414,332+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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Software Engineer Rust

Software Engineer - Rust / Instrumentation A small engineering company developing bespoke instrumentation, automation and data acquisition systems is looking to hire a Software Systems Engineer to support continued growth. This is a hands-on role working on real-world engineering problems a ...

Embedded Software Engineer

Embedded Software Engineer - IoT If the following job requirements and experience match your skills, please ensure you apply promptly.Location: Leeds City Centre (Hybrid) Salary: £40,000 - £60,000 DOE KO2 specialises in the emb ...

Senior Software Engineer

Overview Expleo is seeking Software Engineers to join our growing Belfast team, delivering high-integrity engineering solutions across a range of complex and safety-critical domains. This role is ideally suited to candidates with experience in safety-critical or defence environments, though we al ...

Senior Software Engineer

The Role We’re looking for experienced Senior Software Engineers who enjoy building scalable systems, working with cloud infrastructure, and delivering high-quality software in production environments. This role sits at the intersection of software engineering and cloud/platform work. You ...

Senior Software Engineer

External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold yo ...

Senior Software Engineer

The Role Were looking for experienced Senior Software Engineers who enjoy building scalable systems, working with cloud infrastructure, and delivering high-quality software in production environments. This role sits at the intersection of software engineering and cloud ...

Senior Software Engineer

Arqit Belfast, Northern Ireland, United Kingdom Senior Python Developer – Arqit Overview Arqit is a global cybersecurity company delivering quantum-safe encryption to secure data and communications for enterprises, governments and critical national infrastructure (CNI). Powered by ...

Senior Software Engineer

The Role The Merchantware and Semi-Integrated platform is developed and maintained by our Belfast team. The platform handles millions of daily card transactions for customers ranging from small merchants to 70,000-seat stadiums. Throughput and resilience are critical as the platform is running at ...

Senior Software Engineer

Ctrl Alt is designing and operating the on-chain infrastructure powering digital capital markets globally. We bring together a unique blend of expertise in financial markets and cutting‑edge in‑house technology to deliver tailored, compliant solutions in the alternative assets space. Since launching in 202 ...

Senior Software Engineer

Senior Software Engineer London or Manchester (1–2 days per week onsite) Up to £115,000 + benefits Permanent We are looking for a Senior Software Engineer to join a leading Microsoft-focused consultancy delivering modern cloud-native solution ...

Senior Software Engineer

Senior Product Engineer | London | Hybrid £80,000 - £110,000 + meaningful equity Tech stack: Experience across some combination of: TypeScript / Node.js React.js / Next.js Golang Python Rust AWS or GCP </l ...

Quantum Software Engineer

At OQC, we aren’t just theorising about the future; we’re building it. Born from a philosophy of bold innovation, we’ve successfully transitioned quantum computing from an academic dream into a commercial reality. The most exciting thing is that we’re just getting started. As a Quantum Software Eng ...

Software Engineer (Linux)

Bold ideas start with bold people. At Ensera Design, we are a world‑class user‑centered innovation and product development consultancy working across medical and consumer health. Join our multidisciplinary team to build robust, secure firmware that powers life‑enhancing products. We are currently s ...

C++ Software Engineer

Overview We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas ...

Software Engineer FullStack

Where you will have an impact We’re looking for bold, talented and creative people to join our journey in developing next-generation autonomous vehicles. We’re a growing start‑up, building our first cohort of engineers and you can be at the heart of this! In line with our vision, we need ...

Senior Software Engineer

Senior Software Engineer London or Manchester (1–2 days per week onsite) Up to £115,000 + benefits Permanent We are looking for a Senior Software Engineer to join a leading Microsoft-focused consultancy delivering modern cloud-native solution ...

Lead Software Engineer

Are you ready to lead and influence engineering at scale, shaping how software is built across one of the UK's largest digital organisations? If you think you are the right match for the following opportunity, apply after reading the complete description.As a Lead Software Engineer, you'll join ...

Senior Software Engineer

Software Engineer - Up to £160,000 - LondonTo be considered for an interview, please make sure your application is full in line with the job specs as found below.Title : Software EngineerCompany : AI StartupLocation : LondonPay : Up to £160,000Additional: Very strong stock optionsComp ...

DevOps Software Engineer

Role Overview This role is part of the BlueBear Business in Bedfordshire. We are seeking a DevOps Engineer to support the continued evolution of our development and delivery capability across the software team delivering desktop and embedded applications. Key Responsibilities ...

Lead Software Engineer

Enhanced security clearance is required for this role. We're looking for an experienced Software Engineer to help build and scale secure backend platforms used by National Security and Defence customers. You'll work on modern cloud-based systems using a mix of commercial and open-source technologies ac ...

AI Software Engineer

AI Software Engineer A fantastic opportunity for an AI Software Engineer to join an innovative technology company developing cutting-edge AI-powered collaboration products used globally. This is a unique opportunity to work within a highly talented R&D environment focused on bringing advanced ...

Senior Software Engineer

Senior Backend Developer (Node.js / TypeScript) Ocho People | Technology Recruitment Senior backend role at a fast growing IoT, mobile and cloud product company on the cusp of global expansion js and TypeScript focused with real time systems, AWS and Redis acro ...

Agentic Software Engineer

Our client is a UK-based organisation operating in the medtech industry, with a team of around 200 people. They design and manufacture bespoke solutions that improve patients’ quality of life. They are investing significantly in technology and automation to support their next phase of growth. A key ...

Linux Software Engineer

Key Responsibilities Develop, deploy and support software solutions on Linux-based platforms. Troubleshoot operating system, infrastructure and application-level issues. Design and maintain automation and scripting solutions using Bash, Shell and Python. Support sof ...

Principal Software Engineer

Title: Principal Software EngineerRole: Distributed Systems & CommunicationsLocation: CambridgeshireSalary: £60-£80kPlatform Recruitment has partnered with an innovative technology company developing mission-critical systems used by organisations worldwide. They're looking for a Princip ...

Principal Software Engineer

We are looking for a Principal Software Engineer (we call them Principal Software Craftspeople) who shares the same values of pragmatism, professionalism and transparency as us to join our team. You'd be utilising your expertise with clients, helping to shape Codurance, and being involved in coaching and m ...

Embedded Software Engineer

Join to apply for the Embedded Software Engineer role at ALL.SPACE Join to apply for the Embedded Software Engineer role at ALL.SPACE Direct message the job poster from ALL.SPACE We hire those that seek to innovate ac ...

LabVIEW Software Engineer

LabVIEW Software Developer / Didcot, Oxfordshire / £60 per hour (outside IR35) As a LabVIEW Software Developer , you will be an integral part of a small project development team, contributing to the design, development, testing, and debugging of LabVIEW Software for Ra ...

Software Development Engineer

Lending Software Development Engineer As a Lending Software Development Engineer, you’ll join a collaborative engineering team responsible for maintaining, enhancing, and evolving our mortgage applications while supporting the wider strategic direction of the Group. You’ll play a key role ...

AI Software Engineer

AI Software Engineer Lead design and delivery of AI-enabled Spring Portfolio features across Broadcom's open-source ecosystem. Location: Cambridge, England, United Kingdom About The Role The Tanzu Division at Broadcom focuses on modern application development, management ...

Senior Software Engineer

Senior Software Engineer London or Manchester (1–2 days per week onsite) Up to £115,000 + benefits Permanent We are looking for a Senior Software Engineer to join a leading Microsoft-focused consultancy delivering modern cloud-native solution ...

Embedded Software Engineer

Embedded Software Engineer Long Ashton Bristol, UK (3Days a week in Office) £55,000 PERSONAL QUALITIES • Use their initiative and work independently or in a small team • Take responsibility for delivering specific t ...

Staff Software Engineer

Our Mission At Omnea, we’re reinventing how enterprise businesses operate, starting with the most painful parts: procurement – where a single purchase can drag on for months, trigger 50+ emails, and pull in Finance, Legal, Security, and IT just to get something approved. We’ve raised $75M ...

Senior Software Engineer

Ready to work somewhere that cares more about how you build software than how fast you can ship it? At Opencast, we don’t measure developers by the number of tickets you complete. We care about engineering craft, clean design and thoughtful problem-solving. Opencast consultants deli ...

Principal Software Engineer

Oliver Wyman is a global leader in management consulting. With offices in more than 70 cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organization transformation. The firm has more than 7,000 professionals a ...

Principal Software Engineer

I'm on the hunt for a React expert who enjoys solving engineering problems bigger than just writing code? We’re working with one of the UK’s leading financial platforms as they continue scaling their engineering function and modernising their technology estate - They're really driving AI innovation ...

Lead Software Engineer

Overview Join Kainos and Shape the Future. At Kainos, we’re problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we’re transforming digital services for millions, delivering cutting-edge Workday solutions, or pushing the boundaries of technolog ...

Embedded Software Engineer

Overview Embedded Software Engineer (C) — 6 month contract — Based in Stevenage Responsibilities Developing, integrating, and testing embedded software Producing test requirements & test scripts for Unit, Subsystem, and System level testing on both host and target pla ...

Software Test Engineer

Overview World Class Defence Organisation is currently looking to recruit a Software Test Engineer subcontractor on an initial 12 month contract. Rate: £65.00 per hourLocation: StevenageHybrid / Remote working: 4 days a week likely onsite. A compressed 4 ...

Embedded Software Engineer

Archangel Lightworks is a connectivity company building wireless technology to create the space-enabled networks of the future. We're passionate about improving humanity's communications infrastructure and solving some of Earth's most critical problems from economic inclusion to climate change. Our start-up i ...

Principal Software Engineer

Principal Java Engineer - Belfast (Hybrid) We're hiring a Principal Java Engineer for one of the most interesting product engineering teams in Belfast. This is a genuine principal‑level role - not a senior engineer with a better title. You'll be setting technical direction, owning architecture dec ...

Principal Software Engineer

Join a global technology organisation whose products are trusted by leading brands and deliver real-world impact across sustainability, education and safety. This is a pivotal role, reporting to the Head of Engineering helping lead tech direction and delivery for some genuinely innovative products. <h ...

Principal Software Engineer

We looking for a Principal Software Engineer to join the team. We are looking to recruit an experienced and highly skilled Principal Software Engineer to lead the design, development, and optimisation of our mission‑critical communication infrastructure. This role is central to ensuring the reliabi ...

Lead Software Engineer

Pearson Carter are currently working with a growing organisation who are looking to hire a Lead Backend/ Full Stack Engineer to lead one of their product squads. They offer a base salary of £60,000 - £70,000 Responsibilities Lead of 3 product squads internally Time spli ...

Software Quality Engineer

Requirements Are you passionate about ensuring the highest quality for cutting-edge generative AI applications? 5+ years of hands‑on experience in software quality assurance or engineering, with a strong focus on testing complex distributed systems or AI/ML applications 5+ y ...

Principal Software Engineer

UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes RELOCATION ASSISTANCE: Relocation assistance may be available TRAVEL: Yes, 10% of the Time Define Possible at Northrop Grumman UK What’s your possible? At Northrop Grumman UK, you are part of a team driving innovation ...

Embedded Software Engineer

Embedded Software Engineer This leading scaleup is looking for Embedded System Software Engineer with experience of C/C++ In this role, you will work at the intersection of low-level system software, contributing to high-performance, secure, and power-efficient mobile and embedded pl ...

Senior Software Engineer

Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. < ...

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