Back End Developer Java Spring Bootpython Jobs in London, UK

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Co Founding Full Stack Developer (Java/ React/ AWS)

Overview Co-Founding Full Stack Developer (Java/ React/ AWS). Join the Revolution of On-Demand Services with Gler. (Backed by Fyaora, the backbone of next-gen platforms). Location: Remote / UK Preferred. Compensation: Equity up to 1,000,000 shares (co-founder level, no salary at initial stage). St ...

Real Time Payments Engineer (Java, Spring, Kafka)

A leading technology firm in Greater London is looking for an experienced Software Engineer to develop innovative solutions in the real-time payment processing sector. The ideal candidate will have expertise in Java, experience with reactive programming using the Spring framework, and be familiar with Agile meth ...

Senior Software Engineer – Cyber (Java, Spring, AWS)

Job Description Location for this position is flexible, we are accepting candidates who are able to work Hybrid in either our Osterley, or Livingston office. We believe in better. And we make it happen. Better content. Better products. And better careers. Working i ...

Java Backend Engineer Spring Boot | Cloud & Microservices

NextWave Consulting Ltd is seeking a Software Engineer in London, UK to build and enhance backend services for a modern Data Fabric platform. The role requires 2-5 years of experience with Java and Spring Boot, and will involve working collaboratively in an agile team. You will be responsible for the design, dev ...

Senior Lead Backend Platform Engineer Java/Spring

A leading financial services firm in London is seeking a Senior Lead Software Engineer to design and maintain backend libraries and frameworks using Java and Spring Boot. The role requires strong collaboration with product engineering teams and a commitment to driving standardization within the development workf ...

Lead Backend Platform Engineer Java & Spring Boot

A global leader in financial services is seeking a Senior Lead Software Engineer to drive backend development efforts using Java and Spring Boot. The ideal candidate will design scalable, reliable libraries and frameworks tailored to product engineering needs, while championing best practices and coaching team m ...

Remote Full Stack Java Engineer | Spring Microservices

A leading software security company is seeking a Java Software Engineer to join their Agile Product team. The role focuses on developing customer-facing features in a collaborative environment, using Java8/11, Spring, and modern cloud platforms. Successful candidates will benefit from flexible working arrangemen ...

Senior Backend Engineer Java & Spring Boot Lead

Aristocrat is seeking a Senior Software Engineer (Backend) to design and build scalable cloud-based services using Java and Spring Boot. In this role, you will collaborate across teams, mentor junior engineers, and ensure high-quality backend systems that drive critical business functions. With 5–8+ years of exp ...

Hybrid Java Architect: Azure, Spring Boot & Microservices

Hexaware Technologies is seeking a highly skilled Java Architect to join their team in London. This role requires expertise in Java (17+), Spring Boot, and Angular, with significant experience in Azure cloud services. The Java Architect will design and implement distributed systems, drive architectural direction ...

Climate Action Java Spring Boot Backend Engineer

The Climate App is looking for a passionate Android app developer to join its team in Greater London. The ideal candidate will have expertise in Java, Spring Boot, and REST, along with a strong drive to combat the climate crisis. The role involves creating an innovative Android application as part of a skilled t ...

Backend Software Engineer Java/Spring, Cloud & DB

A Super Ambitious Startup in Greater London is seeking a Back End Software Engineer. The role involves implementing features that enhance the user experience on the platform, collaborating with teams, and solving technical challenges using Java and Spring frameworks. The ideal candidate will have a strong unders ...

Java/Kotlin Software Engineer Agile, TDD, Spring

Skills and Experience You possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD). Technical Expertise You understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, a ...

Java Backend Engineer Spring Boot & Microservices (Hybrid)

Net2Source (N2S) in London seeks a permanent hybrid role focused on end-to-end development. Candidates must have strong skills in Java, Spring Boot, and Microservices, with responsibilities including application development and database management. The position offers a dynamic Agile environment, ideal for team- ...

Hybrid Java Engineer: Spring, Docker & Cloud DevOps

A leading global technology consultancy is seeking a technical expert for a hybrid role focused on DevOps methodologies and software engineering. The ideal candidate will have extensive Java experience, familiarity with Spring frameworks, and a strong commitment to quality code delivery. You will help deliver pr ...

Java Backend Engineer Spring Boot | Cloud & Microservices

NextWave Consulting Ltd is seeking a Software Engineer to contribute to their Data Fabric platform. The candidate will design and enhance backend services, collaborate within an agile team, and ensure high-quality software delivery. Must have strong experience in Java and Spring Boot, agile development, and fami ...

Senior Backend Engineer: Java, Spring Boot, Kubernetes

A prominent tech consulting firm is seeking a Senior Software Developer to join their dynamic team. You will work on digital solutions that meet GDS standards and be involved in Agile product development. The ideal candidate has extensive knowledge in Java, Docker, and Kubernetes, with experience in leading team ...

Java Software Engineer Hybrid (AWS, Spring Boot)

A leading technology firm in the UK is seeking an experienced Java Software Developer to join their delivery team. You will design, develop, and maintain Java-based applications, build microservices, and support cloud deployments using AWS. Ideal candidates will have 4-10 years of experience with Java and Spring ...

Lead Software Engineer (Java, Spring Boot, Microservices)

Job Level: 10 UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and d ...

Lead Software Engineer (Java, Spring Boot, Microservices)

Job Level: 10UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and d ...

Backend Software Engineer Kotlin Java Spring Boot

Backend Software Engineer / Developer (Kotlin Java Spring Boot) London / WFH to £80kAre you a backend focused technologist with real-time financial systems experience?You could be progressing your career as a Backend Software Engineer at a highly successful financial software house whose ...

Senior Software Engineer (Java, Spring Boot, Microservices)

Job Level: 9UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software syste ...

Senior Software Engineer (Java, Spring Boot, Microservices)

Job Level: 9UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software syste ...

Backend Software Engineer Kotlin Java Spring Boot

Backend Software Engineer / Developer (Kotlin Java Spring Boot) London / WFH to £80kAre you a backend focused technologist with real-time financial systems experience?You could be progressing your career as a Backend Software Engineer at a highly successful financial software house whose ...

Lead Software Engineer (Java, Spring Boot, Microservices)

Job Level: 10UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and d ...

Java Software Engineer (Kafka & Camunda)

We are seeking a skilled and experienced Senior Java Developer to join our dynamic team. The ideal candidate will be an experienced Full‑Stack Developer with a strong background in building dynamic, responsive, and reusable UI components, and skilled in developing enterprise‑grade Case Management lifecycle ...

Backend Engineer

Job Description Is your CV ready If so, and you are confident this is the role for you, make sure to apply asap.Senior Backend Engineer (Security Compliance) - 100% Remote The RoleJoin a high-autonomy team as a senior contractor architecting the next generation of our security compliance ...

Senior Java Developer

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry soluti ...

Senior Java Developer

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry soluti ...

Senior Java Developer

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry soluti ...

SC Java Developer

Job Description If the following job requirements and experience match your skills, please ensure you apply promptly.Software Engineer Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing t ...

Back End Developer (C#, Umbraco) 18 Month Contract

A dynamic digital solutions company in Greater London is seeking a proactive Midweight Back-End Developer to support and maintain their websites. The ideal candidate will have at least 3 years of hands-on experience with C#, Umbraco, and Azure technologies. This role, offering an 18-month fixed-term contract, em ...

Mid Java Developer

Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary – up to £90k + bonus < ...

BE Java Developer

3rd Line Back End Developer Methods Business and Digital Technology Limited Responsibilities Investigate, diagnose, and resolve live system defects and production incidents in line with SLAs. Analyse logs, metrics, and traces to identify root causes of complex te ...

Java Developer Contract

Overview Hybrid – 3 days onsite in London Up to £750 per day (Inside IR35) 12-month contract (strong extension potential) We’re looking for a Senior Java Developer to join a high-performing team building large-scale, cloud-native platforms. You’ll design and develop ...

Java Developer (Cybersecurity)

Some roles are just jobs. Others feel like stepping into something that is quietly shaping the future. This is one of those. A fast growing technology company with a new base in London is building a platform that sits at the intersection of cloud, networking, and security. The details are del ...

Senior Java Developer

Responsibilities Development & Coding: Collaborate with lead and also Lead the development with mid level developers and implementation of scalable and high-performance Java-based applications. (This post will have more than 80% focus on this). Architecting Solutions and design: C ...

Senior Java Developer

Lead Java Developer Rate: Up to £700/day Inside IR35Location: Leeds – 3 Days Onsite Per WeekContract: 12 MonthsClearance: Must be eligible for SC clearance About the Role We’re looking for a Lead Java Developer to join a major natio ...

Senior Java Developer

Etraveli Group is a leading global flight technology provider, specializing in flight sales and offering flight content delivery and fintech products. We are here to solve complexity, by connecting millions of flights and travelers across the globe, from search and selection to trip and beyond. We ...

Senior Java Developer

About Echobox: We are a fast-growing, research-driven company building an artificial intelligence that helps online publishers overcome the challenges they face every day. Using novel AI, we are revolutionising the publishing industry and have a track record of building things that others have ru ...

Java Software Developer

Do you have 1 - 3 years commercial experience developing software with Java? Looking to join a company when you can make a real impact? ...

Java Software Developer

Overview Java Platform Developer Location: On site in Gloucester or Central London 5 days a week. Due to security vetting requirements candidates must be UK nationals or sole British citizens with no dual nationality and resided in the UK 10 years or over. </p ...

Senior Java Developer

About the role The Senior Java Developer is a member of a small, highly focused team, responsible for building services for highly scalable and robust messaging, data acquisition and archiving systems, using leading edge technologies. This is an opportunity to work alongside some of the best Java ...

Sr. Java Developer

# Sr. Java DeveloperDeveloperLondonAugust 20, - 98700 / monthFull TimeApplication ends: **May 12, 2026**Apply Now### Job DescriptionA Sr. Java Developer is responsible for designing, developing, and maintaining high-quality Java applications. They collaborate with cross-functional teams to deliver scalable an ...

Senior Java Developer

Location: UK (Hybrid / Onsite as required) Experience: 5+ years Role Type: Fixed Term Contract Overview We are developing a scalable Data Fabric platform that ingests, transforms, and serves trusted data products across multiple domains. The ...

Senior Java Developer

We are working in collaboration for a client to source a Senior Java Developer. The Java Developer required for a small trading technology firm focused on crypto markets, working directly on exchange connectivity and low latency trading systems. The role is mainly home based with a requirement to w ...

Senior Java Developer

About Client: A FTSE 250 global fintech company headquartered in London with a presence in 18 countries and five continents. Their award-winning products and platforms empower go-getters around the world giving them access to over 19,000 financial markets. Working model: Hybrid ...

Java Microservices Developer

Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia an ...

BE Java Developer

3rd Line Back End Developer Methods Business and Digital Technology Limited Responsibilities Investigate, diagnose, and resolve live system defects and production incidents in line with SLAs. Analyse logs, metrics, and traces to identify root causes of complex te ...

Java & .NET Developer

Job Description As a Software Engineer on the Content Platforms team within Content Technology and Innovation at Sky, you will work in a collaborative, high‑performing delivery team responsible for building and supporting mission‑critical platforms that ensure Sky’s content reaches millions of cu ...

Senior Java Developer

About Synechron Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting‑edge technologies. We are ...

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