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    Senior Backend Engineer: Python, AWS, Hybrid + Equity

    Taktile is looking for a Senior Backend Engineer to join the team in London. This role involves designing and operating backend services in Python on AWS, tackling scalability and reliability challenges. Candidates should have at least 5 years of experience, strong system design skills, and the ability to lead c ...

    Backend Engineer (Python/FastAPI) AI/LLMs, Sponsorship

    Weekday AI (YC W21) in the United Kingdom is seeking a Backend Engineer with 5-9 years of experience. The role focuses on building scalable systems using Python and FastAPI, integrating advanced AI capabilities, and working closely with cross-functional teams. Ideal candidates will excel in backend development a ...

    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 ...

    Senior Python Automation Engineer — Tools & Embedded QA

    A global media technology company is seeking a Senior Software Engineer to join their software automation team in Cambridge. This role involves building and maintaining automation frameworks and tools for embedded devices with a strong focus on Python and cross-functional collaboration. The ideal candidate has o ...

    Senior Embedded Security Software Engineer (C/Python)

    A security solutions company in Cambridge seeks a Senior Software Developer skilled in C and Python for embedded systems. Responsibilities include designing and testing next-gen cryptographic Hardware Security Modules. Candidates should have a degree in a relevant field and experience in Linux environments. This ...

    Senior Python Engineer Front Office Analytics & Trading

    A leading technology recruitment company is seeking a Senior Python Developer based in London. The role demands an expert in Python with strong DevOps and data processing capabilities. Key responsibilities include designing high-performance financial software and mentoring junior engineers. Candidates should hav ...

    Senior Backend Engineer — Python Microservices (FastAPI) London

    A leading Insurtech company in London is seeking a motivated Senior Backend Engineer to build and scale their insurance platform. The role focuses on developing Python microservices using FastAPI and collaborating in a high-performing team. The ideal candidate has strong expertise in Python development, microser ...

    Backend API Engineer — Python, AWS & Data Pipelines

    A leading advertising and communication agency in Greater London is seeking a Software Developer Back End. The role involves designing and operating scalable APIs and data systems on AWS, while leading a team. Ideal candidates should have strong Python and FastAPI skills, along with experience in CI/CD and AWS s ...

    Remote Python Engineer (EdTech) – Django/Flask + Equity

    An innovative EdTech start-up is seeking a skilled Python Engineer to join their team. This role involves developing scalable backend services and RESTful APIs using Django and Flask. You will collaborate with cross-functional teams and ensure the robustness of applications. A strong background in Python with fa ...

    Senior ML Engineer — High Performance Python & HPC

    A leading analytics firm in Greater London is seeking a Machine Learning Engineer to join their modelling team. Candidates will collaborate with quantitative researchers to optimize trading models for production. Key requirements include a strong background in software engineering, particularly with Python and p ...

    Trading Systems Engineer C++/Python, High Availability

    A leading trading firm in London is seeking a Software Engineer to design and develop high availability trading systems using C++ and Python. The ideal candidate will have over 5 years of C++ experience and a strong understanding of concurrency and software for trading. This role requires collaboration with quan ...

    Platform Engineer Go/Python, Azure Infra, Equity

    An innovative AI startup in London seeks a passionate Software Engineer to build and maintain cloud infrastructure, create Kubernetes clusters, and write IaC with Terraform. The ideal candidate has a strong technical background in Go or Python, thrives in a client-facing role, and values autonomy. Enjoy a flexib ...

    Senior Market Data Engineer — C++/Python, Hybrid

    A leading data analytics firm is seeking a Senior Developer to build and maintain data parsers for market data. The role requires experience in C++ and Python, with a background in financial market data. Responsibilities include owning development projects and delivering new solutions. The company offers competi ...

    Data Pipeline Engineer: Python/SQL/Scala Expert

    This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Job Requirements You’re fluent in at least one of the core data languages, such as Python or Scala, and of course versed in ...

    Senior Backend Engineer Python/Django for FinTech

    A financial technology firm is seeking a Senior Backend Software Engineer to join their Investor Solutions team in Basingstoke, UK. The role involves collaborating with product owners and engineering teams to deliver innovative solutions within a complex, data-driven environment. Candidates should have extensive ...

    Senior ML Engineer — High Performance Python & HPC

    A technology company in the United Kingdom is seeking a Machine Learning Engineer to join their modeling engineering team. The role involves converting trading models into production systems, designing necessary tooling, and supporting strategy research and development. The ideal candidate will have a strong fou ...

    Electrical Engineer & Python Expert Freelance AI Trainer

    Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. ...

    Machine Learning / AI Software Engineer (C++ & Python)

    Machine Learning / Applied AI Software Engineer Location: Office based. Guildford, UK Type: Permanent Salary & benefits: £superb + a blue chip package Are you a strong ML Engineer who wants your work to power the tools that engineers and scie ...

    Senior Python Systems Engineer Remote Functional Testing

    Mindrift is seeking a Senior Python Developer in Birmingham. This remote role focuses on testing and improving AI systems, requiring deep experience in functional testing, Docker, and Python. Responsibilities include creating black-box tests, managing Docker environments, and leveraging LLMs for development. Can ...

    Python Engineer Trading in London Quant Capital

    Client Overview Our client is one of the largest Quant Investment managers globally, with around £20 billion under management. They are mainly quant based but have high frequency and systematic exposure. Position Details The role sits with an excellent working environment with ongoin ...

    Lead Python Engineer Front Office Trading (Hybrid)

    SGI is seeking a Lead Python Engineer for their Front Office Investment Technology team in London. This hybrid role involves writing clean Python code for cloud-native solutions in AWS, collaborating closely with traders and portfolio managers, and coaching junior engineers. Ideal candidates will have 6+ years i ...

    UAV Software Engineer (C++, Python, MATLAB) — Hybrid

    MacStaff is seeking a Software Engineer to design and develop software solutions for UAV and drone projects in Swindon, Wiltshire. You will work collaboratively in a multidisciplinary engineering team while drawing on your expertise in C++, Python, and MATLAB. The ideal candidate will have experience in flight c ...

    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 ...

    Backend Software Engineer Python & Data R&D

    Client Server is looking for a Backend Software Engineer / Developer in Cambridge to work on cutting-edge medical technology projects. The role involves solving complex problems like image processing and machine learning using Python. Candidates should have experience with Python and backend systems, as well as ...

    Backend Software Engineer Python Data R&D

    Backend Software Engineer / Developer (Python Data R&D) Cambridge onsite to £55k Would you like to work on Greenfield projects at the cutting edge of medical technology? You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and i ...

    Hybrid Python ML Engineer: APIs & Kafka Focus

    Harvey Nash Group is seeking a Python ML Engineer for a 12-month hybrid role in Glasgow. The successful candidate will support major projects within the Backup Engineering team, requiring strong Python and Machine Learning experience. Responsibilities include debugging complex issues and making analytical decisi ...

    Impactful Forward Deployed Software Engineer (Python/TS)

    Cubiq Recruitment is seeking a Forward Deployed Software Engineer in Greater London, UK. The role involves designing software solutions that directly impact customer operations, leveraging skills in Python and TypeScript. Key responsibilities include transforming messy data into actionable workflows and ensuring ...

    AI Driven Electrical Engineer & Python Numerics Expert

    Mindrift is looking for specialists to design and solve computational engineering problems for AI projects. This role involves creating original problems that simulate engineering workflows, requiring proficiency in Python and an engineering degree. Contributors will work on project-based tasks with an expected ...

    AI Driven Electrical Engineer & Python Numerics Expert

    Mindrift is seeking contributors in Manchester for project-based computational engineering roles. The opportunity involves designing and solving numerical engineering problems using Python as well as validating solutions. Applicants should have a degree in Electrical Engineering or related and at least 2 years' ...

    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 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 ...

    Embedded Systems Test Engineer (C/C++/Python)

    IC Resources is seeking a Skilled Test Engineer on the South Coast to support system level testing for new scientific product development. The successful candidate will possess 3-5 years of testing experience, with proficiency in C/C++/Python and familiarity with communication protocols. Responsibilities include ...

    Senior Software Engineer Python, TypeScript and AWS

    External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold yo ...

    Low Latency Python Software Engineer – Hybrid London

    A high-growth startup in London is looking for a Software Engineer (Python) to join their engineering team. You'll work on a cutting-edge trading platform and tackle real-time data challenges that impact market performance from day one. The position offers competitive compensation between £75k and £120k, along w ...

    Lead Python Engineer Asset & Wealth Analytics Platform

    A leading financial services firm in London is seeking a Lead Software Engineer to join their Asset & Wealth Management Data & Analytics team. This role involves architecting solutions on a federated data platform while collaborating with Quantitative Research teams. Candidates should have experience with cloud ...

    AI Powered Python API & Data Engineer (Energy)

    A leading energy tech company in London seeks a Software Engineer/Data Engineer to build data presentation layers and stable APIs for complex energy market data. Responsibilities include full lifecycle ownership of projects, designing infrastructure, and ensuring code quality. The ideal candidate has 4+ years of ...

    Lead Python Engineer Asset & Wealth Data Platform

    A leading global financial services firm is seeking a Lead Software Engineer to design and implement innovative analytics solutions. This role involves developing high-quality code, collaborating with teams while ensuring operational stability. Candidates should have expertise in cloud technologies like Snowflak ...

    Senior Gen AI & Python Engineer (Markets Tech)

    A leading global financial services company in Belfast is seeking a Vice President to join their innovative Markets Technology team. This role focuses on designing and building Generative AI systems, applying modern AI engineering disciplines, and collaborating with talented engineers. Ideal candidates should ha ...

    Python Platform Engineer: Data Orchestration & CI/CD

    A technology firm in Greater London is seeking a Python Platform Engineer to design and build a central automation platform. This role involves writing high-quality code and delivering key components of a sophisticated reporting system. The ideal candidate will have extensive Python experience focused on large c ...

    RegTech Python Engineer – Flexible Hours & Home Setup

    A leading regulatory technology firm in Greater London is seeking an experienced RegTech Engineer to contribute to innovative solutions tackling regulatory challenges. The successful candidate will have solid experience with Python and a deep understanding of collaborative coding and version control. Ideal appli ...

    Senior Backend Engineer Cloud Microservices (Python/Golang)

    A leading fintech company in Greater London is seeking a skilled Back End Engineer to contribute to the development of their core product. You will design and develop scalable microservices while ensuring production readiness and high standards. The ideal candidate has experience in Python or Golang and is famil ...

    Senior Python Backend Engineer | AI Powered FinTech

    A fast-paced technology company in Greater London is seeking a Senior Python Developer to join their back-end development team. In this role, you will implement scalable solutions in Python and develop REST APIs. You should have 4+ years of professional Python coding experience and be familiar with Django. The p ...

    Python QA Engineer: Automation Frameworks & CI/CD

    A high-growth technology firm in Greater London seeks an experienced Python/PyTest QA Engineer. You will design and maintain Python-based automation frameworks, build scalable test suites using PyTest, and collaborate with developers to enhance reliability and coverage. This role demands deep experience with aut ...

    Senior Python Backend Engineer: APIs, Cloud & Data

    A technology consulting firm is looking for a Senior Python developer to enhance applications for investor portfolio management. You will collaborate with business analysts and developers, focusing on designing production APIs, improving system efficiency, and employing cloud-native solutions. The ideal candidat ...

    Python Infra Engineer for High Performance Trading

    A global financial technology firm located in Greater London is seeking a dynamic Software Engineer to join their quantitative trading team. In this role, you will enhance production systems by developing Python infrastructure and ensuring server configurations. Ideal candidates should have a strong background i ...

    Senior Python Engineer — AI‑Augmented Cloud Backend

    A leading European cloud service provider is seeking a Senior Python Developer to drive innovations in AI-augmented coding. The candidate will design and maintain backend services using Django or FastAPI, leverage AI tools for code improvements, and promote best practices in software development. Ideal applicant ...

    Lead Python Engineer: Cloud Native & Secure FinTech

    A leading global financial services firm in Scotland is seeking a Lead Software Engineer to enhance and deliver technology products. In this role, you will lead technical solutions, develop high-quality code, and collaborate with various departments. Ideal candidates should have solid software engineering traini ...

    Software Engineer, Core Design & Geometry (C++/Python)

    A leading design software company is seeking a Software Engineer in Cambridge. This role involves prototyping, implementing, and maintaining software components, and requires a Master's or PhD in a relevant field. You'll work in a collaborative Scrum team using Agile methodologies and interact with product manag ...

    Lead Python Engineer: Cloud Native & Secure FinTech

    A leading financial services firm in Glasgow is seeking a Lead Software Engineer to enhance and deliver technology products. You will join an agile team, responsible for developing secure and high-quality code while leading initiatives to automate and improve system stability. Candidates should possess extensive ...

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      Contract Full Stack Java Engineer React Python Jobs in United Kingdom Job Search Guide, Trends and Insights