241,525+ 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

FX Client & Prime Software Engineer (VP)

FX Client & Prime - Software Engineer (VP)Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From depl ...

Software Engineer, Backend AI Practice Team

ABS is seeking an exceptional Backend Engineer to join us full-time on our Artificial Intelligence (AI) Practice Team. In this role, you will design and scale high-performance backend systems that power real-time analytics and retrieval-augmented generation (RAG) pipelines. You’ll build distributed services t ...

Rotational Graduate Software Engineer — Hybrid, UK

Autodesk, Inc. is seeking a Graduate Software Developer in Birmingham, UK. This full-time position is part of a 12-month rotational programme where graduates will work across Agile Scrum teams, gaining hands-on experience in software development utilizing various technologies. The role offers structure ...

Graduate Software Engineer Storage & Cloud (Hybrid)

IBM is hiring a Graduate Software Developer in Hursley to join the FlashSystem engineering team. You will design and develop high-performance software solutions in a collaborative environment. The position requires a Bachelor's Degree and a passion for software engineering, with responsibilities includ ...

Software Engineer & Technologist Azure/.NET, Newcastle

Client Server is seeking a Software Engineer in Newcastle upon Tyne to join a dynamic team in a FinTech start-up, focusing on delivering high-quality software using C# .NET. The role offers a salary up to £70k, along with bonuses and a vibrant work environment. Successful candidates will have a strong ...

Software Engineer (Fast Shipping Builder) — London

Software Engineer (Fast-Shipping Builder) — London Corgi Insurance Published: April 27, 2026 Corgi Insurance is hiring a Fast Engineer in London. Builders who ship. About Corgi: AI-powered insurance company built for tech startups. $108M raised. Regulatory approval as a li ...

Sr. Software Engineer, Cloud (Hybrid, London)

About the Role We are seeking a Senior Cloud Software Engineer to join our Threat Detection and Incident Response (TDIR) team, building world‑class case management and investigation capabilities in Go on our AI‑native Falcon Next‑Gen SIEM platform. Your work will help customers detect, investigate ...

Senior Software Engineer (Real Time Embedded)

Job Description:Real Time Embedded Software Engineers – Capability Green LutonYour ImpactAre you a passionate Real-Time Embedded Software Engineer with a few years of experience and looking to take the next step in your career? Do you want to work for an employer comm ...

Search Search Experiences Software Engineer II

Search - Search Experiences - Software Engineer II Elastic Cloud 29 April 2025 We are seeking a talented Software Engineer to join our Search Experiences team, which is responsible for exposing Search features in Kibana and engaging with the developer community. You will be building produ ...

Senior Software Engineer, Full Stack AI

Senior Software Engineer, Full Stack – AI Location: London or Manchester This role is part of Fitch Group Technology’s agile teams delivering world‑class solutions for our BMI business. What We Offer You will join a talented, bright and driven team, leverag ...

Remote Software Engineer — Medical AI (Clojure)

WorksHub is seeking a Software Engineer to join their remote team focused on developing mission-critical healthcare technology. The ideal candidate has a few years of experience and strong expertise in Clojure, as well as an ambitious mindset. You will work on challenging engineering problems, contribu ...

Staff Software Engineer, Large Scale Inference

A leading AI research organization in the UK is seeking a Staff Software Engineer to join its Inference team. In this role, you will optimize systems that serve AI models to millions of users, focusing on infrastructure for breakthrough AI research. Candidates should have significant experience in software engin ...

Python Software Engineer Microservices for Sportsbook

A leading technology firm in gambling is seeking a proactive Python Software Developer to join their GenBet Unit in Holborn. The role involves designing and maintaining applications within a micro-service architecture. Key qualifications include strong Python programming skills, familiarity with Linux, and solid ...

Backend Software Engineer Python FastAPI SQL

Backend Software Engineer / Developer (Python FastAPI SQL Databricks) London to £95k Are you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insura ...

Software Engineer (Mid and Senior Levels)

Software Engineer (Mid and Senior Levels) One Big Circle – Bristol Full-Time 37.5 hours over 5 Days Salary: £36,000 - £70,000 depending on experience The software technology team at One Big Circle is expanding! We are looking ...

Senior Principal Software Engineer Flight Control

A leading aerospace technology company in Tewkesbury is seeking an experienced Senior Principal Software Engineer to drive software development for advanced flight control and actuation systems. This hybrid role requires over 15 years in software engineering, in-depth expertise in safety-critical software, and p ...

Senior Software Engineer AI & Cloud Innovations

Liberty Information Technology, based in Belfast, is looking for a Senior Software Engineer who will work on AI research and deliver high-quality software and innovative features. The ideal candidate has a strong background in software development and experience with AWS and TypeScript. This role expec ...

Software and Systems Defect Coordination Engineer

Our OEM Client based in Gaydon, is searching for Software and Systems Defect Coordination Engineer to join their team, Inside IR35. This is a contract position with a proposed end date of 31st March 2027. In order to make an application, simply read through the following job description and make sure ...

Senior Software Engineer & Tech Lead (Mentorship)

Once For All Limited is seeking a Senior Software Developer to join their technology team in Basingstoke. This role involves technical ownership of projects, mentoring junior developers, and enhancing software engineering practices. Candidates should have over 5 years of experience and proficiency in C#, Pyth ...

Senior Software Engineer, Infrastructure and Efficiency

About the Role You will be a subject matter expert and technical leader in engineering infrastructure, productivity, and enterprise tooling, partnering with globally distributed Engineering, Product, and Security teams and systems. What You’ll Be Doing Roku is seeking a world‑cl ...

Senior Software Engineer Rock Physics Applications

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world's la ...

Graduate Deployed Software Engineer — Field Deployments

Arondite is seeking a Deployed Software Engineer for their engineering team. This graduate-level role involves implementing technology solutions for customers, requiring strong programming skills and the ability to travel frequently to diverse locations. The successful candidate will collaborate closel ...

Integration Software Engineer (Quantum Error Correction)

Riverlane Ltd in Cambridge is seeking an Integration Software Engineer to work on quantum error correction. You will collaborate with product and quantum science teams, design and build software components, and develop test infrastructure. Required skills include strong Python and C++ experience, alongside a Bac ...

Senior Software Controls Engineer — Lead Automation

A leading automation company is hiring a Senior Software Controls Engineer in Bellshill. This role involves designing and commissioning control systems across various sectors, including distilling and brewing. Successful candidates will have proven experience in industrial control software, strong technical docu ...

Senior Software Engineer GenAI & AI Products

Tesco in Welwyn Garden City is looking for a Software Development Engineer III to lead in developing and operating GenAI-powered products, including LLM applications and workflows. The role focuses on translating complex issues into production-ready solutions while ensuring reliability and user impact. The candi ...

Full stack Software Engineer (Research team)

Applications Deadline We accept submissions until 15 January 2026. We review applications on a rolling basis and encourage early submissions. About the Opportunity We’re looking for Full-stack Software Engineers who are excited to build tools for frontier AGI safety research, e.g. ...

Senior Software Engineer — Hybrid, Impacting Churches

A leading Christian software company is seeking a talented Senior Developer to join their dedicated team. This role involves building and maintaining features for their Church Edit and iKnow Church platforms that support churches worldwide. Applicants should have over 5 years of experience and a passion for qual ...

Energy Operations Software Engineer (Post Trade)

A leading financial services company in London seeks a Software Developer to join the Operations Technology team. You will enhance applications critical to post-trade operations, ensure regulatory compliance, and collaborate with various stakeholders. Ideal candidates are experienced in C# .NET, Docker, and clou ...

Radar R&D Scientific Software Engineer

We're looking for an exceptional Scientific Software Engineer in Radar R&D to help us make a difference to our planet. As our software engineer the job may be suitable for hybrid working, which is where an employee works part of the week in the office and part of the week from home. This is ...

Software Engineer Open Source Cambridge, UK

Cambridge, UK | Full-time | Permanent | Hybrid We will also consider part‑time applications for this role. Please indicate your preferred working schedule in your cover letter. About us Riverlane’s mission is to master quantum error correction (QEC) and unlock a new age of human p ...

Senior C++ Software Engineer – Flexible Mentorship

Microlise in Nottingham seeks a Senior Software Engineer to contribute to various projects in a collaborative environment. Key responsibilities include participating in stand-ups, conducting code reviews, and supporting the product release cycle. Candidates should have a degree in Computer Science, modern C++ ...

Software Engineer III Salesforce Mid Level

Job Description Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. M ...

Senior Software Engineer AWS, TS & React

Senior Software Engineer - ConsultancyReact – Typescript - AWS Leeds City Centre with Hybrid Working £50,000-£70,000 + Benefits WRK digital is exclusively partnering with an award-winning Leeds-based digital transformation consultancy. T ...

Senior Software Engineer (React, Node.js, AWS)

Overview Senior Software Engineer (React, Node.js, AWS) Location: Hybrid in London. Senior Software Engineer (React, Node.js, AWS) - would you like the opportunity to work for a market leading organisation, currently looking to revolutionise the data space? You will be joinin ...

Senior Software Engineer Distributed Risk Engine

Citigroup Inc. is looking for a Senior Engineer to take on the role of Applications Development Technology Lead Analyst for the XiP calculation platform. The position requires extensive knowledge of Java and experience in building and maintaining distributed systems. The successful candidate will de ...

Software Engineer Data Platform (Hybrid, GBR)

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large sca ...

Secure Software Engineer – Mission Critical, Hybrid

Searchability is looking for a Software Engineer to join their team in Cheltenham while working in a hybrid model. The role involves designing and developing software solutions for the Defence and National Security sector. You will work on mission-critical systems, leverage modern technologies, and col ...

Quantum Software Engineer: Compiler & Toolchain Innovator

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 ...

Senior Software Engineer – Life Sciences Instrumentation

TEC Partners - Technical Recruitment Specialists is seeking a Senior Software Engineer located in Royston, England. This role involves designing and developing advanced software for instrumentation platforms crucial to scientific research. As a key developer, you'll work closely with multidisciplinary ...

Cloud Data Platform Software Engineer II

Step into a dynamic environment where your skills and ideas help shape advanced technology products. You’ll collaborate with talented colleagues, expand your expertise, and make a real impact on our business. We value your growth and offer opportunities to learn, innovate, and advance your career. At JPMor ...

Lead HVDC Control & Protection Software Engineer

GE Vernova is seeking a Lead Engineer to design and develop modelling techniques for HVDC systems. The successful candidate will join a dynamic team responsible for creating control and protection application software, with a particular focus on design and development tasks that align with industry standards. ...

Software Engineer, Python, Global Delta One

Software Engineer, Python, Global Delta One Job Location London Employment type Regular Department Technology Targeted Start Date Immediate DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional ...

Frontend Software Engineer London (Typescript / Vue)

Frontend Software Engineer - London (Typescript / Vue) Frontend Software Engineer - London (Typescript / Vue) Get AI-powered advice on this job and more exclusive features. Mayflower Recruitment Ltd provided pay range This range is provided by Mayflower Recruitment Ltd. Your ...

Build Engineer ML Software Stack & Tools

A leading technology company in the UK is seeking a Software Infrastructure engineer to develop and manage tools for the Machine Learning Software Stack. The role involves working closely with QA and development teams on build practices, tooling, and releases. Essential skills include proficiency in Python or C+ ...

Senior Software Engineer, Product Engineering, UK

Hi I’m Abhik, Ashby's Co-Founder and VP of Engineering. We’re looking for an ambitious full‑stack engineer who is laser‑focused on solving customer problems and making the right long‑term investments to solve them not only today but in our future features and products. What Ashby gives you in re ...

Principal Software Engineer Distributed (Remote India)

Principal Software Engineer - Distributed IN Principal Software Engineer role within the Engineering - Server division at MariaDB plc. This position is open for remote work in India, focusing on high-level software engineering contributions. This role is for a Customer Support position ...

Senior Software Engineer – Platform & Tooling Leader

NewDay Technology Limited in Greater London is seeking a Senior Software Engineer to design, develop, and maintain high-quality software solutions. You will lead features, mentor junior engineers, and ensure the delivery of secure and scalable products. The ideal candidate will have strong communicatio ...

Senior Software Engineer, Financials Billing Platform

A leading energy technology company is seeking a Senior Software Engineer to develop an innovative billing system used across multiple markets. You will collaborate with multi-disciplinary teams to address complex design challenges in a regulated environment, primarily using Python. Ideal candidates have strong ...

Senior QA Validation Engineer – Regulated Software

Energy Jobline CVL is looking for a Senior QA Validation Engineer to support the development and delivery of complex software systems in Cambridge. This role involves verification and validation activities, quality assurance responsibilities, and collaboration across engineering teams. The ideal candid ...

Senior Software Engineer in Warwick Skewb

Key Responsibilities Develop software for mobile and desktop applications in React and Node. Utilise AWS cloud technology to deliver CI/CD effectiveness. Maintain standards across all coding practices. Experienced working within Agile development environments. ...

🚀 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