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

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Staff Engineer

Job Type: Permanent Location: London, UK Mode of Working: Hybrid Number of hours: 40 hours per week – full time Ready to utilize your experience and expertise in Staffing Engineer? We have an exciting role for you – Staff Engineer! ...

Senior Software Engineer

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning! Python on AWS £90-£110,000 per annum plus stock London Office - 1-2 days a week Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to bui ...

Engineering Team Lead (Belfast, hybrid)

Engineering Team Lead At-a-Glance Senior hands-on leadership role spanning people management, architecture, and delivery C#, Java or similar modern backend stack within a distributed, cloud-native environment Hybrid working, Belfast- ...

Front End Engineer

Location & Reporting London (Old Street office, 3 days/week) Reports to: Engineering Manager Company Overview Blink is an employee app for frontline workers, with industry‑leading engagement and a DAU of 99%. We’re scaling our platform through innovation, precision, and au ...

Frontend Software Engineer

Description Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and ...

Full Stack Developer

Full Stack Developer - Permanent PositionManchester / Hybrid (3 days onsite)Up to £60,000 + bonus + private healthcareWe’re working with a PE-backed consumer platform currently rebuilding their internal engineering capability after historically relying on outsourced development teams.The ...

Software Engineering Manager – Full Stack

A career without limits As the nation’s flag carrier, we take great pride in connecting Britain with the world and the world with Britain. It’s something we’ve been doing for over 100 years, ever since we launched the world’s first international scheduled air service between Lo ...

Senior Software Manager, QA

Team Description As part of the ADO team under GPTO Engineering, you’ll report to the Sr. Director of Engineering. This team is accountable for performance test automation, configuration, and verification, delivering repeatable performance comparison testing and diagnosis across a range of ADO op ...

AI Backend Engineer, EMEA

About The Role We are looking for a Backend Engineer who builds with AI at the centre of their craft — not as a novelty, but as a primary tool that shapes how they design, write, review, and ship code. If you've already integrated Claude Code, agentic coding tools, and MCP servers deep ...

Senior Staff Software Engineer

Ready to shape the future of data?Matillion is the intelligent data integration platform.We're changing how the world works with data – and we need driven, curious people who think big and move fast. We built the to supercharge data productivity, and now we’re shaping the future of data engineering with – ...

AI Backend Engineer, EMEA

About The Role We are looking for a Backend Engineer who builds with AI at the centre of their craft — not as a novelty, but as a primary tool that shapes how they design, write, review, and ship code. If you've already integrated Claude Code, agentic coding tools, and MCP servers deep ...

Staff Engineer

Salary: £50,400 - 55,200 per year Requirements 10–15+ years building large-scale backend systems Strong Java, Spring Boot (or Micronaut/Quarkus), and JVM expertise Deep experience with distributed systems, concurrency, and performance engineering Ha ...

Senior Software Engineering (Saas)

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Title: Software Engineering Team Leader (Saas) Location: Witney (Hybrid/Remote) Salary: Up to £60,000 depending on experience + plus benefits Are you ready to take your expe ...

Senior Full Stack Developer Python, Node & AWS

Full Stack Developer (Python, Node & AWS) Location: Northampton (hybrid work: about 3 days in office, 2 days remote). Salary: £60,000-£70,000 + up to 15% bonus. The ideal candidate will have solid hands‑on skills across a full development stack. Python Node ...

Senior Software Engineer in London Collinson

Qualifications Proven experience as a Senior Engineer or multiple years in software engineering roles. Skills Full-Stack Fluency: Deep understanding of JavaScript/TypeScript, Node.js, React, GraphQL, and AWS (EKS, Lambda, RDS). API & Data Mastery: Skilled in building res ...

UI Developer Contract in London Quant Capital

The Role I am hiring to grow the UI team to develop new features for our exciting frontend product built in React, as well as maintaining existing features. UI Developers Must Have Deep knowledge of JavaScript or TypeScript, HTML and CSS Experience of backend syste ...

Frontend Developer in Wellington Searchability (UK) Ltd

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Requirements 2+ years of industry experience within a digital agency Experience with modern front-end frameworks such as Vue.j ...

Principal Software Engineer, £600/day (Outside IR35)

Opportunity for a Principal Software Engineer to work for a retail company near Manchester going through a large digital transformation. This is an initial 6-month contract outside IR35 to help deliver re-platforming of existing systems to an event-driven MACH architecture. Skills: <ul ...

Software Engineer

Salary: £40,000–£60,000 (depending on experience)Location: UK-wide (Hybrid / On-site options available)Working Pattern: Full-time The Opportunity We’re looking for talented and motivated Software Engineers to take on a range of cutting‑edge engineering and technology roles. ...

Full stack Engineer

As a Full-Stack Engineer working on Octopart.com, you will be responsible for the design and maintenance of the user-facing features and interfaces, including Part Searching and Exploration. You will also develop web services implementing the business logic powering these features. Pleas ...

CIAM Software Engineer

CIAM Software Engineer Role: CIAM Software Engineer Salary: Up to 60k Location: Hybrid/Remote Tech Stack: Auth0, Okta, Ping Identity, OAuth2, OpenID Connect (OIDC), SAML, SCIM, React, Angular, NestJS, Azure/AWS/GCP, Docker, Kubernetes, Terraform Unfortunately, we are unable to offer visa sponsorship at this time ...

Senior Software Engineer

At Focused, we move quickly to deliver quality software that achieves client outcomes and meets their customer’s needs. We strategically partner with our clients to leverage our expertise in design and software, while our clients bring their own domain expertise. We work with a variety of clients from diff ...

Staff Software Engineer

At Focused, we move quickly to deliver quality software that achieves client outcomes and meets their customer’s needs. We strategically partner with our clients to leverage our expertise in design and software, while our clients bring their own domain expertise. We work with a variety of clients from diff ...

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 ...

Graduate Software Engineer

Job Description This role is hybrid, consisting of work from our offices and home, with home-working permitted most of the time and offices being used for meetings and team days. You will ideally be based in and around our Glasgow office.The Guardian Mobile solution is respo ...

C++ Engineer – London

Salary: £200k base + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant firm is looking for an expert C++ engineer to join their core UI team. Their projects include applications for real-time trading and ...

C# Developer Full Stack.Net Core JavaScript

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100kAre you an ambitious C# Developer looking to apply your technical skills in a fast paced environment where technology, data and sport intersect?You could be progressing your career at a highly successful tec ...

Software Engineer

Senior Software Engineer – Frontend & UI/UX Hybrid Working Permanent You build things that look right, feel right, and work right. Not just functional genuinely well crafted. We're hiring a Senior Software Engineer with strong frontend and UI/UX capability to join a ...

Front End Engineer II

Engineer II – Belfast, Northern Ireland Magnite is looking for an Engineer II to join our Streaming UI team in Belfast. This role involves building mission‑critical React applications for publishers and account managers across the ad‑serving lifecycle. Responsibilities Write p ...

Senior Full Stack Engineer (+ Equity) at SYSTM

Job Title: Senior Full-Stack Engineer Company Description: SYSTM - VC-backed fintech building the stablecoin financial OS Job Description: As the most critical hire of 2026, you will own the technical architecture of a platform revolutionizing cross-border finance. Wor ...

Founding Product Engineer (£110k £145k + Equity) at Nexcade AI

Overview Job Title: Founding Product Engineer Salary: £110k-£145k + Equity Company Description: Nexcade AI - Freshly funded AI startup automating complex global freight forwarding workflows Job Description: Join Nexcade AI as a Founding Product ...

Senior Frontend Developer

A fast-scaling, AI-enabled property technology business is hiring a Front End Engineer to help build the next generation of products powering a rapidly growing platform. Backed by significant funding and scaling quickly through acquisition and technology, the business is using AI and automation to moder ...

Staff Backend Engineer

Staff Backend Engineer at Xpertise Recruitment Salary: Up to £95,000 + up to 30% bonus + generous pensionLocation: Central London (1 day per week in office)Type: Permanent About the Role They are a leading organisation in the financial and insur ...

Full Stack TypeScript Staff Engineer

Join to apply for the Full Stack TypeScript Staff Engineer role at Xpertise Recruitment Salary & Benefits Salary: Up to £95,000 + up to 30% bonus + generous pension Location: Central London (1 day per week in office) Type: Permanent ...

Full Stack Engineer

Job Summary We’re looking for a Full Stack Engineer to join our Engineering team focused on our Companies team. This is a high‑impact role, contributing to the continued development of core tooling that enables companies to manage and make sense of ESG data. You will collaborate closely with Prod ...

Senior Frontend Engineer (£150k + Equity) at Deducta

Company Description: Deducta - Early-stage AI data intelligence startup Job Title: Senior Frontend Engineer Salary: £150k + Equity Location: London, UK Join a high-caliber team of Rhodes Scholars and ex-Spotify founders building an AI-native data intelligence platform. As a ...

Founding Product Engineer (£110k £145k + Equity) at Nexcade AI

Overview Job Title: Founding Product Engineer Salary: £110k-£145k + Equity Company Description: Nexcade AI - Freshly funded AI startup automating complex global freight forwarding workflows Job Description: Join Nexcade AI as a Founding Product ...

Founding AI Engineer at Satorus Group Limited

Founding AI Engineer Salary: Not Disclosed Location: London, UK Satorus Group Limited is a London-based technology firm revolutionizing the intelligence sector by automating end-to-end investigation workflows. Moving beyond simple data aggregation, the team is building an AI-power ...

C++ Engineer – London

Salary: £200k base + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant firm is looking for an expert C++ engineer to join their core UI team. Their projects include applications for real-time trading and ...

C# Developer Full Stack.Net Core JavaScript

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100kAre you an ambitious C# Developer looking to apply your technical skills in a fast paced environment where technology, data and sport intersect?You could be progressing your career at a highly successful tec ...

Founding Product Engineer (£110k £145k + Equity) at Nexcade AI

OverviewJob Title: Founding Product EngineerSalary: £110k-£145k + EquityCompany Description: Nexcade AI - Freshly funded AI startup automating complex global freight forwarding workflowsJob Description: Join Nexcade AI as a Founding Product Engine ...

Full Stack Engineer

Full-Stack Engineer — Axola Axola is an AI-powered digital coaching platform. We’ve built a proprietary computer vision system that analyses biomechanics from video to deliver real-time feedback, personalised training plans and performance insights. Over the past two year ...

Lead Software Engineer – Margin Technology Vice President

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we ...

Senior Frontend Engineer

Job Description The Role As a Senior UI Software Engineer, you will join our globally distributed team to enhance the Cint Exchange's Ordering platform. Your mission is to deliver an exceptional user experience for buyers, ensuring rapid delivery of high-quality research answers. ...

Principal Software Engineer

UK citizenship required for this position: Yes Relocation assistance may be available. Travel: Yes, 10% of the time. Define Possible at Northrop Grumman UK What’s your possible? At Northrop Grumman UK, you are part of a team driving innovation where it matters most ...

Backend Engineer III Remote, Stock Options

London / UK Remote | Engineer III £75,000 - £105,000 + | Technology - Engineering | About Our Engineering Teams We have around 400 engineers across Monzo who design and build our in‑house banking platform. We have big ambitions for the future, and technology plays a big role in creating a ...

Backend Engineer III

London / UK Remote | Engineer III £75,000 - £105,000 + | Technology - Engineering | About Our Engineering Teams We have around 400 engineers across Monzo who design and build our in‑house banking platform. We have big ambitions for the future, and technology plays a big role in creating a ...

Principal Software Engineer

UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: UK-Highest Level of Government Clearance TRAVEL: Yes, 10% of the Time Define Possible at Northrop Grumman UK What’s your possible? At Nort ...

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