319,857+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Front End Developer (React/Modern JavaScript) eSC/eDV Clearance

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

ML Ops/ML Engineer MUST HAVE SC CLEARANCE Portsmouth And Remote 2 Months+

ML Ops/ML Engineer - MUST HAVE SC CLEARANCE - Portsmouth and remote - 2 months+/RATE: £525 per day inside OR35 (MLOps, ML-Ops, ML Ops, ML/Ops, Machine Learning) One of our Blue Chip Clients is urgently looking for a ML Ops/ML Engineer. For this role you will need to ...

Lead Cloud Engineer

Lead Cloud Engineer London/Hybrid 500/day Inside Ir35 Our public sector client is recruiting a Lead Cloud Engineer (contract) to take ownership of a mature, multi-cloud platform spanning primarily AWS (some GCP), driving the design, delivery, and optimisation of secure, hi ...

DevOps Engineer

We’re hiring a DevOps Engineer to support and improve a growing cloud-based platform used across Germany.This is a hands‑on role focused on automation, infrastructure and improving how things run day-to-day. What you’ll do Work with cloud infrastructure (AWS or Azure) Help ...

Security Operations Engineer

Security Operations Engineer (London – Hybrid) Tokio Marine Kiln is looking for an experienced Security Operations Engineer to strengthen key security controls in the public cloud. The role sits on our SecOps team at Fenchurch Street and involves working with AWS and Azure to keep our systems resi ...

Security Operations Engineer

Security Operations Engineer (London – Hybrid) Tokio Marine Kiln is looking for an experienced Security Operations Engineer to strengthen key security controls in the public cloud. The role sits on our SecOps team at Fenchurch Street and involves working with AWS and Azure to keep our systems resi ...

Senior Full Stack Developer Downdetector Connect

Description Position at Ookla The Opportunity:As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent s ...

Senior Full Stack Developer Downdetector Connect

Description Position at Ookla The Opportunity:As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent s ...

Senior Full Stack Developer Downdetector Connect

Description Position at Ookla The Opportunity:As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent s ...

Senior Full Stack Developer Downdetector Connect

Description Position at Ookla The Opportunity:As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent s ...

Data Centre Engineering Cluster Manager, Data Centre Engineering Operations

DescriptionAWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. We're the people who keep the cloud running. We support all AWS data centers and all the servers, storage, networking, power, and cooling equipment that ensure our customers have contin ...

Dev Ops Engineer

DevOps Engineer Location: Belfast (On site) About StormHarvester StormHarvester helps wastewater utilities predict and prevent issues like flooding and pollution before they happen, protecting communities and reducing costs. We are the market leader in this space. At its core, S ...

Senior Solutions Architect

We are seeking a Solutions Architect to lead a diverse portfolio of initiatives across the FTSE Russell Index platform estate, including operational risk remediation, regulatory compliance, resiliency improvements, and platform modernization. This role requires a hands‑on architect who can work eff ...

Professional Services Architect EMEA

About SnapLogic SnapLogic is the Agentic Integration Company, integrating AI, data, applications, and microservices into one powerful platform that transforms how enterprises connect, automate, and scale. Unlike legacy integration tools, SnapLogic is built for the AI era and trusted by global lea ...

Application Engineering Technical Lead II

Role Summary The technology team at Vanguard is key to the development and running of the European websites, onboarding and servicing of our professional investors. We work with exciting and leading technologies within a microservice architecture including Angular, Node JS, HTML, JavaScri ...

Senior Software Engineer – AI & Prompt Engineering £100k Python/ TypeScript

This range is provided by La Fosse. 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 La Fosse Head of Practice - Software Engineering @ La Fosse I’m working with an exc ...

Software Engineer – Grow with a High Growth Tech Team

Candour is seeking a Software Developer in Cumbria with experience in Microsoft .Net and Azure. The role involves developing industry-leading solutions, collaborating closely with teams, and helping juniors grow through mentorship. Offering a competitive salary of £40,000+ and 31 days of holidays, this positi ...

In House .NET Software Engineer (C#, SQL & BI Reporting)

Bridgnorth Aluminium is looking for a skilled Software Developer to maintain and develop in-house applications and databases. The ideal candidate will work closely with users to resolve issues and enhance systems, utilizing C# and SQL, along with reporting tools like SSRS and Crystal Reports. The role ...

C++/Rust Software Engineer — Linux RT & Cloud Security (Hybrid)

SoCode Limited is seeking a Mid/Senior C++/Rust Software Engineer to join their hybrid team in Cambridgeshire. You will engage in greenfield development, contributing to Linux-based cloud applications and network security solutions. The ideal candidate has experience in C++ and/or Rust and will be resp ...

Software Developer Equity Market Making Trading Platform

Software Developer - Equity Market Making Trading Platform London, GB Full-Time Information Technology About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to client ...

Cloud Engineer Azure

Position Name: Cloud Engineer - Azure Reports to: Professional Services Manager Location/Type: UK Remote Atlas Technica seeks a Cloud Solutions Engineer to join the professional services team, focusing on project implementation, onboarding large and complex c ...

Senior Network Security Engineer

Senior Network Security Engineer | Palo Alto, Public Cloud, Cisco | Mission-Critical Global Platforms Windsor, Berkshire - 4 days onsite, 1 day from home Permanent, Full-time The role You will join a global Managed Services and Infrastructure team (2000 e ...

Sr DevOps Engineer

At Xe, we live currencies. We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. We leverage technology to deliver these services through our website, m ...

DevSecOps Engineer

MCS Group is working with a global technology organisation to recruit a DevSecOps Engineer for their Belfast hub. This is a broad, hands on role at the intersection of cloud infrastructure, security engineering, and DevSecOps. Ideal for someone who wants to own the full security lifecycle across a modern m ...

Cloud Security Engineer

Cloud Security Engineer Our client is a leading organisation in the digital asset space, supporting institutional partners with secure, innovative technology solutions. They are seeking a Cloud Security Engineer to own the security of their multi‑cloud environments, designing and enforcing securi ...

Contract Network Engineer

We are seeking a skilled Network Engineer on a contract basis to join our clients IT Operations team. In this role, you will ensure the reliability, performance, and security of critical network infrastructure across the company, data center, and multi-cloud environments (AWS/GCP). While primarily ...

Senior Manager Manageability Software Team

HP Wolf Security is redefining endpoint security through hardware‑enforced protection built directly into the PC. The Manageability Software Team build the software suite that enables IT administrators and end users to configure, deploy, and operate the HP Wolf Security software suite. We are looki ...

Senior Machine Learning Engineer

Senior Machine Learning Engineer 2 days a week on UK client site, optional London HQ visits. About the Company We’re partnering with a specialist AI and data consultancy that designs and deploys bespoke machine learning systems across sectors such as national security, defence, ...

Senior Systems Engineer Optical Ground System Operations

About Archangel Lightworks At Archangel Lightworks, we are revolutionising global communication with our Optical Ground Stations. By enabling ultra-high bandwidth data transfer for space applications, we are driving the future of high-speed, low‑latency connectivity. Role Overview ...

Senior Backend Engineer (Node.js) London

About the role As a backend development engineer, you’ll be working in an agile team of industry leading engineers to define and develop Tesco’s xAPI (Experience API) that powers Tesco’s various shopping experiences i.e., tesco.com, the mobile shop application, store and other internal facing app ...

Security Engineer

Position Available : Security Engineer (DevSecOps) Location : Oxfordshire Salary : £50,000 - £55,000 Experience needed : Experience building and supporting cloud security solutions within AWS environments, with hands-on e ...

Security Engineer

Position Available : Security Engineer (DevSecOps) Location : Oxfordshire Salary : £50,000 - £55,000 Experience needed : Experience building and supporting cloud security solutions within AWS environments, with hands-on e ...

Solution Architect – SaaS & Azure Services

Customer Solution Architect - CC1 Service Custodia is a UK based company, founded in 2017, with wider presence in North America, Europe and Asia both directly and through strategic partnerships. Our current key offering is the CC1 (Compliance Cloud One) service which records, stores and n ...

Senior IT Infrastructure Engineer

Exciting news from us at Daisy: we’re re‑branding to O2 Business! Following the merger between Virgin Media O2 Business and Daisy Group last year, we’re taking the next step in our journey by announcing our new brand! As O2 Business, we believe in the wonder of simplicity; the joy of that c ...

Principal Solution Architect in Reading, Berkshire

Job Summary We are seeking a highly skilled and experienced Senior Application Architect to join our dynamic team in Reading, UK. The ideal candidate will possess extensive knowledge in Application Architecture and will be responsible for designing and implementing robust application solutions th ...

Dev Team Lead (£80k + benefits)

Great opportunity for a Dev Team Lead to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software around the world. The technology department is mad ...

Technical Architect DevOps & Cloud Platform Lead

An innovative healthcare software company is seeking an experienced Embedded Architect in London. The candidate will focus primarily on architectural design and documentation while managing hands-on technical tasks. Strong DevOps background is essential, with responsibilities including CI/CD implementation, AWS ...

Senior Backend Engineer (Kotlin) — Scale FinTech Systems

A progressive financial technology company in Manchester is looking for Software Engineers to design and build scalable backend systems using Kotlin and AWS. The role emphasizes collaboration, mentorship, and operational ownership within a hybrid work environment. Successful candidates will have strong backend e ...

Remote Senior PHP Developer – Symfony & REST API Expert

A digital agency in London seeks a Senior Developer to create PHP-based projects for exciting brands. Responsibilities include managing development processes, collaborating with team members, and communicating technical concepts to clients. Candidates should have a minimum of 3 years in software development with ...

Risk Software Engineer Full Stack Python & AI Driven Engines

A leading financial services firm in Greater London is seeking a Software Developer to join its Technology department. This role focuses on enhancing Risk Engines and collaborating within a dynamic team. Candidates should have full-stack Python skills, experience with scalable applications, and familiarity with ...

Senior Cloud & Data Solutions Consultant Remote

Datavid Limited is seeking an experienced Senior Software Consultant to join their remote team and lead ambitious data projects globally. The role involves designing cloud solution architectures, managing IT infrastructures, and collaborating with various teams to ensure effective implementations. The ...

Front Office Investment Systems Full Stack Dev

TESTQ Technologies Limited is seeking a Full Stack Developer for their Front Office team in Greater London. The role involves designing and maintaining internal applications that aid clients' investment processes. Candidates should have 6 years of software engineering experience, particularly in finance, with pr ...

Engineering Manager Reference Data & Data Platform

Addepar is looking for an experienced Software Engineering Manager to lead their Reference Data Team in Edinburgh. You will oversee the delivery of high-quality projects using diverse technologies like PySpark, Python, AWS, and Kubernetes. A background in backend engineering and proven leadership experience are ...

Engineering Lead: .NET/Angular on AWS, Hands on

LexisNexis is seeking a Software Engineering Lead in the Greater London area. This role involves leading a high-performing engineering team while maintaining active delivery, focusing on C#/.NET, Angular, and AWS services. The ideal candidate will have over 7 years of experience and will ensure high-qu ...

Senior Cloud & Systems Architect

Onyx-Conseil is looking for an experienced Technical Architect with a strong software engineering foundation and hands-on AWS experience. You will design architecture in complex environments and influence senior stakeholders. The position values diversity and provides support for applicants from all backgroun ...

Senior Test Lead Automation & Accessibility (Flexible)

The BBC is seeking a Senior Tester to lead testing strategies and enhance software quality. You will influence engineering practices as you ensure reliable content is accessible on various platforms. This role requires experience in both manual and automated testing, collaboration with agile teams, and ...

Director of AI/ML & Data Platform Engineering

JPMorgan Chase & Co. is seeking a Director of Software Engineering in Greater London. You will drive technical implementations across various technologies and projects, leading a team to achieve functional objectives and ensuring solution delivery. The ideal candidate will have hands-on experience in s ...

Technical Architect GCP FMCG REMOTE

We're looking for a Technical Architect to lead the next evolution of our pricing and promotions optimization platform for a leading CPG/FMCG brand . This is a critical role within the Product Team, responsible for owning the end‑to‑end architecture of a data‑ and AI‑driven web appli ...

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 ...

Research Scientist, Machine Learning (PhD)

In order to meet the demands of our scale, we approach machine learning challenges from a system engineering standpoint, both pushing the boundaries of scalable computing and tying together numerous complex platforms to build models that leverage trillions of actions, as well as building the best models un ...

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    Fullstack Software Engineer Java React Aws Jobs in United Kingdom Job Search Guide, Trends and Insights