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    Senior Backend Security Platform Architect

    Arm in Cambridge is looking for a Senior Software Engineer to join their Vulnerability Research and Tooling team. You will be responsible for designing and building backend services for their central security analysis platform, which includes developing Python services and APIs. The ideal candidate should have s ...

    Senior Backend Engineer Scalable Distributed Systems

    Wise is looking for a Senior Software Engineer I to work on Account Communications in London. You'll improve delivery reliability and evolve platform infrastructure. Ideal candidates will know backend languages like Java, Kotlin, Python, or Go. Strong experience in designing scalable systems is required. Compens ...

    Full Stack Engineer: Enterprise Cloud & Data (Hybrid)

    A high-growth cloud consultancy in Belfast seeks a Full Stack Engineer to deliver robust, data-driven applications. This role involves both frontend and backend development, requiring strong Java or Python experience and familiarity with React. You'll work closely with cross-functional teams, improve system perf ...

    Full Stack Software Intern (TypeScript/Python)

    Consortium for Clinical Research and Innovation Singapore is offering a 1-year full-time internship in software development. The role involves frontend and backend development, specifically using Typescript (Angular) and Python (Django). Candidates should be pursuing a Computer Science degree and possess excelle ...

    Product Engineer: Fintech for Fertility Financing

    A growing fintech company in London seeks a Product Engineer to join a mission-driven team focusing on insurance-backed financing for IVF. You will be responsible for designing and building scalable software for financial processes, working collaboratively across various teams to enhance product features using m ...

    Senior Backend Engineer — Cloud, Data Security

    A leading technology company is seeking a Python DevOps Engineer in Greater London. You will work on full lifecycle application development, focusing on secure and compliant processing services. The role requires 5+ years of experience in backend programming, knowledge of cloud applications, and a collaborative ...

    Senior Backend Engineer — Scale Smart Saving Tech

    A financial technology company is seeking a Senior Backend Engineer to create modular, scalable systems and mentor junior engineers. Ideal candidates have over 5 years of experience, strong problem-solving skills, and proficiency in Python and related frameworks. The role involves cross-functional collaboration ...

    Founding Backend Engineer – Equity & AI Ventures

    A leading AI venture studio in the London Area seeks a Founding Engineer for backend development. You will shape services through implementing features, managing tech debt, and ensuring quality. The role requires 3-6+ years of experience, strong skills in Python and databases, and the ability to drive developmen ...

    Tech Lead Backend & Data Systems (Hybrid + Equity)

    A technology company in Hackney, London, is seeking a Tech Lead to drive backend and data engineering. In this technical-first role, you'll architect, build, and mentor a team while directly influencing product direction. Ideal candidates have strong expertise in Laravel and Python, thrive in fast-paced environm ...

    Remote Senior Backend Architect (Multitenancy & IAM)

    A tech learning company seeks a Senior Backend Engineer to lead the development of scalable multitenant infrastructure. The role emphasizes strong architectural principles, expertise in statically typed languages, and readiness to master Python 3.x. Enjoy a fully remote, flexible work environment with competitiv ...

    Backend Engineer in London LA International Computer Consultants Ltd

    Staff-Level Full-Stack Software Engineer Location: 108 E 16th Street, New York, NY 10003 Salary: £130,000 - 143,000 per year Requirements: Strong experience building secure, scalable backend systems in Python and/or Go Deep understanding of contai ...

    Senior Fullstack Engineer Hybrid, Cloud & APIs

    A leading UK banking organization seeks a Senior Software Engineer (Fullstack) to develop scalable and secure applications. You will work in a hybrid environment and must be proficient in Python, Node.js, React, and containers. Ideal candidates have a strong background in both frontend and backend development, w ...

    Senior Backend Engineer — AI Platform (Hybrid London)

    A growing AI startup in London seeks a Staff/Senior Backend Engineer to build robust systems for their AI platform. Candidates should have 4+ years of experience in software engineering, especially with technologies like Python and FastAPI. The role is hybrid, requiring in-person work four days a week, and offer ...

    Software Engineer AI Driven, Multidisciplinary Systems

    A Sheffield-based engineering consultancy is looking for candidates to join their multidisciplinary team. The ideal candidate will have a strong background in software development (frontend/backend) and experience deploying production code with technologies like CPP, JS, TypeScript, and Python. An interest in UX ...

    Senior Software Engineer Production AI & Web (London)

    A pioneering tech firm based in London is seeking a Senior Software Engineer to design and maintain critical backend services and create user-facing components. This hybrid role emphasizes real-world impact, with meaningful equity and extensive company benefits. Ideal candidates will have a strong background in ...

    Senior GenAI Engineer — Production AI for Planning

    A leading software company in Greater Manchester is seeking a Senior GenAI Engineer to build production-ready AI features for business planning. The candidate will work on integrating and optimizing AI models, develop backend services, and collaborate with data scientists. Strong programming skills in Python, ML ...

    Senior Full Stack Engineer — AI Native Enterprise

    A leading tech firm in Greater London is seeking an experienced Full-Stack Engineer to design, develop, and maintain scalable systems for high-profile enterprise clients. This role encompasses frontend applications using React and Next.js, and backend services with Python. With a competitive salary range of £100 ...

    Senior Backend Engineer — Scalable Systems, Remote

    A cybersecurity intelligence platform is seeking a Senior Software Engineer to design, build, and scale core systems for their vulnerability intelligence platform. The role is remote-friendly, with a preference for candidates in Cheltenham, UK. Responsibilities include owning critical services and developing sca ...

    Platform Engineer – Fintech Infra, Equity, London Office

    A financial technology firm based in Greater London is seeking a Platform Engineer to design and maintain scalable backend infrastructure using Go, TypeScript, and Python. The ideal candidate should have 3–4 years of experience in fintech and a strong grasp of cloud infrastructure. This role focuses on building ...

    Senior Product Engineer End to End, AI Driven Platform

    A modern technology firm in Greater London is looking for a full-stack product engineer to own complete product slices. Responsibilities include delivering backend systems, building features with LLM integration, and working across the stack with React/TypeScript. The ideal candidate will have strong experience ...

    Client‑Facing AI Engineer for Enterprise Deployments

    A dynamic AI-first company in Greater London is looking for a Forward Deployed Engineer with over 5 years of backend or full-stack experience, particularly in Python and TypeScript. You will work directly with clients to build and deploy tailored solutions, integrating modern and legacy systems. This role offers ...

    Full Stack Engineer AI Product at a Fast Paced Startup

    A fast-growing AI company in Bath is seeking an experienced Full Stack Engineer to work on exciting AI products. You will collaborate with a small, experienced team to deliver innovative solutions, leveraging your expertise in TypeScript, JavaScript, and Python. Ideal candidates will have extensive experience in ...

    Full Stack Engineer AI Powered Workflows, London (Onsite)

    A leading recruitment firm is seeking a Full Stack Engineer to join their product-focused team in London. This hands-on role involves designing software for complex workflows, utilizing TypeScript for frontend development and Python for backend services. The ideal candidate will have strong experience with moder ...

    Ground‑Floor Full Stack Engineer – FinTech (London)

    Primis is seeking a full-stack engineer to join their startup team in London. This role focuses on building backend services using Python/FastAPI and developing frontend dashboards with React to enhance financial data visibility. As an early hire, you'll collaborate directly with the CTO to influence product dir ...

    Engineering Manager Reference Data & Data Platform

    Addepar is looking for an experienced Software Engineering Manager to lead their Reference Data Team in Edinburgh. You will oversee the delivery of high-quality projects using diverse technologies like PySpark, Python, AWS, and Kubernetes. A background in backend engineering and proven leadership experience are ...

    Senior AEM Developer

    Are you an AEM Developer looking for a remote opportunity to work with a growing digital marketing agency that helps some of the top global life science companies? Supreme Optimization is looking for a Senior AEM Developer to help support our growing client base with enterprise-level content manage ...

    Freelance Data Scientist (Python & SQL)

    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 employme ...

    Senior Python Engineer – Greenfield Replatform

    Job Description The Role Following the hiring of a very impressive CTO, this business is hiring a senior engineer to join the team and play a key hands on role building a brand new platform in Python to process high amounts of data! Reporti ...

    Freelance Data Scraping Engineer (Python)

    Mindrift is looking for highly skilled Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate with Tend ...

    Senior Data Scraping Engineer (Python)

    Mindrift is looking for highly skilled Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate with Tend ...

    Freelance Data Scientist (Python & SQL)

    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 employme ...

    Senior Python Engineer – Greenfield Replatform

    Job Description The Role Following the hiring of a very impressive CTO, this business is hiring a senior engineer to join the team and play a key hands on role building a brand new platform in Python to process high amounts of data! Reporti ...

    Freelance Data Scraping Engineer (Python)

    Mindrift is looking for highly skilled Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate with Tend ...

    Senior Data Scraping Engineer (Python)

    Mindrift is looking for highly skilled Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate with Tend ...

    Dev Ops Java/Python London

    Senior Engineer in Production Management The Senior Engineer in Production Management, will be responsible for the development and overall implementation of software in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation ...

    Dev Ops Java/Python London

    Senior Engineer in Production Management The Senior Engineer in Production Management, will be responsible for the development and overall implementation of software in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation ...

    Freelance Data Scientist (Python & SQL)

    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. What This Opportunity Involves Design original computational data ...

    Senior Software Engineer – Python & DevOps:

    At Chai Services we believe in making the web a better place, and making our workplace a happy place. We hope you can join us on this journey! The Python Developer will be instrumental in building and maintaining our Python applications. You will work on both new features and existing systems, ensu ...

    Production ML Scientist Python + MLOps

    A global analytics company is seeking a Data Scientist to design and implement machine learning models within production environments. This role involves close collaboration with stakeholders, utilizing strong expertise in Python and MLOps. Successful candidates will have experience in building reliable ML pipel ...

    Lead Full Stack Engineer (Python)

    Base pay range This range is provided by AMP People. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Direct message the job poster from AMP People Strategic Talent Search | Digital Health & AI Startups | Scaling Founding Teams </ ...

    OpenShift DevOps Lead: Automation & Python

    A technology consultancy based in the United Kingdom is looking for a skilled professional to develop and manage OpenShift Container Platform Virtualization (OCPV) environments. The ideal candidate will be proficient in automation using Ansible and experienced in Python programming for automation tasks. Strong p ...

    Software Engineering Team Lead Python

    Software Engineering - Team Lead - Python An excellent opportunity has arisen with a leading financial services technology consultancy seeking a hands‑on Team Lead to support a major pensions-focused client. This role sits within a small, high‑impact team, operating with a startup‑style mindset w ...

    Gen AI Python Software Engineer

    **Discover your future at Citi** Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. **Job Ov ...

    Gen AI Python Software Engineer

    **Discover your future at Citi** Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. **Job Ov ...

    Software Engineer (Python and Java)

    **Description** **Software Engineer** **Programme Name:** Maritime Internal Research & Development **Location:** Farnborough, with flexibility to work from home dependent on business demands **Salary:** £47,600 - £61,000 **Are you ready for your next career challen ...

    Software Engineer (Python and Java)

    **Description** **Software Engineer** **Programme Name:** Maritime Internal Research & Development **Location:** Farnborough, with flexibility to work from home dependent on business demands **Salary:** £47,600 - £61,000 **Are you ready for your next career challen ...

    Full Stack Engineer (Python/TS)

    Mid-Level Full-Stack Engineer | Up to £75k + Equity | London A funded AI startup in central London is looking for a mid-level full-stack engineer to join a small, fast-growing team. They help organisations actually embed AI into their teams' daily workflow ...

    Azure Backend Engineer for Prototypes & Cross Project Impact

    A leading consulting firm in the UK is seeking a Backend Software Engineer to design and build cloud-native solutions. The ideal candidate has over 5 years of experience, strong skills in C# or Python, and hands-on experience with Microsoft Azure. This role requires excellent communication skills and the ability ...

    Software Engineer – AI Startup, High Ownership & Impact

    A growing AI startup in London is looking for a Software Engineer to join their dynamic team. You will work primarily on backend systems, collaborating with founders, and integrating with cutting-edge technologies. Ideal candidates will have strong experience with TypeScript, React, or Python, and possess an own ...

    Staff Full Stack Engineer ( New )

    Staff Frontend / Full Stack Engineer Remote / Hybrid UK ( Must have access to the Belfast office ) Permanent The Opportunity OCHO is partnering with a product-led technology organisation seeking a Staff-level Frontend / Full Stack Engineer to help shape the future of its product platform and frontend architectur ...

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