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    Senior Network Automation Engineer — Remote First & API Champion

    Megaport is seeking a Senior Engineer in the United Kingdom to enhance their Perl code base and manage backend services. This role requires collaboration with junior engineers, building RESTful APIs, and reducing technical debt. The ideal candidate should have over 5 years of experience in software dev ...

    Principal Software Consultant

    Our client is a UK-based technology and innovation company that develops advanced software, cyber security, and digital solutions for complex and mission-critical environments. Working across research, product development, and consultancy, the company helps organisations solve challenging technical problem ...

    Enterprise Security Engineer (AI & Enterprise Security)

    All Jobs > Enterprise Security Engineer (AI & Enterprise Security) Enterprise Security Engineer (AI & Enterprise Security) Hybrid Remote • United Kingdom / Ireland, GBR • Cybersecurity Description Job Title: Enterprise Security Engineer (AI & Enterprise Security) Working ...

    Senior Security Engineer, Amazon Security Automation

    DescriptionAt Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s products and services. We offer talented security professionals the chance to acc ...

    Test Automation Engineer

    This range is provided by CRFS. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Senior Technical Recruiter | Head of Talent (Embedded) @ CRFS We design and deploy world-leading RF spectrum-monitoring and intelligence systems that protect cr ...

    Senior Test Automation Engineer – API & UI in SAFe

    Infinity Quest is looking for a Test Automation Engineer to design, develop, and maintain automated test solutions for banking applications. The role focuses on ensuring quality and performance through robust testing methods and collaboration with various teams. Applicants should have over 10 years of ...

    Senior C# .Net Core API Engineer with AWS

    Senior C# .Net Core API Engineer with AWS Join to apply for the Senior C# .Net Core API Engineer with AWS role at Reapit Reapit is the original end-to‑end business technology provider for estate agencies of all sizes. We’ve been helping sales and lettin ...

    Senior C# .NET Core API Engineer — AWS Microservices

    A leading technology firm in the United Kingdom is seeking a Senior C# .Net Core API Engineer with AWS expertise. You will design and develop high-performance REST APIs and cloud-native applications, collaborating with cross-functional teams to deliver exceptional software features. The ideal candidate has a str ...

    Cyber Security Engineer – MSP Security & Compliance

    A growing Managed Service Provider in the UK is seeking a Cyber Security Engineer to join their technical team. The ideal candidate will leverage their service desk or infrastructure background to specialize in security. Responsibilities include responding to cyber security incidents, monitoring security platfor ...

    Senior Windows Security Engineer Security & Automation

    A leading global trading and technology firm is looking for a Senior Windows Security Engineer to manage security across its Windows systems. This role involves designing robust security controls, leading vulnerability management, and developing automation for endpoint protection. Candidates should have extensiv ...

    Security & Network Engineer: IT Infrastructure & Security

    A leading events venue in the United Kingdom seeks a Security & Network Engineer to provide hands-on IT support, maintain network infrastructure, and enhance security measures. The ideal candidate should have strong customer service skills and experience with Windows environments, TCP/IP, and DHCP. Additional kn ...

    AI Engineer (Agentic Systems)

    The Role We’re looking for an AI Engineer to help build and run customer‑facing AI agent capabilities in production. You’ll work in a team of highly skilled engineers delivering reliable, secure, and observable agent‑driven workflows. Our orchestration backbone is Akka (Java), deployed on AWS, wi ...

    Principal Java Architect: AWS, Microservices & Scale

    Principal Java Engineer (AWS / Microservices) Salary: Up to £100,000 + Bonus + Benefits Location: Coventry or Central London - Hybrid (2 days per week onsite) Working Hours: 40 hours per week - Full time Job Typ ...

    Principal Engineer (Java) up to £100,000 + Bonus Hybrid

    Principal Java Engineer (AWS / Microservices) Salary: Up to £100,000 + Bonus + Benefits Location: Coventry or Central London - Hybrid (2 days per week onsite) Working Hours: 40 hours per week - Full time Job Typ ...

    AWS Platform Engineer

    Overview At CGI, we help clients accelerate digital transformation through secure, scalable, and innovative technology solutions. As an AWS Platform Engineer, you will play a pivotal role in shaping and evolving enterprise DevOps capabilities across critical cloud and application platforms. You w ...

    DevSecOps Engineering Manager

    DevSecOps Engineering Manager Location: Remote (UK)Permanent Overview We’re seeking an experienced DevSecOps Engineering Manager to lead the adoption and integration of security practices across our development and operations ecosystem, with a strong emphasis on AWS ...

    Senior Backend & ML Platform Engineer

    WeAreTechWomen is seeking a Software Engineer to contribute to the verification platform's development. This role involves designing backend services and iterating on machine learning models to detect spam in Shopping. The ideal candidate will have a degree, experience in software development, and skil ...

    Backend Java Developer Public Sector

    Introduction At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and ...

    Staff Platform Engineer: API Edge & Cloud Infra Leader

    A leading fintech company is seeking a Staff Platform Engineer to design and optimize our API management solutions. This role offers the opportunity to work in a hybrid environment, collaborating with cross-functional teams to ensure high performance and reliability of our systems. Candidates should have extensi ...

    Software Development Engineer in Test

    About us @Symphony Secure. Connected. Intelligent. Symphony is an AI-powered communication and technology company fueled by interconnected platforms: messaging, voice, directory and analytics. Our end-to-end encrypted technologies enable over 1,400 institutions to accelerate ...

    Staff Product Security Engineer: Lead Threat Modeling & AI

    Chainalysis Inc. in Greater London is seeking a Staff Product Security Engineer to lead security efforts across their SaaS platform. You will partner with engineering on security processes, run reviews, and handle bug reporting workflows to ensure robust application security. The ideal candidate will h ...

    High Assurance Software Engineer with DV/eDV Clearance

    Searchability is seeking experienced Software Engineers in Manchester or London to join their cybersecurity team. This role requires developing high-assurance software solutions that support national security. The position offers a flexible working environment and a commitment to career development. Su ...

    Senior Back End Developer Java And AWS

    Use your Java and AWS knowledge to build secure, scalable cloud-based services for medical researchers. London with hybrid working; to £90k DoE + options and benefits. This company is developing an AWS-based platform to securely share medical diagnostics between clinicians and researchers w ...

    Senior Back End Developer Java and AWS

    Use your Java and AWS knowledge to build secure, scalable cloud-based services for medical researchers London with hybrid working; to 90k DoE + options and benefits This company is developing an AWS-based platform to securely share medical diagnostics between clinicians and re ...

    Senior Software Engineer: Lead & Mentor on Scalable Systems

    A leading insurance provider in Greater London is seeking an experienced software engineer proficient in JAVA, .NET, and JavaScript. The role involves consulting with users, guiding teams, and developing innovative software solutions. Candidates must possess a strong programming background and be familiar with A ...

    Lead Software Engineer Build Secure, Scalable Systems

    A leading technology firm in Cheltenham is seeking a Principal Software Engineer. This role involves leading a team, working through the software development lifecycle, and ensuring customer requirements are met. Candidates should have strong experience in Java or frontend technologies, excellent communication s ...

    Hybrid Data Lead Engineer Python/TypeScript + GraphQL

    Java Script Works is searching for a Lead Software Engineer - Data based in Greater London, United Kingdom. This hybrid role focuses on optimizing the platform's performance, requiring strong programming skills in Python and TypeScript, alongside knowledge of the full Software Development Life Cycle (SDLC). Remu ...

    Lead Java AI Engineer: AWS, Data & Agentic AI

    JPMorganChase is seeking a Lead Software Engineer to design and deliver cutting-edge technology products that transform business operations. You will develop advanced AI and data engineering solutions and support critical business objectives. The ideal candidate possesses deep expertise in software dev ...

    Lead Java Engineer for Risk Intelligence Platform

    London Stock Exchange Group in Nottingham is seeking a Lead Software Engineer to spearhead software development for risk intelligence. This role involves collaborating with architects and product managers to design critical systems. The ideal candidate will have substantial experience in Java and techn ...

    Full Stack Developer & Automation Specialist

    Full-Stack Developer & Automation Specialist Norwich Office (In-Office) Full-time Monday to Friday About the Role My client is looking for a versatile, forward-thinking Developer to join their team in Norwich. This isn't your standard, repetitive coding job. You ...

    Full Stack Developer & Automation Specialist

    Full-Stack Developer & Automation SpecialistNorwich Office (In-Office)Full-time Monday to FridayAbout the RoleMy client is looking for a versatile, forward-thinking Developer to join their team in Norwich.This isn't your standard, repetitive coding job. You will be wor ...

    Senior Software Engineers Ref. 3667

    About Us GCHQ is an intelligence, cyber, and security agency with a mission to keep the UK safe. We use cutting‑edge technology, ingenuity, and partnerships to identify, analyse, and disrupt threats, working with MI5 and MI6 to protect the UK from terrorism, cyber‑attacks, and espionage. <h3 ...

    Software Developer

    Software Developer Job ID: 4905 Location: Farnborough, ENG, GB Date: May 7, 2026 Qualifications, skills and abilities Full-Stack Software Developer The company At Jenoptik UK, we design and build advanced ANPR camera syst ...

    Senior Java Engineer Payments Platform & Cloud

    A leading financial services firm in the UK is seeking a Software Engineer III to enhance and deliver payment capabilities. This role involves building high-quality software, troubleshooting issues, and working with an agile team. Candidates should have extensive experience in Java, cloud-native applications, an ...

    Platform Engineer

    Are you a Security Cleared (SC) Platform Engineer, who thrives at the intersection of robust cloud architecture, cutting-edge API management, and seamless automation? We are looking for a heavyweight Senior Platform Engineer to design, build, and optimise enterprise cloud solutions. This isn't just a maintenance ...

    Integration Engineer

    AWS Data & API Integration Engineer/Architect Location: London customer site – 1/2 days p/week on site Salary: Up to £105k DoE plus bonus Clearance: Active SC preferred - can sponsor if not currently held (British passport required) <l ...

    Enterprise Solutions Engineering, UK

    Who Are We? Postman is the world’s leading API platform, used by more than 40 million developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle an ...

    Software Engineer Android Developer

    Software Engineer Android Defence / MOD Contract or Permanent £500pd or £70k Cheltenham - 5 days a week + 1 day/week Herefordshire (for client visits) Security Clearance : It is an essential requirement for candidates to obtain UK Security Clearance (SC Level) prior to appointment. Ever built Android apps ...

    Senior Java Engineer Equities Platform Lead

    A global financial services firm is seeking a Lead Software Engineer to create and support innovative software solutions for their Equity Derivatives platform. The ideal candidate will have strong expertise in Java, Spring Boot, and JavaScript frameworks, with a focus on agile team collaboration. You'll work wit ...

    Senior Software Engineer Full Stack, Scalable Mobile

    Motorola Solutions is seeking a skilled Software Engineer based in Glasgow to develop mobile solutions for UK Fire Service customers. The ideal candidate will have extensive programming experience, particularly in Java or C#, and strong knowledge of software design patterns. Responsibilities include ar ...

    DV Cleared Full Stack Engineer | Hybrid, Secure Systems

    Forwardrole is seeking a Full Stack Software Engineer to join an agile engineering team in Romsey. The role involves developing secure software systems with technologies such as Java, Spring Boot, and modern JavaScript frameworks. The ideal candidate will be involved in collaborative design, implementa ...

    Java SDE II Build Scalable Microservices on Azure

    Tesco - Corporate in Welwyn Garden City is seeking a mid-level Software Development Engineer (SDE2) to contribute to technical leadership and software delivery. The ideal candidate has solid experience with Java and cloud technologies, including Azure and Terraform, also embracing Agile methodologies. ...

    VP Lead Software Engineer, Margin Tech — Hybrid

    Citigroup Inc. is hiring a Lead Software Engineer to join their global technology team in London. You'll be working on complex problems with a focus on delivering robust software solutions. Candidates should have significant software development experience and proficiency in languages such as Java and Python. Th ...

    AI Driven Lead Software Engineer (Remote)

    Scott Logic is seeking a Lead Agentic Software Engineer in Edinburgh to drive AI-augmented software development practices. You will lead a multidisciplinary team to solve complex software problems and influence client development practices. Ideal candidates should have strong technical leadership skills and a go ...

    Embedded Test Automation Engineer for IoT Medical Devices

    Medtronic is seeking a Software Development Engineer in Test to enhance our software testing lifecycle through the development of automated test solutions. Your role will encompass designing, developing, and maintaining automated frameworks, specifically for embedded systems used in operating rooms. Ca ...

    Remote AI Testing Lead: End to End QA for JVM Apps

    LinuxRecruit in Greater London is looking for a Software Testing Engineer to join a forward-thinking organisation at the forefront of AI in software testing. In this role, you will lead testing projects and drive automation using JVM languages like Kotlin and Java. A strong foundation in software engineering and ...

    Lead C# IoT & Cloud Software Engineer

    A technology company in Oxford is seeking a Senior Software Engineer to lead the development of IoT device and cloud platform software. The role involves developing and maintaining C# codebases, API development, and collaboration with technical teams. Ideal candidates will have 8 years of C# experience, familiar ...

    Senior Backend Engineer – Rates & FX (Cloud Native)

    A leading financial services provider in London is looking for a Senior Software Engineer to join their team. This role involves developing cloud-native solutions within an Agile framework and providing support and mentoring to team members. The ideal candidate will have extensive experience in .NET and API deve ...

    Middleware Engineer

    Middleware Engineer Location: London, Reading or Leeds – Hybrid – 2 to 3 days per week onsite Start Date: ASAP Contract Rate: £375-£460 per day inside IR35 Working Pattern: On-call shifts Duration: 6 to 12 months initially Role Overview Our client ...

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      Java Software Engineer Cloudnative Api Security Jobs in United Kingdom Job Search Guide, Trends and Insights