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

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Backend Engineer: Scale AI Systems + Stock Options

Platform Recruitment is seeking a Software Engineer with a strong ability to build scalable and performant systems, offering up to £160,000 in London. This role includes a mix of backend and full-stack responsibilities, collaborating with product and ML teams, and mentoring junior members. The ideal ca ...

AI Support Copilot Engineer LLM/Automation

XpertDirect in London is seeking an LLM Application Engineer to design and develop AI-powered support applications that enhance customer experience. This role involves building systems that leverage Large Language Models and integrating AI services into existing customer support platforms. The ideal ca ...

Platform Architect & Tech Leader Scalable APIs

Formula. is seeking a Principal Software Engineer to join our global technology business, responsible for a large-scale API platform used by millions. This role will allow you to set technical direction, mentor engineers, and align engineering strategy with business goals. We offer a salary of up to £1 ...

Automation Framework Engineer (SDET) Hybrid, Up to £60k

Candour in Bolton is seeking an experienced Software Engineer in Test to take ownership of automation efforts within its growing engineering team. You will design and build automation frameworks using C# while working collaboratively with QA, Development, and Architecture teams. The ideal candidate wil ...

Senior .NET Engineer Customer Facing, Remote + Equity

Adamantine Recruitment is seeking a Senior Software Engineer specializing in .NET to drive customer-facing integrations. You’ll work closely with engineering teams from global payroll providers to ensure seamless API integrations. The role offers strong salary and equity, along with a full benefits pac ...

Senior Internal Tools Engineer Drive Growth & Impact

A fintech company based in London is seeking a Senior Software Engineer to join its growing engineering team. You will define, build, and iterate on features for internal tooling while collaborating with cross-functional teams. The ideal candidate has over 5 years of experience with API development using Python ...

Performance Focused Vulkan Graphics Driver Engineer

A leading technology firm in Hemel Hempstead is seeking a skilled Software Engineer to develop and optimize Vulkan drivers for their GPU platform. The ideal candidate will have over 5 years of graphics driver development experience, a strong understanding of the Vulkan API, and proven expertise with GPU architec ...

Python Engineer, Data Pipelines for Sports Analytics

Smartodds is looking for a Python Engineer in Greater London to develop data pipelines and back-end solutions. You will engage in hands-on development of applications and maintain high software quality standards. Candidates should have a BSc in computer science or equivalent, as well as strong Python and API dev ...

Robotics Platform Backend Engineer | Equity & Growth

Groupe-Ebra-1 is seeking a Software Engineer to develop systems for managing robot workflows at scale. You will work on backend infrastructure supporting fleets of robots and build tools for operators to define and monitor these workflows. The ideal candidate has strong backend engineering skills, expe ...

Senior Python & C# Engineer — Semantic Search Platform

LexisNexis Risk Solutions is hiring a Software Engineer III in Farringdon, United Kingdom. In this role, you'll architect and build complex systems using Python and C#. You'll create specifications for a semantic search API and implement coding best practices while maintaining an internal data curation tool. ...

Senior Software Engineer (UK Remote)

Job Description Turnitin is seeking a Senior Backend Engineer with a strong focus on backend development, particularly in Java and serverless architectures, combined with solid frontend experience. This role is ideal for engineers passionate about building scalable distributed systems, da ...

Senior Software Engineer (UK Remote)

Job Description Turnitin is seeking a Senior Backend Engineer with a strong focus on backend development, particularly in Java and serverless architectures, combined with solid frontend experience. This role is ideal for engineers passionate about building scalable distributed systems, da ...

Senior Software Engineer (UK Remote)

Job Description Turnitin is seeking a Senior Backend Engineer with a strong focus on backend development, particularly in Java and serverless architectures, combined with solid frontend experience. This role is ideal for engineers passionate about building scalable distributed systems, da ...

Solution Architect

Solution Architect (Senior Consultant / Principal Consultant)London, Bristol, Manchester, or Belfast (Hybrid – 2 days per week on-site)Salary:Senior Consultant: £67k–£78k + £5,900 travel + 15% bonusPrincipal Consultant: £80.7k–£107.6k + £5,900 travel + 15–20% bonusOverview ...

Solution Architect

Solution Architect (Senior Consultant / Principal Consultant) London, Bristol, Manchester, or Belfast (Hybrid - 2 days per week on-site) Senior Consultant: £67k-£78k + £5,900 travel + 15% bonus Principal Consultant: £80.7k-£107.6k + £5,900 travel + 15-20% bonus Overview <p ...

Salesforce & React Native Hybrid Engineer – London

A technology services firm is seeking Salesforce & React Native Specialists in London for a 12+ month contract role. You will support development teams with client projects, requiring expertise in Salesforce and/or React Native. Candidates should be proficient in Java, TDD, RESTful API design, and familiar with ...

Senior Solutions Architect E Commerce & API Excellence

Adecco is seeking a Solutions Architect based in Wembley, London. This role involves delivering innovative technology solutions, focusing on E-commerce platforms and API/Middleware ecosystems. Key responsibilities include conducting structured audits of vendor code, leading data integration between leg ...

Lead QA Engineer — Automation & Security Leader

A leading health technology company is seeking a Lead QA Engineer to lead the design and evolution of test frameworks, focusing on automation, performance, and security testing. This role includes mentoring QA engineers and ensuring best practices across teams. Strong hands-on experience in Java programming and ...

Remote Cloud Engineer — AWS, Terraform & Security

Java Script Works is seeking a talented Cloud Engineer for a full-time remote position. The successful candidate will have experience with cloud technologies including AWS, scripting languages such as Python and Node.js, and infrastructure as code tools like Terraform. Although the pay is competitive, no specifi ...

Senior Automation Test Engineer – Remote/Hybrid

A leading technical consultancy in the Greater Bristol Area is seeking an experienced Senior Automation Test Engineer. The role involves implementing continuous automated testing within CI/CD pipelines, designing test frameworks, and conducting various testing types including automation, security, and performanc ...

Senior Backend Engineer Fraud & Risk Systems (RSU)

hackajob is seeking a Backend Engineer in Greater London to develop a fraud engine that supports fast-paced product releases while managing risk effectively. You will collaborate with cross-functional teams, ensuring a balance between scalability and security. The ideal candidate has strong experience ...

Technical Architect

Technical Architect - Java / Spring Boot About Methods: Methods is a 100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we appl ...

Technical Architect

Technical Architect - Java / Spring Boot About Methods: Methods is a 100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we appl ...

Linux Based Software Integration & Verification Engineer

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR.With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust culture. ...

Principal Engineer CPTO, BPL

Principal Software Engineer, Platform, BPL As an Engineering Lead in our Chief Product and Technology Office (CPTO) you’ll shape the architecture for tomorrow and mentor talented engineers, crafting elegant solutions for complex problems that millions depend on. In this role, you’ll help ...

Principal Engineer CPTO, BPL

Principal Software Engineer, Platform, BPL As an Engineering Lead in our Chief Product and Technology Office (CPTO) you’ll shape the architecture for tomorrow and mentor talented engineers, crafting elegant solutions for complex problems that millions depend on. In this role, you’ll help ...

Director, Full Stack Engineer Talent Pool

At BNY, our culture allows us to run our company better and enables employees’ growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world’s investible assets. Every day, our teams harness cutting‑edge AI and breakthro ...

Principal Software Engineer, AI Innovation

**Job Title:** Principal Software Engineer, AI Innovation**Career Architecture Role:** Software Engineer**Career Architecture Tier:** E35 (Principal, Expert Track)**Job Summary:**This is a founding engineer role in a new, innovation-focused team being built from scratch within Pearson's Enterpris ...

Senior Ruby on Rails Engineer — Tech Lead & Geo API Expert

A leading IT services provider is looking for a Senior Software Engineer specializing in Ruby on Rails. The ideal candidate will have over 5 years of professional software engineering experience and 3 years specifically with Ruby on Rails. This position includes technical leadership, developing new features, and ...

Senior DevOps Engineer, Blink in Cambridge Amazon UK Services Ltd.

Senior DevOps Engineer, Blink Cambridge, United Kingdom Posted 11 months ago This is a job posted by our partner Jooble Amazon UK Services Ltd. Technologies and Tools DevOps Java Bash Linux Hardware <l ...

Data Technology Engineer (UK)

Location: UKDepartment: 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, integration, orchestration, ...

Platform Go Engineer — Kubernetes & Security

Valarian is seeking a Backend Engineer to help develop and operate the ACRA platform. You will work primarily in Go, building services across backend engineering and Kubernetes. The ideal candidate would have experience in API development and a strong understanding of security within distributed systems. ...

SRE Engineer

Our client is looking for a SRE Engineer combining software and IT engineering principles to build and maintain reliable, scalable, and high-performing systems. Job Responsibilities: Scope technical projects and break them down into user stories and tasks within an engineering team ...

Senior Backend Engineer — Payments & Fintech (Remote)

Jobgether is seeking a Senior Software Engineer in the United Kingdom to build and evolve high-scale backend systems essential for global ecommerce. This role entails designing resilient distributed systems, ensuring secure money movement, and collaborating with cross-functional teams. The ideal candid ...

Senior Software Engineer Optimize AI Systems (Remote)

Great Value Hiring is seeking a Senior Software Engineer to contribute expert-level knowledge in programming languages including Python3, Java, Rust, and more. The role involves bug fixing, feature implementation, and significant collaboration with multidisciplinary teams to improve AI models. The idea ...

Senior Cloud Control Plane Engineer (Kubernetes, Terraform)

Confluent Inc is looking for a Software Engineer to work on the Cloud Control Plane. In this role, you will design and implement distributed solutions and provide operational support thereafter. The ideal candidate has strong Kubernetes skills, experience with programming languages such as Go, C++, Jav ...

Principal Engineer, Personalisation & ML Architect

A leading retail company is seeking a Principal Software Engineer to define and drive the technical strategy for personalisation. In this role, you will design scalable systems, mentor engineers, and work closely with various teams to deliver customer-centric solutions. The ideal candidate will have strong exper ...

Solution Architect / Presales / Sales Engineer (DevOps | DevSecOps | MLOps)

Location London Area, UK (Hybrid) About the Company We are a global leader in DevOps, DevSecOps, and MLOps solutions , trusted by thousands of customers worldwide , including most of the Fortune 100 . Our cutting‑edge platform helps enterprises ac ...

Java Developer / Java Developer Lead – Camunda Workflow Automation

📍 Burgess Hill, UK (Hybrid – 2 days onsite)🕒 Contract /We are looking for Java Developers (Mid–Lead level) to support enterprise-scale workflow automation and digital transformation programmes.This role focuses on backend engineering, workflow orchestration, and scalable enterprise automation ...

Mid Java Developer – Core Java, FinTech, Flexible WFH

Understanding Recruitment is looking for a Mid-level Java Developer to join their team in London. This hybrid position requires developers to work in the office 3 days a week and offers a salary of up to £90k plus a bonus. The role is ideal for candidates with 3-5 years of experience in software develo ...

Senior Java Developer — Hybrid Public Sector (Java 21)

Spinwell Global is seeking multiple Senior Java Developers for a 12-month contract focusing on enhancing digital services for the UK Government. The position is hybrid-based, requiring 3 days a week in the office. Candidates should have recent Java 21 experience and be knowledgeable in Agile methodolog ...

Java Developer / Java Developer Lead Camunda Workflow Automation

Burgess Hill, UK (Hybrid - 2 days onsite) Contract / We are looking for Java Developers (Mid-Lead level) to support enterprise‑scale workflow automation and digital transformation programmes. This role focuses on backend engineering, workflow orchestration, and scalable enterprise a ...

Public Cloud Senior Infrastructure Engineer

Public Cloud Senior Infrastructure Engineer Salary: £72,702 - £80,780 Locations: Leeds & Bristol Working Pattern: Hybrid (minimum 2 days per week in the office) Hours: Full-time About the opportunity At Lloyds Banking Group, we’re transforming the way we ...

App Sec Engineer (Application Security)

Application Security Engineer Manchester - Hybrid, 3 days a week in the office. Commutable from Stockport, Wigan, Bolton, Rochdale, Bury, Sale, Liverpool, Warrington, and Runcorn. Up to £75,000 + benefits We're partnered exclusively with a Fintech business in Manchester who've been building their own SaaS platfo ...

Senior Full Stack Engineer – Remote, AI‑Driven Systems

Spotify is looking for a Senior Full-stack Engineer to shape the WhoSampled product as part of its ecosystem. This role involves building and maintaining services across the stack, from backend APIs to frontend interfaces, while embracing Spotify's infrastructure patterns. The ideal candidate will have ...

Senior Full Stack Engineer Remote (SC Clearance)

Searchability is seeking a Senior Full Stack Engineer in London (Remote) to design and build high-quality software solutions. In this role, you will collaborate closely with clients to deliver scalable systems and contribute to architectural decisions. The ideal candidate has proven experience in full stack deve ...

Senior Android Engineer (Kotlin) – Lead & Scale Apps

Deliveroo is seeking a Senior Software Engineer to contribute to team goals and lead projects. This role focuses on improving code structure, architecture, and collaboration across teams in a diverse and inclusive environment. Ideal candidates have over 5 years of experience building Android applicatio ...

Cloud Native VP Engineer, AI Driven Equities

Goldman Sachs Bank AG is seeking a Vice President Software Engineer in London to lead development on the Consolidated Trade Ledger (CTL) initiative. The role will involve designing cloud-native, high-availability services and using AI-assisted engineering tools. Candidates should have over 8 years of experience ...

Senior Software Engineer in Southampton Matchtech

Staff Software Engineer, Onchain (Applied Cryptography) Location: 108 E 16th Street, New York, NY 10003 Responsibilities Technical mentoring of junior engineers Sprint board management Required Skills Significant experience with embedded C/ ...

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