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

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Senior Palantir Engineer: Scalable Data Solutions Lead

A leading technology firm in Budock Water is seeking a Senior Palantir Engineer to design and develop data processing software for large-scale solutions. The ideal candidate will have strong experience in Java, Scala, or Python, and familiarity with data-processing platforms like AWS and Azure. This role emphasi ...

Software Engineer — Build Real World Public Services (Remote)

慨正橡扯 in Bristol is looking for a Software Engineer who wants to see their work impact public services. The role involves planning and developing features across various technologies including Java, Python, and more. Applicants should have a strong coding background, a drive for learning, and be eligibl ...

Data & Trading Systems Software Engineer

Two Sigma in Greater London is seeking a talented software engineer to tackle the complex challenge of discovering hidden value in data. Ideal candidates hold a Bachelors with Honours and have 1-10 years of relevant experience, including expertise in Java, Python, and C/C++. You will develop robust data pipeline ...

Java Engineer – Hybrid Hedge Fund in London | 30% Bonus

Quant Capital is seeking a Software Engineer for a Small Hedge Fund in London. The role requires strong skills in Java and Python to support a high-profile client. The position offers a competitive compensation package of £90k plus a 30% bonus, with a requirement to be in the office three days a week. This full- ...

Senior Backend Engineer & Tech Leader (Multi‑Team)

A financial technology company in Nottingham is looking for a Staff Software Engineer - Back End. You will shape technical strategies, lead multiple teams, and enhance engineering practices. The ideal candidate has deep expertise in Java, distributed architectures, and cloud platforms like AWS. This permanent ro ...

Defence Test Automation Engineer — Career Growth

A global technology leader seeks a Quality Engineer in Hursley, UK. This role focuses on automating testing processes to ensure efficient software delivery. Candidates should possess strong knowledge in Java DevOps, experience writing test automation scripts, and familiarity with tools like Selenium and Cypress. ...

Senior Software Engineer FX Trading Platforms

Macquarie Bank Limited is seeking a Senior Software Engineer to join their eFX Digital Technology team in London. This role involves designing and enhancing electronic FX trading solutions in a dynamic environment, collaborating with various stakeholders and technical teams. The ideal candidate holds e ...

AVP Java Developer Hybrid OpenShift & Microservices

Citi is seeking a motivated Engineer to develop tools for its global developer community. The role involves working on Java and SpringBoot microservices, engaging in all aspects of the Software Development Lifecycle, and providing expert support for developers. The position offers a competitive salary, ...

Senior Full Stack Engineer: React & Java, Drive Impact

A prominent financial services firm in Glasgow seeks a Software Engineer III to join their agile team. You will play a key role in delivering technology solutions across multiple business functions, focusing on high-quality code and innovative troubleshooting. The ideal candidate has extensive experience in UI d ...

Senior Full Stack Engineer — AI First & Agile Innovator

BNY is seeking a Senior Specialist, Full-Stack Engineer to join the Trustee & Depositary Engineering organization in Manchester. This role will focus on delivering high-quality and scalable technology solutions, working hands-on with modern technologies throughout the software lifecycle. Candidates should have a ...

Lead Software Engineer AI Driven FinTech Platform

JPMorganChase is seeking a Lead Software Engineer in Prime Finance Services to design and deliver innovative technology solutions. This role focuses on enhancing the equity finance platform and requires expertise in Java, AI-driven engineering, and collaboration across global teams. The ideal candidate ...

Senior Backend Engineer: Cloud Microservices

JP Morgan Chase is looking for a Software Engineer III to contribute to innovative digital banking solutions in Greater London. Join a dynamic team dedicated to delivering top-tier banking experiences through cloud-native architecture. The role focuses on building secure, scalable applications and enha ...

Senior Full Stack Engineer Public Sector Impact (Hybrid)

A digital transformation consultancy is seeking a Senior Full Stack Software Engineer in the UK to lead the delivery of complex digital solutions in the public sector. This role demands 5+ years of experience with technologies like .NET, Java, and Python, within a collaborative team. You will influence technical ...

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 ...

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/ ...

Staff Software Engineer – Embedded/Crypto, Mentoring & Leadership

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/ ...

Senior Software Engineer, Unified Trade Platform

DRW Holdings, LLC. is seeking a Senior Software Engineer for their Unified Platform in London. The role involves building robust systems with an emphasis on testing and scalability, designing and programming in languages such as Java, Python, and Clojure. The ideal candidate has experience with micro-s ...

Senior Software Engineer (AVP) Hybrid Finance Tech

Citibank (Switzerland) AG is looking for a Senior Software Engineer in Belfast to join their Markets Operations Technology team. You will tackle engineering challenges while building robust solutions using Java, React, and Python. This role comes with a competitive base salary, 27 annual leave days, private medi ...

Senior Software Engineer, Scale — Fintech Platform

Airwallex, a global payments platform, seeks an experienced Software Engineer to join our team in Greater London. You'll design and maintain our embedded finance infrastructure, collaborate across departments, and impact how businesses use our services. We're looking for someone with 5+ years in Java/Spring Boot ...

Senior Android Engineer Digital Identity & Fintech

A leading financial services firm is seeking a Software Engineer III - Android to focus on creating customer-centric products. You will be responsible for developing and delivering product features, collaborating with cross-functional teams, and ensuring high-quality code. The ideal candidate will have advanced ...

Senior Backend Engineer, Business Pricing (End to End)

A financial technology company in Greater London seeks a Senior Software Engineer to build and maintain backend systems for the Business Pricing team. The successful candidate will lead a small team, collaborate with product managers, and improve customer experiences. Required qualifications include 5+ years in ...

Senior Software Engineer, Unified Trade Platform & Orders

DRW in London is looking for a Senior Software Engineer for their Unified Platform, focusing on trade management and order processing. This role involves building reliable and scalable systems, engaging in both legacy and green-field development, and promoting new technologies. Candidates should have e ...

Senior Software Engineer FX Trading Platforms

A global financial services provider is seeking a Senior Software Engineer to enhance electronic FX trading solutions. In this role, you will leverage your Java expertise and work in a collaborative environment to deliver robust systems that meet business needs. You will contribute to solution design, guide engi ...

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 ...

AI Driven Software Engineer — London (Early Stage)

Java Script Works is seeking a Software Engineer to join their team in London. The role involves working with cutting-edge technologies, specifically in integrating AI and APIs using TypeScript and Python within a cloud-native environment. This is a full-time position, offering a competitive salary bet ...

Cloud Software Engineer Build Scalable AI Systems

Amazon is looking for a Software Development Engineer I to work in Edinburgh, UK. This role involves designing and building scalable services, contributing to innovative products, and participating in code reviews. Candidates should be enrolled in or have completed a degree in a relevant field and have experienc ...

Senior Backend Engineer – Identity & Access (OAuth/OIDC)

Ripple is looking for a Senior Software Engineer to join our Authentication & Authorisation team in London, UK. You’ll own the identity platform design and delivery, focusing on authentication flows, IdP integrations, and more. The ideal candidate will have significant backend engineering experience in ...

Principal Search Scaling Engineer — Elasticsearch Core

Elastic is looking for a Principal Software Engineer to join their Elasticsearch - Search Scaling team in London. You will lead the evolution of core search capabilities, contribute to the team’s technical vision, and mentor other engineers. The role requires deep expertise in search technologies such as Elastic ...

Frontend Engineer: Vue/TS & Modern UI Dev

Java Script Works is looking for a software engineer based in Greater London to work in a challenging tech environment. The ideal candidate will be proficient in JavaScript (ES6+), CSS, and modern frameworks like Vue, with experience in frontend development and responsive design. Responsibilities include develop ...

Senior Data Engineer Palantir Platform

A technology solutions provider in Greater London is seeking a Senior Palantir Engineer to design and develop data processing software for Big Data technologies. The role involves collaborating with various teams to ensure code quality and operational readiness. Strong experience in Java, Scala, or Python and fa ...

DV Cleared Data Science Engineer Cloud & ML

A prominent technology recruitment company is seeking a Data Science Engineer to support a major public sector programme in London or Manchester. The role involves designing and maintaining scalable data processing systems, collaborating with multidisciplinary teams, and requires DV Clearance. Candidates should ...

Fintech Software Engineer – Payments & Cloud

Edenred Italia S.r.l. seeks a Software Engineer for its London office, focusing on the design and implementation of innovative payment solutions. You will be part of a collaborative team working under Edenred PayTech, a leading fintech company managing over €100 billion in global payments. Ideal candidates will ...

Full Stack TypeScript Engineer — Flexible Hours & £80k

Java Script Works is seeking a Full Stack Javascript Software Engineer to work within a global development team based in Surbiton, Greater London. The successful applicant will handle design, development, and maintenance of the main pricing analytical library using TypeScript. Qualifications include knowledge of ...

Senior Staff Backend & Data Engineer FinTech (Relocation)

Agoda is looking for an experienced backend engineer in Greater London, UK to architect and maintain scalable systems fundamental to our FinTech solutions. The ideal candidate has over 8 years of experience in software development, particularly in Java, Kotlin, Scala, or C#, with expertise in big data and real-t ...

API Developer AI Trainer in Leeds DataAnnotation

Responsibilities You will be responsible for coming up with diverse problems and... Qualifications A bachelor1s degree (completed or in progress) is also required. Proficiency in additional programming languages/frameworks such as TypeScript, C, C#, C++, HTML/CSS, React, Go, Java, ...

Full Stack Engineer Hybrid, Shape Core Platform, 20% Bonus

A leading fintech company based in Cardiff is seeking a Full Stack Engineer to develop shared components and architecture used across all product teams. This role offers the opportunity to influence software development practices while working on greenfield projects. Essential qualifications include strong Java ...

VP, Low Latency Algo Trading Systems

Citigroup Inc. is seeking a Software Engineer to join the Equities Electronic-Execution technology team in London. You'll design and deliver next-generation low-latency execution platforms including Algorithmic Trading and Smart Order Routing. Candidates should have strong knowledge in Java, C++, or Rust, along ...

Senior Backend Engineer Distributed Data Platform

A leading data and AI company in London is seeking an experienced Software Engineer to enhance their Lakehouse Platform. The role focuses on building reliable and secure services for data storage and access, requiring 8+ years of experience in Java, Scala, C++, or similar. Candidates should possess a BS in Compu ...

Impact Focused FDSE: Field Embedded Data Solutions

A leading data analytics company in Greater London is seeking a Forward Deployed Software Engineer. You will work closely with customers to tackle critical challenges, utilizing advanced technology and large-scale data. Candidates should possess a strong engineering background, be proficient in languages like Py ...

Android Mobile Engineer in Charing Halian Technology Limited

This is a job posted by a partner. Requirements I am looking for candidates with extensive experience in native Android development using Kotlin and Java. A strong grasp of MVVM, MVP, and modern Android architecture patterns is essential. You should have a deep understanding of TDD, ...

Full Stack Engineer: TypeScript & Python for Respiratory Health

Java Script Works in Cambridge is looking for a Full-Stack Software Engineer to enhance respiratory healthcare through innovative web applications. You will work with technologies like TypeScript and Vue.js, contributing to cross-functional teams to deliver effective solutions. Proficiency in back-end ...

Lead Fullstack Engineer (Java/JS) for Cloud Native APIs

A leading bank in the UK is looking for a talented Lead Fullstack Software Engineer to join their hybrid work environment. This role will require you to lead engineering teams to design, build, and deploy scalable applications. The ideal candidate will possess strong experience in Java, with familiarity in front ...

Frontend Engineer: React/TypeScript, AWS & UI/UX

Java Script Works is looking for a Software Engineer in Exeter, United Kingdom. The ideal candidate will have strong skills in JavaScript, front-end development with HTML, CSS, and React, as well as UI/UX design principles. Experience with AWS is highly preferred, alongside knowledge of PyTorch and other deep-le ...

Lead Software Engineer, Fixed Income (UK) AI & Cloud

J.P. MORGAN seeks a Lead Software Engineer in Greater London to enhance and deliver technology products within the Commercial and Investment Bank - Post Trade Technology Group. You will be responsible for developing high-quality code and leading technical solutions across various business functions. Th ...

Senior Ads Auction Engineer — Real Time CTV Platform

Roku is seeking a software engineer for the Ads Auction and Marketplace systems to optimize yield and real-time outcomes. You will design and implement auction capabilities and integrate them with other teams while improving ad auction features. Your coding skills in Java and experience with distribute ...

Senior Backend Engineer AI Powered Search Platform

Elsevier is seeking a Senior Software Engineer I to build and enhance their Search and AI Platform. This role involves designing graph-based search services and integrating with various cloud services. The ideal candidate has over 4 years of experience with strong expertise in Java and AWS. You will co ...

Lead Quant Software Engineer – Equity Derivatives

Join J.P. MORGAN as a Lead Software Engineer in Greater London, where you will design secure technology solutions that support business objectives. Collaborate across agile teams to develop high-quality applications and drive improvements in production reliability. This role requires a Bachelor's degre ...

Lead Software Engineer – Options Algorithmic Trading

JPMorgan Chase & Co. is looking for a Lead Software Engineer to join their Options Algorithmic Trading team. You will design and optimize algorithmic trading engines, working collaboratively to create innovative solutions that enhance trading systems. The ideal candidate will have advanced Java skills, ...

Senior Graph & AI Platform Engineer Flexible Hours

RELX INC is seeking a Senior Software Engineer I for their Search and AI Platform. You will design scalable, data-driven applications that enhance research capabilities and deliver business value. The position requires expertise in Java, Spring Boot, and distributed systems, working with cloud-native architec ...

Staff Backend Engineer Banking Platform Leader

Starling is looking for a Backend Software Engineer to join its Engine platform team in Manchester. As a part of a hybrid work culture, you'll lead projects, ensure technical excellence, and collaborate with stakeholders. The role requires strong Java skills, a solid understanding of DevOps practices, ...

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