Senior Software Engineer Fullstack Python React Jobs in UK

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Senior Security Engineer: Secure, Scalable Apps

A leading global financial services firm is seeking a Software Engineer III to join their agile team in Bournemouth, England. The successful candidate will design and deliver trusted market-leading technology products. Responsibilities include developing secure production code, analyzing large data sets, and con ...

Senior Backend Engineer for Scalable Data & AI Systems

A data-driven software company in Greater London is seeking a Backend Software Engineer to lead the architecture and development of scalable backend services. The role involves building robust APIs, collaborating with other engineers, and optimizing performance. Candidates should have 6+ years of experience in b ...

Platform Observability Lead – Cloud Telemetry & DX

A leading global bank is seeking a Lead Software Engineer in Greater London. In this role, you'll enhance the developer experience through scalable observability tools that support cloud-native services. The ideal candidate has a strong software engineering background, hands-on experience with Python and cloud t ...

Senior Backend Engineer (Java & Spring) | Microservices

Elsevier in Oxford is seeking a Software Engineer III to design and develop backend services using Java, Spring Boot, and Python in a collaborative agile environment. This role involves enhancing document transformation services and APIs while working with cloud technologies like AWS and Kafka. The ideal candida ...

Senior Platform Engineer: AI Driven SDLC & Cloud Ops

A diversified trading firm is seeking a skilled Software Engineer to design and maintain build/release/run tooling for development teams. Candidates should have six or more years of experience in software engineering and proficiency in GitHub Actions and at least one programming language such as Python, Go, Java ...

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 ...

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 ...

Staff ML Engineer: Developer Tools & ML Deployment

ARM in Cambridge, UK, is hiring a Staff Software Engineer to join their innovative team. You will work on developer-facing tools and contribute to machine learning software solutions. The role requires expertise in Python and/or C++, strong problem-solving skills, and the ability to collaborate within teams. The ...

Lead AI Engineer Production ML for Workday

Kainos in Derry/Londonderry is looking for a Lead AI Engineer to join their team. In this role, you will bridge the gap between data science and software engineering, focusing on deploying AI and machine learning solutions that enhance Workday products. The ideal candidate has extensive experience in s ...

AI Engineer, Enterprise Product AI – Hybrid UK

A technology solutions firm in Bracknell is seeking an AI Engineer to build intelligent capabilities into their enterprise products. You will develop new AI features and work closely with product teams to enhance existing software. Essential skills include experience in AI engineering, software fundamentals in P ...

Barcelona Based Lead AI Platform Engineer (Hybrid)

Clarivate is seeking a Lead Software Engineer for Al Product Development to join their AI Engineering team in Greater London. This role involves designing scalable AI-powered software solutions, collaborating with cross-functional teams, and shaping AI platform initiatives from concept to implementation. Ideal c ...

Principal Software Engineer, Margin Tech Hybrid & Impact

Citibank (Switzerland) AG is seeking a Principal Software Engineer to join its global technology team in Greater London. The role focuses on building robust technical solutions for complex business challenges, emphasizing distributed systems design and cloud services including AWS. Candidates should have strong ...

Data Infrastructure Engineer — AI Data Ingestion

Speechify is seeking a Software Engineer to support data operations for AI model training. This role involves finding audio data sources, managing cloud infrastructure on GCP, and collaborating with scientists to enhance data quality and cost efficiency. Ideal candidates should have a BS/MS/PhD in Computer Scien ...

Data Infrastructure Engineer for AI Data Ingestion

Clutch Canada is looking for a Software Engineer to join its data team at Speechify. This role involves sourcing audio data for machine learning and managing cloud infrastructure on GCP. The ideal candidate has at least 5 years of software development experience and skills in bash/Python, Docker, and cloud syste ...

Robotics Test Engineer: Real Robot Validation & CI/CD

Humanoid is seeking a Robotics Test Engineer in Greater London to validate software releases and evaluate policies for our humanoid robots. Candidates should have over 3 years of experience in software test engineering, a strong proficiency in Python, and familiarity with ROS2. The role involves both manual and ...

Embedded Systems Software Engineer — Real World Solutions

Shillito Group is seeking a Software Engineer - Embedded Systems for its Sheffield operations. This role involves designing, developing, and testing software for existing and new products while collaborating with engineers and product managers. The ideal candidate will have a degree in a technical disc ...

Software Engineering Team Lead

Software Development Team Lead (Node.js / TypeScript) Remote (UK) | Cambridge office ~1-2 days/month | Permanent | £75,000 We’re partnering with a well‑established global software provider operating in the intelligence, public safety, and security technology space. Backed by a large i ...

Cloud Native QAT Automation Engineer | DevOps & CI/CD

La-Fosse-1 is seeking a highly skilled QAT Automation Engineer / DevOps Test Engineer to join a cloud-native software engineering team. The successful candidate will leverage AWS, Python, and CI/CD skills to improve automation and deployment processes within a secure government programme. The role offers hybrid ...

Software Development Team Leader, Verification

Job Description As a Software Development Team Leader, you will help drive innovation, mentor top talent, and shape the future of our platform with cutting‑edge technology, to deliver optimal software solutions. Verification is vital to the Business due to the regulated nature of the juri ...

Software Development Team Leader, Verification

Job Description As a Software Development Team Leader, you will help drive innovation, mentor top talent, and shape the future of our platform with cutting‑edge technology, to deliver optimal software solutions. Verification is vital to the Business due to the regulated nature of the juri ...

Senior Front End Developer

We are seeking aSenior Front-End Software Engineer to play a key role in translating UI/UX designs into responsive, high-quality front-end interfaces using Blazor and related technologies. This role involves developing reusable components, ensuring cross-platform compatibility, and collaborat ...

Senior Full Stack Engineer

Senior Full Stack Developer Reporting to: Engineering Manager Office Environment: Hybrid (minimum two days per week) Type: Full time, permanent Join Our Mission Skip the queue. Shape the future. See real impact. At QuantSpark, we're transforming how data ...

Developer Tools Engineer: CLI, API & IDE for Scale

nineDots.io in Northern Ireland is looking for a skilled Software Engineer to build tools that empower developers. You will work on CLI, Terraform integrations, and APIs, focusing on thoughtful design and long-term support. The ideal candidate has over four years of experience in software engineering, with stron ...

Lead Robotics & Automation Engineer

Lead Robotics & Automation Engineer | Poole | £100,000 Are you motivated by ownership, technical depth, and building automation that genuinely works in production? This role offers full control of automation within a precision manufacturing environment, where your engineering decisions directly im ...

Forward Deployed Engineer

About HappyRobot HappyRobot is the AI-native operating system for the real economy—a system that closes the circuit between intelligence and action. By combining real-time truth, specialized AI workers, and an orchestrating intelligence, we help enterprises run complex, mission‑critical operation ...

Senior DevOps Engineer

Oritain is the global leader in product verification, with locations in Auckland, Dunedin, London, Singapore and Washington D.C. Our Mission: Science, Technology and Global Impact Our mission is to protect people and the planet by harnessing science, technology and services to build a com ...

Junior Automation QA Engineer: Global Music & Tech [209794]

Junior Automation QA Engineer: Global Music & Tech Location: London (Hybrid) | Sector: Music Technology / Mobile Applications | Experience: Junior / Entry-level with Python knowledge The Mission: Quality at the Heart of Discovery Are you a Junior QA Engineer with a passion for mus ...

Technical Lead

Head of Engineering / Senior Engineering Manager (Go / GCP) £80,000 - £90,000 + benefits London - 1-2 days per week onsite (potential flexibility for the right person) We’re working with a growing AI/infrastructure technology business building cutting-edge software used across ...

Senior DevOps Engineer

Senior DevOps Engineer – FinTech SaaS Scale-Up – London / Remote (Tech Stack: DevOps Engineer, AWS, Azure, Kubernetes, Docker, Linux, Istio, Terraform, Helm, Go, Python, C#, Prometheus, Grafana, ELK, Ansible, Concourse, Nexus, SonarQube, Cloud, DevOps Engineer) We’re looking for a Seni ...

Senior DevOps Engineer

Senior DevOps Engineer – FinTech SaaS Scale-Up – London / Remote (Tech Stack: DevOps Engineer, AWS, Azure, Kubernetes, Docker, Linux, Istio, Terraform, Helm, Go, Python, C#, Prometheus, Grafana, ELK, Ansible, Concourse, Nexus, SonarQube, Cloud, DevOps Engineer) We’re looking for a Seni ...

DevOps Engineer

This range is provided by Movement8. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Movement8 DevOps Engineer - Ansible | CI/CD | AWS | Python - Onsite 5 Days a Week ...

Software Developer LinuxRecruit

Overview Developments and coincide your own progression alongside the upwards trajectory of the company. You will use your experience with Golang/Python and also functional programming experience with Golang/Haskell/Erlang to develop scalable solutions, identify and enhance required. Respo ...

AI Engineer Financial Service Consulting

Description AI Engineers & Technical AI LeadersScotland | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI engineering, build ...

AI Engineer Financial Services Consulting

Description AI Engineers & Technical AI LeadersManchester | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI en ...

AI Engineer Financial Service Consulting

Description AI Engineers & Technical AI LeadersLondon | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI engine ...

AI Engineer Financial Service Consulting

Description AI Engineers & Technical AI LeadersScotland | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI engineering, build ...

Technical Lead

A high-growth FinTech is expanding its engineering leadership and is looking for a Tech Lead to guide the development of core platform capabilities. Their products enable businesses across the UK, and the organisation is scaling quickly as demand increases. This position is ideal for someone who enj ...

Consulting Engineer Forward Deployed (Palantir)

Role Consulting Engineer - Forward Deployed (Palantir) Location London Salary Competitive salary and package dependent on experience. Career Level Specialist Accenture Palantir Business Group (APBG) is a deep data and AI group founded ...

Verification Validation Engineer

Senior Verification & Validation Engineer / Tooling / Python / Linux / Location: Wallingford - Oxfordshire Permanent At Dexory, we are transforming the warehousing and logistics industry through data intelligence. < ...

Verification Validation Engineer

Senior Verification & Validation Engineer / Tooling / Python / Linux / Location: Wallingford - Oxfordshire Permanent At Dexory, we are transforming the warehousing and logistics industry through data intelligence. < ...

Verification Validation Engineer

Senior Verification & Validation Engineer / Tooling / Python / Linux / Location: Wallingford - Oxfordshire Permanent At Dexory, we are transforming the warehousing and logistic ...

Solutions QA Engineer

Solutions QA Engineer (AI‑Driven Testing)Basingstoke | Hybrid (4 days office)£45,000 - £52,000 per annum | Full‑timeCANNOT PROVIDE SPONSORSHIPAre you a QA Engineer excited by AI powered testing, automation, and modern validation techniques? Do you enjoy building smart test framewo ...

Staff Full Stack Software Engineer, (Forward Deployed), GPS

Scale's rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality trainin ...

Mobile Application Developer (Android)

Join the DataAnnotation team and contribute to developing cutting-edge AI systems while enjoying the flexibility of remote work and setting your own schedule. We are looking for proficient programmers to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a g ...

Enterprise Application Developer AI Trainer

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for proficient programmers to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a ...

Software Development Team Leader, Risk and Regulatory

Software Development Team Leader, Risk and Regulatory Stoke-on-Trent Technology As a Software Development Team Leader, you will help to drive innovation, mentor top talent, and shape the future of our platform with cutting‑edge technology to deliver optimal software solutions. Ful ...

Full Stack Engineer

Paid time off (holiday / sick pay) Private healthcare/ insurance Remote / work from home options Company profile - AI Software Start-up You will be joining a growing AI start-up building tools that help businesses and charities create high-quality e-commerce ...

Fintech Pensions — Senior Full Stack Engineer (Remote)

A leading recruitment agency in the United Kingdom is seeking a Lead Engineer to join a fintech startup focusing on pensions. The ideal candidate will possess skills in full stack development using React, Node.js, and TypeScript. This mid-senior level position allows for growth, even for those without prior peop ...

Senior Full Stack Engineer — AI Martech (Hybrid/Remote UK)

A leading venture capital firm in the UK is seeking a Senior Full-Stack Engineer to develop LLM-powered products in marketing technology. You will lead the design and implementation of scalable web applications, ensuring collaboration with AI engineers and product managers. The role demands 5+ years in full-stac ...

Remote Senior Backend Engineer Kotlin Microservices

A leading research technology firm in the UK seeks a Senior Backend Engineer to design solutions and mentor junior engineers. The role involves shipping code primarily in Kotlin and React, with a focus on scalability and precision. Candidates should have a STEM degree, experience in a mature Engineering team, an ...

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    Senior Software Engineer Fullstack Python React Jobs in United Kingdom Job Search Guide, Trends and Insights