340,979+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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Automation Test Engineer DevOps & AI (SC)

A leading global technology service provider is looking for a highly experienced Automation Test Engineer (with DevOps) in the UK. The ideal candidate will have a strong software testing background and hands-on experience with Java, Node.js, CI/CD, Terraform, and Azure. Responsibilities include designing scalabl ...

Senior Java Developer

Location: UK (Hybrid / Onsite as required)Experience: 5+ yearsRole Type: Fixed Term ContractOverviewWe are developing a scalable Data Fabric platform that ingests, transform ...

Senior Java Developer

Location: UK (Hybrid / Onsite as required)Experience: 5+ yearsRole Type: Fixed Term ContractOverviewWe are developing a scalable Data Fabric platform that ingests, transform ...

Senior Software Engineer / Tech Lead

Senior Software Engineer / Technical Team Lead (Java & C++)OverviewWe are seeking an experienced Senior Software Engineer / Technical Team Lead to join our development team. This is a hands-on leadership role that combines technical delivery, software development, and people ma ...

Senior Software Engineer / Tech Lead

Senior Software Engineer / Technical Team Lead (Java & C++)OverviewWe are seeking an experienced Senior Software Engineer / Technical Team Lead to join our development team. This is a hands-on leadership role that combines technical delivery, software development, and people ma ...

Junior C# Desktop Application Developer Graduates Considered

Junior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering excellent training, career ...

Junior C# Desktop Application Developer Graduates Considered

Job DescriptionJunior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering ...

Junior C# Desktop Application Developer Graduates Considered

Job DescriptionJunior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering ...

Junior C# Desktop Application Developer Graduates Considered

Junior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering excellent training, career ...

Junior C# Desktop Application Developer Graduates Considered

Job DescriptionJunior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering ...

Junior C# Desktop Application Developer Graduates Considered

Job DescriptionJunior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering ...

DevOp Engineer

ROLE TITLE: DevOp Engineer LOCATION: London hybrid CLEARANCE: The ideal candidate will have active SC Clearance or be eligible to undergo SC Clearance. We are actively looking to secure a Duty Technician to join Experis. Job Purpose/The Role: < ...

Platform Engineering Lead

Overview Platform Engineering Lead Location: Bromley, UK Below are the details of the position: Job Description Required Skills: 20+ years’ experience in building and maintaining applications with focus on performance, scalability, security, and reliabilit ...

Senior Golang & TypeScript Engineer — Remote UK

Threecolts LLC is seeking a Senior Software Engineer specializing in Golang and TypeScript to enhance the Threecolts Hub. In this role, you'll design and build scalable services, APIs, and components, and contribute to a collaborative technical environment. Ideal candidates should have 5–8+ years of ex ...

Quality Engineer

Quality Engineer Contract: 23/06/25 - 31/12/26 Inside IR35 Role Overview Join the Core Modernisation team modernizing systems. Work within agile scrum teams (4-8 engineers) using 2-week sprints to deliver quality solutions across multiple technology stacks. Tech S ...

Mac OS Specialist

MacOS Engineer - Banking & Investment SectorLocation: London (Hybrid/Flexible) Rate: Up to £70 per hour Inside IR35 / Umbrella Contract: Intitally until Dec 2026 Start Date: Available within the next 2 monthsJoin a Major Mac Transformation ProgrammeAvanade UK Limited, a le ...

Senior Software Engineer, Payments & BNPL Platform

Super Payments in Greater London is looking for an experienced software engineer with at least 8 years in the field, especially in financial services or eCommerce. The role involves spearheading the B2B API design and collaborating with product teams, utilizing technologies such as Node.js, TypeScript, and AWS. ...

Senior Neurosymbolic AI Platform Engineer

UnlikelyAI is seeking a Senior Software Engineer in Greater London to join their team in developing innovative AI solutions. This role requires deep coding skills in Python and experience with cloud infrastructure, prioritizing production-quality engineering. Candidates will contribute to building a public API a ...

Senior Unified Analytics Platform Engineer

DRW, headquartered in Chicago, is seeking an outstanding Software Engineer to join the UP - Analytics - Middle Office team. This role focuses on designing and maintaining API and service platforms across various asset classes, enhancing our technical capabilities. The ideal candidate will have expertis ...

Senior DevEx Engineer — Build the Golden Path

On is seeking a Senior or Lead Software Engineer to join their Developer Experience team in Greater London. The role involves designing CI/CD pipelines, contributing to GraphQL infrastructure, and developing self-service tools for internal developers. Candidates should have at least 5 years of experience, strong ...

Ruby on Rails AI Engineer — SaaS Backend & LLMs

Remotestar is seeking a software engineer with a strong background in backend development and AI/ML tools. The role involves designing and implementing AI-driven features within a SaaS platform focused on energy operations. Candidates should have 3+ years of experience and be proficient in backend engineering, A ...

Principal Software Engineer – AWS/GraphQL, CI/CD Champion

A leading sports fashion retailer based in Bury is seeking a Principal Software Engineer to oversee the design and execution of technology solutions. You will play a pivotal role in managing cloud computing initiatives including API development and serverless architectures. Ideal candidates will have strong know ...

Automation First SDET for Government Digital (Hybrid)

Scrumconnect Limited in Swansea is seeking a Software Development Engineer in Test (SDET) for a role focused on automated testing within digital services for government clients. You will design and build test frameworks and ensure integration within CI/CD pipelines. The ideal candidate will have proven ...

Staff Backend Engineer, Portfolio Data Workflows (Europe)

Addepar is looking for a Staff Backend Software Engineer in Edinburgh to design and implement critical API services that enhance financial data ecosystems. You will lead architectural designs and drive the adoption of innovative technologies while mentoring a team of engineers. Join a dynamic organizat ...

Automation & AI Engineer: Build Scalable AI Workflows

Tecknuovo is looking for a Technical Automation & AI Engineer to design and operate automations, integrations, and AI-driven tools. You will be accountable for creating reliable automated workflows that enhance internal operations and client delivery. The ideal candidate will bring experience in software enginee ...

Quality Engineer Automation & Cloud (Shift Left)

Finova is looking for a Quality Engineer in Salford to join their cross-functional delivery team. You will ensure high quality in the software lifecycle and build automation suites, driving a shift-left culture in a cloud-native environment. This role requires a strong background in automation testing, ...

Senior Node.js Engineer for CMS Platform & Mentorship

LeoVegas Group, located in Newcastle upon Tyne, seeks a proactive Senior Software Engineer. This role involves developing key features for their headless CMS, mentoring team members, and collaborating within an agile environment. Ideal candidates will have strong skills in JavaScript, Typescript, and NodeJS, cou ...

Senior AI Engineer — Build AI First Travel Platform Hybrid

A leading technology company based in Manchester is seeking a Senior AI Engineer to join their innovative team. You will play a crucial role in integrating AI into travel solutions, focusing on scalable API development and intelligent features. Ideal candidates should have strong experience in .NET Core and LLM ...

Senior DevSecOps Platform Engineer

A leading tech company in the United Kingdom is seeking a Senior DevOps engineer with deep expertise in GCP DevOps architecture and a strong hands-on approach. Ideal candidates will demonstrate leadership abilities and experience with microservices, API deployment, and infrastructure as code. This role requires ...

Senior C#/.NET Engineer – AWS, Low Latency, Hybrid

Client Server is looking for a Senior C# Developer / Software Engineer to join their London team. You will work on a scalable Market Data platform using C# and AWS, collaborating in an Agile environment. The role requires strong C# .Net skills, API development experience, and knowledge of CI/CD practic ...

Azure DevOps Engineer

A talented and ambitious DevOps Engineers is required to join a digital challenger and scale up within the financial services sector. We are looking for a hands on DevOps Engineer who has a passion for learning and personal development with cloud technologies to manage our clients modern and complex ...

Junior Java Developer

This range is provided by Venture Up. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Venture Up Co-Founder Venture Up - Building Tech and Product teams across UK and Europe! < ...

Java & PEGA Developer

Java & PEGA BPM Developer Urgent requirement supported by RED Global for client. Working model: Hybrid – 2 days on-site per week. Contact: Direct message the job poster from RED Global. Referrals increase your chances of interviewing at RED Global by 2x. Looking forward to ...

Senior Kotlin Backend Engineer

Location: London, Sheffield or Leeds - Will require ad-hoc travel to all locations Duration: Initial 3-month contract Start Date: ASAP Clearance: Live and Active SC Clearance IR35 Status: Inside IR35 The Opportunity W ...

Network Security Engineer / Cyber Security / CISSP / CISA / CCNA

JOB OVERVIEWWe have a fantastic new job opportunity for a Cyber Security / Network Security Engineer who has experience building, configuring and managing technical solutions, ideally security tools such as anti-malware, content filtering, SIEM and threat detection solutions.Wo ...

Cloud Security Engineer Lead Security & Grow a Team

A challenging digital bank in the UK is searching for an experienced Cloud Security Engineer to join their innovative team. This dynamic role involves implementing security measures, managing vulnerabilities, and collaborating closely with product and engineering teams. Candidates should possess a degree in a te ...

Remote Staff App Security Engineer — Build Security Program

It’s rare that a new asset class is born. Nevertheless, we’re witnessing exactly that with the rise of crypto. Over just the last few years, since Bitwise was founded, crypto has evolved from an embryonic $50B market to a growing $3T+ juggernaut. This is an exciting moment for Bitwise as a firm. Fo ...

DJ Security Solutions Apprentice Fire and Security Engineer

DJ Security Solutions Ltd is a UK-based fire and security company specialising in CCTV, access control, intruder alarms, fire alarms, perimeter protection, and automated security systems. Operating nationwide, the company provides tailored installation, maintenance, and integrated security solutions for co ...

Senior Game Security Engineer — Lead & Build Security Team

A leading video game development studio in Oxford is seeking a skilled Lead Game Security Engineer to shape the security architecture for new projects. The role involves building a team to combat threats like cheating and piracy while collaborating closely with engineering teams. Candidates should have extensive ...

SC Cleared Offensive Security Engineer — Build Security Products

iO Associates is seeking an SC Cleared Offensive Security Engineer for a 6-month contract in London. This hybrid role requires 2-3 days onsite, focusing on building offensive security products and working on complex projects. The ideal candidate will possess deep expertise in offensive security, have a ...

Security Engineer – Fire & Security Systems with EV Van

AWC STAFF SERVICES LTD is looking for a skilled technician in the Fire & Security Systems industry. The role focuses on servicing, testing, and repairing various security systems while documenting work effectively. The successful candidate will have experience in carrying out PPM and reactive calls, wi ...

Senior Security Engineer: Build AI Powered Security Tools

Hopper is seeking a Senior Security Engineer who will own the tooling and processes that secure applications throughout their lifecycle. This role is pivotal in shaping a security-first development culture and will involve extensive coding, automation, and using AI tools as a core part of operations. T ...

Lead Security Engineer: Shape Zero Trust & AI Security

World of Books is seeking a Lead Security Engineer committed to driving transformation in cybersecurity. You will be responsible for designing and operating key controls to enhance our cyber resilience. This hands-on role involves collaborating across IT and engineering, employing AI and automation to ...

OT Security Engineer ICS Security, Engineering Led Ops

Sivara GmbH is looking for an experienced Security OT Engineer to support the protection and evolution of Operational Technology (OT) systems. This role involves working within a Security Operations function with a strong engineering focus and is available as a 6-month contract. The position is based i ...

GCP Platform & Security Engineer: Hands on Cloud & Security

Differential. in Brighton is seeking a GCP Platform & Security Engineer to support, secure, and optimize its cloud environment. In this role, you will work hands-on with Google Cloud Platform and help ensure applications and services are secure and reliable. The ideal candidate will possess strong know ...

Product Security Engineer: Build Automated Security in DevOps

United States Digital Space LLC is looking for a Product Security Engineer to enhance software security. In this role, you'll develop automated security solutions that integrate into development pipelines and work with engineering teams to improve security testing practices. Key qualifications include ...

Lead Security Engineer: Drive Zero Trust & AI Security

World of Books is seeking a Lead Security Engineer to shape cyber resilience across its technology estate. This permanent, full-time position involves designing, building, and operating security controls with substantial autonomy. With over 5 years in security engineering, you will establish visibility ...

Cyber Security Engineer Hybrid, Zero Trust & Cloud Security

A prestigious global law firm seeks a Cyber Security Engineer to enhance their security posture through incident response, vulnerability management, and cloud security measures. The role involves optimising SIEM tools, implementing key security controls, and collaborating with engineers to fortify the firm's sec ...

Lead Security Engineer: Drive Zero Trust & AI Security

World of Books is seeking a Lead Security Engineer to shape cyber resilience across its technology estate. This permanent, full-time position involves designing, building, and operating security controls with substantial autonomy.With over 5 years in security engineering, you will establish visibility ...

Network Security Engineer / Cyber Security / CISSP / CISA / CCNA

JOB OVERVIEWWe have a fantastic new job opportunity for a Cyber Security / Network Security Engineer who has experience building, configuring and managing technical solutions, ideally security tools such as anti-malware, content filtering, SIEM and threat detection solutions.Wo ...

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