227,879+ Cloudnative Java React Engineer Jobs in UK — Top Companies Hiring July 2026

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Staff Engineer: Backend & Integrations Lead

4C Strategies in Warminster is seeking a Staff Engineer to lead technical vision, integrate systems, and mentor engineers within their team. You'll work closely with Engineering Management and oversee backend development of their Exonaut platform. This role requires strong skills in Java and SQL, with ...

Founding AI Engineer Ship Meaningful Tech with Equity

Oho Group is seeking a Founding Engineer to join their dynamic team in Greater London. This exciting startup, backed by over $50M in funding, wants innovative engineers to build impactful products. You'll work in an agile environment, free from bureaucracy, where your contributions shape the company’s success ...

Fulfillment Platform Engineering Manager – Lead & Scale

Marks & Spencer Plc in the City of Westminster is seeking a strong engineering leader to build and lead high-performing software engineering teams. This role includes overseeing the planning and delivery of complex software initiatives while driving the adoption of standards for software quality and developer ...

Senior Backend Engineering Lead Distributed Systems

Wise, a leading global technology company in London, is seeking a Senior Backend Engineer to lead its Contacts team. The role involves designing scalable architectures and leading a diverse team to deliver exceptional services. The ideal candidate will have a strong technical background in backend engi ...

Senior Software Engineer — Cloud, AI & Data Leadership Path

MCS Group in Belfast is looking for a Senior Software Engineer to join their new engineering presence. This role involves designing and building scalable applications across cloud and data-driven environments, working closely with enterprise clients. The ideal candidate will have strong commercial soft ...

Senior Software Engineer AI/ML & Hybrid UK

8th Light is seeking a Senior Engineer to join our team in Waterloo, London. This hybrid position allows for one day per week in the office, promoting collaboration and innovation. We are looking for candidates with over 4 years of experience in software development, who are familiar with languages such as Py ...

Platform Engineering Lead Cloud & Kubernetes

Fairygodboss is looking for a Senior Lead Software Engineer (Platform) to set technical direction across squads, ensuring the implementation of robust engineering standards and best practices. The role involves developing secure, high-quality code and designing Kubernetes-based platform services. Candi ...

Senior Identity Platform Engineer Auth, OAuth & AI Tools

Ripple is seeking a Senior Software Engineer to join our Authentication & Authorization platform team in Greater London. In this role, you will own key components of identity management across our products, influencing our authentication flows and integrations. The ideal candidate will have strong back ...

Staff Platform Engineer – Core Cloud Platform

Fanatics is seeking a Staff Platform Engineer to join our Platform Engineering team based in the UK or Ireland. This role is essential for overseeing the platforms that power Fanatics Betting & Gaming’s software ecosystem. Responsibilities include driving technical design, architecting cloud-native platforms on ...

Staff Product Security Engineer: Lead Threat Modeling & AI

Chainalysis Inc. in Greater London is seeking a Staff Product Security Engineer to lead security efforts across their SaaS platform. You will partner with engineering on security processes, run reviews, and handle bug reporting workflows to ensure robust application security. The ideal candidate will h ...

Staff Platform Engineer, Payments & Internal Tools

Marks and Spencer is looking for a passionate Staff Software Engineer to join their Software Engineering team. The role involves building high-quality internal platforms and maintaining reliable software solutions. As part of a dynamic and inclusive community, you will mentor other engineers, drive automation ...

Senior Data Engineering Lead Cloud & Microservices

慨正橡扯 is seeking a Senior Software Development Engineer - Data Engineering to join their Win with Data team in Nottingham, UK. This role focuses on designing and developing software features aimed at improving credit card consumer experiences, utilizing languages such as Java and Python. The ideal candi ...

Senior Algo Trading Engineer: Low Latency & SOR

Citi, located in Greater London, is seeking a Senior Software Engineer to focus on the development of their next-gen Algorithmic Trading platform. You will work closely with traders, quants, and development teams to design and optimize solutions that enhance trading efficiency. The ideal candidate will ...

Software Engineer Internship: Build Real World Data Tools

Palantir is seeking a Software Engineer Intern to contribute high-quality code to products like Palantir Gotham, Foundry, and Apollo. As an intern, you will work closely with teams to understand customer needs and ensure successful product development. This role offers a chance to grow quickly in a collaborat ...

Senior Low Latency Trading Systems Engineer (Hybrid)

Citibank (Switzerland) AG in Greater London is seeking a Software Engineer for its Equities Electronic Execution technology team. The role focuses on designing and developing a next-generation low-latency execution platform essential for algorithmic trading and high-throughput market data processing. Candidates ...

FinTech DevOps Engineer CI/CD, Cloud & Security

A leading FinTech company is seeking a talented DevOps Engineer to join their Newcastle team. In this role, you will focus on creating and optimizing infrastructure and CI/CD pipelines for complex financial software. The ideal candidate will have a 2:1 degree or higher in Computer Science, strong scripting and c ...

VP AI Solutions Engineer: Cloud Native AI Architect

Goldman Sachs is seeking an AI Application Engineer to join the AI Innovation and Solutions team in London. This key role involves designing and deploying cloud-native AI applications, integrating advanced AI capabilities to deliver business value through innovative solutions. The successful candidate ...

Senior Application Engineer in Cambridge Luminance

Senior Application Engineer Cambridge, United Kingdom Posted 12 months ago Qualifications Experience with server‑side technologies such as Node.js, PostgreSQL, Redis, and Elasticsearch. Familiarity with Python, Java , and front‑end frameworks is also beneficial. < ...

Front Office Software Engineer – Trading Tech (Glasgow)

Provn is partnering with a leading multi-strategy investment firm to find a Software Engineer for their Front Office technology team in Glasgow. This role involves designing and developing software solutions that support investment and trading activities, offering a collaborative environment with exposure to ...

DV Cleared Data Science Engineer | Cloud Data Platforms

A prominent recruitment agency is searching for a Data Science Engineer to support a public sector programme in the UK. This role involves designing robust data processing systems for analytics and machine learning. Candidates should have a strong software engineering background in languages like Java, Python, o ...

Embedded & Software Engineer – Malvern, On‑Site Impact

QinetiQ is looking for an Embedded Software Engineer to join our team in Malvern. In this role, you will participate in creating cutting-edge solutions to protect against complex threats. With opportunities to work on innovative technology, you will be responsible for software development and engineering acti ...

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 desig ...

Backend Engineer, Payments Platform

Teya is looking for a Software Engineer to join our team in London. You will play an essential role in developing technology for small and medium-sized businesses across Europe. Collaborating with diverse teams, you will help design, develop, and maintain our core systems. The ideal candidate will have at lea ...

Senior Software Engineer — Timetabling Platform & AI

YRA Solutions Ltd. is seeking a Software Engineer II to enhance the CrunchTime platform, which serves modern university needs. You will design, build, and ship features within a small, agile team, directly impacting the product's evolution. The ideal candidate holds a Bachelor’s degree and has 3+ years ...

Mission Critical Software Engineer (Secure Cloud/API)

Envitia is seeking a skilled Software Engineer to design and maintain secure software applications in classified environments. The role involves working within Agile teams to deliver scalable solutions across various technology estates. Candidates must hold a high-level security clearance and have experience ...

Defence Software Test Engineer – Automation & Embedded

Expleo Group is seeking a Software Test Engineer to advance projects in the Defence sector, focusing on Electrical and Embedded Systems. This role involves ensuring software alignment with industry standards, contributing to the software development lifecycle, and participating in both automated and manual te ...

Cloud Native Software Engineer (AWS) – FinTech

Accenture UK & Ireland is seeking a Software Engineer in Leeds to design and develop digital applications. The role involves collaborating with cross-functional teams and requires experience in Java, Typescript, and AWS. In addition to a competitive salary, you will enjoy benefits including up to 25 days vaca ...

Macro Quant Research Software Engineer Analytics

Mondrian Alpha is seeking a Research Software Engineer to join their Quantitative Technology team in London. The candidate will be trusted to work autonomously from day one, integrating automated LLM workflows and building low-latency macro-economic modeling tools in Python. The ideal individual should ...

Mission Critical Software Engineer (Secure Cloud/API)

Envitia is seeking a skilled Software Engineer to design and maintain secure software applications in classified environments. The role involves working within Agile teams to deliver scalable solutions across various technology estates. Candidates must hold a high-level security clearance and have experience ...

Mission Critical Software Engineer (Secure Cloud/API)

Envitia is seeking a skilled Software Engineer to design and maintain secure software applications in classified environments. The role involves working within Agile teams to deliver scalable solutions across various technology estates. Candidates must hold a high-level security clearance and have experience ...

Senior AI Driven Software Engineer – Transformation Office

BNY Mellon is seeking an AI-Forward Software Engineer — AI Transformation Office, Senior Vice President to join their London team. This position requires hands-on engineers who utilize AI tools like Claude Code and Windsurf in daily tasks. Key responsibilities include leveraging AI tools for solution design, ...

Senior Real Time Data Platform Engineer

Morningstar is seeking a Senior Software Engineer in Greater London to join their team responsible for a core data platform handling billions of market data messages daily. This role focuses on designing high-performance, distributed systems using technologies like Apache Flink and Kafka. Candidates should have ...

Platform Services Engineer Build Scalable Backend Systems

Addepar is seeking a skilled backend software engineer to join its Platform Services team in Edinburgh. This role focuses on developing resilient distributed services and supporting product operations through engineering excellence. Candidates should be comfortable working independently and thrive in ambiguou ...

Senior Software Engineer — AI Driven Trading Platform Lead

Citibank (Switzerland) AG is seeking a Senior Software Engineer (SVP) based in London. This role involves hands-on design and implementation of the STIRT platform, where you'll engage deeply with traders and manage a talented global engineering team. You'll drive technology evolution with a strong focus on in ...

Senior Staff Backend Engineer – Distributed Systems

Metropolis Technologies in Abbot's Salford is seeking a Senior Staff Software Engineer for their AeroParker team to lead technical strategy and architecture for their e-commerce platform. You'll engage in high-impact initiatives and mentor senior engineers while ensuring systems scalability and security. ...

Senior Full Stack Engineer & Platform Architect

Navan is seeking a Sr. Full-Stack Engineer to lead the design and development of core product features that power our platform, utilized by thousands of travelers globally. You’ll take charge of technical strategy, mentor engineers, and ensure effective collaboration across teams. The ideal candidate h ...

Staff Platform Engineer – Content, APIs & Dataflow

Marks & Spencer Plc is seeking a Staff Software Engineer to enhance their Content Domain platform. This role emphasizes backend development for content and media, focusing on GraphQL architecture and automation. The ideal candidate will leverage their Java expertise along with Azure experience to support scal ...

Senior Full Stack Engineer | AI Driven Music Data Systems

The Consulting Solutions is looking for a Senior Fullstack Engineer to join their growing team and play a key role in developing and modernizing WhoSampled as part of Spotify. You will build and maintain services across the stack, improve database matching, and lead infrastructure efforts. The ideal ca ...

Software Engineer III – Market Data Services (Hybrid)

CME Group Inc. is seeking a Software Engineer III to join the Data Services Domain in Belfast. This role focuses on enhancing operational efficiency and supporting compliance within our Market Data Services team. Ideal candidates will have intermediate Java and Python skills, experience with data infrastructu ...

VP, Cloud Native Full Stack Engineer

United States Digital Space LLC is looking for an experienced Senior Full Stack / Native Cloud Engineer at Vice President level to join their London Technology team. This strategic role focuses on designing scalable cloud-native solutions for the technology landscape, requiring both technical expertise and le ...

Principal Engineer: Architecture, Delivery & Platform

Yorkshire Building Society is seeking a Principal Engineer to lead complex technical initiatives and provide technical leadership across projects. You will translate business needs into scalable, high-quality solutions while working in a hybrid role between home and our central offices in Leeds and Bradford. ...

Senior Director of Platform & AI Engineering

J.P. MORGAN in Bournemouth is seeking a Senior Principal Software Engineer to drive innovation and product development within the Infrastructure Platforms - Cloud Foundation Services team. The ideal candidate will possess proven software engineering experience, practical cloud native experience, and ex ...

Senior Quantitative Software Engineer Market Making

Gravity Engineering Services Pvt Ltd. is seeking a seasoned software engineer with a strong background in finance and algorithmic trading. You will architect and develop robust market-making engines and order-management systems, owning the end-to-end lifecycle of trading algorithms. The ideal candidate ...

Staff Platform Engineer: Billing Systems & Microservices

APEX Fintech Solutions UK is looking for a Staff Software Engineer to design and optimize billing services essential for processing billions of transactions. This role demands extensive experience in software development, particularly with Java and Python, and a strong grasp of cloud technology and microservi ...

Video Quality ML Engineer – Real Time Vision

A renowned multinational company in the UK is looking for a Machine Learning Engineer specializing in Video Quality Analysis. In this role, you will design and implement algorithms to detect defects in video quality using advanced computer vision and machine learning techniques. The position emphasizes optimizin ...

Founding Software Engineer Cybersecurity Startup (London)

Oho Group is looking for a Founding Software Engineer in London to help build the future of cybersecurity. This role provides a unique opportunity to join a founding team recognized for successfully scaling security companies. The ideal candidate will design and build core systems, solve complex securi ...

Senior Lead Software Engineer, Markets Tech – High Impact

J.P. MORGAN is seeking a Lead Software Engineer in Greater London who will design and deliver secure, stable, and scalable technology solutions. Collaborating within an agile team, you'll contribute to the architecture and development of applications, ensuring high standards and improvements that directly imp ...

Senior Production Engineering Lead

Citigroup Inc. is seeking a Senior Engineer in Production Management to lead the development of critical software solutions. This role offers the opportunity to influence global finance and drive innovation with a focus on clean code and agile methodologies. The candidate will take ownership of technic ...

Video Quality ML Engineer – Real Time Vision

A renowned multinational company in the UK is looking for a Machine Learning Engineer specializing in Video Quality Analysis. In this role, you will design and implement algorithms to detect defects in video quality using advanced computer vision and machine learning techniques. The position emphasizes optimizin ...

Senior Site Reliability Engineer: Scale & Automate Services

Apple Inc. is seeking a Site Reliability Engineer for iCloud in the United States. This role involves ensuring the reliability and performance of products like iCloud Photos, Mail, Drive, and more. The ideal candidate will have a strong background in managing distributed systems and deploying cloud solutions. ...

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    Cloudnative Java React Engineer Jobs in United Kingdom Job Search Guide, Trends and Insights