151 to 175 of 200 Java Jobs in London

Active Security Clearance (SC), and with proven team lead experience to join a business-critical programme. Key Requirements: Proven experience working as a Lead Java Developer within the public sector Demonstrable team lead/leadership experience - ability to guide developers, support technical decision making, and ensure delivery standards Active Security … Clearance (SC) Expertise in a range of technologies, including Java 8 and 17+, Spring/Spring Boot, React/HTML AWS Cloud Services experience Working experience with MySQL Nice to have: Technical hands-on experience with Terraform, Kibana, Apache Camel Linux in a containerised environment Immediate availability ...

Skills Experience: Solution Architecture with a clear focus on E-commerce platforms or API/Middleware ecosystems. Technical Stack: Expert-level knowledge of Node.js, Java (Spring Boot), and PostgreSQL - able to read and critique vendor code, not just high-level diagrams. Integration Expert: Deep proficiency in API management patterns, Webhook ...

channels. Integrate quantitative models and new market data feeds into the pricing platform. Produce detailed technical designs aligned to solution architecture. Implement high‐quality Java server‐side components, applying industry‐standard development patterns. Build simulation and back‐testing environments; investigate regression issues where required. Conduct automated unit, integration, and performance … cyber vulnerabilities, contributing to strong risk and control governance. Participate in intraday or overnight support rota when required. Required Technical Skills Strong server‐side Java development experience, including multithreading. Experience building global, distributed systems in a real‐time trading environment (24x5.5). Proven experience developing Rates or FX pricing systems ...

annum ***CANDIDATES MUST BE UK NATIONALS AND ELIGIBLE FOR SC CLEARANCE*** Role Overview We are seeking an experienced Application Developer with strong expertise in Java and Web Technologies to design, develop, and support enterprise-grade applications. The role involves working across the full software development lifecycle, building scalable solutions using … Java/JEE stack, and contributing to modern, secure, and high-performing systems. You will play a key role in developing clean, reusable code, supporting live services, and mentoring junior team members while following modern engineering standards and DevOps practices. Key Responsibilities Application Development & Engineering Design, develop, and maintain applications ...

Solution Architect (Java, Spring Boot, Microservices) Location: Wembley, On-site Salary: Up to £85,000 + benefits 1 stage interview (ASAP) We're looking for an experienced Solution Architect to join a high-performing technology team delivering complex, enterprise-scale platforms. This role is ideal for someone who thrives … Experience: 5+ years in Solution Architecture Strong background in e-commerce platforms or API/middleware environments Technical Expertise: Strong knowledge of Node.js, Java (Spring Boot), and PostgreSQL Ability to review and critique code as well as architectural designs Integration & Architecture: Strong experience with API-led architecture, webhooks, and event ...

client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London. Client Details Our client is in the Insurance sector and is looking to grow their team with a Java … Solution Architect. This is a hybrid role with 1-2 days a week in London. Description Design and develop scalable and efficient Java-based solutions to address complex business challenges. Collaborate with cross-functional teams to understand technical requirements and translate them into practical solutions. Provide architectural guidance and ensure ...

subject matter expertise on the .Net stack and contributing to technical design discussions. You'll use a range of technology including Apache Flink with Java for large scale data processing and will be able to assess and recommend new and emerging technologies, using the best tool for the job. Location … understanding of CI/CD and Infrastructure as Code (Terraform) You have cloud experience with AWS You're familiar with other languages such as Java and are open to learn new things You're comfortable with using agentic AI and tools to help improve productivity You're collaborative with great ...

Insurance, Regular social events What You ll Work On The environment is primarily Node.js and Go but strong engineers from .NET/C# or Java backgrounds are encouraged to apply. Integrating with payment platforms, banking infrastructure, FX/crypto providers, and card processors Designing and optimising SQL and NoSQL data … testing through to deployment, monitoring, and production support Experience Required Degree educated Development experience in either Node.js with JavaScript & Typescript, .NET, C# or Java AWS experience preferred (Azure, GCP also welcomed) Strong understanding of relational databases, ideally MySQL Interest in agentic engineering workflows and AI-assisted development Experience designing APIs ...

Insurance, Regular social events What You’ll Work On The environment is primarily Node.js and Go but strong engineers from .NET/C# or Java backgrounds are encouraged to apply. Integrating with payment platforms, banking infrastructure, FX/crypto providers, and card processors Designing and optimising SQL and NoSQL data … testing through to deployment, monitoring, and production support Experience Required Degree educated Development experience in either Node.js with JavaScript & Typescript, .NET, C# or Java AWS experience preferred (Azure, GCP also welcomed) Strong understanding of relational databases, ideally MySQL Interest in agentic engineering workflows and AI-assisted development Experience designing APIs ...

Insurance, Regular social events What You ll Work On The environment is primarily Node.js and Go but strong engineers from .NET/C# or Java backgrounds are encouraged to apply. Integrating with payment platforms, banking infrastructure, FX/crypto providers, and card processors Driving architectural decisions across distributed systems … testing through to deployment, monitoring, and production support Experience Required Degree educated Development experience in either Node.js with JavaScript & Typescript, .NET, C# or Java AWS experience preferred (Azure, GCP also welcomed) Strong understanding of relational databases, ideally MySQL Interest in agentic engineering workflows and AI-assisted development Experience designing APIs ...

Insurance, Regular social events What You’ll Work On The environment is primarily Node.js and Go but strong engineers from .NET/C# or Java backgrounds are encouraged to apply. Integrating with payment platforms, banking infrastructure, FX/crypto providers, and card processors Driving architectural decisions across distributed systems … testing through to deployment, monitoring, and production support Experience Required Degree educated Development experience in either Node.js with JavaScript & Typescript, .NET, C# or Java AWS experience preferred (Azure, GCP also welcomed) Strong understanding of relational databases, ideally MySQL Interest in agentic engineering workflows and AI-assisted development Experience designing APIs ...

Java Data Engineer 6-Month Contract (Possible Extension) Inside IR35 Hybrid London (3 days) I have been engaged my client to bring in a Java Data engineer to work on a Big Data Project in the finance sector. Required Experience: Java Big Data experience On-premises cluster experience Databases Kubernetes ...

technical designs aligned with broader architectural standards. Work effectively alongside external and internal technical teams as required. Develop high‐quality, low‐latency server‐side Java components using industry‐standard patterns. Apply continuous integration practices and automated testing (unit, integration). Conduct comprehensive testing prior to release into UAT. Assist with … intraday and overnight support rotations when required. Contribute to the evolution of pricing, distribution, and algorithmic trading components. Skills Required Strong server‐side Java experience, including demonstrable multithreaded development skills. Experience building highly available, distributed systems. Proven experience in tuning and developing low‐latency applications. Hands‐on experience with electronic ...

Java Engineer Salary to £ 50 k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you have resided in the UK for the past 5 years and are prepared to go through UK SC Security Clearance This company ...

Java Engineer Salary to £50k + Company Options Scheme Fully remote working available for the right candidate (hybrid working between your home, their offices (London Vauxhall) & client sites would be preferred but isnt essential). NB: Please only apply if you have resided in the UK for the past ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should ...

transformation initiatives Your responsibilities: Design, develop, and maintain HCL Commerce/WebSphere Commerce Suite components and extensions. Build and enhance Back End services using Java, J2EE, Spring/Spring Boot, and REST APIs Ensure solutions meet scalability, performance, availability, and security standards Diagnose and resolve complex issues across application, integration … rollbacks Your Profile Essential skills/knowledge/experience: Strong hands - on experience with HCL Commerce/IBM WebSphere Commerce architecture Proficiency in Java, J2EE, Graph and RESTful APIs Experience with Spring/Spring Boot and Back End service development Solid understanding of relational databases especially Oracle Experience and knowledge ...

support partner integrations alongside Product managers and embark on new and thrilling projects that expand our network of global partnerships. With expertise in Java, Spring Boot, Kafka, and PostgreSQL you'll design and implement highly available, resilient services to support our partner ecosystem's rapid growth. Collaborate with talented Engineering … support seamless payments, and manage foreign exchange (FX) risk at scale. What will you be doing? Design, develop, and maintain highly scalable services in Java and Spring Boot within a microservices architecture. Apply domain-driven design to build robust, scalable solutions. Lead development efforts in event-driven architectures using Kafka ...

staff. Role Assist in the design, development, and testing of software applications and internal tools Write clean, well-documented code across languages including Python, Java/C#, HTML, CSS, and JavaScript Support the Data Ops team in managing version control, code reviews, and collaborative development using Git and GitHub Contribute … software development projects. QA’s Junior Developer Level 3 apprenticeship programme enables the apprentice to: Explore a wide range of skills including Python, C#, Java, SQL, HTML, CSS, JavaScript, Git, Microservices and cloud Interpret simple design requirements for discrete components of a project under supervision Implement code which other team ...

Java Data Engineer 6-Month Contract (Possible Extension) Inside IR35 Hybrid London (3 days) I have been engaged my client to bring in a Java Data engineer to work on a Big Data Project in the finance sector. Required Experience: Java Big Data experience On-premises cluster experience Databases Kubernetes ...

streaming Proficiency in at least one systems‐level language such as C++, Go, or Rust, and one scripting or application language such as Python, Java, or TypeScript Experience with OpenTelemetry SDKs, collectors, and schema conventions for instrumentation and telemetry export Familiarity with SLI/SLO concepts, especially for latency‐sensitive … Real‐Time data from the edge Work with squads to integrate observability instrumentation into applications throughout Dev, Test, PPE, and Prod environments Technologies: Cloud Java Kubernetes OpenTelemetry Python Rust TypeScript DevOps More: We are a global investment banking organization seeking an experienced Observability and Performance Engineer to work within ...

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared ...

contract role involves developing low-latency components within an electronic trading platform. Responsibilities include working with stakeholders to design and implement systems, coding in Java, and supporting algorithmic trading strategies. The ideal candidate will have robust server-side Java skills, proven experience in low-latency applications, and knowledge of electronic ...

Java Engineer(s) - Multiple Levels Salary from £40k (Mid) to £90k (Snr) + Company Options Scheme Fully remote working available for the right candidates (hybrid working between your home, their offices (London Vauxhall) & client sites would be preferred but isnt essential). NB: Please only apply if you have resided ...

environments. We need a strong track record of leading Engineering Managers and building high‐performing teams. We require a hands‐on technical background across Java, JavaScript, and cloud platforms such as Azure or GCP, including distributed systems. We need experience working in fast‐paced, modern engineering environments. We require expertise … complex environment. We will partner with stakeholders across the business to simplify technical challenges and support transformation. Technologies Azure Backend Cloud Frontend GCP Support Java JavaScript More We are a high‐profile organisation hiring a Head of Engineering for a 6‐month contract based in London with a hybrid working ...