301,514+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Data Platform Engineering Lead Hybrid, High Impact

Wise is seeking an Engineering Lead for its Database Reliability Engineering team in the United Kingdom. This role involves leading a high-performing team, supporting high-impact solutions, and collaborating with cross-functional teams. The candidate should have a strong background in development, pref ...

Senior Engineering Lead: Accounting Integrations & Reporting

A global technology company is seeking a Senior Engineering Lead to guide the Business Accounting Integrations and Reporting team. This role involves shaping the technical roadmap, mentoring engineers, and designing efficient integration platforms. Ideal candidates have strong experience in OOP languages such as ...

Senior Real Time Ads Auction Architect

Roku in Cambridge is seeking a leader to build and optimize auction systems that enhance advertising performance. Your role includes designing systems that serve billions of ad opportunities while collaborating closely with engineering and product teams. Ideal candidates will have over 5 years of exper ...

Fixed Income Algorithmic Trader

UBS is seeking a quantitative trader/developer to join their fixed income algorithmic trading team. The successful candidate will work on developing data-driven trading systems focused on government bonds and Interest Rate Swaps. This role emphasizes the design and implementation of trading strategies ...

Platform Engineer: Build Scalable APIs & Services

Caspian One Ltd is seeking experienced engineers for a hands-on platform engineering role in Sheffield, UK. You will design and build scalable Back End systems, contributing to a modern development platform used by many engineers. The ideal candidate has strong coding skills in Java, Node.js, or Python ...

Hybrid T24 Developer for Temenos Migration – London

TrinIT Group is looking for a T24 Developer to join their team in London on a 6-month contract. This hybrid role requires 50% onsite attendance and offers £425 per day. The role focuses on supporting a major Temenos T24 migration and upgrade programme, requiring experience with T24 development and Oracle data ...

Senior Front End Dev (Vue.js) Build Great UIs

Java Script Works is looking for a Senior or Middleweight Front-End Developer focused on Vue.js in Barnstaple, North Devon. Ideal candidates will have several years of experience in front-end development and a strong passion for creating excellent user experiences. This full-time position offers competitive comp ...

Platform Lead Developer – Cloud Native APIs & Microservices

Vodafone is seeking a Platform Lead Developer to design and maintain cloud-native services that support Vodafone’s Digital & IT Platform in Newbury. You will work within cross-functional teams to shape APIs and integrations, driving end-to-end customer experiences. The ideal candidate has over 7 years' ...

Logistics Data Science Lead for Scalable Ops

A leading retail technology firm in the UK seeks a Data Science Leader to guide a team in leveraging data for strategic business solutions. This role involves mentoring Data Scientists and managing complex optimization projects within an innovative environment. Candidates should possess expertise in data science ...

Senior Applied Scientist: ML & Optimization

Job Search Place Limited is looking for a Senior Applied Scientist to join their dynamic team in London, United Kingdom. The ideal candidate should possess a Master's degree along with extensive experience in programming languages like Java, C++, and Python. This role will involve leveraging advanced n ...

Applied Scientist — NLP/LLM for Conversational AI

Amazon.com, Inc in the United Kingdom is seeking an Applied Scientist to enhance Alexa's conversational systems through advanced Natural Language Processing (NLP) and machine learning techniques. The ideal candidate will collaborate with engineers and scientists, driving innovation in product experiences. </p ...

Android Security Researcher: Reverse‑Engineer & PoC Dev

CoreTech Security Services is looking for an Android Security Researcher based in Cheltenham, England. You will conduct advanced research and develop prototypes related to Android security, including reverse engineering and vulnerability analysis. We're seeking individuals with expertise in Android internals, pr ...

Applied Scientist: Ad Matching & Personalization

Amazon Development Centre (London) Limited is seeking an Applied Scientist to optimize ad matching in programmatic advertisements. Responsibilities include designing deep learning models and improving their performance. Candidates should have strong programming skills in Java, C++, or Python along with a rele ...

Lead Solutions Architect: API & E‑commerce, On‑Site London

Adecco is seeking a Solutions Architect based in Wembley to lead the development of high-quality designs for various projects. Responsibilities include vendor governance, data integration leadership, and maintaining technical documentation. The ideal candidate will have a strong background in solution architectu ...

Electrical Improver – Steel Conduit Expert (7 8m Contract)

JAVA RECRUITMENT LIMITED is seeking an Electrical Improver for a temporary role based in Bexhill-on-Sea, East Sussex. The position offers £20 per hour with expected work for 7-8 months. Candidates must have ECS Electricians Improvers or CSCS card and experience with steel conduit. Working hours are fro ...

Netsuite & Salesforce Engineer (Contract) – London

Java Script Works is looking for a Netsuite Developer with experience in Salesforce to join their team in London, UK. Candidates should be proficient in JavaScript and SuiteScript, with strong knowledge of client-side technologies and web services. This contract role offers exposure to competitive compensation a ...

Senior Backend Engineer: AI Driven Pricing & Offers

Expedia, Inc. is seeking an experienced backend developer to join the Offers Domain team. The role requires expertise in building scalable services using Java or Kotlin on cloud platforms, along with strong knowledge of distributed systems and AI/ML applications. The ideal candidate has 8+ years of exp ...

FX Algo Quant Hybrid Analyst for FX Pricing & Risk

Citibank (Switzerland) AG is seeking a Quantitative Analyst in London to enhance FX trading models. The role demands strong programming skills in Python and Java, alongside experience in quantitative analysis. With a hybrid working model, the position offers generous benefits including 27 days of annual leave ...

Principal Technical Lead

Position Description: At CGI, we deliver secure, scalable digital services that support some of the UK’s most important public sector organisations. As a Principal Technical Lead within one of our key UK Government programmes, you’ll provide strategic engineering leadership across multipl ...

Automation Engineer

Overview Automation Engineer – Motion Control & .NET Applications. Are you skilled in Siemens PLC programming for motion control and confident building .NET applications that drive data, interfaces, and connectivity? This unique role combines real-time control engineering with modern software develop ...

.NET Developer Welwyn Garden City

.NET Developer - Software House – Welwyn Garden City (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Do you ...

Flight Control Engineer

Flight Control Software Engineer | £75,000 | Maidenhead Most engineers working in flight control are maintaining someone else's software. This role is different. You'd be joining a small team building UAVs for real-world operational use - and aircraft tuning is currently a gap the ...

.NET Developer

.NET Developer - Software House - Peterborough (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Do you want to work for an internationally recognised brand? Do you want to work ...

Front End Technical Lead

Location: RemoteSalary: £75,000 - £85,000About usAt Arbor, we’re on a mission to transform the way schools work for the better. We believe in a future of work in schools where being challenged doesn’t mean being bur ...

Electrical Maintenance Engineer

Electrical Maintenance Engineer Manchester - Near Salford £58,000 12 hour shifts Pension Healthcare Job description: Electrical Maintenance Engineer Our client a leading manufacturer is looking for an ...

Electrical Engineer

Electrical EngineerJob ID Posted 25-Apr-2025Role type Full-timeAreas of Interest Engineering/MaintenanceLocation(s) Redhill - England - United Kingdom of Great Britain and Northern Ireland Electrical Bias Engineer The successful candidate will be able to install an ...

Customer Support Engineer | UK

Why join Heidi Health? Additional paid day off for your birthday and wellness days A generous personal development budget of $500 per annum Learn from some of the best engineers and creatives, joining a diverse team The rare chance to create a global im ...

Electrical Day Shift Engineer

Electrical Bias Engineer CBRE Global Workplace Solutions is a leading global provider of integrated facilities and corporate real estate management. We are recruiting an Electrical Engineer to join the team located in Borehamwood. The successful candidate will be able to install and maint ...

Electrician in London

Job Title: Electrical Bias Engineer CBRE Global Workplace Solutions is a leading global provider of integrated facilities and corporate real estate management. We are recruiting an Electrical Engineer to join the team located in London. The successful candidate will be able to install and m ...

Senior Python Engineer

Senior Python Engineer – Data Platforms Leading FinTech | Hybrid (London) Full-Time | Competitive Salary + Bonus + Benefits Join a fast-growing FinTech helping global financial institutions unlock more value from complex data. Working with major banks, asset managers, and trading firms, the ...

DevOps Engineer

Catalysing Delivery | Enabling Advantage | Defence, Government and Industry We’re supporting a National Security-focused technology consultancy in the search for a SC‑cleared Cloud Engineer with strong experience automating secure, scalable cloud platforms in highly regulated environments. ...

Security Engineer (iOS/Android)

Your mobile phone. Whether you like it or not, it’s probably your most treasured device. You do everything on it; message your friends, open bank accounts, watch the “big match”… But what is protecting your data and personal details in the apps you’re using? If your answer is “Well I can do that”, t ...

Platform Engineer at Saturnos.com

Job Title Platform Engineer Company Description Saturnos.com - Series A, YC-backed AI fintech Job Description Join a high-caliber engineering team from Cred and Postman building the AI-native operating system for the £100B+ financial advice industry. You will d ...

Contract Data Engineer NLP, LLM

This range is provided by Future Talent Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Overview We are seeking a highly skilled Contract Data Engineer with proven expertise in Natural Language Processing (NLP) a ...

Platform Engineer (Data)

We’re hiring a Platform Engineer to join a growing Technology & Innovation team within a well-established corporate finance business. This role is primarily focused on cloud infrastructure, deployment, and platform reliability , supporting the build-out of a greenfield analytics and ...

SiteMinder infrastructure engineer

Overview We are seeking a technically skilled and proactive engineer to join the support team. This role will focus on the Broadcom SiteMinder component (formerly CA SiteMinder) running on Linux, while also contributing to the broader support and stability of systems including Microsoft Windows Se ...

Network and Security Engineer

Network and Security Engineer Outside IR35 contract opportunity. This role will focus on implementing, testing and documenting a service roll out across a global network. Must be UK Citizen due to role requirements. Key Responsibilities Update and maintain Low‑Level Design ...

Lead Platform Engineer

A fast-growing, tech-driven utilities company is seeking a Lead Platform Engineer to shape their cloud strategy and lead their platform engineering team. The role combines leadership, security, and automation, supporting a cloud-first approach with an emphasis on Azure while maintaining clou ...

Senior Machine Learning Engineer

Overview Grid Dynamics is seeking a Senior Machine Learning Engineer with hands‑on experience with DS and ML algorithms. We're looking for someone with experience in RnD as this person will be a part of our RnD department which is responsible for DS/ML projects. Responsibilities <u ...

Senior Machine Learning Engineer

Senior Machine Learning/ MLOps / Data Engineer London - Hybrid Working DW Search are partnering on a high-impact contract opportunity within a fast-paced, data-driven environment supporting portfolio company initiatives for a major asset management firm. This role sits at the in ...

Platform Operations Engineer

Requirements Commercial experience in an infrastructure operations, DevOps, SRE or platform support role Hands‑on experience operating AWS‑based environments Strong troubleshooting skills across Linux systems, networking, DNS and cloud services Experience parti ...

Growth Lead (£70k–£90k + Equity) at Letly

Job Title: Growth Lead Salary: £70k–£90k + Equity Company Description: Letly - VC-backed AI-native fintech Job Description: As the Founding Head of Growth, you will own customer acquisition end-to-end for an AI-native fintech reimagining rental operat ...

Site Reliability Engineer

A leading financial services company located in Central London is seeking a Site Reliability Engineer to join their growing Infrastructure team on a permanent basis with Hybrid working. Responsibilities: Expand and fortify the IT architecture for optimal availability. </ ...

SRE: Cloud Infra, Kubernetes & Automation

A leading financial services company located in Central London is seeking a Site Reliability Engineer to join their growing Infrastructure team on a permanent basis with Hybrid working. Responsibilities: Expand and fortify the IT architecture for optimal availability. </ ...

AI Security Engineer

Job Title AI security Engineer Location Knutsford (3x a week) Salary/Rate £620 daily Start Date 01/07/2026 Job Type Initial 6 month contract inside IR35 Role Description As an experienced security professional, your ex ...

Senior AI Engineer

We are partnering with an established organisation currently investing significantly in its AI and generative search capabilities. They are looking to appoint a Senior AI Engineer to play a key role in designing and delivering production-grade AI systems focused on accuracy, scalability, and real-world imp ...

Technical Lead

Hands on Technical Lead - £90,000 - £110,000 Hands on Technical Lead - would you like the opportunity to work with one of the leading fin-tech with a presence across the UK and Europe? The Company A market leading fin-tech with a presence across UK and Europe. With a distributed t ...

Full Stack Engineer (£75k £110k + Equity) at Letty

Job Title Full-Stack Engineer Salary £75k-£110k + Equity Company Description Letty is a high-growth London startup, backed by Entrepreneurs First and top-tier VCs, building the definitive AI agent layer for the $1T+ real estate industry by replacing manual work ...

Network Cisco Specialist (3rd Line)

Hybrid working, London 2/3 times per week. Salary up to 90k. My client is looking for a skilled Cisco networking professional to join thier expanding team, acting as the highest technical escalation point for complex network and security issues across our managed customer base ...

Senior Site Reliability Engineer

Role: Senior Site Reliability EngineerLocation: Bristol (Hybrid; 3 days per week onsite)Salary: £60,000 to £90,000 per annum (Dependent on Experience)Clearance: Must hold active SC or DV clearance, or be fully eligible to undergo the vetting process Th ...

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