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    Senior Data & API Engineer — Ads Analytics

    Roku is looking for a Senior Software Engineer in Cambridge, UK, to bridge software and data engineering. You will develop APIs using Spring Boot and manage data pipelines with Apache Spark. Ideal candidates will have over 10 years of experience, with skills in distributed computing and data visualization. Roku ...

    Lead Java & AWS Engineer — FinTech Cloud & Microservices

    A leading financial services firm in Glasgow is seeking a Lead Software Engineer to join their Corporate Technology team. The role involves designing and developing web applications, managing stakeholder relationships, and leading technical reviews. Candidates should have at least 5 years of experience in softwa ...

    Principal DevSecOps Engineer: AI Delivery Platform

    A leading technology firm is seeking an experienced Principal Software Engineer (DevSecOps) to drive the DevSecOps strategy. You will design automated CI/CD pipelines and enforce security best practices across engineering teams. The ideal candidate has over 12 years of software engineering experience, focusing o ...

    Platform Engineer & SRE — Own Scalable, Reliable Infra

    Ashby is looking for a Platform Engineer based in Belfast, Northern Ireland, to elevate its hiring software. The right candidate will have a strong background in infrastructure and software development with experience in SQL, TypeScript, and security best practices. You will work in a collaborative environment, ...

    Backend Engineer II — Remote UK (Golang)

    CybSafe is looking for a highly skilled Software Engineer to join its dynamic team. This role involves designing, developing, and deploying advanced software solutions. You'll collaborate with cross-functional teams and mentor junior engineers. The ideal candidate has 3-5 years of experience with Golang, strong ...

    Senior Java Engineer – Lead Modernization & APIs (Hybrid)

    Target Group is looking for a Senior Software Engineer (Java) to join their team in Cardiff. This permanent role offers a competitive salary of up to £50,000 and a hybrid working model. The successful candidate will lead projects, mentor junior engineers, and develop robust software solutions. Experience with Ja ...

    Senior DevOps Architect Cloud & Automation Leader

    Mastercard is seeking a Principal Software Engineer to join their Operations Automation Program in Greater London. This role involves automating and managing cloud infrastructure, driving DevOps initiatives, and collaborating with global teams. The ideal candidate has over 10 years of experience in software engi ...

    Senior ADAS Infotainment Integration & Test Engineer

    JLR in Gaydon is seeking a Senior Software Integration & Test Engineer for ADAS Infotainment Visualisation HMI. This role involves creating structured software test cases, managing testing progress, and leading integration processes. The ideal candidate will have a deep understanding of HiL and SiL testing and s ...

    Satellite/RF Embedded Test & Validation Engineer

    IC Resources is looking for an Embedded Software Test & Validation Engineer in Farnborough, United Kingdom. This role involves working closely with software, hardware, and RF teams to develop test strategies, and ensure rigorous validation of advanced satellite communications systems. The ideal candidate will ha ...

    QA Engineer — Hybrid: Manual & Automation Testing

    Low Carbon Contracts Company is seeking a QA Engineer to ensure the quality and reliability of software systems. The role involves executing test cases, managing test data, and collaborating with cross-functional teams. Candidates should have a solid understanding of the software testing lifecycle and experience ...

    Principal Vulnerability Engineer LLM Powered Research & Tools

    watchTowr is seeking a Principal Vulnerability Engineer in the Greater London area to engage in hands-on vulnerability research and software engineering. You will lead security efforts on critical vulnerabilities, build production-quality tools, and innovate with LLM technologies. Candidates should have 5+ years ...

    Backend Engineer Crypto Trading Platform (Go)

    Talos, based in London, is seeking a Software Engineer to build high-performance backend systems for crypto trading. You will work on various components including order routing and risk systems, ensuring performance and security in a fast-paced environment. Candidates should have over 3 years of software enginee ...

    M365 Apps Engineer Teams & SharePoint Specialist

    Peaple Talent is looking for an Application Engineer to manage and support their Microsoft 365 environment in Bath, England. Responsibilities include regular maintenance of applications, installation and upgrades of software, and collaboration with IT trainers for software training materials. Ideal candidates wi ...

    Platform Engineer: OpenStack & Cloud Infra

    Viridien is seeking a Platform Engineer to design, build, and improve infrastructure and platform systems supporting software deployment across distributed environments. This role involves working with OpenStack and Kubernetes, and improving system reliability and observability. The ideal candidate should have p ...

    Data Infrastructure Engineer for AI Data Ingestion

    Speechify is looking for a Software Engineer to join their AI team in Cupar Muir, Scotland. This position focuses on developing and managing data ingestion pipelines crucial for model training operations. The ideal candidate will have a strong foundation in software development with over 5 years of experience, i ...

    Senior Backend Engineer, AI Infra & Scale

    Nebius is looking for a software engineer in Greater London to join their team focused on AI cloud infrastructure. The role involves scaling distributed systems, optimizing AI performance, and enhancing system reliability. Candidates should have at least 5 years of software development experience, strong skills ...

    Principal Backend Engineer Cross‑Team Leader (Hybrid)

    SLAMcore is looking for a Senior Staff Software Engineer to drive backend software engineering projects while leading multiple engineering teams. The role involves ensuring backend stability, project ownership, and evaluating work based on commercial impact. Applicants should have at least 10 years of experience ...

    Real Time Control Systems Engineer

    Motorsport Network in Brackley, UK is looking for a Control Systems Engineer to develop and maintain real-time control system software for non-F1 projects. The successful candidate will design, implement systems using MATLAB and Simulink, enhance software processes, and collaborate across teams. Qualifications i ...

    Senior AEM Engineer (Hybrid) — Build Digital Experiences

    Nuffield Health is seeking a Senior Software Engineer with expertise in Adobe Experience Manager (AEM) to enhance our digital services. The role involves full-stack development and collaborating with cross-functional teams in a hybrid working environment. The ideal candidate will have strong skills in AEM 6.x, J ...

    Senior Full Stack Engineer — Hybrid (Edinburgh)

    Lloyds Bank plc is seeking a Senior Software Engineer (Full Stack) in Edinburgh. This role involves writing modular applications, ensuring software standards, and mentoring junior members. The ideal candidate will be proficient in Node JS, React, and Typescript. Competitive salary range is £72,702 - £109,053 wit ...

    Staff AI Systems Engineer LLMs & AWS

    StepStone Group in Greater London is seeking a Staff Software Engineer (AI) to design and build agentic AI systems. This strategic role focuses on integrating LLMs into reliable architectures. Responsibilities include leading AI solutions, collaborating with cross-functional teams, and shaping product deployment ...

    Senior Frontend Engineer AI Enhanced React

    Elsevier is seeking a talented Frontend Software Engineer in Greater London to develop modern web applications used by millions. The role emphasizes strong skills in React and Node.js, along with a collaborative mindset. Candidates should be enthusiastic about integrating AI tools to enhance their software devel ...

    Realtime Quant Platform Engineer: Scale & Research

    G-Research, located in Greater London, seeks a Software Engineer in Realtime Quant Frameworks. This role involves building systems that support high-performance research, leveraging F#, Python, and Kubernetes. Ideal candidates will have strong software engineering backgrounds and familiarity with distributed sys ...

    Java Backend Engineer for Secure Intelligence Platforms

    Envitia in Cheltenham is seeking a Java Software Engineer for their Security and Intelligence consulting team. The role involves designing, developing, and maintaining secure software services in classified environments. Candidates should have experience with Java, microservices, and APIs, and work collaborative ...

    Senior Embedded UI Engineer: High Performance Grid

    Roku, Inc. in Cambridge is looking for a Senior Software Engineer specializing in UI Infrastructure. The role involves developing core features for the Roku platform, enhancing the embedded UI framework, and collaborating with cross-functional teams. Candidates should have 5+ years of experience in software engi ...

    Production ML Engineer for Renewable Energy (6 Month Contract)

    ONYX Insight is seeking an ML Engineer for a 6-month contract to develop and deploy machine-learning solutions in the renewable energy sector. In this role, you'll be responsible for building scalable software that supports AI models, working closely with Data Scientists and Software Engineers. Strong experience ...

    Emulation Hardware Engineer — Hybrid Ops & Automation

    Siemens EDA (Siemens Digital Industries Software) seeks a motivated Emulation Hardware Support Engineer. The role involves maintaining, monitoring, and optimizing emulation products across various environments. You will collaborate with R&D, Customer teams, and Operations to ensure system reliability and perform ...

    Electronics Design Engineer – Onsite, PCB & Embedded C

    Chroma Recruitment is seeking an Electronics Design Engineer to join their R&D department in Wigan. The role involves designing and developing electronic products, while collaborating with both hardware and software engineers. Candidates should have at least 2 years of experience with PCB design, embedded softwa ...

    RegTech Backend Engineer Graduate – Flexible Hours

    Suade is seeking a RegTech Engineer to join their Graduate Software Engineering programme in London. You will work on developing innovative RegTech software, translating regulatory requirements into code primarily using Python, and collaborating with a diverse team. This role includes responsibilities ...

    Senior QA Engineer: Growth Driven Quality & Automation

    Java Script Works is seeking a seasoned software engineer in Greater London. The ideal candidate will have at least 5 years of experience in QA and software engineering, along with proficiency in one or more programming languages such as Java, TypeScript, or Python. You will be responsible for producing high-qua ...

    Senior Fullstack Engineer, Signals Remote Security

    Entrust is seeking a Senior Fullstack Software Engineer for their Signals Team in London. This role involves designing and developing secure, scalable applications while mentoring other engineers. Successful candidates will have 5+ years of experience in fullstack development, strong skills in React/TypeScript a ...

    Engineering Lead: Architecting Scalable Systems

    JPMorgan Chase & Co. is seeking an experienced software engineer in Greater London. The role involves leading system design and development using Java or Python, driving technical improvements, and mentoring junior engineers. Candidates should possess hands-on experience in software development, a deep understan ...

    Senior Rust Engineer — Fintech Lending Platform (Hybrid, London)

    Kubelt is hiring a Senior Software Engineer to build an innovative Digital Assets Lending Marketplace in London. You will collaborate with various teams to create a reliable platform for institutional customers, ensuring safety and correctness. This role involves designing core services, managing workf ...

    Cloud Sustaining Engineer Open Source & Linux

    Canonical Group Ltd is seeking a Software Engineer for Sustaining Engineering to work on Linux-based infrastructure. This role allows you to troubleshoot issues and develop software for upstream fixes, collaborating with global teams in a remote setting. Successful candidates will possess strong experi ...

    Junior IoT & Embedded Systems Engineer Flexible Growth

    BES Group in Warrington is seeking a Junior IoT & Embedded Systems Engineer to join their Asset Reliability team. In this role, you'll develop skills in embedded systems, working with hardware and software components to support asset reliability solutions. You will contribute to building and prototypin ...

    Senior Automation Control Engineer Rockwell PLC/SCADA

    Solvex Solutions is seeking a skilled Sr Control System Engineer to join our innovative automation engineering team in the West Midlands. This role requires strong expertise in PLC/SCADA software development and commissioning within industrial automation environments. In this position, you will develop ...

    Lead Data Migration Engineer

    Royal London is seeking a Lead Software Engineer (Data Migration) to join their Customer Group Technology and Change function. This role involves leading complex technical solutions, providing expertise in Data Migration, and ensuring high-quality software delivery. Candidates should have strong technical skills ...

    Senior Firmware Engineer — Embedded Platform Emulation

    Roku, Inc. is seeking a Senior Software Engineer to advance our platform emulation product. Responsibilities include optimizing software for Roku OS, troubleshooting issues, and contributing to development best practices. The role requires strong C++ skills and a solid understanding of Linux systems programmi ...

    Senior AI Systems Engineer – Production Scale Conversational Agents

    Durlston Partners LLP is seeking a Senior Software Engineer to join a leading AI organization in London. This role is central to developing next-generation conversational agents that enhance customer interactions. The ideal candidate will have 2+ years of experience in software engineering, with strong ...

    Senior Full Stack Engineer: AI First, LLM Driven Payments

    Ophelos Limited is looking for a Senior Software Engineer (Full Stack) in London. The role involves designing and delivering software with ownership, mentoring team members, and collaborating in a hybrid environment. The ideal candidate should have at least 5 years of experience, proficiency in TypeScr ...

    Senior Software Architect (Hybrid) C#, WPF & Microservices

    A leading recruitment agency is looking for a Senior Software Engineer to work in Taunton with a hybrid model (2 days on-site weekly). The role involves designing and maintaining applications using C#, WPF, and Vue.js, contributing to architectural decisions, and collaborating in an agile setting. Requires 5+ ye ...

    Senior SDET Ad Feature Automation (Python) Hybrid

    Roku, Inc. in Cambridge, England is seeking an experienced Software Development Engineer in Test to own quality assurance for ad features on the Roku platform. The role includes collaboration on feature testing, automation strategy, and enhancing customer experience. Candidates should have over 5 years of softwa ...

    Embedded Video Engineer Real World Playback & Linux

    BrightSign LLC is seeking an embedded software engineer in Cambridge, UK. You will develop and optimize media playback features across various platforms, debug issues across embedded Linux, and collaborate with a technical team. Key qualifications include strong C/C++ skills, experience in embedded software, and ...

    Product Engineer for AI R&D Tools & Systems

    Ankar is seeking a product-minded software engineer to build scalable R&D tools for the AI era. You'll design, develop, and iterate on user-facing products while collaborating with teams to deliver meaningful improvements. Successful candidates will have experience in software engineering, strong produ ...

    Quality Engineer: CI/CD, Observability & Scale

    Postcode Loterij is seeking an experienced Quality Engineer based in Edinburgh or Amsterdam. This hands-on role emphasizes building quality throughout the software development lifecycle, leveraging automation, and closely collaborating with development teams. The ideal candidate will have 5+ years of e ...

    Emulation Hardware Engineer: Field & Remote Support

    A leading global software company in Newbury is seeking a highly motivated Emulation Hardware Support Engineer to optimize emulation products and infrastructure. This role combines hands-on support with a focus on scalability and service reliability. The ideal candidate will address complex hardware issues, cond ...

    Forward Deployed Apps Engineer: AI Driven Simulations

    A deep-tech company in Greater London is seeking a Software Engineer to develop AI-driven simulation software. This role involves working closely with customers on engineering challenges and requires expertise in full-stack development, particularly with HTTP frameworks and SQL. Successful candidates will collab ...

    Remote Data Infrastructure Engineer for AI Data Pipelines

    Clutch Canada is looking for a skilled Software Engineer to join its AI team. The role involves data collection for model training, requiring expertise in software development, scripting, and cloud infrastructure. Ideal candidates have 5+ years of industry experience, proficiency in Linux scripting and Docker, a ...

    Real Time C++ Systems Engineer Linux, Containers & CI/CD

    Expleo is seeking a highly experienced Software Engineer based in Manchester, UK. The role requires strong expertise in modern C++ development for real-time, distributed systems deployed on Linux. Responsibilities include designing and maintaining high-quality software, developing and deploying on Linux targets, ...

    Senior Lead Java Backend Engineer Cloud Microservices

    TwinThread is seeking a Senior Lead Software Engineer in Greater London to deliver end-to-end solutions for cloud-native microservices applications. The ideal candidate will have significant experience in back-end software engineering, specifically with Java and cloud technologies. Responsibilities include ensur ...

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      Software Engineer Reactpythonc Jobs in United Kingdom Job Search Guide, Trends and Insights