305,679+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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Senior Backend Engineer (Java/Python) Linux SC Cleared

ALTEN is seeking a Backend Software Engineer based in London. You will design, develop, and support software for complex systems, focusing on reliability and operational requirements. Strong experience with Java and Python is essential, as well as the ability to work in a Linux environment. Join a pass ...

SAP Integration Architect in City of London

Position: SAP Integration Architect Employment Type: Contract Start: ASAP (June/July 2026) Duration: 6 Months Location: London, UK (Hybrid - 3 days per week office) Language: English About the Company ...

SAP Integration Architect in London

Position: SAP Integration Architect Employment Type: Contract Start: ASAP (June/July 2026) Duration: 6 Months Location: London, UK (Hybrid - 3 days per week office) Language: English About the Company ...

Senior C++ / Java Developer

Requirements While not an architect or people manager, the role requires strong technical judgment, mentoring of junior engineers, and meaningful contribution to solution design and delivery excellence Bachelor’s degree in Computer Science, Engineering, or equivalent practical exp ...

Solutions Architect

Job title: Solution Architect (MS Dynamics 365) Location: London, Hybrid Role type: Contract Inside IR35 Position Overview The Solution Architect plays a critical leadership role in the design, planning, and execution of enterprise digital transformation initiatives. ...

Staff software engineer (F/M/D)

Staff software engineer (F/M/D) Posting Start Date: 4/2/26 At TE, you will unleash your potential working with people from diverse backgrounds and industries to create a safer, sustainable and more connected world. Job Description: **Job Overview** We are seeking a St ...

Senior Frontend Engineer Client SDK & UI Platform

A leading API platform company in London is seeking a Senior Software Engineer to enhance their UI Platform. This role involves designing scalable front-end solutions and mentoring other engineers. The ideal candidate will have 5-10 years of experience and a clear understanding of design systems and accessibilit ...

Principal Architect in Nottingham ENSEK

Implementation and Integration Specializing in SOA, microservices, and event-driven architectures. Proficient in AWS, .NET, Web API, Node.js , and AngularJS. Stakeholder You’ll be happy working with your key stakeholder groups, informing, engaging, and being available to the ...

Principal Architect in Nottingham ENSEK

Implementation and IntegrationSpecializing in SOA, microservices, and event-driven architectures. Proficient in AWS, .NET, Web API, Node.js, and AngularJS.StakeholderYou’ll be happy working with your key stakeholder groups, informing, engaging, and being available to them. ...

Senior Microservices & Cloud Architect (AWS, Node/.NET)

Implementation and IntegrationSpecializing in SOA, microservices, and event-driven architectures. Proficient in AWS, .NET, Web API, Node.js, and AngularJS.StakeholderYou’ll be happy working with your key stakeholder groups, informing, engaging, and being available to them. ...

Senior Microservices & Cloud Architect (AWS, Node/.NET)

Implementation and Integration Specializing in SOA, microservices, and event-driven architectures. Proficient in AWS, .NET, Web API, Node.js , and AngularJS. Stakeholder You’ll be happy working with your key stakeholder groups, informing, engaging, and being available to the ...

Cloud Native Data Platform Engineer

NextWave Consulting Ltd is seeking a Data Technology Engineer in Greater London to design, build, and run secure multi-tenant data platform capabilities. The role emphasizes platform services, integration, orchestration, security, and observability. Ideal candidates will have strong experience in Kubernetes, API ...

Cloud Infrastructure Engineer — Scalable, Reliable Systems

OpenAI in Greater London is seeking an experienced infrastructure engineer to design and build cloud platforms that ensure reliability and security at scale. The position entails maintaining systems critical to products like ChatGPT and the API. Ideal candidates will have over 5 years of experience and ...

Senior Backend Engineer in London LinuxRecruit

Senior Backend Engineer London, United Kingdom Posted 10 months ago Tech stack C Backend Java Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Qualifications < ...

Software Engineer in Halton Phoenix Medical Supplies

Software Engineer Halton, United Kingdom Posted 10 months ago Tech Stack Java C# Job Opportunity Are you Java or C# programmer with commercial experience building high-volume, high-performance, high-availability a ...

Senior Software Engineer Transfers Bristol

Salary: £62,000 - 90,000 per year Requirements We are looking for a senior full-stack engineer with strong experience across React frontends and AWS serverless backends. We need strong backend and BFF experience with Node.js v20 and TypeScript. We expect ...

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 Frontend Engineer Remote (React/TypeScript)

A leading FinTech scale‑up in the UK is hiring a Senior Software Engineer focusing on frontend development. This fully remote role requires strong skills in React and TypeScript, with responsibilities including project ownership and building user-friendly interfaces. Ideal candidates will have experience with AP ...

E Commerce Software Engineer (Mandarin Speaker, £50K, Apparel & Fashion, Plymouth)

Role Overview We have an exciting opportunity for an E-Commerce Software Engineer role in a Plymouth‑based apparel & fashion company. The business specialises in design and brand creation for clients in the street clothing, music, and surf‑influenced culture markets, as well as character licensing ...

Senior Automation Test Engineer (SC Cleared)

We are seeking an experienced SC Cleared Senior Automation Test Engineer with proven UK Central Government testing experience to support secure, enterprise-grade digital services. You will work within Agile, multi-disciplinary teams delivering cloud-based systems aligned to Government governance, ISO 27001 ...

Hybrid AI Software Engineer Observability & Reliability

This will initially be a six month fixed term contract with the possibility of extension. The role requires two days in office attendance. As an AI Software Engineer, you’ll help build the next generation of intelligent observability systems — combining backend engineering, data analytics, and appl ...

AI Driven Full Stack Engineer

Accenture UK is seeking a Software Engineer- AI Enabled Full Stack Engineer in Belfast. You will utilize AI tooling to enhance application development and deliver innovative solutions in the Health and Public Service practice. The ideal candidate must have a BSc in Computer Science or related field and ...

Senior Software Engineer Full Stack

Get AI-powered advice on this job and more exclusive features. We’re looking for a data-oriented Software Engineer to help us accomplish our mission to improve and extend lives by learning from the experience of every person with cancer. Are you ready to be the next changemaker in cancer care? ...

UK & Ireland API Business Growth Director

KinetiQ Life Sciences is seeking an experienced Business Development Director to focus on the UK & Ireland, promoting their API services. The role involves developing new business and increasing revenue through effective sales strategies. The ideal candidate will have a Bachelor's degree in Life Scienc ...

Senior Integrations Architect SaaS API & ETL

A leading technology company in the UK seeks a Technical Architect to manage integration projects. The role involves working with customers to determine solution architecture, translating business needs into technical requirements, and delivering integration with various applications. Candidates should have 3-10 ...

AI Driven API Web Developer Intern

Internwise is seeking a motivated intern for the position of API Web Developer with a focus on AI integration. This internship offers hands-on experience in developing APIs, working closely with a dynamic team to implement cutting-edge web applications. The candidate should be pursuing or have complete ...

Developer Marketing Lead — API & Platform Growth

Socure is seeking a Developer Marketing Lead to strategize and own outreach to developers and technical buyers. The role requires 6–8 years of B2B marketing experience in developer marketing and a proven track record of driving pipeline through technical initiatives. The position involves collaboration with engi ...

Senior Director Pre Sales (API) Remote

Would you like to work in a dynamic Security sales-growth role?Do you love leading and motivating others to deliver exceptional Security solutions?Join our best-in-class global pre-sales specialists teamOur team collaborates with top companies to enhance and safeguard ...

Contract Integration Analyst API & Systems Testing

Equans UK & Ireland is seeking an Integration Analyst for a 12-month fixed term contract. This full-time role involves providing technical support to the UK facilities management division. The successful candidate will work closely with technical teams to develop system integration plans while ensuring proper ...

Senior Business Analyst React & API Liaison

Universal Music Group in the United Kingdom is seeking a Senior Business Analyst to join their dynamic product team. This role involves translating complex business requirements and user experience design into actionable items, working closely with various stakeholders including Product Owners and UI/UX desig ...

Senior .NET Developer

Senior .NET Developer is required by fast growing and highly successful technology consultancy.(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, React, TypeScript, Programmer, Full Stack Engineer, Architect, ...

Senior Android Engineer: Secure Mobile Apps & Architecture

Infinity Quest is seeking a self-motivated Senior Android Engineer in the United Kingdom to enhance mobile application security. This role requires proficiency in Kotlin and Java and expertise in Android SDK and UI design principles. The ideal candidate will collaborate closely with strategy teams to a ...

Senior Software Engineer Customer Order

We’re looking for a Senior Software Engineer to play a pivotal role in evolving M&S’s Customer Order Domain. This team provides the critical software capabilities that capture, manage, and fulfil customer demand across every channel, powering digital experiences and business operations that serve millions of ...

Senior Mobile Engineer Apps

Job Summary We are looking for a passionate and enthusiastic Software Engineer who doesn’t want to ship features only, but also builds the engine that ships them. You will join our Platform Team to enable feature teams to move faster and safely, owning the mobile architecture, design system, and ...

Technical Solutions Engineer

Belfast, Northern Ireland, United Kingdom Technical Solutions Engineer About iVerify We are experts in mobile threat hunting. The first mobile threat hunting company to protect mobile devices like any other vulnerable corporate endpoint. The mobile security market has a problem: ...

Senior Software Engineer Payroll (Python/Django/React)

Java Script Works is seeking a Senior Software Engineer for a contract role in London. The ideal candidate should demonstrate strong written and verbal communication skills and effectively collaborate across diverse functional teams. Experience with Python, Django, and React is a plus. This position offers compe ...

Silicon Engineering: Quality Automation Engineer

A leading technology company in Cambridge is seeking a Quality Automation Engineer to enhance the reliability of software tools in their chip design process. The role requires experience in programming (Scala/Java) and CI/CD environments. You'll collaborate with teams to define validation strategies, maintain te ...

Lead Full Stack Engineer for Public Sector Transformation

A leading digital transformation consultancy in the UK seeks a Lead Full Stack Software Engineer to take ownership of complex public sector solutions. You will guide teams through architecture, design, and delivery. The ideal candidate has extensive experience with .NET, Java, or Python and excels in Agile envir ...

Senior Tools Engineer: Infra Automation & Frontend

Java Script Works is seeking a Senior Tools Software Engineer based in Shrewsbury, United Kingdom. The ideal candidate will have experience in infrastructure automation with tools like Terraform and CloudFormation, and should be comfortable collaborating with front-end teams using Vue.js and TypeScript. < ...

London Compute & Serverless Engineer (Rust/Go)

WorksHub is seeking a Software Engineer in London, United Kingdom, to work full-time on building and enhancing compute, storage, and data platforms. Proficiency in programming languages like C, Rust, Go, and Java is required. The role involves working with open source technologies, particularly Kubernetes. Candi ...

Backend Java Engineer: Scalable Systems with Spring Boot

Noon Academy is looking for a Software Engineer - Backend to join their team in Greater London. The ideal candidate will have strong proficiency in Java and Spring Boot along with experience in infrastructure and distributed systems. Responsibilities include improving system efficiency and collaborating with tea ...

Senior Research Engineer — Quantitative Data & Backtests

A technology consulting firm in London is seeking a Research Engineer with strong software development skills. The role involves streamlining processes, managing market data, and enhancing research frameworks. Required qualifications include expertise in Python, Java, and SQL, alongside a relevant degree. This p ...

Staff Engineer DevTest Tools

An Amazing Career Opportunity for a Staff Engineer - DevTest Tools! Location: Cardiff, UK Job ID: 47202 As a DevTest Staff Engineer in Cardiff, you will drive the team formation, implementation and maintenance of a robust CI/CD pipeline within HID PACS. This is a wide-rangi ...

Lead Backend Developer Python Java AWS

21 hours ago Be among the first 25 applicants This range is provided by Client Server. 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 Client Server Tech Recruiter - Software ...

Senior Technical Architect Enterprise API & Microservices

Meritus is recruiting for a Technical Architect in Didcot, UK. In this role, you will support complex scientific and data-driven platforms within a Central Government environment, reviewing existing architecture and defining scalable solutions. Key responsibilities include evaluating current architectu ...

Technical Architect Cloud & API Lead (Remote)

A leading digital consultancy in the UK is seeking a Technical Architect to design scalable technology solutions. You will ensure alignment of technology with business goals, guiding project teams throughout the implementation lifecycle. The ideal candidate should be experienced in cloud computing and have stron ...

API Integration Delivery Lead Insurance (Contract)

A major consulting firm is looking for a Technical Integration Delivery Lead with extensive experience in the insurance sector. In this 6-month contract role, the candidate will work on building APIs and systems integration while collaborating across geographies. The role demands strong project management and ag ...

Founding Enterprise AE: Payments & API Infra

Crane Venture Partners is looking for a founding sales hire for AspireX, focused on shaping the sales strategy and building a pipeline in cross-border payments and FX. The role demands 5–10 years of enterprise sales experience, particularly in complex deals. The ideal candidate will possess a strong understandin ...

Salesforce Integration Architect (Cloud & API Lead)

La Fosse is seeking a candidate to lead the integration of Salesforce and other SaaS platforms as part of a major digital transformation in the UK. You will design and deliver solutions, manage API integrations, and troubleshoot issues, with a focus on collaborating with stakeholders and vendors. Ideal candidate ...

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