API team. The role involves designing and evolving our public API product, crucial for accessing Photoroom's AI capabilities. Candidates should have strong backend experience in Python and skills in API design, particularly with FastAPI. The position s ...

    FinTech Data Scientist | Python & SQL, Onsite in Newcastle

    Client Server in Newcastle upon Tyne is looking for a Data Scientist experienced in Python and SQL to join their team. The role involves analyzing large data sets to identify financial trends and working in an Agile environment. The successful candidate will enjoy a competitive salary up to £80k, bonus, and bene ...

    Senior Full Stack Engineer Python/React, FinTech, Cloud

    SGI is seeking a Senior Full Stack Engineer for its London office, focusing on building cloud-native applications within the Asset Management & Private Markets Technology group. The role involves working closely with front-office and investment teams on modern platforms. Ideal candidates will have strong Python ...

    ML Infra Engineer (Python/Rust) — High Perf Systems

    Hunter Bond is seeking an ML Infrastructure Engineer to join their fast-growing team in London. In this role, you will design and build infrastructure for high-performance machine learning workloads, collaborating with ML engineers and researchers. Key qualifications include over 4 years of experience with Pytho ...

    Remote Backend Python Engineer High Impact, AI Tools

    SOLAS IT RECRUITMENT is looking for a Python Software Engineer to join a collaborative remote team in Northern Ireland. This role focuses on backend development, requiring strong Python and SQL skills, with an emphasis on data processing and system performance. The successful candidate will work in a small, agil ...

    Full Stack Engineer (Kotlin and/or Python) – VP

    Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape ...

    Senior Software Engineer (Java/Python) for Scalable Systems

    hackajob is seeking experienced Software Engineers in Glasgow for their Global Technology team. As part of an agile team, you will design and deliver technology products while developing skills in Java and Python. This role requires hands-on experience in system design and application development to ensure stabi ...

    Senior Python Engineer: Global Finance & AI Driven Systems

    A technology company specializing in software solutions is seeking experienced engineers in the Greater London area. You will be pivotal in engineering global scale software systems for banking and financial institutions. The role requires strong expertise in Python development and familiarity with AI-assisted t ...

    AI/ML Prototype Engineer — Python & SQL, Hybrid (London)

    N Consulting Limited is looking for a Prototype Engineer to design and develop prototypes using Python for data-driven and AI/ML use cases. Candidates should have over 10 years of experience in machine learning, SQL, and data analysis. The successful applicant will create and evaluate machine learning models, de ...

    Staff Backend Engineer (C++/Java/Go/Python/Typescript)

    Fastest Growing Start-up in the UK | Defence We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology. The company's founding team has a real pedigree, with backgrounds from the UK Special For ...

    Senior Backend Engineer Java/Python for Critical Systems

    A global engineering consultancy is seeking a Backend Software Engineer to join their London team. The role involves designing and supporting high-reliability software platforms for complex systems, focusing on Java and Python development. Candidates should have a Bachelor’s or Master’s in Engineering, strong ex ...

    Senior Product Engineer (Python/React) Tech for good

    Senior Product Engineer (Python/React) - Tech for good Salary: Up to £85k Location: 1-2 days p/week in London (some flexibility) Senior Product Engineer (Python/React) - would you like the opportunity to work for a tech for good organisation operating in the restoration space? They’re cur ...

    Backend Engineer (Java/Python) for Critical Systems — London

    ALTEN LTD - UK is hiring a Backend Software Engineer in London responsible for developing high-reliability software platforms. You'll focus on creating core operational software, working with data flows, and improving automation efficiency. Candidates should have strong Java and Python skills, a degree in Engine ...

    Senior Python Backend Engineer for AI Energy Efficiency

    Roc Search is looking for a Python focused Software Engineer to join their team in Greater London. This position involves developing advanced AI solutions aimed at optimizing energy efficiency in data centers. Responsibilities include building and maintaining internal tools, collaborating on feature design, and ...

    Hybrid Python AI/ML Engineer for AIOps Platform

    Overview At CGI, we’re shaping the future of intelligent operations through secure, scalable technology that drives real impact for clients. As a Python Developer in our Emerging Technology Practice, you’ll help advance our AIOps platform—engineering solutions that boost reliability, automation, ...

    Senior Quantitative Analyst: Python Driven Fixed Income & Risk

    Legal And General Group is seeking a Senior Quantitative Analyst to enhance their Investments Quantitative team in Greater London. You will develop financial models in Python, support investment teams, and ensure compliance with model governance. Ideal candidates possess strong programming skills, a degree in a ...

    Full Stack Engineer (Kotlin and/or Python) – VP

    For additional information, please review .**Full Stack Engineer (Kotlin and/or Python) – VP**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating ...

    Senior Data Platform Engineer Java/Python, Risk Tech

    A leading financial services firm is looking for a Senior Lead Software Engineer to join their Data Platform & Strategy team in Greater London. In this role, you will design and enhance advanced data engineering solutions that support business objectives. You will collaborate with agile teams and drive innovatio ...

    Strategic FP&A Analyst (SQL/Python) — Stakeholder Partner

    A leading financial services provider in Greater London is seeking an experienced FP&A accountant to join their finance team. The role involves developing financial models, automating cost reporting, and partnering with senior stakeholders. The ideal candidate should be a qualified accountant with 3-6 years of e ...

    Staff ML Engineer (Python) — Real Time pLTV & Growth

    Dex is looking for a specialist to join a high-growth, profitable technology company in London. This role focuses on designing and scaling production-grade ML systems while optimizing personalized reward mechanisms. Candidates should have a strong background in statistical methods and machine learning, particula ...

    Head of Tech & AI for Advertising — Python & Shopify

    ardotec. is seeking a Head of Technology in London to oversee software development teams and manage scalable projects in the advertising and AI sectors. This hands-on role involves contributing to client projects, managing a team of around 20 engineers, and ensuring successful AI implementations. The position of ...

    Head of Technology Advertising / AI / Python / Hybris / Shopify

    Head of Technology - Advertising / AI / Python / Hybris / Shopify 3 days a week onsite in London (Bank station) and 2 days remote You will have extensive client facing experience, contributing to project bids / builds and client wins in the advertising industry Key Skills < ...

    Senior Backend Engineer (Python/Django) — Scale, Mentor & Impact

    Preply is looking for a Senior II Backend Engineer to create and enhance backend features using Python/Django while leading cross-functional initiatives. This role requires experience in architectural patterns of large-scale applications and strong communication skills in English (B2+). The position focuses on b ...

    Front Office Python Engineer for Energy Trading Desk

    VirtueTech Recruitment Group is seeking a Python Engineer to work directly on the trading desk of a Global Energy Trading Firm in Greater London. The successful candidate will have strong Python software engineering skills and experience in finance, translating market problems into technical solutions. This role ...

    Cloud Native Full Stack Engineer (Python, Angular & AWS)

    Infinity Quest seeks an Associate General Manager - Delivery & Operations in London, England. This role is focused on overseeing delivery and operations within a dynamic IT environment, requiring strong skills in Cloud Architecture, API integration, and DevOps practices. Candidates should possess relevant experi ...

    Senior Python Backend Engineer – Real Time IoT & AI

    IC Resources is seeking an experienced Backend Engineer to join their innovative technology team in London. This role involves designing and developing large-scale backend architectures that process real-time data. Key technologies include Python (FastAPI), Postgres, and AWS. The ideal candidate will have a back ...

    Senior Python Automation Tester for AI & LLM Systems

    Resillion is seeking a Senior Automation Tester (Python) to develop and maintain automation frameworks for validating AI systems, including chatbots and agentic workflows. Applicants should have strong Python skills, experience in test automation, and familiarity with CI/CD pipelines. This role involves close co ...

    Senior Python Engineer Real time SaaS, Full Stack

    Senzo Group is seeking a Senior Python Engineer to contribute to their real-time data SaaS platform. This role focuses on developing backend services with Python while integrating with the frontend using React. You will work in a fast-paced environment, shipping production-grade software used daily. The position ...

    Python Backend Engineer Real Time Data & Trading Feeds

    Mustard Systems Ltd. in Greater London is looking for a Software Engineer specialized in Python to develop and maintain real-time systems that support trading strategies. The position offers a hybrid working environment with opportunities to drive the technical direction and impact business performance directly. ...

    Front Office Python Engineer for Trading Desk Impact

    VirtueTech Recruitment Group is seeking a Python Engineer based in Greater London to work directly on the trading desk of a Global Energy Trading Firm. This role involves building tools that directly influence real-time decision-making while collaborating closely with commercial teams. Ideal candidates should ha ...

    Full‑Stack Engineer (React + Python) — AI‑Driven Platform

    Oritain is seeking a skilled individual contributor in London for a hybrid role, working across full stack development. Responsibilities include building modern React frontends and Python backend services while ensuring system reliability. The ideal candidate has strong experience with production systems, can me ...

    Hybrid ML Engineer: Production AI with Python & C#

    Investigo is seeking a Machine Learning Engineer to join an advanced analytics team in Nottingham on a 3-month contract. The role involves developing production-grade machine learning systems, managing large-scale datasets, and collaborating closely with data scientists and engineers. Essential skills include ex ...

    Contract Data Scientist Python, SQL & ML (Project Based)

    Mindrift is seeking a highly skilled data scientist to design and develop original computational problems for diverse industries in Birmingham, UK. Applicants should have over 5 years of experience and demonstrate a strong portfolio showcasing their problem-solving abilities. The role demands expertise in Python ...

    Senior Python Backend Engineer — Global, AI Powered & Cloud

    Grid Dynamics is seeking experienced engineers in Greater London. You will build and own engineering systems for global finance software, utilizing Python and modern cloud-native technologies. Ideal candidates are skilled in AI-assisted engineering and have experience with DevOps tools like Docker and Kubernetes ...

    Hybrid Python Full Stack Engineer | Vue/JS, FastAPI

    Client Server is looking for a software professional with Python framework experience to work on technically challenging projects. With a salary of up to £65k plus bonuses, the role supports hybrid working conditions, allowing you to work from home most of the time with occasional office meetings in Cambridge. T ...

    RF Software Engineer: Real Time Python for Lab

    Technify Talent is seeking a talented Software Engineer to join an innovative engineering team in the UK. This role focuses on developing high-performance software for advanced radio frequency measurement and optimization on cutting-edge hardware. The ideal candidate has a degree in Electronic Engineering or Phy ...

    Senior Python Automation Engineer for AI & LLM Systems

    Resillion is seeking a Senior Automation Tester (Python) to join their team in Glasgow. This role involves developing automation frameworks for AI systems, executing tests for conversational flows, and collaborating closely with product teams to ensure high-quality AI-powered features. The ideal candidate has st ...

    Senior Python SDET for Payments – API & UI Automation

    JPMorgan Chase is seeking a Software Engineer III in Glasgow to enhance the Payments Technology team. In this role, you will design and develop robust test automation frameworks essential for maintaining a high-performance payment system. Successful candidates will demonstrate practical experience in Python, exp ...

    Backend Platform Architect for AI Systems (Python) + Equity

    SR2 | Socially Responsible Recruitment | Certified B Corporation™ is seeking a Senior Backend Engineer in London to design and build robust backend systems using Python. You will work with a high-calibre startup developing an agentic AI product, focusing on infrastructure and tooling. Responsibilities include de ...

    Python API Automation QA Engineer Backend Testing Remote

    A leading technology company based in Cambridge is looking for a QA Test Engineer (Python API Automation) to ensure the quality of their core technology platform. The ideal candidate will have strong Python coding skills and test automation experience, focusing on backend testing of cloud-based solutions. The ro ...

    Contract Data Scientist Python, SQL & ML (Project Based)

    Mindrift in Manchester seeks a data science expert to design and document complex computational problems across industries. The candidate should have over 5 years of hands-on experience, a strong portfolio, and proficiency in Python and SQL. Knowledge of GenAI technologies and MLOps practices is essential. The r ...

    Senior Python Engineer | London (Hybrid) | Flask, AWS, Terraform

    Senior Python Engineer | London (Hybrid) | Flask, AWS, Terraform OB have partnered with a fast-growth scale‑up backed by top tier investors, and having raised over £50m in funding, they are looking for a Senior Python Engineer with experience in Infrastructure to work cross functionally with the ...

    Python Software Engineer – AI Security Platform (Hybrid London)

    Darktrace is seeking a Specialist Software Engineer in London to lead the prototyping and development of AI security features. This hybrid position allows for work from home while requiring at least two days in the London office. Responsibilities include collaborating with teams to develop and advance projects, ...

    Commodities Python Engineer in London Verition Group LLC

    Good-to-have Qualifications: Experience with other object-oriented programming languages such as Java, C#, or C++. Experience with quantitative development in the financial industry and familiarity with pricing models, risk models, analytics, and business objectives. Required Qualific ...

    Senior Python Backend Engineer Real Time Time Series

    djr is looking for a Senior Python Engineer in Watford to contribute to a real-time data platform. The role emphasizes backend engineering rather than data science, focusing on building API-driven services and handling time-series data. Ideal candidates will demonstrate experience in designing data models for ti ...

    SC‑Cleared Python Engineer — Cloud Data Pipelines (Hybrid)

    Opus Recruitment Solutions seeks experienced Python Software Developers in Newcastle to support large-scale analytics solutions. The role involves developing Python applications, optimizing cloud-native data pipelines, and working with tools like Docker and Apache Spark. Candidates must have strong Python expert ...

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