151 to 175 of 197 Java Jobs in London

test specialist, you will work alongside our business analysts to understand client requirements and define and execute test scenarios. Essential Skills: Performance Testing Cucumber Java JIRA Confluence Desirable Skills: JMeter AWS Tooling UK Location & Post Code: Project expect resources to be in office a minimum of 3 days a week ...

full SDLC and appreciation of front office architecture and design tradeoffs performance resiliency observability controls Technical fluency to engage engineers effectively eg Java awareness and SQL knowhow to support technical walkthroughs data analysis and troubleshooting Skills Mandatory Skills : BFS - Data Analysis, BFS - Generic Randstad Technologies is acting as an Employment ...

Strong integration and architecture documentation skills Experience in either: Front Office: transport ticketing hardware (Cubic, S&B, INIT preferred) Back Office: payments, transaction processing, Java/.NET/Oracle, acquirer integrations Details Duration: 6 months (likely extension) Location: London (50% onsite, Pier Walk) Interview: 2-stage process (remote + formal ...

configuration and control, Layers, Integrated Server, SAF/Context Manager, Database Tables, Perl make. HP nonstop tandem architecture PATHWAY, TACL, Enscribe, C/C++, Java, XPNET/NCPCOM. Experience in: Development, Scripting & Compilations. Transaction monitoring, debugging, inspect and configurations. Strong understanding of : BASE24-eps Configurations (Message Delivery, Prefix, Router, Authorization ...

title : Java and Fidessa Developer - Equities Trading Location : Bromley - Hybrid working Salary : £85,000 - £100,000 + Benefits + Bonus Start date : ASAP Working hours : 40 hours per week We are working with one of the largest global BFSI organisations, operating at scale across international markets, who are looking … experienced Java and Fidessa Developer to support and enhance their front office trading platforms. In this role, the Java and Fidessa Developer will be working in a fast-paced front office environment, supporting equities trading systems and contributing to the stability and performance of business-critical platforms. The Java ...

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 … Infrastructure as Code (Terraform) You have cloud experience with AWS (will also consider Azure) 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 communication skills ...

Java Software Engineer (FTC) Our client is a tier-one global financial institution currently executing a major, multi-year modernisation of its core capital markets infrastructure. This initiative centers on re-architecting a mission-critical workflow engine to scale throughput by an order of magnitude while embedding advanced … intelligent automation. We are onboarding a high-caliber Java Systems Engineer on a Fixed-Term Contract (FTC) to act as a core technical anchor for this transformation. Role Overview Operating within Global Technology & Operations, you will drive the architectural evolution and optimization of a high-throughput enterprise platform. This ...

Integration design patterns Cloud integration architectures Security and governance frameworks Experience with: SOAP REST OData SFTP IDoc JMS Strong knowledge of: Message Mapping XSLT Java Mapping Proven experience leading large-scale integration transformation programmes. Excellent communication, stakeholder management, and leadership skills. If you are interested or would like to know ...

Head of Engineering - Java, Javascript, Cloud, Healthcare Up to £850 per day (Inside IR35) London/Hybrid (3 days onsite) 6 months My client is a high-profile organisation seeking a Head of Engineering to lead a team of Software Engineering Managers, driving the development and transformation of technology products. … This role requires deep technical expertise (Java, Javascript, Azure/GCP) and a proven ability to build high-performing engineering functions in fast-paced, complex environments. You will play a key role in a wider transformation programme, introducing modern engineering practices, improving architecture, and delivering scalable, consumer-facing digital products. ...

Description Head of Engineering - Java, Javascript, Cloud, Healthcare Up to £850 per day (Inside IR35) London/Hybrid (3 days onsite) 6 months My client is a high-profile organisation seeking a Head of Engineering to lead a team of Software Engineering Managers, driving the development and transformation of technology … products. This role requires deep technical expertise (Java, Javascript, Azure/GCP) and a proven ability to build high-performing engineering functions in fast-paced, complex environments. You will play a key role in a wider transformation programme, introducing modern engineering practices, improving architecture, and delivering scalable, consumer-facing digital ...

Graduate Java Developer Location: Central London Salary: Circa £35,000 - £45,000 + Bonus + Benefits Graduate Java Developer required by a highly technical Algorithmic Trading Company based in Central London This is an excellent opportunity to join a small, engineering-led team building trading systems, market data infrastructure … play a hands-on role in the development of trading technology Experience: Degree in Computer Science, Engineering, Mathematics, Physics or similar quantitative discipline Strong Java fundamentals Exposure to Python Understanding of data structures, algorithms, networking fundamentals, OOP and software design patterns Familiarity with Linux/Unix environments Git or similar ...

Graduate Java Developer Location: Central London Salary: Circa £35,000 - £45,000 + Bonus + Benefits Graduate Java Developer required by a highly technical Algorithmic Trading Company based in Central London This is an excellent opportunity to join a small, engineering-led team building trading systems, market data infrastructure … play a hands-on role in the development of trading technology Experience: Degree in Computer Science, Engineering, Mathematics, Physics or similar quantitative discipline Strong Java fundamentals Exposure to Python Understanding of data structures, algorithms, networking fundamentals, OOP and software design patterns Familiarity with Linux/Unix environments Git or similar ...

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 ...

production support across multi country store environments. The role suits a hands on specialist with deep Xstore expertise who can move comfortably between configuration, Java development, integration and live operational support, working with both internal teams and third party vendors. Key responsibilities Implement, configure and customise Oracle Xstore POS across … store rollouts, POS deployments, environment setup and go live validation. Lead and deliver Xstore version upgrades, including codebase migration and file merge across Java classes, XML configuration and custom components. Develop and maintain integrations across OMS, payments, order shipping, customer queue and inventory systems. Manage critical production incidents, severity ...

currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space. What you'll need to succeed : Strong server-side Java Development experience in a lead role working on Risk and Market Data platforms ...

Description I am currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space.What you'll need to succeed: Strong server-side Java Development experience in a lead role working on Risk and Market ...

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 ...

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 ...

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 ...

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 ...

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 ...