Fullstack Engineer C Python React Data Management Jobs in UK

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Senior ML Engineer, AI Platform & MLOps on GCP

Onsera Health seeks a Senior Machine Learning Engineer to develop the AI infrastructure for a transformative healthcare platform. You will design and implement ML systems, collaborating closely with data science and platform engineering teams. Candidates should have over 5 years of experience in machine learning ...

Backend Engineer, DataCosmos — Space Data Platform

Open Cosmos Ltd in East Hagbourne is seeking a Backend Engineer to join their DataCosmos team. The role focuses on designing and maintaining scalable backend services, utilizing Go and Python to develop reliable code. Candidates should have experience with APIs and microservices, a solid understanding of data mo ...

Client Facing Implementation Engineer Hybrid London + Equity

Oliver Bernard is seeking a highly skilled Implementation Engineer to join their high growth InsureTech start-up in Greater London. This client-facing role involves onboarding clients to their platform, handling data integrations, and designing end-to-end solutions. Candidates should have strong skills in SQL an ...

Lead ML Engineer: Live Sports Insights & Analytics

Sky is seeking a Principal Machine Learning Engineer to shape their technical strategy for production ML systems that enhance sports experiences for millions. You will lead AI solutions development using Machine Learning and Computer Vision while mentoring a team of data scientists. The role requires expertise i ...

London AI Reliability & Observability Engineer

LiveRamp is looking for an AI Software Engineer to develop intelligent observability systems in London. This full-time role involves collaboration with backend engineers, data scientists, and more, integrating AI/ML components. Applicants should have 1-2 years of software development experience, profic ...

Senior AI Security Engineer — GenAI & Cloud Security

Jefferson Frank in Manchester is searching for a Senior AI Security Engineer. In this role, you will provide technical leadership in security architecture, cryptography, and IAM on hybrid/cloud platforms. Responsibilities include designing solutions for sensitive data protection, conducting security audits, and ...

AI Backend Engineer – LLMs, Scalable Pipelines & MLOps

Moody's Investors Service is seeking a Software Engineer specializing in AI systems to design and implement robust backend solutions using Node.js and Python. The ideal candidate will have over 3 years of experience in backend software development, particularly with AI applications involving machine learning tec ...

AWS Platform Engineer for Genomics Data Infra

Flagship Pioneering is seeking a mid-level Platform Engineer to enhance our cloud infrastructure supporting genomics-first drug discovery. Located at Chesterford Research Campus near Cambridge, this role involves operating AWS-based platforms, managing infrastructure-as-code, and working closely with cross-funct ...

Platform Engineer – APIs, Data Pipelines & Cloud Deployments

Apex Systems US is seeking a Research Development Software Engineer in Cambridge, UK. This role focuses on platform engineering, APIs, and operational reliability. The successful candidate will have strong Python skills and experience in cloud infrastructure, CI/CD, and data pipelines. The position req ...

Hybrid Energy ML Platform Engineer – Real Time Pipelines

A leading energy technology firm in the City of London is seeking a Machine Learning Engineer to design and build robust infrastructure for scaling ML models that handle significant volumes of energy data. The ideal candidate will have a background in Python and experience with machine learning tools such as PyT ...

Senior Full Stack Engineer, Real Time Sports & AI

Brain Analytics, based in Greater London, is seeking a Senior Full-Stack Engineer to take full ownership of features across the stack. You'll work on real-time sports analytics and AI products, integrating complex data into user-friendly interfaces. Ideal candidates have over 5 years of experience, strong Python ...

Satellite Software Engineer — Testing & Tools Lead

Spire Global, Inc. is looking for a mid-level Software Engineer based in Glasgow to support satellite system development. You will design tools for testing satellites, collaborate with teams, and mentor junior engineers. The ideal candidate has at least 2 years of Python experience and skills in Linux-based d ...

Graduate ML Engineer — Hybrid, MLOps & Automation

Markerstudy Group is looking for a Graduate Machine Learning Engineer to join its technical modelling and pricing team. This role offers a hybrid working arrangement in Manchester or Haywards Heath. You will focus on automating machine learning pipelines, collaborate with technical teams, and apply advanced skil ...

Junior AI Solutions & Innovation Engineer

RGIT Australia is seeking a Junior Solutions and Innovation Engineer based in Blantyre, Scotland. This full-time, permanent position offers the opportunity to gain hands-on experience in deploying AI-powered solutions. The ideal candidate will have a degree in a relevant field, competence in Python, an ...

Senior Backend Engineer – Identity Verification at Scale

Verifymy Limited is seeking a Senior Backend Engineer to join its engineering team in the UK (hybrid) or Brazil (remote). You will work on critical backend systems handling sensitive data and contribute to scaling their Age Assurance and Content Moderation platform. Ideal candidates will have extensive ...

On Site AI Engineer for Secure Systems & LLMs

ENGINEERINGUK is seeking an AI Engineer / Developer to design and deliver advanced AI solutions for mission‑critical systems in the Space, Defence and Intelligence sector near Gloucester. This role involves developing applications to unlock data value and enhance decision-making. Key qualifications inc ...

AI Platform Engineer: Knowledge Graph & Agent Systems

60x is seeking a Junior Engineer to join their team in Greater London. As a critical member of a small engineering team, you will work on building and hardening ingestion pipelines, directly collaborating with the CTO. The role requires strong fundamentals in Python, JavaScript, or TypeScript, and an interest in ...

Backend Engineer AI Driven Workflow Platform

Mentor Talent Acquisition is seeking a skilled backend engineer in Greater London. In this role, you will take ownership of backend systems that support AI-driven research workflows. You'll design scalable systems, integrate various platforms, and enhance internal tools. Ideal candidates have strong experience i ...

Senior Software Engineer Finance Trading Platform (London)

SoCode Recruitment is seeking a Contract Senior Software Engineer to join a private equity firm in London for up to 6 months. The successful candidate will develop and support P&L and accounting applications, manage data exchanges, and collaborate with financial teams. You'll need 8+ years of experience in Pytho ...

Principal GenAI & ML Engineer (Associate Director)

Fitch Group, Inc. is seeking a Principal Machine Learning or AI Engineer for its Emerging Technology AI Center of Excellence. This role entails building and supporting Generative AI, machine learning, and data science solutions in a high-impact environment. Candidates should have at least 5 years of ex ...

Senior Growth Engineer — CRO & Marketing Lead

Fyxer is seeking a Senior Growth Engineer focusing on Conversion Rate Optimisation and marketing strategy. Located in Chancery Lane, London, this role demands ownership of the conversion journey from visitor to customer. Candidates should have experience as a CRO or growth engineer, with a keen understanding of ...

(Junior) Datacentre Facilities Engineer Greater London New Role

(Junior) Datacentre Facilities Engineer - Greater London - New Role Up to £32k + Benefits Location: Heathrow (with some travel to other sites as required) Please note, to be considered for this role you must be eligible for SC Clearance and hold a full, UK drivi ...

Senior C# Developer Head of Core Platform | Hedge Fund | London

Our client is a highly regarded discretionary investment manager with a strong focus on data‑driven decision making. They operate with a small, agile structure and are recognised for their commitment to excellence in trading and technology. Their in‑house technology function spans IT infrastructure, so ...

Senior C# Developer Head of Core Platform | Hedge Fund | London

The Client Our client is a highly regarded discretionary investment manager with a strong focus on data‑driven decision making. They operate with a small, agile structure and are recognised for their commitment to excellence in trading and technology. Their ...

Senior C# Developer Head of Core Platform | Hedge Fund | London

The Client Our client is a highly regarded discretionary investment manager with a strong focus on data‑driven decision making. They operate with a small, agile structure and are recognised for their commitment to excellence in trading and technology. Their in‑house technology f ...

C# Developer Front Office Engineering | Hedge Fund London

We’re working with a leading fixed income hedge fund in London that is expanding its front‑office engineering team. The fund has a strong performance track record, a deep commitment to technology, and a culture where engineers work side‑by‑side with quants and traders to build the systems that drive the inves ...

Senior Growth Engineer

Senior Growth Engineer - CRO & Marketing Focus Salary: Up to £140k/year DOE + equity Location: Chancery Lane, London — Mon–Thu in office, Fri WFH About Fyxer Fyxer is an AI Email & Meeting Assistant that eliminates admin burden for professionals in client-facing roles — ...

Software Engineer

Software Engineer – OEM/SDK (C++ / Multi-platform) RealVNC Cambridge, England, United Kingdom RealVNC is the most reliable and secure remote access solution, built by the original creators of VNC technology. For over 25 years, we've enabled a global workforce to work wherever works. Our softwa ...

Software Engineer

An exciting opportunity for a Software Engineer working within our Software Simulation department.Salary: up to £66,000 depending on experienceDynamic (hybrid) working: typically, 4 to 5 days per week on-site, dependant on workload classificationSecurity Clearance: British Citizen or a Du ...

Frontend Developer

UI Engineer About our client Our client is a global leader in financial technology, building secure, scalable, and high-performing systems that power critical business operations worldwide. With a strong focus on innovation and collaboration, they are now seeking a UI Engineer t ...

Embedded Software Engineer

Senior Embedded Software EngineerStroud, Gloucestershire | Up to £70,000KO2’s client is a well-funded, fast-growing tech start-up building intelligent, ultra-low-power sensing systems for real-world environments. Their platforms combine embedded firmware, signal processing, secure wireless connec ...

Junior Frontend Developer

We are looking for a UI Developer to join our Fenics Data and Analytics team. This role offers an excellent opportunity to learn and grow while contributing to the development of modern, high-performance user interfaces for real-time data and analytics systems. You will work closely with senior developers ...

Manager Software Engineering

You will provide leadership, direction, and day-to-day management for software engineering teams (including offshore partners and interns), ensuring high‑quality delivery across the software development life cycle. Working closely with product, project, and engineering peers, you will drive technical excel ...

Full Stack DeFi Web Developer

About Us Re7 Capital is a London-based cryptoasset investment firm, leveraging our deep crypto network and proprietary data infrastructure to drive investment decisions across various DeFi and alpha strategies. Through Re7 Labs, we also collaborate with leading projects and blockchains to d ...

VelocITy Graduate Programme

Avanade is seeking ambitious and tech passionate graduates to join our Technology Consulting and VelocITy Graduate Programme, starting October 2026 in Newcastle. This programme is designed to develop future consultants through hands on project experience, structured training, and continuous professional gr ...

Analytics Engineer

Analytics Engineer London Up to £60,000 This is a great opportunity to become the key Analytics Engineer within an early-stage data function, playing a defining role in how the organisation builds its lakehouse, models its c ...

Python Quant Developer — Risk Analytics & Cloud

A leading global hedge fund is seeking a Quantitative Developer to join their Risk Technology team. This full-time role involves designing risk analytics solutions, building data ingestion pipelines, and developing cloud-native applications with Python. Ideal candidates will have 5+ years of experience in Python ...

Senior Python Developer Up to £90k

Support Consultant at Oliver Bernard | Specialising in building High-Performance Python, Data & AI teams across the UK and Europe OB have partnered with a FinTech company, who are looking to bring on a Senior Python Developer to their highly skilled engineering team, where you'll have the opportu ...

Senior Python Developer: FastAPI & Azure Microservices

A leading staffing agency is seeking a Senior Python Developer with a focus on FastAPI for a premier energy client in London. This mid-senior level contract position involves designing and deploying scalable backend services, collaborating with cross-functional teams, and developing high-performance APIs. The ro ...

Python Developer – FinTech SaaS Analytics (Hybrid)

A well-known FinTech Software Company is seeking a Mid-Level Python Developer to design, build, and optimise analytics and data workflows on a greenfield SaaS platform. Collaborating with actuaries and data scientists, you'll enhance Python-based features, improve system integration, and champion engineering bes ...

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 ...

Senior Systems Developer (Python / PostgreSQL) | Hybrid

A leading UK infrastructure organization is seeking a Senior Systems Developer to join its technology team in Bury St Edmunds. This hybrid role involves designing and delivering software solutions while mentoring colleagues. Ideal candidates should be proficient in Python, SQL, JavaScript, HTML, and CSS, with ex ...

Full Stack Engineer / Technical Lead B2B SaaS

Full Stack Engineer / Technical Lead (Ruby TypeScript React) London / Remote – up to £130k. Opportunity for a full stack technologist to join a highly regarded provider of serverless real‑time infrastructure for the Internet that processes billions of messages a day and powers everything ...

Project Engineer

Product Engineer London (Victoria) · 3 days in office · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a proven track record of building and scaling high-growth consumer busi ...

Product Engineer

Product Engineer London (Victoria) · 3 days in office · Permanent Our client is a newly launched, VC‑backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a proven track record of building and scaling high‑growth consumer busi ...

Product Engineer

Product Engineer London (Victoria) · 3 days in office · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a proven track record of building and scaling high-growth consumer businesse ...

Product Engineer

Product Engineer London (Victoria) · 3 days in office · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a proven track record of building and scaling high-growth consumer businesse ...

Frontend Tech Lead & Manager Accessibility + CI/CD

Experience and SkillsExperience achieving compliance with accessibility standards (WCAG, etc.)Strong analytical and critical thinking skills and ability to work within a team-oriented environmentStrong experience in CI/CD practicesExtensive exp ...

Manager software engineer in London Agiloft

Experience and SkillsExperience achieving compliance with accessibility standards (WCAG, etc.)Strong analytical and critical thinking skills and ability to work within a team-oriented environmentStrong experience in CI/CD practicesExtensive exp ...

Senior Full Stack Engineer

Senior Full-stack engineer Manchester (Hybrid or UK remote) £400-£450 p/d 2-3 days a week Outside ir35 I’m looking for a senior engineer to own a key project working end-to-e ...

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    Fullstack Engineer C Python React Data Management Jobs in United Kingdom Job Search Guide, Trends and Insights