51 to 75 of 232 Senior Java Engineer Jobs

Senior Java Engineer

Location
United Kingdom
looking for an experienced and motivatedSenior Java Engineer to join our team as we approach our next exciting period of growth. This exciting new role will contribute to our product development, taking responsibility for specific areas of functionality within our product suite, and being the driver of design … support both internally, and externally. Mentor junior engineers asrequired. Essential skills & experience We see experience with the following as essential to the job: Strong Java experience and knowledge, with a minimum of 5 years’ experience in a professional environment. Experience with development and debugging of high-quality code ...

Senior Java Web Engineer – Trade Platform Backend & UI

Location
Greater London, England, United Kingdom
Virtual Hire Staffing is seeking a Mid/Senior Java Web Engineer for a leading global financial markets infrastructure client in London. The role involves hands-on work across backend services and web UI, delivering a modular end-to-end trade management platform in collaboration with architects … frontend developers. Requirements include strong Java with Spring Boot, REST APIs, React knowledge, SQL/PostgreSQL, Git, and Maven/Gradle; 4–8+ years of experience; and an Agile, Linux/Unix #J-18808-Ljbffr ...

Senior Java CD Engineer — Build resilient delivery platform

Location
Greater London, England, United Kingdom
Wise is hiring a Senior Java Software Engineer II for Continuous Delivery. You will work on the platform that powers thousands of releases across services, primarily in Java and Go, extending Spinnaker and related integrations. This hands-on role lets you move from discovery to implementation ...

Senior Backend Engineer (Java) — Banking Microservices

Location
City Of London, England, United Kingdom
Parser Limited in London is seeking a Senior Backend Engineer (Java) to lead the design, development, and support of mission-critical banking services in a multi-cloud environment. You will own distributed systems and microservices, build RESTful APIs, and ensure robust testing, CI/CD, and production ...

Senior Java Engineer - FinTech Trading (Hybrid)

Location
Belfast City District, Northern Ireland, United Kingdom
Vanrath is seeking a Java Engineer to join a Belfast-based software development team focused on high-performance fintech applications and electronic trading platforms. You will design, develop and maintain scalable software, collaborating with product teams, tech support and business stakeholders to deliver new features and client-specific ...

Senior Java Engineer for AI Inference API

Location
United Kingdom
Elastic looks for a Senior Java Developer to join the Elasticsearch team and shape the Inference API integration. You will build and maintain the plugin framework, REST API, and provider integrations across AI and external services, collaborating with Kibana and inference teams. Required are 5+ years of production … Java experience, API design expertise, and strong concurrency skills. The role emphasizes autonomous work and cross-team collaboration in a distributed environment. #J-18808-Ljbffr ...

Senior Java Software Engineer III

Location
Glasgow, Scotland, United Kingdom
cloud-ready platforms that power critical post‐trade and collateral workflows. We’re looking for a high-impact, deeply hands-on, and delivery-focused Java engineer with 8+ years of experience who thrives in complex domains, loves turning ambiguity into elegant solutions, and enjoys partnering with stakeholders … services for complex, high-throughput systems. Partner with product, operations, and technology stakeholders to clarify requirements, shape solutions, and influence decisions through strong communication. Engineer scalable, resilient Spring Boot microservices with a focus on performance, stability, observability, and operability. Lead architecture and engineering best practices: clean code, automated testing ...

Senior Java Engineer – Inter-Office Trading Platform

Location
Greater London, England, United Kingdom
HKEX Group in London seeks a Senior Engineer to advance the LMEsmart platform. You will design high-throughput, low-latency inter-office integrations, automate test tooling, and drive real-time performance insights for governance and market oversight. You will work in a cloud-enabled environment, employing Java ...

Senior Backend Engineer - Java (Stock Options, Hybrid)

Location
Greater London, England, United Kingdom
London is hiring a Senior Software Engineer (Java) to design, build and scale backend systems that power our fintech products. You will work in a hybrid setting, contributing to REST APIs, microservices and payments workflows, while shipping high-quality code with a focus on maintainability and performance. ...

Senior Agentic AI Full-Stack Software Engineer (Java & React / Javascript / Angular / Claude Code / Codex)

Hiring Organisation
Elsevier
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Agentic AI Full-Stack Software Engineer (Java & React/JavaScript/Angular/Claude Code/Codex) Would you like to help create … complex technical problems? About the team: Our dynamic Agile Teams deliver the technology that facilitates researchers to publish quality scientific research. As a Software Engineer, you will build capabilities to improve the quality of scientific research. About the role: As a Senior II Software Engineer, you will ...

Senior Java Engineer - Low-Latency Crypto Trading

Location
Greater London, England, United Kingdom
TECH SOLUTIONS LIMITED in London is seeking an experienced Java Engineer to join a team building high-performance, low-latency trading systems for a leading digital asset firm. You will tackle complex problems in a fast-paced environment, delivering robust software for real-time markets and crypto trading. ...

Senior Agentic AI Full-Stack Software Engineer (Java & React / Javascript / Angular / Claude Code / Codex)

Location
Oxford, England, United Kingdom
Senior Agentic AI Full-Stack Software Engineer (Java & React/JavaScript/Angular/Claude Code/Codex) Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team Our dynamic Agile … Teams deliver the technology that facilitates researchers to publish quality scientific research. As a Software Engineer, you will build capabilities to improve the quality of scientific research. About the role As a Senior II Software Engineer, you will build capabilities to support scientific researchers through the process ...

Senior Java Systems Engineer - Exchange Accelerator / Matching Engine - NYC - Fintech

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
record of delivering powerful, elegant and intuitive trading technology solutions, and we value technical pragmatism, collaboration, and clear communication. We're looking for a Senior Java/Systems Engineer with significant experience in Platform Exchange Systems to design, deliver, and optimize production-ready, high-performance, low-latency … technology using Aeron. YOU ARE: A hands-on engineer who enjoys designing and optimising low-latency Java services and protocols across the full delivery lifecycle. Someone with genuine experience building Matching Engines and Platform Exchange Systems. Driven by evidence-based engineering, automated testing, benchmarking, and profiling rather than ...

Senior Java Engineer — Hybrid, Cybersecurity Solutions

Location
Belfast City District, Northern Ireland, United Kingdom
Congruity360 in Belfast is seeking a Senior Software Engineer to join our Engineering team. You will implement Java-based solutions (Java 17+/21) and contribute to a cybersecurity-focused product in a fast-moving environment. This hybrid role requires a minimum of two days ...

Senior Real-Time Java Engineer - Fintech & Microservices

Location
Greater London, England, United Kingdom
Morson Group is seeking a Senior Java Software Engineer to join a fintech-focused team in London. Work on a real‐time payments processing solution using Java 11+, Spring Boot, Kafka and MongoDB, and contribute from design and coding perspectives to deliver scalable, highly available components. ...

Senior Full-Stack Java Engineer - AI-Driven Integrations & Azure

Location
Greater London, England, United Kingdom
Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices … optimize application and integration performance. SKILLS Must have Core Engineering 8+ years of software engineering experience, ideally within Financial Services. Strong expertise in Java, Spring Boot, REST APIs, and distributed systems. Experience with Kafka, IBM MQ, or similar messaging technologies. Strong integration experience with Loan IQ, lending, banking ...

Senior Java Software Engineer - Search Inference - Platform

Location
United Kingdom
search, security, and observability help organizations deliver on the promise of AI. What is The Role: We are on the lookout for a Senior Java Developer to join our Elasticsearch team and drive our work on the Inference API in Elasticsearch. The Elasticsearch Inference API is the integration … incidents Write thorough tests: unit tests using ESTestCase, YAML-based REST integration tests, and rolling-upgrade tests What You Bring: 5+ years of production Java experience, with experience contributing to a large, established Java codebase. You know core Java and are conversant in the standard library ...

Senior FX Java and AI Engineer (Cross Border Payments) - Vice President

Location
Greater London, England, United Kingdom
have a demonstrated passion for delivering FX technology in support of our #1 FX business. Role Overview/What will you do As a Senior Java Engineer, your mission is to help shape our team of innovators and technologists toward creating next-level solutions that improve … STEM discipline. Proven experience in software engineering and development, and a strong understanding of computer systems and how they operate. Hands on Experience in Java , Spring, Understanding of ultra-low-latency development practices. Proven understanding of FX highly preferred Well versed with AI coding tools like Devin , Claude code ...

Senior Java & Python Engineer — Trade Lifecycle (London)

Location
Greater London, England, United Kingdom
Investigo is seeking a Senior Java/Python Engineer for a London-based role involving design and delivery of a next-generation platform in capital markets. You will build core services across trade lifecycle, settlement, finance systems and regulatory reporting, with exposure to event-driven architecture ...

Senior Software Engineer, Full-Stack Applications (Java)

Location
Greater London, England, United Kingdom
Select how often (in days) to receive an alert: Senior Software Engineer, Full-Stack Applications (Java) Requisition ID: 50948 Business Unit: Fitch Group Category: Information Technology Location: London, GB 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 how a world-leading credit ratings agency delivers insights. In this highly visible role, you will combine hands-on engineering ...

Senior Low-Latency Java Performance Engineer

Location
Greater London, England, United Kingdom
Luxoft is seeking a senior Java engineer to join its global tech team, delivering high-performance, low-latency platforms for real-time processing. You will work on event-driven and reactive systems, optimize JVM performance, and push memory and networking boundaries on Linux. You will apply advanced ...

Senior Java & FIX Engineer – Real-Time Trading APIs

Location
City Of London, England, United Kingdom
Group's Prime division is seeking a Senior Java/FIX Engineer to design and modernise high‐performance trading APIs used by institutional clients. You’ll own services end to end, from architecture through production, focusing on resilience, latency and correctness in real‐time markets. … work on REST, streaming and FIX APIs, modernising the FIX estate and shaping our cloud‐native trading platform. Strong Java and distributed systems experience are essential. #J-18808-Ljbffr ...

Senior Java Engineer - Low-Latency Trading OMS

Location
City Of London, England, United Kingdom
Group in City of London is seeking a Senior Software Engineer for the Java Order Management System, owning services end-to-end and delivering low-latency order routing across the platform. You will work closely with product and business teams, design scalable Java services, and ensure ...

Senior Java & FIX Engineer - Low-Latency Trading APIs

Location
Greater London, England, United Kingdom
Group's Prime API team is seeking a Senior Java/FIX Engineer to design and modernise trading APIs used by institutional clients. You will own services end-to-end, tackle latency challenges, and work on REST, streaming and FIX interfaces. The role sits in IG Prime … with cloud-native initiatives and live systems work. Strong Java, concurrency, and collaboration with client-facing teams are essential for success. #J-18808-Ljbffr ...

Senior Java Software Engineer

Hiring Organisation
Avaloq
Location
City of Edinburgh, United Kingdom
Employment Type
Full Time
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 … . Collaborate with engineering and technology teams to resolve security issues and continuously improve secure software development practices . Qualifications Proven experience as a Senior Software Engineer , with hands-on expertise in several of the following: Java/Spring Boot, Python, JavaScript/TypeScript, Gradle, Jenkins/ ...