151 to 175 of 228 Java Jobs in London

high-impact programme within a secure environment. This role is ideal for someone with strong backend engineering and data pipeline experience, combined with modern Java-based development skills. You will play a key role in designing, building, and optimising scalable data solutions that support critical business and operational outcomes. … Responsibilities Design, build and maintain scalable data pipelines and data services Develop backend components using Java and Spring Boot Work with Docker to containerise applications and support deployment Collaborate with cross-functional teams to deliver robust data solutions Ensure high data quality, performance, and reliability across systems Support integration ...

Title: Java Engineer - Financial Services Location: London/Burgess Hill Salary/Rate: £290 per day Start Date: 15th July Job Type: Contract - 6 months Company Introduction Aglobally recognised financial services organisation known for delivering premium payment, travel, and financial solutions to millions of customers and businesses worldwide. With … innovation, security, and customer experience, they operate one of the world's most trusted payment networks Job Responsibilities/Objectives 1.Design, develop, and maintain Java-based applications using Java 11 or higher 2.Build and support microservices and event-driven architectures for distributed systems 3.Develop and maintain automated tests as part ...

Title: Java Technical Lead Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Java/DevOps Technical Lead to join their team. Skills Solid Experience in Java development with significant, demonstrable experience … design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence ...

Title: Lead Modernization Engineer Java/Node.js Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java/Node.js to join their team. Skills Solid Experience in Java development … design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence ...

Title: Java/Cloud Technical Lead - London, Wembley Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Java/Cloud Technical Lead to join their team. Skills Solid Experience in Java development … design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence ...

Title: Java Backend Engineer No: of Positions: x4 Location: London Duration of the Assignment: 1 Year Experience required: 10+ Department/Practice: Commercial banking Start Date : 17/07/2026 Day rate: Upto £550 per day - DoE (Inside IR35) Job Purpose and primary objectives: Our client … leading UK-based financial services group who provide a wide range of banking and financial services are looking for a proven and experienced Java Backend Engineers. There is a significant migration and consolidation effort of legacy systems into microservices with the development team taking the lead on the design, build ...

well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

suppliers such as Cubic, Scheidt & Bachmann, or INIT is highly desirable. Back Office Architect: Focus on transaction processing and payment systems, including backend design (Java/.NET/Oracle) and integration with payment acquirers (Visa, Mastercard, Amex). Responsibilities: Develop and maintain end-to-end solution architectures and capability roadmaps. ...

TDH. Experience participating in T24 upgrade and integration projects (including API integrations). Excellent understanding of T24 TAFJ running on MS SQL database. Excellent Java development skills for T24. Solid experience in T24 integration, interfacing and customisation of browser Excellent opportunity to join a great bank for the long term ...

part in shaping architecture, mentoring engineers, and driving best practices across the platform. They’re looking for people with experience in: Kotlin (or strong Java engineers willing to transition) AWS or other major cloud platforms Event-driven & microservices architectures Working in modern, product-driven tech environments Leading teams while remaining ...

Exadata Cloud@Customer experience Oracle ASM administration Oracle Data Guard administration Python development experience Ansible playbook development Git/Stash version control experience Java development knowledge Oracle APEX experience Experience with database automation technologies Understanding of: Server architectures, Enterprise storage platforms, Networking concepts, Firewall technologies Knowledge of ITIL processes ...

/HyperV/Virtualisation) Technologies: MS Server 2019/22, Redhat Linux, AD and Group Policy Management, MS Certificate and KPI, MS SQL, Gigaspace, Java, Network config and Management, WSUS,/UXMS Hardware: Cisco LAN/WAN switches, Dell/Fujitsu/HP Server and user devices, Dell/Fujitsu ...

/HyperV/Virtualisation) Technologies: MS Server 2019/22, Redhat Linux, AD and Group Policy Management, MS Certificate and KPI, MS SQL, Gigaspace, Java, Network config and Management, WSUS,/UXMS Hardware: Cisco LAN/WAN switches, Dell/Fujitsu/HP Server and user devices, Dell/Fujitsu ...

implementation projects, preferably utilising the Microsoft stack; - Ideally experienced in delivery of eCommerce projects, preferably utilising Magento and/or .Net or Java-based basket platforms; - Experience of delivery on online solutions such as eCommerce and/or customer portals with complex integration to line of business systems and payment ...

Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. … Corporate Functions. The team deal directly with business users right across the firm, taking ownership of analysis, design, architecture, and implementation, working primarily with Java, but also with Python, SQL and to a lesser extent, MATLAB. They currently have an opening for a mid-level hire in the team, with ...

Java Engineer – Mobile Platform London based 2 days a week in the office I'm currently supporting a leading Bank in their search for an experienced Java Engineer to join their flagship mobile platform. The system is built in Java on AWS with a strong focus on automation … established team of talented Engineers in a company that have a strong emphasis on upskilling and a knowledge sharing culture. Requirements: • Strong understanding of Java and Microservices • Strong testing experience (TDD) using Junit • Experience dealing with highly scalable systems with high throughput • Good knowledge of AWS Does this sound like ...

Looking to join a company when you can make a real impact? Do you have 3+ years commercial experience developing software with Java & JavaScript? 🚀 Full Stack Engineer – SaaS Solutions 🚀 💰 Salary – up to £55k + bonus 📍 Location – hybrid working 2 days a week in modern London office I am excited … Defense, HM Treasury, and the Departments of Work & Pensions and International Trade. They are looking for a motivated Full Stack Engineer with experience with: Java Spring Boot Microservices JavaScript Frontend frameworks: they use Vue.js but are also open to React and Angular Containerisation using Docker, Kubernetes Developing cloud-native applications ...

number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database We rely on Spring Boot for quick and quality delivery We have a pragmatic approach to develop … fast turnaround with TDD, DDD and continuous integration & delivery What you'll need 5+ years of experience in Backend development, with fluency in Java Bachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering/Science disciplines Quick learner with an ambitious and results driven personality, with ...

Java Software Engineer Join a tier-one global financial institution undergoing a major digital transformation across its capital markets technology estate. You'll play a key role in scaling a mission-critical platform, driving architecture, performance optimisation, automation, and engineering best practice. Strong Java and distributed systems experience required. Exposure ...

/CD and Continuous Deployment pipelines Take operational ownership of services, ensuring reliability and performance in production Essential Skills & Experience Strong experience in Java development, including: Core Java Spring Boot frameworks Proven experience building distributed backend systems Hands-on experience with Kafka (or similar streaming platforms) Experience with Scala ...

Full-Stack Developer (React Native/Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £450-500/day A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into … deliver secure, high-performance products in a collaborative engineering environment. Required experience: 6+ years of full-stack engineering experience Strong React Native experience Strong Java backend development experience Experience building REST APIs and microservices Strong SQL/NoSQL knowledge (Postgres, MongoDB, Redis) Experience with CI/CD and deployment processes ...

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 ...