341,724+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior Full Stack Engineer & Platform Architect

Navan is seeking a Sr. Full-Stack Engineer to lead the design and development of core product features that power our platform, utilized by thousands of travelers globally. You’ll take charge of technical strategy, mentor engineers, and ensure effective collaboration across teams. The ideal candidate h ...

Senior Low Latency Trading Systems Engineer (Hybrid)

Citibank (Switzerland) AG in Greater London is seeking a Software Engineer for its Equities Electronic Execution technology team. The role focuses on designing and developing a next-generation low-latency execution platform essential for algorithmic trading and high-throughput market data processing. Candidates ...

Staff Platform Engineer – Content, APIs & Dataflow

Marks & Spencer Plc is seeking a Staff Software Engineer to enhance their Content Domain platform. This role emphasizes backend development for content and media, focusing on GraphQL architecture and automation. The ideal candidate will leverage their Java expertise along with Azure experience to support scal ...

Senior Full Stack Engineer | AI Driven Music Data Systems

The Consulting Solutions is looking for a Senior Fullstack Engineer to join their growing team and play a key role in developing and modernizing WhoSampled as part of Spotify. You will build and maintain services across the stack, improve database matching, and lead infrastructure efforts. The ideal ca ...

Software Engineer III – Market Data Services (Hybrid)

CME Group Inc. is seeking a Software Engineer III to join the Data Services Domain in Belfast. This role focuses on enhancing operational efficiency and supporting compliance within our Market Data Services team. Ideal candidates will have intermediate Java and Python skills, experience with data infrastructu ...

DevOps Engineer (Junior/Mid) – Guildford Office

Stratospherec Ltd is looking for a Junior or Mid-Level DevOps Engineer to join their growing team in Guildford. You will play an integral role in supporting the TechOps team, focusing on CI/CD pipeline management, system reliability, and integrating DevSecOps into the DevOps lifecycle. The ideal candid ...

Senior Software Developer

As a Senior Software Engineer (Backend), you will play a key role in designing and building scalable, cloud-based services using Java and Spring Boot. You’ll work closely with your manager, architecture team and teammates to deliver high-quality backend systems that power critical business functionality. < ...

Cloud Engineer

Salary: £60,000 - 70,000 per year Requirements SME-level experience working within a Microsoft Azure cloud environment. Microsoft Certified: Azure Administrator Associate (AZ-104) Microsoft Certified: Azure Solutions Architect Expert (AZ-305) Mi ...

Senior Leader, External API Manufacturing & Partnerships

Next Generation Recruitment is seeking an Associate Director for External Operations in API manufacturing. This senior leadership role involves oversight of technical performance, ensuring compliance and continuous improvement across a global network of contract manufacturing partners. The ideal candid ...

Principal Software Developer

Unspecified Software DeveloperWarminster based, hybrid workingBe at the forefront of transforming British Army training.About us:At OMNIA® Training, we’ve brought together some of the UK’s most innovative defence training organisati ...

Principal Software Developer

Unspecified Software DeveloperWarminster based, hybrid workingBe at the forefront of transforming British Army training.About us:At OMNIA® Training, we’ve brought together some of the UK’s most innovative defence training organisati ...

Consultant Junior Java Engineer DE TC UKI Belfast

At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. Junior Java Engineer - Technology Consulting – Bel ...

.NET Developer

.NET Developer - World Class Entertainment Company - Stoke-on-Trent (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client ...

.NET Developer – Wellington

.NET Developer, C# 14 – Global Technology Brand – Wellington, Somerset(Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our ...

AI Engineer

About The Role We are actively building diverse teams and welcome applications from everyone. Role AI Engineer Location Birmingham (SCC operates hybrid working, which comprises a mix of office and home working) Contract Type Permanent <h3 ...

Senior TypeScript/Node.js Backend Engineer – Hybrid, AWS

Houseful Limited is seeking a passionate Software Engineer to join their team. This role offers the opportunity to develop critical backend services using TypeScript, Node.js, and Apollo GraphQL. Working in a hybrid model, you will take ownership of your projects and collaborate closely with product and design t ...

Senior Test Engineer: Automation, Security & Accessibility

DRPG is seeking a Senior Test Engineer to join our dynamic and agile testing team in Manchester. The ideal candidate will have over 5 years of experience in software testing, mainly focusing on test automation across UI, API, and integration layers. Strong hands-on experience with tools like Selenium, Playwri ...

Software Engineer Front End in Leeds Pharmacy2U

Software Engineer – Front End Location: Leeds, United Kingdom Posted 12 months ago Job Description Work in a team of 5–10 Front‑End Developers to develop a new and improved single‑platform solution through a React.js front‑end utilizing Next.js and .NET microservice API ...

Manager, Sales Engineering Solutions engineering London

Sales Engineer – London – This mid‑level position involves providing technical leadership and guidance to clients throughout the sales lifecycle, from initial contact to solutioning, integration, and go‑live. The role requires technical ownership of client relationships, collaboration with internal technol ...

Senior Technical Java and C# .net Software Developer (IT) in London Nexus Jobs Limited

Senior Technical Java and C# .NET Software Developer London, United Kingdom Posted 10 months ago We are currently recruiting a Senior Software Developer who specializes in Java and C# .NET. The candidate will have the opportunity to lead a team. Qualifications: 5 to 7 years of ...

Full Stack Engineer Typescript

Role Overview We are looking for a Full-Stack Engineer who will play a pivotal role in shaping the technical direction of our platforms and driving engineering excellence across the organization. This is not just a coding role—it’s an opportunity to influence architecture, improve devel ...

Salesforce Principal Engineer

Salesforce Principal EngineerRate: £465–£510 per day (Inside IR35)Duration: 6 monthsLocation: Remote (1 day per week onsite in Windsor initially)We are looking for a highly skilled Salesforce Principal Engineer to join a leading enterprise on a 6-month contract. This is a hybrid role based in ...

Lead Engineer

Swansea, United Kingdom Visa sponsorship available for eligible candidates. Strong focus on work‑life balance with a flexible hybrid model (3 days onsite). Based in Swansea, South Wales - three days per week on‑site. Role Overview We are looking for a Lead Software Engi ...

C# Developer with (Python or Java)

We have an immediate opening for a C# Developer with experience in Python or Java , possessing over 10 years of experience at Synechron , based in Belfast, Northern Ireland . Job Role : C# Developer with (Python or Java) Experienc ...

Android Developer (Kotlin) – Hybrid/Remote Opportunities

Netrolynx AI is seeking a skilled Android Developer to enhance our mobile engineering team. In this role, you will design and maintain high-quality Android applications, ensuring seamless user experiences. You will purposefully collaborate with product managers and designers to develop scalable solutions. </p ...

Hybrid AI Driven Full Stack Lead & Delivery Architect

HelloKindred in Sheffield is seeking a Full Stack Engineer - Tech & Delivery Lead to design, build, and deliver an AI-enabled helpdesk automation platform. The ideal candidate will lead efforts across web UI, backend services, and enterprise integrations, ensuring solutions meet the highest standards for secu ...

API Platform Architect (.Net, APIM, Azure, Kubernetes)

API Platform Architect – Insight International (UK) Ltd We are seeking an experienced and highly technical API Platform Architect to lead the architecture, engineering, and continuous evolution of our enterprise API Platform. This role is fully hands‑on ...

Senior Software Engineer Python / AWS / Cloud Native (SC or DV Cleared)

Senior Software Engineer – Python / AWS / Cloud-Native Engineering SC or DV Cleared | Government Programme | AWS | Python | Terraform | Microservices Location: UK (Hybrid / Remote)Security Clearance: SC or DV required Engagement: Contract (Inside ...

Staff Software Engineer, Full Stack (m/f/d)

About the Company Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensive approach to managing their holistic identity – accounting for all aspects of their digital footpri ...

Senior Staff Android Engineer

Overview The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision‑making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity ...

Senior Staff Android Engineer New Remote United Kingdom

Overview The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision‑making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity ...

Full Stack Engineer

Welcome to the future of cloud networking and security! Cato Networks is the first company to converge enterprise networking and security into one centralized and global service that is delivered by cloud. It is led by networking and security pioneer Shlomo Kramer (Check Point, Imperva) and ...

Senior Data & AI Cloud Architect, AWS Professional Services

Senior Data & AI Cloud Architect, AWS Professional Services Job ID: | AWS EMEA SARL (UK Branch) We are seeking a Delivery Consultant to design, implement, and manage AWS solutions that meet customer technical and business requirements. You will work closely with customers and stakeholde ...

Advertising Supply Enablement Software Engineer

Software Development Engineer, Advertising, Supply Enablement Job ID: | Amazon Development Centre (Scotland) Limited Wren is an exciting advertising team in Amazon, responsible for removing barriers that prevent advertisers from accessing premium channels. We build systems for ad regist ...

Software Development Engineer, Advertising, Supply Enablement

Software Development Engineer, Advertising, Supply Enablement Job ID: | Amazon Development Centre (Scotland) Limited Wren is an exciting advertising team in Amazon, responsible for removing barriers that prevent advertisers from accessing premium channels. We build systems for ad regist ...

Data Technology Engineer (UK)

Location: UK Department: Data Technology / Platform Engineering Role Summary We are looking for a Data Technology Engineer to design, build, and run secure, multi‑tenant data platform capabilities . This role focuses on platform services, integrat ...

Data Technology Engineer (UK)

Location: UK Department: Data Technology / Platform Engineering Role Summary We are looking for a Data Technology Engineer to design, build, and run secure, multi‑tenant data platform capabilities . This role focuses on platform services, integrat ...

DevSecOps Engineer

Who we are We are an organisation that exists to drive progress. That's the red thread that connects everyone at The Economist Group (TEG). Our businesses share a devotion to innovation, independence and rigour in their fields of expertise. We empower people to understand and tackle the critica ...

DevSecOps Engineer Cloud, CI/CD & Threats (Hybrid)

Who we are We are an organisation that exists to drive progress. That's the red thread that connects everyone at The Economist Group (TEG). Our businesses share a devotion to innovation, independence and rigour in their fields of expertise. We empower people to understand and tackle the critica ...

Software Engineer in Test SDET

Join or sign in to find your next job Join to apply for the Software Engineer in Test - SDET role at TieTalent 2 days ago Be among the first 25 applicants Join to apply for the Software Engineer in Test - SDET role ...

Software Engineer JS / TS / Node AI

Overview Software Engineer - JS / TS / Node - AI at TieTalent. Software Engineer - Deep-Tech – TypeScript / JavaScript - AI . If you're the kind of Software Engineer who thrives on solving hard problems, is interested in R&D, AI and experimentation – then this could be your ideal next ...

Senior AWS Cloud Platform Engineer / DevOps Engineer (SC or DV Cleared)

Senior AWS Cloud Platform Engineer / DevOps Engineer (SC or DV Cleared)Location: Hybrid UKSecurity Clearance: Active SC or DV Clearance required Contract: Initial 6 months with extension potentialDay Rate: Competitive (Inside IR35)< ...

Senior AWS Cloud Platform Engineer / DevOps Engineer (SC or DV Cleared)

Senior AWS Cloud Platform Engineer / DevOps Engineer (SC or DV Cleared)Location: Hybrid UKSecurity Clearance: Active SC or DV Clearance required Contract: Initial 6 months with extension potentialDay Rate: Competitive (Inside IR35)< ...

Technical Business Analyst (Integration and API)

Job Type:PermanentBuild a brilliant future with Hiscox The Role: As a Technical Business Analyst within Hiscox you will create and deliver solutions which address business needs through the efficient exploitation of new, or existing, technology capabilities augme ...

Azure Integration & Automation Manager (API Expert)

Azure Integration & Automation Manager (API Expert)Watford (2-3 days per week)£90000 + Package.This role cannot offer visa sponsorship Your newpany I am working exclusively with a major UK construction business deliveringplex programmes that have a real impact on ...

Technical Business Analyst (Integration and API)

Job Type:PermanentBuild a brilliant future with Hiscox The Role: As a Technical Business Analyst within Hiscox you will create and deliver solutions which address business needs through the efficient exploitation of new, or existing, technology capabilities augme ...

Azure API Architect: Modernization & Microservices Lead

A leading technology service provider is looking for a NET Azure API Architect based in Edinburgh, Scotland. This permanent, full-time position involves leading the design and development of secure and high-performance API solutions on Microsoft Azure. Key responsibilities include architecting end-to-end API sol ...

Senior SRE: API & App Reliability Lead

A leading recruitment firm is looking for a Senior Site Reliability Engineer specializing in application and API reliability. This hybrid role involves working closely with product and engineering teams to enhance the reliability of customer-facing platforms. Candidates should have a strong background in digital ...

Senior PMM: Developer Platform & API Ecosystem

A leading technology company in London is looking for an experienced Senior Product Marketing Manager. The role emphasizes driving adoption of the developer ecosystem. Candidates should have over 5 years of product marketing experience, strong communication skills, and a solid understanding of API and technical ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Buffering Video...

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