926 to 950 of 1,427 Java Jobs in London

Lead Backend Software Engineer/Developer (Java AWS) London/WFH to £115k Are you a hands-on Backend Software Engineer with team leadership skills? You could be progressing your career in a Lead Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. As a … engineers and ensure code quality, observability, scalability and security are embedded into high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days … including roof terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributed systems using Java and Spring Boot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative and pragmatic with great communication More ❯

Full Stack Software Engineer Mostly remote 1 day onsite in London every fortnight Full Stack Software Engineer Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK Government and National Security organisations. Their teams tackle complex operational challenges through innovative software design … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Strong understanding of Agile/DevOps principles Software … Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯

Stack Software Engineer Up to £70,000 DOE + Benefits Mostly remote – 1 day onsite in London every fortnight Must be eligible for SC Clearance Full Stack Software Engineer – Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Knowledge of CI/CD, GitLab, or equivalent … you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Software Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯

Stack Software Engineer Up to £70,000 DOE + Benefits Mostly remote – 1 day onsite in London every fortnight Must be eligible for SC Clearance Full Stack Software Engineer – Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Knowledge of CI/CD, GitLab, or equivalent … you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Software Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯

Stack Software Engineer Up to £70,000 DOE + Benefits Mostly remote – 1 day onsite in London every fortnight Must be eligible for SC Clearance Full Stack Software Engineer – Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Knowledge of CI/CD, GitLab, or equivalent … you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Software Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯

Stack Software Engineer Up to £70,000 DOE + Benefits Mostly remote – 1 day onsite in London every fortnight Must be eligible for SC Clearance Full Stack Software Engineer – Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Knowledge of CI/CD, GitLab, or equivalent … you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Software Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯

meet the team' will be held via Teams on Wednesday 12th of November at 12:30pm. Follow the application link for booking instructions. HMLR's Core Tech Stack Languages: Java and Python (with some legacy Delphi). Frameworks: Spring Boot, Flask, Django. Cloud & Hosting: AWS and OpenShift (container-based environments). Containers & DevOps: Docker, Kubernetes, CI/CD pipelines (Jenkins … engineering practices and contribute ideas for improvement. Essential Skills Experience of the full software development lifecycle, from design through to delivery. Proficiency in at least one programming language i.e Java or Python Experience working with APIs, relational databases, and version control systems (e.g., Git). Understanding of agile delivery and collaborative software development. Ability to write clear, readable and maintainable More ❯

new ideas to the table for adoption throughout HL Digital. Driving technical decisions and shaping how we build our services. About You Solid experience building and deploying services with Java and Spring Boot. Comfort working in a cloud-native environment - Kubernetes (EKS), containers, scaling etc. An interest in observability, using tools like Prometheus and Grafana to keep services healthy and … review, share knowledge and mentor engineers within the team. Adaptable, thriving in a fast-moving environment where we ship things quickly and always look to evolve. Your Technical Toolkit Java (21) and Spring Boot AWS and cloud-native architecture RDBMS/NoSQL databases Event-driven and microservices architectures Containers (e.g., Docker, Kubernetes) CI/CD pipelines and DevOps principles TDD More ❯

or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable … help engineers thrive. Energised by fast paced, regulated environments where we ship at speed, embrace change, and never stop evolving. Your Technical Toolkit React/React Native/TypeScript Java (21) and Spring Boot/JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s More ❯

Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. Opus have … partnered with a VC Backed Fintech start-up who are looking to grow their London office. They are growing quickly so are looking for Java Developers of all levels from Mid – Tech Lead to join the team. They are currently about 100 people strong and looking to double this within the next 12 months. As a Developer you will be … building and maintaining high performing back end systems. The sort of projects you will be involved in is building API’s , developing microservices and upgrading existing systems. Experience needed – Java 21 TDD AWS They’re also looking for people who have worked within a fast paced Startup/scaleup company. What is in it for you? Hybrid working More ❯

Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. Opus have … partnered with a VC Backed Fintech start-up who are looking to grow their London office. They are growing quickly so are looking for Java Developers of all levels from Mid – Tech Lead to join the team. They are currently about 100 people strong and looking to double this within the next 12 months. As a Developer you will be … building and maintaining high performing back end systems. The sort of projects you will be involved in is building API’s , developing microservices and upgrading existing systems. Experience needed – Java 21 TDD AWS They’re also looking for people who have worked within a fast paced Startup/scaleup company. What is in it for you? Hybrid working More ❯

Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2024 totaled $13.8 billion. Preferred/Desired Skills Java coding, cloud computing preferable AWS, Kubernetes, Kafka and Terraform experience and knowledge Job Description: Building microservices in Java, ideally with a broad experience of frameworks, including asynchronous frameworks like Project More ❯

Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2024 totaled $13.8 billion. Preferred/Desired Skills Java coding, cloud computing preferable AWS, Kubernetes, Kafka and Terraform experience and knowledge Job Description: Building microservices in Java, ideally with a broad experience of frameworks, including asynchronous frameworks like Project More ❯

Chicago. We pride ourselves on a diverse, friendly, dynamic culture - with a focus on internal promotion and developing our people. Scope of Role ITRS Group is looking for Senior Java Engineer in London. Reporting to our Engineering Manager, you will sit in the Platform Team and form part of a wider global Engineering Team. The Core Platform layer is a … in anticipation of wider customer adoption through 2025. Our role offers a permanent, full-time position working from our London office on a hybrid work schedule. As a Senior Java Software Engineer, you will: Participate in all phases of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support. Participate in mentoring relationships - both giving and receiving … ongoing personal growth. There will always be opportunities requiring it. We have an ambitious L&D policy to support your learning and growth Requirements You are predominantly a backend Java developer with at least 7 years of experience building complex distributed systems. You have built applications from the ground-up with a deep understanding of core Java, data structures and More ❯

Java Software Engineer An ambitious AI company on a mission to reshape how businesses harness the power of data and automation are seeking Java Developers who thrive in modern, cloud-native environments and want to make real impact. Design and develop high-performance microservices using Spring Boot Build scalable, cloud-based applications on AWS Collaborate with AI engineers, data scientists … product teams to deliver intelligent solutions Contribute to system architecture, CI/CD pipelines, and code reviews Bring fresh ideas to a fast-moving, innovative environment Strong experience with Java (11+) and Spring Boot Proven track record building and deploying Microservices Solid understanding of AWS services (ECS, Lambda, S3, etc.) Enthusiastic about AI, data-driven development, and continuous learning Be More ❯

ecosystems. Ability to lead client engagements, translate business requirements into technical solutions, and guide implementation teams Experience with Confluent Cloud, Stream Governance, Data Lineage, and RBAC Strong proficiency in Java, Python, or Scala Proven ability to integrate Kafka with enterprise systems (databases, APIs, microservices) Hands-on experience with cloud platforms (AWS, GCP, Azure) and Kubernetes Experience with other Kafka platforms More ❯

Full Stack Developer (Java & React) Location: London (Hybrid, 2-3 days per week on site) Salary: Up to £55,000 + bonus + benefits We're working with a leading digital consultancy who are looking to expand their delivery team with a Full Stack Developer skilled in Java and Spring . This role offers the opportunity to work on innovative … alongside technical leads, architects, and project managers, you'll deliver scalable, high-quality solutions that drive real impact for clients. Key Responsibilities Develop and maintain full stack applications using Java and Spring on the back end. Build modern, responsive interfaces using React, Next.js, or similar frameworks. Collaborate with cross-functional teams to translate business needs into technical solutions. Ensure performance … to release management, DevOps processes, and documentation. Explore opportunities for AI integration within digital solutions. About You 2+ years' experience as a Full Stack Developer or similar. Proficient in Java and Spring for Back End development. Experience with React , Next.js , or React Native . Strong understanding of APIs , microservices , and modern UI principles. Familiarity with version control tools such as More ❯

NEW CONTRACT ROLE - Front Office Senior Java Developer - Rates Pricing London-Based Candidates Only | 6-Month Contract (with potential for extension or perm) | Up to £900/day Inside IR35| Hybrid (2-3 Days On-Site) THE OPPORTUNITY We are working on behalf of a banking client to find a highly experienced Front Office Senior Java Developer to join their … Rates Pricing team on the trading floor. This is a niche, high-impact role for a strong Java engineer with low-latency trading systems experience and a deep understanding of front office environments, particularly in pricing, booking, and analytics for Rates, Credit, FX, and Equities. You will be working directly with the trading desk to enhance pricing and trade capture … lifecycle management. Work on complex quantitative and analytics problems in real-time systems. Contribute to the design and architecture of scalable, resilient systems. TECHNICAL STACK/REQUIREMENTS Expert-level Java (core + multi-threading). Proven ability to work with or cross-train into C++/C# (dual-enabled is ideal). Strong exposure to front office environments - you must More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one’s for you … What you’ll do: 💻 Develop and maintain scalable, data-driven applications in Java 🛠️ Lead on requirements, design workshops, and solutioning 🤝 Mentor junior engineers and share best practices ☁️ Implement & optimise microservices and distributed systems on GCP (GKE, PubSub, BigQuery, Dataflow) using Docker & Kubernetes 🔄 Build and manage efficient data pipelines with streaming tech + relational/NoSQL databases ✅ Ensure high quality through … integration, and non-functional testing ⚡ Contribute to CI/CD practices with Jenkins and Git 🕵️ Troubleshoot, propose improvements, and stay ahead of emerging technologies 💡 What you’ll bring: 🔑 Strong Java & OOP experience 📊 Background in data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one’s for you … What you’ll do: 💻 Develop and maintain scalable, data-driven applications in Java 🛠️ Lead on requirements, design workshops, and solutioning 🤝 Mentor junior engineers and share best practices ☁️ Implement & optimise microservices and distributed systems on GCP (GKE, PubSub, BigQuery, Dataflow) using Docker & Kubernetes 🔄 Build and manage efficient data pipelines with streaming tech + relational/NoSQL databases ✅ Ensure high quality through … integration, and non-functional testing ⚡ Contribute to CI/CD practices with Jenkins and Git 🕵️ Troubleshoot, propose improvements, and stay ahead of emerging technologies 💡 What you’ll bring: 🔑 Strong Java & OOP experience 📊 Background in data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one’s for you … What you’ll do: 💻 Develop and maintain scalable, data-driven applications in Java 🛠️ Lead on requirements, design workshops, and solutioning 🤝 Mentor junior engineers and share best practices ☁️ Implement & optimise microservices and distributed systems on GCP (GKE, PubSub, BigQuery, Dataflow) using Docker & Kubernetes 🔄 Build and manage efficient data pipelines with streaming tech + relational/NoSQL databases ✅ Ensure high quality through … integration, and non-functional testing ⚡ Contribute to CI/CD practices with Jenkins and Git 🕵️ Troubleshoot, propose improvements, and stay ahead of emerging technologies 💡 What you’ll bring: 🔑 Strong Java & OOP experience 📊 Background in data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one’s for you … What you’ll do: 💻 Develop and maintain scalable, data-driven applications in Java 🛠️ Lead on requirements, design workshops, and solutioning 🤝 Mentor junior engineers and share best practices ☁️ Implement & optimise microservices and distributed systems on GCP (GKE, PubSub, BigQuery, Dataflow) using Docker & Kubernetes 🔄 Build and manage efficient data pipelines with streaming tech + relational/NoSQL databases ✅ Ensure high quality through … integration, and non-functional testing ⚡ Contribute to CI/CD practices with Jenkins and Git 🕵️ Troubleshoot, propose improvements, and stay ahead of emerging technologies 💡 What you’ll bring: 🔑 Strong Java & OOP experience 📊 Background in data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes More ❯

Java/Kotlin Engineer A fast-growing Fintech company based in London, are on the lookout for talented Kotlin Engineers to join their high-impact engineering team. You don t need to be a Kotlin expert yet if you ve worked in any JVM language (Java, Scala, Clojure, etc.) and are keen to learn Kotlin, we d love to hear … closely with product managers, data engineers, and designers to deliver customer-focused financial solutions. Contribute to architectural discussions and help shape our platform as we scale. Strong experience with Java, Scala, Kotlin, or another JVM language. Solid understanding of modern software engineering principles from CI/CD to cloud-native development (AWS, GCP, or Azure). Hybrid working (2 days More ❯

of the SDLC Experience in ESRI ArcGIS suite of products OpenGIS Required Technical Skill Set: PNI, Core SW4, SW5, EO, GDO, GTO, GSS, GSA, DM, MES, NRM, K8, Magik, Java, SWMFS DBA, VMDS, SQL, Oracle; Customer Specific Customisation plus local regulatory & third-party products Responsibilities/Expectations from the Role Analysis, Design, Coding, Implementation & Testing Documentation of entire process and More ❯

key member of a team working on distributed systems Mentoring jr engineers Skills: 3+ years experience with Kotlin A passion for the highest quality code Knowledge of low latency java is a huge plus (or at least an interest in working with it) Extensive cloud experience is a plus Financial Services experience is essential More ❯