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    Senior Python & AWS Engineer Microservices Lead

    A leading recruitment agency is seeking a Senior Python Software Engineer with strong AWS experience to design and scale Ad-Tech systems. The role involves leading complex delivery of Python-based microservices, mentoring engineers, and improving production systems. Ideal candidates should have profound knowledg ...

    Backend Engineer (Python) — FastAPI, Cloud & MongoDB

    A London-based fashion-tech platform is seeking a backend software engineer to develop RESTful APIs and internal tools. The ideal candidate will have 2+ years of Python experience, particularly with FastAPI and MongoDB, and an enthusiasm for working in a fast-paced start-up environment. This hybrid role requires ...

    Senior Python Tech Lead Cloud & Microservices

    Us3 Consulting is looking for a Senior Technical Lead to manage a technical team in the development of Python solutions on cloud platforms. The role involves leading innovation and ensuring technical feasibility while delivering high-quality software. Candidates should have a strong background in Python, cloud p ...

    Python ML Engineer — Automation & REST APIs

    McGregor Recruitment seeks an experienced Python ML Engineer to join a global enterprise technology team in Glasgow. In this onsite role (3 days per week), you will focus on designing scalable automation solutions, collaborating with engineering teams to implement workload orchestration, and developing REST APIs ...

    MMM Data Scientist, Bayesian, Python, Pymc

    Overview Leading pharmaceutical client now requires a Senior Data Scientist to drive marketing effectiveness via marketing mix modelling and other models. This role will oversee data collection, extraction, manipulation, analysis and validation ensuring data is ready for modelling. You will work c ...

    Senior Python Software Engineer £90k £100k

    Senior Python Software Engineer - £90k - £100k Base pay range Senior Software Engineer (Python / AWS) Location: London or Manchester About the Role We’re looking for a Senior Software Engineer with deep experience in Python and ...

    Software Engineer (Gloucester) – Python, APIs & Frontend

    A small software company in Gloucester is seeking a Software Engineer to collaborate with cross-functional teams, develop software solutions, and contribute to API development. The ideal candidate has expertise in HTML, CSS, RESTful APIs, and backend technologies such as Python and MySQL. This full-time role off ...

    Senior Backend Engineer — Scalable AI Security Platform

    A cutting-edge cybersecurity firm in London is seeking a Senior Software Engineer to lead complex projects focused on developing scalable backend systems and ML tools. The ideal candidate will possess at least 7 years of experience, particularly in Python and cloud services like AWS. Responsibilities include man ...

    Quantitative Developer — Real Time P&L & Risk (London)

    A global asset management firm is seeking a Quantitative Developer based in the UK to enhance our trading and risk management systems. The successful candidate will play a crucial role in developing real-time P&L and risk systems while collaborating with cross-functional teams. Ideal applicants will have over 5 ...

    Staff Software Engineer Build Provenance & CI/CD Security

    A tech company in the United Kingdom is seeking a backend developer to build infrastructure for software supply chain trust and provenance. This role involves designing and building systems that provide complete traceability from source code to deployment, with a focus on large-scale data challenges and ensuring ...

    Quantitative Developer — Real Time P&L & Risk (London)

    A global asset management firm is seeking a Quantitative Developer based in the UK to enhance our trading and risk management systems. The successful candidate will play a crucial role in developing real-time P&L and risk systems while collaborating with cross-functional teams. Ideal applicants will have over 5 ...

    AI Azure Developer in Elland A SAFE GROUP

    AI Azure Developer Elland, United Kingdom Posted 9 months ago Tech stack Azure GraphQL GitHub Artificial Intelligence REST Python C Java API Below is a snippet of the jo ...

    Node.js Backend Engineer Build Scalable, Secure APIs

    A recruitment agency in the tech sector is seeking a Back End Developer (Node.js) for a leading cybersecurity client in the UK. In this role, you will design and maintain scalable APIs, enhance data feeds, and ensure secure integrations. The ideal candidate has a bachelor’s degree in Computer Science and over th ...

    Quantitative Developer High Performance Trading Systems

    A leading systematic hedge fund in the UK is seeking a Quantitative Developer to design, implement, and maintain trading systems. This role combines software engineering and quantitative research, focusing on building reliable tools for systematic investment strategies. Candidates should have strong programming ...

    Lead AI Engineer Build Next Gen AI Systems

    A pioneering AI-first company in the UK is seeking an AI/ML Developer to design and optimize innovative advisory products. The ideal candidate will have over 3 years of experience in AI/ML development, strong programming skills in Python, and familiarity with TypeScript. This role offers a competitive salary and ...

    AI Engineer: Deploy Production‑Ready AI at Scale

    A leading metal trading company in Birmingham is seeking an experienced AI developer. This role involves designing and deploying AI solutions across various business operations. The ideal candidate should possess strong Python development skills and a genuine passion for AI. You'll have the opportunity to work o ...

    AI Driven Internal Tools Engineer (C#/Python)

    TTP plc is seeking a Software Developer for a 12-month fixed-term contract in Cambridge. You'll design and build applications that enhance operational efficiency and utilize data and AI. The role requires experience in C# / .NET and Python, familiarity with REST APIs, and a hands-on approach to integrating syste ...

    London Based SDET: Ownership, Mentorship & Real World Impact

    A dynamic tech company in London is looking for a Mid-level Software Developer in Test to join their Quality Engineering team. In this full-time role, you'll work on automation frameworks and CI pipelines, while mentoring junior team members. The ideal candidate has over 2 years of experience in test automation ...

    Senior AI Ops Engineer (Golang/Python)

    A leading media company in the UK is looking for a Senior Developer to design and build an AI Operations platform. You will work on full-stack software solutions using Golang and Python, develop cloud-native systems on AWS, and enhance automation capabilities. The ideal candidate has strong experience in softwar ...

    Senior Backend Engineer — AI Powered SaaS

    A fast-growing tech company in the UK is looking for a Back-end Developer to work closely with the Product team and Data Scientists. The role involves designing and maintaining back-end services while ensuring high performance and reliability. The ideal candidate should have a degree in Computer Science, 3-5 yea ...

    Real Time AI Engineer Ground Ops, First Engineering Hire

    A pioneering AI startup in London is seeking a Junior Software Developer to be the first engineering hire. You will design and implement real-time AI systems to improve airport ground operations. The role offers significant ownership in developing a platform that generates high-accuracy predictions for flight de ...

    Trading Tools Engineer High Performance & Cloud

    An energy solutions provider in the UK seeks a skilled Trading Developer to design and deliver vital trading tools. This role involves collaborating with various teams to translate requirements into high-quality technical solutions while working on complex analytical workflows. Ideal candidates will have hands-o ...

    Full Stack Engineer: Agile, Secure, Scalable SaaS

    A leading software provider is seeking a Developer to join their Agile team in the UK. The role involves writing clean code, collaborating with cross-functional teams, and contributing to software design and development. Ideal candidates should have a Bachelor's degree in Computer Science, strong experience in s ...

    Lead Backend Engineer — APIs, Data & Cloud

    A leading AI platform company in Greater London is looking for a skilled backend developer who excels in Python and has experience with Flask and FastAPI. This role offers the opportunity to take technical leadership on diverse projects while working closely with cross-functional teams. You will be responsible f ...

    Senior Platform Engineer Cloud & DevX Leader

    A leading marketing technology firm in Glasgow is looking for a talented developer proficient in programming languages like NodeJS and Python, with extensive experience in Kubernetes and observability tools. You will drive a high-performance culture while supporting high-stakes projects and collaborating with te ...

    Backend Engineer – Java/Spring Boot & Python (Hybrid London)

    Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

    Production Ready Quantitative Developer

    Aurum Search Limited is seeking a high-calibre Quantitative Developer to join its Systematic Trading division in Greater London. This role focuses on architecting and managing high-performance systems that power systematic strategies and converting quantitative models into live system capabilities. Ideal candida ...

    Delta Lake Migration Lead (C++/Python) – Hybrid

    BMLL Technologies is seeking a Lead Developer to oversee a pivotal technology migration. The role involves hands-on development primarily in C++ and Python, along with managing a small team in Agile sprints. You will collaborate closely with other market data teams and take part in quarterly planning sessions. B ...

    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 Front Office Equities Derivatives Engineer Hybrid

    Apex Systems is seeking a Mid-Level Developer in Bromley, UK to join their Equities Derivatives Technology team. The role involves developing automation solutions and requires at least 7 years of technology development experience, including 3 years in equities derivatives systems. Responsibilities include design ...

    AI Fleet Management Leader — Platform, Flexible Location

    Spotify is looking for a leader for the Platform Developer Experience (PDX) team, focusing on building AI-native backend systems. The ideal candidate will have over 5 years of backend engineering expertise in Java, Python, or Node.js, along with 3+ years leading engineering teams. This flexible role allows for r ...

    Senior Generative AI Engineer: LLMs, Vector DB & Spark

    HCLTech is seeking a highly skilled Senior Developer specializing in Python and Generative AI to build scalable AI-driven applications in Greater London. The role requires strong experience with vector databases and Apache Spark. Responsibilities include developing robust APIs, managing data pipelines, and ensur ...

    Junior C# Developer: Build Trading Platforms with Quants

    An established hedge fund in Greater London is looking for a developer to work closely with quants and traders. You will build systematic trading applications and actively engage in the development of new trading platforms. Candidates should have robust knowledge of C#/.NET frameworks and some exposure to Python ...

    Node.js Automation Engineer for Data & Betting (London)

    A data-driven technology startup in London seeks a developer to create solutions for betting and gaming. You will work closely with data scientists to build data processing and automation software, primarily using Node.js for automation and Python/SQL for reporting. Candidates should have 2–3 years of commercial ...

    Full Stack GIS Developer — Impactful Public Sector Tech

    A digital transformation consultancy in the UK is seeking a Full Stack GIS Developer to design and deliver innovative solutions that tackle complex public sector challenges. You will work with an experienced team, utilizing technologies such as .NET, Java, and Python in a supportive environment that fosters care ...

    Senior Full Stack Engineer (Python/Django, AWS, Terraform)

    A leading company in the automotive sector is seeking a Senior Software Developer to join their Special Projects team. This role involves developing innovative tools and solutions for clients while working collaboratively in a project-based environment. The ideal candidate will have experience in key technologie ...

    Senior Backend Engineer: Scalable Green Energy Platform

    A leading energy technology company in London is looking for an experienced backend developer to contribute to products that make energy more flexible for customers. You will need 5+ years in web application development, expertise in Python/Django, and the ability to work autonomously or collaboratively. The rol ...

    Power BI & Data Analytics Developer

    A leading data solutions provider in the United Kingdom is seeking a Power BI Developer. The successful candidate will be responsible for developing reports and dashboards using Power BI, and must have strong skills in data modeling, SQL, and Python. A bachelor's degree in computer science or a related field is ...

    Edge AI C++ Engineer — Real Time, Low Latency

    A VC-backed AI technology company is seeking a C++ Developer to be part of a fast-scaling startup in Greater London. You will work with a highly experienced team on an edge computing platform, responsible for building high-performance applications and deploying machine learning models. The ideal candidate holds ...

    Automation & Reporting Engineer (Node.js/Python) London

    A technology and data company in London is seeking a Developer with expertise in Node.js and Python. The role involves developing automation software, collaborating with data scientists, and maintaining data processing solutions. Ideal candidates will have 2-3 years of experience and strong coding practices. The ...

    Lead Java Engineer — Real Time Risk & Cloud Platforms

    A global financial institution in Greater London seeks a Full-Time Applications Developer to lead real-time risk enhancements for their Credit Business. The ideal candidate should have strong experience in Core Java, J2EE, Spring Framework, and exposure to Python. An understanding of Front Office Risk calculatio ...

    Photonic Simulation Software Engineer (Equity Options)

    Wave Photonics in Cambridge is looking for a Scientific Simulation Software Developer to design and develop high-performance numerical software for physical simulations. The ideal candidate will have strong experience in writing simulation software, numerical methods, and programming in languages like Python or ...

    Founding AI Engineer for Aerospace AI Systems

    Fleetcraft in Greater London is seeking a skilled software developer to join their innovative team. You will work at the intersection of aerospace and AI, modernizing how aircraft are maintained and manufactured. The ideal candidate has at least 2 years of software development experience and hands-on expertise i ...

    Hybrid Backend Engineer – Java Spring Boot & Python

    Methods Business and Digital Technology is seeking a Back-end Developer specializing in Java Spring Boot and Python. This permanent hybrid role requires three days on-site in London. You will lead the migration of core architecture to a cloud-native landscape and design technical connectors for global channels. ...

    Lead Cloud Full Stack Developer, AWS & DevSecOps

    Pacific Life Re in Greater London is seeking a Cloud Developer to design and develop cloud-hosted applications focusing on AWS. The ideal candidate will have 5-10 years of experience in cloud environments and a strong background in full-stack development, including Python and .NET. Responsibilities include leadi ...

    Senior Backend Engineer: Foundry Ready AI Platform

    A dynamic UK deep-tech company is seeking a backend developer with a focus on Python and extensive experience in event-driven architectures. You will design scalable services, build RESTful APIs, and work with Palantir Foundry. The role emphasizes autonomy and impact, offering a hybrid working model and extensiv ...

    Lead Full Stack Engineer — Hybrid, Cloud & REST APIs

    A leading tech firm in Leeds is seeking an experienced Full Stack Developer for a hybrid role. The ideal candidate will support end-to-end software engineering across a multidisciplinary product team, contributing to the design, development, and delivery of large-scale digital platforms. Required skills include ...

    Senior Backend Engineer – AI Powered SaaS, Scalable

    A fast-growing AI company in Greater London seeks a Back-End Developer to collaborate with the Product team and Data Scientists. You will play a key role in designing and maintaining systems for AI-powered products. The ideal candidate has 3-5 years of back-end development experience, proficiency in programming ...

    Quantitative Data Platform & Risk Analytics Engineer

    A leading global hedge fund in London is seeking a quantitative developer to manage data platforms and risk analytics systems. The ideal candidate will have 3-7 years of experience in quantitative development, strong skills in Python and SQL, and proficiency in C#. You will be responsible for monitoring services ...

    Remote Backend SaaS Engineer — Python & APIs

    A leading tech firm in the United Kingdom seeks a skilled developer to join their team. As a member of this innovative company, you'll collaborate virtually with talented colleagues while contributing to the development of high-quality code for open-source projects. This role requires proficiency in Python and e ...

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      Quant Developer Python Jobs in United Kingdom Job Search Guide, Trends and Insights