276 to 300 of 360 Java Jobs in London

Senior Java Developer (Contract) - Investment Bank - Central London Contract Length: 6 months Location: Central London (1 day per week onsite) Interview Process: 2 stages Overview We're working with a leading investment bank in Central London seeking a Senior Java Developer to join a front-office aligned team. This role … Strong experience with FX Options Background in Regulatory Compliance Front office exposure preferred (mid/back office acceptable if strong domain alignment) Technical Skills: Java (10+ years core development) Experience with low-latency/high-performance systems Kubernetes/OpenShift Cassandra and Oracle Hazelcast Nice to Have: Frontend experience with ...

modern cloud platforms. The ideal candidate will lead teams in developing and implementing technology strategies, engage with stakeholders, and possess a strong background in Java development and cloud services. This role requires significant experience in technology leadership and fostering collaboration across diverse teams, aiming for innovation and continuous improvement ...

Engineering Manager/Technical Lead (Java) sought by leading financial services boutique based in the city of London. * Extensive experience in Java development, with a strong focus on leading and mentoring teams * Proven ability to manage offshore and geographically distributed teams effectively * Solid background in full-stack development and platform ...

Cleared Java Consultants (Senior Software Developers/Java Architects) with good experience of Camunda BPM (ideally to v8 but v7 considered), are required by my consultancy client. To be considered, you must hold SC Clearance and be either a senior/lead Java Software Engineer or a Java Technical Architect ...

Looking for a Senior Java Developer that has worked with Kotlin. The ideal candidate should be passionate about clean code and scalable solutions. This opportunity will allow you to design robust Microservices Architecture, within an automated data-heavy environment. This will be an initial 6 month contract with possible extensions … OUTSIDE IR35) Remote with occacional trips to London (1 day per month) Required Skills Java, Spring, Spring Boot Experience working with DevOps methodologies and scalable CI/CD pipelines Microservices Architecture Exposure to Big Data technologies such as: Kafka, Spark, Hadoop etc Strong understanding of clean code principles Experience working ...

Role: Java Backend Developer with Data Platform Type: 6 Months Contract Location: London, UK (Fully REMOTE) Working Model: Fully REMOTE Payrate: £450 - £550 per Day on PAYE £530 - £630 per Day on RUPAYE £650 - £750 per Day on Inside IR35 via Umbrella The Role: Join our Data Infrastructure team … looking for an execution-focused engineer who can jump into existing codebases, work autonomously, and ship high-quality code reliably. Essential Skills: Strong Java , Python , Go , and GCP experience. Ability to move quickly in ambiguous environments without waiting for direction. Bonus Points: Experience with JVM-based frameworks ( Flink , Beam , Dataflow ...

strategies are resilient, auditable, and suitable for a financial services control environment Create and oversee build and delivery pipelines supporting applications written in Java, C# .NET, JavaScript (React JS), Python Ensure pipelines are production-grade, observable, and aligned to operational and audit expectations Cloud & Containerised Application Enablement Provide expertise … Experience Extensive experience designing and delivering enterprise-scale CI/CD solutions, with GitLab experience essential Strong hands-on experience supporting build pipelines for Java, C#, JavaScript, and Python Proven experience building reusable CI/CD frameworks supporting multiple teams and products Cloud & Containerisation Strong experience with cloud platforms ...

Senior Java Engineer/SRE London (Hybrid) The company A well-established global fintech business operating large-scale trading platforms across multiple asset classes including equities, leveraged products, futures, options, and digital assets. Their technology supports a significant international client base and processes high volumes of real-time trading activity … incident reviews Improve event-driven and messaging systems for resilience and throughput Drive infrastructure automation and engineering best practices What you will need Strong Java development experience in production environments Good understanding of JVM performance tuning and backend optimisation Experience with distributed systems and troubleshooting at scale Hands-on knowledge ...

Apache Kafka, Apache Flink, Spark, or similar platforms. Experience building scalable cloud-based services, ideally within AWS environments and modern backend technologies such as Java/Spring Boot or TypeScript. Ability to lead technical decision-making and influence engineering direction across teams. Strong communication and collaboration skills, with experience mentoring … real-time streaming and ingestion platforms, our Principal Engineers collaborate across multiple teams and engineering domains. Technologies currently used across our teams include: Java/Spring Boot and TypeScript/JavaScript AWS services including MSK, Lambda, ECS, S3, DynamoDB, Redshift, and SQS Apache Kafka, Apache Flink, Airflow, Spark, and EventBridge ...

Exclusive Search - Leading Global Investment Bank Are you a high-performance Java engineer with FX experience? My client, a top-tier global financial institution, is expanding its E-Trading FX Options Strategy team and is seeking a Vice President - Java FX Strategist to help drive one of the bank … Office Trading & Sales teams Contribute to the roadmap for scaling a 24/5.5 global FX platform Skills & experience required 7+ years of Advanced Java in high-performance, low-latency environments 5+ years in Financial Markets , ideally in pricing or market-making Strong understanding of FX microstructure , order management ...

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 ...

Latency Java Engineer London | Hybrid Electronic Trading/Distributed Systems/FinTech A leading global trading technology business is looking to hire a Low Latency Java Engineer to join a high-performing Core Trading team building the systems at the heart of a large-scale electronic trading platform. This … Work closely with engineers and stakeholders to deliver trading functionality at scale • Contribute to architecture, performance engineering, and continuous improvement initiatives Requirements: • Strong core Java engineering background • Experience building distributed, low-latency, or high-throughput systems • Strong understanding of concurrency, system design, and backend architecture • Experience with performance testing ...

ALERT 🚨 – Lead Java Contractor 💻 Java/Distributed Systems/Event-Driven Architecture – Trading & Portfolio Tech 🕑 10+ years building high-performance, data-intensive trading systems 📍London (front-office, high-impact engineering environment) 💰 Highly competitive day rate Highlights: 🔷 Lead the design and build of scalable trading & portfolio management systems for the Credit … senior investment stakeholders. What You’ll Be Doing: 🔹 Own the full development lifecycle – from architecture and design through to production delivery 🔹 Build and scale Java-based systems supporting trading, analytics, and execution workflows 🔹 Design high-throughput, event-driven platforms using modern streaming technologies 🔹 Partner with traders and PMs to translate ...

This is a fantastic opportunity to work as a contract Java Developer on a remote basis, inside IR35 for the public sector. Current SC Clearance that has been used in the last 12 months and recent Identity Access Management experience are essential. The key experience required for this Java Developer … position are: SC Cleared Identity Access Management Java Azure If you do have the relevant experience for remote contract Java Developer position, please do apply. ...

Description Senior Java Developer (Contract) - Investment Bank - Central London Contract Length: 6 monthsLocation: Central London (1 day per week onsite) Interview Process: 2 stages Overview We're working with a leading investment bank in Central London seeking a Senior Java Developer to join a front-office aligned team. This role … Strong experience with FX Options Background in Regulatory Compliance Front office exposure preferred (mid/back office acceptable if strong domain alignment) Technical Skills: Java (10+ years core development) Experience with low-latency/high-performance systems Kubernetes/OpenShift Cassandra and Oracle Hazelcast Nice to Have: Frontend experience with ...

This is a fantastic opportunity to work as a contract Java Developer on a remote basis, inside IR35 for the public sector. Current SC Clearance that has been used in the last 12 months and recent Identity Access Management experience are essential. The key experience required for this Java Developer … position are: SC Cleared Identity Access Management Java Azure If you do have the relevant experience fo click apply for full job details ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

Senior Software Engineer - London Harrington Starr are working alongside a unique financial trading technology firm who are seeking 10+ Senior Java Developers to join their Core Development team and build out low latency systems. You absolutely have to have is a demonstrable interest in technology, precision, and technical excellence. … successful candidate will have strong appreciation of Linux, common design patterns, and be a practitioner of TDD. For the role of the Senior Java Engineer you will need the following skills: Strong knowledge of Core Java development, ideally in a low latency/real time environment Strong appreciation ...

global automotive systems industry leader is seeking a Principal AI Software Engineer (Java) to work remotely on AI projects. This role requires deep expertise in Java, Spring, and AWS, with hands-on experience in production-grade AI systems. Responsibilities include implementing AI solutions and creating deployable AI agents. The initial ...

software development experience of designing and coding on enterprise web-based systems. Experience on Objected Oriented Design, Data modelling skills using UML. Experience with Java 8+; J2EE and Gradle/Maven. Experience with Spring (Boot, Security) and other Java frameworks. Experience with BPM tools such as Camunda (preferred), jBPM, Activiti ...

cloud-based environments. Key Responsibilities Design, develop, and maintain HCL Commerce/IBM WebSphere Commerce components and extensions Build and enhance backend services using Java, J2EE, Spring, Spring Boot, and REST APIs Ensure applications meet performance, scalability, availability, and security standards Diagnose and resolve complex issues across application, integration … provisioning, releases, rollbacks, and platform improvements Essential Skills & Experience Strong hands-on experience with HCL Commerce/IBM WebSphere Commerce architecture Proficiency in Java, J2EE, GraphQL, and RESTful APIs Experience with Spring/Spring Boot backend development Strong knowledge of relational databases, particularly Oracle Experience with tools such as Eclipse ...

create meaningful outcomes for both customers and the wider business. What You’ll Be Doing Building and maintaining scalable, production-grade backend systems using Java or Kotlin Developing high-quality, maintainable code across a modern cloud-based architecture Collaborating with product and business stakeholders to turn commercial goals into clear … assisted engineering workflows, where they add meaningful value Requirements 4+ years’ experience as a Software Engineer or Backend Engineer Strong backend development experience with Java or Kotlin Solid understanding of frontend technologies such as React and experience supporting production-grade user-facing applications Experience working with databases such as PostgreSQL ...

Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance ...

writing. Evolve the tech stack by integrating modern technologies and patterns. What They’re Looking For Essential Proficiency in JVM-based languages, specifically Java or Kotlin. Deep experience with cloud-native architecture and multi-cloud environments. A pragmatic, iterative approach to solving complex technical challenges. Strong architectural thinking with ...

near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing … with architects, engineers, and client teams across Europe Operate in Agile environments (Scrum/Kanban) with a strong engineering culture Tech Stack (current & evolving): Java 17+, Spring WebFlux, Akka, MongoDB, Kafka, reactive streams, distributed messaging, cloud-native tooling What You Bring We’re looking for engineers who enjoy thinking ...