101 to 125 of 238 Senior Java Engineer Jobs

search, security, and observability help organizations deliver on the promise of AI. What is The Role: We are on the lookout for a Senior Software Engineer to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience, especially in the context … issues are successfully resolved. What You Bring: You have a deep background in distributed systems and consensus algorithms. You have strong skills in core Java and are conversant in the standard library of data structures and concurrency constructs, as well as newer language features. You have a deep technical ...

Senior Machine Learning Engineer Belfast | £70,000-£90,000 DOE MCS Group is working exclusively with a US software company to recruit a Senior Machine Learning Engineer for its Belfast team. The business is developing a new cybersecurity product, with an opportunity to help take … product from an early stage. What you'll bring Strong commercial software engineering experience, ideally including four to five years working with production Java . Practical experience in applied statistics, mathematical modelling or machine learning. Confidence working with complex datasets and evaluating model performance. A track record of writing ...

Xantura Limited is seeking a Senior Java Developer to join our Platform Delivery team in London. You will design, build, and evolve our cloud-based data and analytics platform used by local authorities and public sector organisations across the UK. This hands-on role focuses on developing scalable ...

Provntalent is seeking a Senior Java Trading Systems Developer to advance its electronic trading technology. You will design, build and optimize Java-based trading systems, impacting order routing, execution and lifecycle processes across multiple markets. The ideal candidate brings deep experience in electronic trading or capital markets … strong Java software skills and a hands-on approach to architecture and delivery within a high-performance trading environment. #J-18808-Ljbffr ...

Lead Software Engineer - Java/Python LONDON, LONDON, United Kingdom Job Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Lead Software Engineer at JPMorganChase within Digital Markets Execution Technology … continuous improvement aligned to measurable outcomes Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and advanced applied experience in Java/Python Hands‐on practical experience delivering system design, application development, testing, and operational stability for mission‐critical platforms Advanced in one or more ...

Remotestar is seeking a hands-on Senior Java & AWS Engineer to join our cloud-native teams in the UK. You will design, build and scale services with Java, Spring Boot, AWS, Kubernetes, and CI/CD, while embracing test-driven development and pair programming. Work spans ...

Description Senior Software Engineer, Full-Stack Applications - AI Fluent Fitch Ratings is seeking a Senior Software Engineer to join our global Ratings Technology team in London. This is an opportunity to build mission‐critical platforms while helping shape the next generation of technology that powers … professional software engineering experience building and supporting enterprise‐grade applications. Expert‐level proficiency in developing scalable backend services, APIs, and data‐driven applications using Java and Springboot Hands‐on React experience developing modern, responsive, and scalable web applications in production environments. Strong experience with TypeScript/JavaScript, HTML ...

JPMorganChase in London is seeking a Sr Lead Software Engineer (Java/Python) to help design, build, and deliver high-performance trading software within Digital Markets Execution Technology. You’ll contribute as a core technical member of an agile team, guiding architecture, coding, testing, and operations to meet ...

McGregor Boyall is seeking a Senior Java Developer for its London Electronic Trading engineering team. You will design low-latency Java applications, work with traders and quantitative teams, and help scale critical trading platforms across asset classes. Hybrid role with three days in the office, you will ...

transactional throughput, granular privacy management, fault-tolerance and an optimised infrastructure for the TAG TrustNet distributed network. We are using AWS cloud services and Java as primary programming language. The engineering team is responsible for ensuring the platform reliability, security, flexibility and suitability for TAG TrustNet applications. … engineering team? If you answered ‘yes’ to all three questions, then you could be the person we are looking for. The Lead Software/Java Engineer position combines technical leadership, architectural design and a hands-on development role that will contribute to Fiducia’s success through expertise ...

Raytheon UK is seeking a Senior Software Engineer in London to design and build enterprise software in an agile, cross‐functional team. The role requires active eDV clearance and onsite work with potential remote/hybrid options depending on role and site requirements. Applicants should have strong Java ...

Range: $45.00hr - $50.00hr Job Overview: Our client is seeking a Java Production Support Engineer to provide L2/L3 support for enterprise applications, ensuring system stability, performance, and incident resolution. Must Have Skills: Core Java/J2EE. JAVA SOAP and JSP. JVM troubleshooting and performance analysis. … debugging and log analysis. Monitoring/logging platforms such as ELK, Grafana, Dynatrace, or AppDynamics. Key Responsibilities: Provide L2/L3 production support for Java/J2EE and Spring Boot applications. Monitor application health, availability, performance, batch jobs, interfaces, and production alerts. Troubleshoot Java application issues using logs ...

JPMorgan Chase & Co. seeks a Software Engineer III to design and implement high-performance, latency-sensitive Java services for global liquidity and payments. You will write secure code, run automated tests and contribute to architecture design while collaborating with distributed teams across the globe. Strong Java 17+ ...

Testing Site - JPMC is seeking a Senior Software Engineer to advance data solutions within a fast-paced, agile environment. The role emphasizes building scalable data platforms, strong Java 17+ development, and cloud-based analytics using AWS. You will collaborate with data partners and cross-functional teams ...

Senior Backend Software Engineer in the CCOR Technology team, you will design and deliver backend services and APIs that support essential compliance and risk operations. You will partner with Product, Engineering, and other teams to bring scalable solutions from concept to production. You will help define service architecture … Drive adoption of enterprise-authorized AI-assisted engineering practices to improve code quality and delivery speed Qualifications Demonstrate hands-on backend development experience with Java and Spring/Spring Boot Build RESTful APIs and microservices for production environments Work with database technologies such as MongoDB or other enterprise data ...

JPMorgan Chase & Co. is seeking a Software Engineer III (Java/Python) to join the Commercial and Investment Banking Emerging Markets Team in London. You will contribute to an agile team delivering secure, scalable market-leading technology products, writing production quality code in Java and Python ...

future of gaming. Are you ready to level‐up the game? The Role Focusing on our Sportsbook product, we’re looking for a Senior Software Engineer to help build and evolve our next‐generation trading risk platform, powering real‐time liability and exposure management across multiple brands … more informed trading decisions. Integration with downstream systems, including trader‐facing tools. Experience 5+ years software engineering experience in building distributed systems. Excellent Java skills. Experience with streaming technologies (Apache Flink preferred; Kafka Streams, Spark Streaming, etc.). Solid understanding of event‐driven architecture and asynchronous processing patterns. Experience ...

Fractal Analytics UK Limited is seeking a Senior Software Engineer to design, build, and support scalable backend services for banking and financial services. You will lead architectures, mentor engineers, and collaborate with product, security, and operations to deliver resilient, cloud-native microservices in a fast-paced, on-site … London environment. The role requires strong hands-on coding with Java/Kotlin, AWS and distributed systems expertise. #J-18808-Ljbffr ...

Skillfinder International is seeking a Senior Data Engineer in London (Hybrid) to work on a high-profile UK Government AI & Data programme. You will apply a strong Java software engineering background to deliver secure, data-driven solutions in a cloud-native environment. The role combines hands ...

Gradle, Java, Kafka, REST APIs, Spring Boot An established global financial institution renowned for providing innovative banking, investment, and financial services to millions of customers worldwide. The company undertakes large-scale technology initiatives while prioritizing digital transformation, security, and continuous innovation. We're looking for an experienced Backend Engineer … build robust, scalable microservices. You'll work across the full backend stack - from API design through to production-grade integration testing - using modern Java and Spring technologies. Hybrid work mode in Glasgow or London #LI-OK4 Requirements Strong hands-on experience with Java 17+ and Spring Boot ...

ImmigrationGPT in the United Kingdom is hiring an experienced Java developer to build scalable enterprise applications for finance and healthcare clients in London and beyond. You will design and develop high-performance Java/Spring Boot services, collaborate with cross-functional agile teams and client stakeholders, mentor junior ...

will join an experienced group of software engineers responsible for the frameworks, platforms and tools that help secure Avaloq’s technology landscape. As a Senior Software Engineer in the Security Assurance team, you will build and enhance the automation and tooling that embeds security throughout the software development ...

Looking to connect with experienced Java Engineers for an opportunity within a leading digital asset firm in London. The team is building next-generation crypto trading systems, with a focus on high-performance, low-latency trading technology. What they're looking for: 10+ years of relevant software development experience … Strong core Java skills and in-depth knowledge of concurrency and multithreaded programming Experience developing low-latency pricing or trading systems in a Linux environment Strong application performance profiling and optimisation experience Background in one or more of OMS, market connectivity, low-latency messaging or price distribution Additional experience ...

TitleSenior Java/FIX Engineer - IG PrimeJob DescriptionPrime Java/FIX EngineerSo, who are we IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot … standards on the team: testing, documentation, and challenging designs that won't hold upWhat You'll Need:Substantial commercial experience building backend systems in Java — enough that you've owned services in production, made the architectural calls, and lived with the consequencesStrong command of concurrency and multi-threading ...

Skillfinder International is seeking a Java Developer to join a low-latency trading systems team in London. You will design and build high-performance Java applications, optimise memory and CPU usage, and contribute to a platform serving EMEA and US markets. Candidates should have deep JVM tuning, concurrency … memory management expertise, and hands-on experience with event-driven or reactive architectures. Familiarity with Linux internals and low-level Java tech like JNI or Unsafe is a plus. #J-18808-Ljbffr ...