526 to 550 of 1,448 Java Jobs in London

Role: Full Stack, Senior Java Engineering Consultant Location: London (Hybrid – 2 to 3 days per week onsite) Salary: £70,000 – £100,000 + Benefits About the Role We're hiring a Senior Java Engineer to join a fast-scaling consultancy that delivers cloud-native, product-led engineering solutions across enterprise and public sector clients. This role sits within a brand … engagements. You’ll be part of a multidisciplinary team that values pragmatism, collaboration, and shipping high-quality code — not red tape. Responsibilities Design and build scalable backend services using Java 21 and Spring Boot Contribute to microservices and event-driven architectures in cloud-native environments (AWS + Kubernetes) Collaborate closely with client teams and product owners to ship meaningful features … Maintain high standards of software quality, observability, and performance Help shape the development practices and culture of a growing London engineering hub Required Skills & Experience 5+ years of commercial Java development experience Strong knowledge of Java 11+ (ideally Java 21) and Spring Boot Hands-on experience with AWS , Docker , Kubernetes , and CI/CD pipelines Familiarity with observability tools such More ❯

Senior Full StackDeveloper Kotlin/Java/React (Hybrid, London) We're working with aninsurtech company thats redefining how consumers experience insurance in the digital age. Their mission is to simplify and personalise the insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences particularly in the automotive and mobility sectors. Responsibilities: Designing and developing … backend services and REST APIs using Kotlin and Java Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL Creating and maintaining AWS Lambda functions and infrastructure using Terraform Collaborating closely with product, design, and domain experts in a fast-moving, agile environment Playing a key role in shaping architecture and tech strategy as the platform scales Qualifications: 6 years … experience with Kotlin/Java, React.js, and TypeScript A solid grasp of SQL and practical experience with PostgreSQL Comfortable working with infrastructure-as-code and DevOps practices in AWS Experience working in agile teams with strong CI/CD and testing culture Strong communication skills you're able to explain complex technical topics clearly to non-technical stakeholders Fluency in More ❯

Backend Software Engineer/Technical Lead (Python Java AWS) London/WFH to £115k Are you a backend focussed Software Engineer with strong Python and Java experience combined with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van drivers and consumers, via job bidding and … within an Agile environment to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll focus on backend Python and Java engineering on AWS but there's a range of other tech in the stack (JavaScript, Vue.js, TypeScript and of course a bit of legacy PHP!), you'll be encouraged to … in the office you can make use of the onsite gym, barista coffee and free breakfast. About you: You're an experienced, backend focused software developer with Python and Java and good knowledge of AWS You're product focussed with good business acumen You have a good understanding of software architecture patterns, database optimisation, infrastructure, scalability and deployment You have More ❯

Backend Software Engineer/Technical Lead (Python Java AWS) London/WFH to £115k Are you a backend focussed Software Engineer with strong Python and Java experience combined with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van drivers and consumers, via job bidding and … within an Agile environment to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll focus on backend Python and Java engineering on AWS but there's a range of other tech in the stack (JavaScript, Vue.js, TypeScript and of course a bit of legacy PHP!), you'll be encouraged to … in the office you can make use of the onsite gym, barista coffee and free breakfast. About you: You're an experienced, backend focused software developer with Python and Java and good knowledge of AWS You're product focussed with good business acumen You have a good understanding of software architecture patterns, database optimisation, infrastructure, scalability and deployment You have More ❯

Technical Lead Developer London £90,000 - £95,000 + Progression + Pension An excellent opportunity awaits an experienced Developer with strong Python and Java experience join an exciting SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, maturing technology business delivering software and AI-driven solutions for industrial sectors. In this role … while working closely with the Software Engineering Manager. This role is fully office-based in London. The ideal candidate is a hands-on Software Engineer with strong experience in Java and Python, confident working with AWS cloud infrastructure including containerisation (Docker/Kubernetes), architecture, and scaling systems. They will have solid skills in building and managing data ingestion and processing … management, and reliability *Mentor and guide the development team while working closely with management *Fully office-based role in London The Person: *Experienced Hands-on Software Developer with strong Java and Python experience *Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes) *Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring Batch) *Looking to lead a More ❯

Technical Lead Developer London £90,000 - £95,000 + Progression + Pension An excellent opportunity awaits an experienced Developer with strong Python and Java experience join an exciting SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, maturing technology business delivering software and AI-driven solutions for industrial sectors. In this role … while working closely with the Software Engineering Manager. This role is fully office-based in London. The ideal candidate is a hands-on Software Engineer with strong experience in Java and Python, confident working with AWS cloud infrastructure including containerisation (Docker/Kubernetes), architecture, and scaling systems. They will have solid skills in building and managing data ingestion and processing … management, and reliability *Mentor and guide the development team while working closely with management *Fully office-based role in London The Person: *Experienced Hands-on Software Developer with strong Java and Python experience *Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes) *Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring Batch) *Looking to lead a More ❯

platform. Why Join? Our client is investing significantly in its technology team, creating a modern, product-driven engineering culture. You'll be working with cutting-edge cloud technologies (AWS, Java Spring Boot, Microservices) in an Agile environment, with opportunities to make a real impact. Your Role: Develop & optimise a high-performance copyright platform using Java & AWS technologies Design & implement complex … of continuous learning Stay ahead of industry trends and introduce innovative solutions What We're Looking For: 5-7 years of hands-on experience in software engineering Expertise in Java, Spring Boot, AWS, Microservices, and databases (DynamoDB, Postgres, OpenSearch) A proven track record in designing and delivering successful software products Strong communication skills - able to translate technical ideas for non More ❯

Build and maintain infrastructure and tooling that ensure smooth, secure system operations. Partner with a cross-functional team to tackle practical challenges. Work across a modern stack including Go, Java, TypeScript/React, and MySQL. Key skills and experience: At least 5 years of hands-on software development, from design through testing and maintenance. Proficiency in at least one mainstream … language (Go, Java, TypeScript). Experience with cloud platforms (AWS, GCP, Azure). Strong analytical thinking, logical reasoning, and affinity for straightforward technical solutions. Excellent communication skills, with ability to speak to audiences on various levels. Background in healthcare or biotech systems preferrable What’s on Offer Potential annual bonus based on company and individual performance. Long-term incentive plan More ❯

Build and maintain infrastructure and tooling that ensure smooth, secure system operations. Partner with a cross-functional team to tackle practical challenges. Work across a modern stack including Go, Java, TypeScript/React, and MySQL. Key skills and experience: At least 5 years of hands-on software development, from design through testing and maintenance. Proficiency in at least one mainstream … language (Go, Java, TypeScript). Experience with cloud platforms (AWS, GCP, Azure). Strong analytical thinking, logical reasoning, and affinity for straightforward technical solutions. Excellent communication skills, with ability to speak to audiences on various levels. Background in healthcare or biotech systems preferrable What’s on Offer Potential annual bonus based on company and individual performance. Long-term incentive plan More ❯

Engineering Manager - Delivery - Tech Lead - Hands on Java - Kafka - CI/CD - Hybrid - £600/£650 (Inside IR35) - Immediate Starters Paying up to £650 Inside IR35 My client is seeking an experienced Engineering Manager to join their team. You will need strong commercial experience in Delivering within Technical teams and helping support on best practises. Responsibilities/What you'll … do: Hands on experience working with the listed tech stack: Java, Spring, Kubernetes, Docker, Postgres (relational databases) and Kafka Experience working on OTT technologies Demonstrated ability to deliver with exceptional engineering practices, having hands on experience with Coding Best practices/standards, TDD, BDD Implementing CI/CD without manual human interventions, fully rolling non disruptive automated production deployments, fully More ❯

record in leading product development and architecting solutions. Demonstrated expertise in scaling and managing production systems. Provides comprehensive technical development support, both broad and detailed. Highly proficient in: Python, Java, Spring, JavaScript, Vue, Elasticsearch, PostgreSQL, cloud computing (AWS, Azure), Terraform, ML, GitHub Actions, Jenkins, and Linux. Responsibilities: Own the technical roadmap, aligning it with the product strategy to achieve key … routines, fostering continuous improvement. Drive the investigation and adoption of new technologies, tools, and processes to enhance product and solution delivery. If you are an highly experienced Full Stack Java Developer and have brilliant experience with Architecture and Roadmaps then Apply More ❯

record in leading product development and architecting solutions. Demonstrated expertise in scaling and managing production systems. Provides comprehensive technical development support, both broad and detailed. Highly proficient in: Python, Java, Spring, JavaScript, Vue, Elasticsearch, PostgreSQL, cloud computing (AWS, Azure), Terraform, ML, GitHub Actions, Jenkins, and Linux. Responsibilities: Own the technical roadmap , aligning it with the product strategy to achieve key … routines , fostering continuous improvement. Drive the investigation and adoption of new technologies, tools, and processes to enhance product and solution delivery. If you are an highly experienced Full Stack Java Developer and have brilliant experience with Architecture and Roadmaps then Apply More ❯

evolution and are constantly looking for components to adopt in order to enhance our platform. What you'll do: Develop across our evolving technology stack - we're using Python, Java, Kubernetes, Apache Spark, Postgres, ArgoCD, Argo Workflow, Seldon, MLFlow and more. We are migrating into AWS cloud and adopting many services that are available in that environment. You will have … complex problems into simple solutions. Strong analytical skills and desire to write clean, correct and efficient code. Sense of ownership, urgency and pride in your work. Experience with Python, Java, Docker, Kubernetes, Argo, Spark and AWS cloud services a plus. Exposure to Machine Learning practices a plus. We strive to create an accessible and inclusive experience for all candidates. If More ❯

and enhance your responsibilities? Are you happy to work "high-side", on-site 5 days/week? And... do you have experience with a few of the following technologies?: Java Kotlin Python Kubernetes AWS JavaScript React Node.js ✅✅✅... let's chat! Salary: £55,000 - £80,000 + benefits. Start dates: Anytime in the coming 6 months Interview process: 2-stage More ❯

and enhance your responsibilities? Are you happy to work "high-side", on-site 5 days/week? And... do you have experience with a few of the following technologies?: Java Kotlin Python Kubernetes AWS JavaScript React Node.js ✅✅✅... let's chat! Salary: £55,000 - £80,000 + benefits. Start dates: Anytime in the coming 6 months Interview process: 2-stage More ❯

on our award-winning trading and surveillance platform, including TT Trade Surveillance , which leverages machine learning to detect trading behavior that may trigger regulatory inquiries. Our tech stack includes Java, Python, Apache Spark (on Serverless EMR), AWS Lambda, DynamoDB, S3, SNS/SQS , and other cloud-native services. As part of a high-impact engineering team, you'll help design … to solve challenging problems at scale in a domain where precision, performance, and reliability are critical. What Will You be Involved With? Design and build scalable, distributed systems using Java , Python , and Apache Spark Develop and optimize Spark jobs on AWS Serverless EMR for processing large-scale time-series datasets Build event-driven and batch processing workflows using Lambda , SNS … and non-technical stakeholders What Will You Bring to the Table? Strong backend software engineering experience, ideally with distributed systems and large-scale data processing Strong programming skills in Java (multithreading, concurrency, performance tuning) Deep experience with Apache Spark and Spark Streaming Proficiency with AWS services , including Lambda, DynamoDB, S3, SNS, SQS, and Serverless EMR Experience with SQL and NoSQL More ❯

as a senior individual contributor, owning architecture and technical strategy across the platform. Design and build scalable, developer-friendly systems—including APIs, data models, integrations, and payment solutions—using Java, Spring Boot, PostgreSQL, Kubernetes, Terraform, and AWS. Lead architecture discussions internally and in client-facing settings, guiding trade-offs between speed, flexibility, and scalability, and championing customer-focused, evidence-based … delivering large-scale engineering systems, with at least 2 years in senior technical leadership roles such as Principal Engineer or Architect. Strong hands-on expertise across the stack, including Java, Spring, Kotlin, PostgreSQL, MongoDB, AWS, and React.js. Proven ability to translate product and business goals into scalable, robust technology solutions while leading agile teams and contributing to strategic roadmaps. Comfortable More ❯

as a senior individual contributor, owning architecture and technical strategy across the platform. Design and build scalable, developer-friendly systems—including APIs, data models, integrations, and payment solutions—using Java, Spring Boot, PostgreSQL, Kubernetes, Terraform, and AWS. Lead architecture discussions internally and in client-facing settings, guiding trade-offs between speed, flexibility, and scalability, and championing customer-focused, evidence-based … delivering large-scale engineering systems, with at least 2 years in senior technical leadership roles such as Principal Engineer or Architect. Strong hands-on expertise across the stack, including Java, Spring, Kotlin, PostgreSQL, MongoDB, AWS, and React.js. Proven ability to translate product and business goals into scalable, robust technology solutions while leading agile teams and contributing to strategic roadmaps. Comfortable More ❯

and development, to ensuring that we deliver a high-quality end product to our clients? We work with a wide range of different technologies including Scala, .Net, C #, Java, Salesforce, SharePoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, Azure DevOps and Octopus. We always use the most suitable, and preferably the latest, technology for each project, giving you the … team Full life cycle of delivery Key Skills/Experience/Qualification Essential +4 years experience in the IT Industry Full-stack or backend technical backgroundwith experience with Scala, Java, .Net or C #. A curiosity to explore new technologies Experience across the full software development lifecycle Ability to code within projects Previous involvement in developing and delivering major IT More ❯

and collaborate with a third-party vendor to deliver robust, scalable solutions. Job Role Requirements Development: Lead the design and development of high-quality, production-grade software solutions using Java, Python, and PySpark. Ensure code is optimized, scalable, and maintainable. Azure Expertise: Leverage Azure services extensively, particularly Azure Storage, for scalable cloud solutions. Ensure seamless integration with AWS S3 and … Airflow to automate and optimize workflows, ensuring efficient and reliable operations. Required 5-7 years of experience in software development with a focus on production-grade code. Proficiency in Java, Python, and PySpark; experience with C++ is a plus. Deep expertise in Azure services, including Azure Storage, and familiarity with AWS S3. Strong understanding of data security, including encryption/ More ❯

and collaborate with a third-party vendor to deliver robust, scalable solutions. Job Role Requirements Development: Lead the design and development of high-quality, production-grade software solutions using Java, Python, and PySpark. Ensure code is optimized, scalable, and maintainable. Azure Expertise: Leverage Azure services extensively, particularly Azure Storage, for scalable cloud solutions. Ensure seamless integration with AWS S3 and … Airflow to automate and optimize workflows, ensuring efficient and reliable operations. Required 5-7 years of experience in software development with a focus on production-grade code. Proficiency in Java, Python, and PySpark; experience with C++ is a plus. Deep expertise in Azure services, including Azure Storage, and familiarity with AWS S3. Strong understanding of data security, including encryption/ More ❯

using modern and widely use technologies and we are looking for motivated people to join our team of interdisciplinary developers. What we currently use We build backend services with Java, Spring Boot, Web Services and Mongo DB We integrate with existing core Java Cargo applications via REST APIs We build frontends with Angular and Ionic framework for mobile apps We More ❯

using modern and widely use technologies and we are looking for motivated people to join our team of interdisciplinary developers. What we currently use We build backend services with Java, Spring Boot, Web Services and Mongo DB We integrate with existing core Java Cargo applications via REST APIs We build frontends with Angular and Ionic framework for mobile apps We More ❯

job responsibilities We are looking for hands-on consultants with: Extensive experience in Full stack app development. Creating Responsive & Reactive UI using Angular/React. Expert level proficiency in Java/C#/GOLang with Full SDLC experience and expertise in AWS managed compute. Familiarity with AWS Storage, SQL, and No SQL databases with awareness of protocols such as gRPC … help you develop into a better-rounded professional. Minimum Requirements: 6+ years of experience in application technologies with 4+ years on any Cloud Platform. Programming Language experience (e.g. C#, Java, Python, Golang, Ruby, etc.) with a fair understanding of OOAD principles. Experience developing Microservices architecture and API Frameworks supporting application development. Experience with DevOps practices and continuous integration tools (e.g. More ❯

on security architecture and best practices What We’re Looking For Experience in product or application security roles Strong development background in Python, C++, Rust, Go, or Kotlin/Java Solid understanding of cloud and hybrid infrastructure security Experience securing both Windows and Linux environments Expertise in threat modeling, risk analysis, and security tooling Excellent communication and leadership skills More ❯