2,076 to 2,100 of 2,281 Java Jobs in London

Senior Front Office Developer - HFT

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
systems covering various aspects such as trading systems, exchange connectivity solutions, and monitoring systems. Apply your expertise in multiple programming languages, including Python or Java, to successfully accomplish development tasks. Conduct thorough testing at the unit, functional, and integration levels to ensure software reliability and performance. Handle both legacy code … among traders, researchers, and software engineers. Qualifications: Experience in designing, developing, and supporting mission-critical, high-performance applications. Strong professional experience in C++ , Rust, Java and PythonDemonstrated expertise in network communication, including multicast and WebSockets. Proficiency in inter-process messaging, micro-service architectures, and API design. Familiarity with Functional Programming ...

Technical Account Manager – EMESA North, German-speaking

Location
Greater London, England, United Kingdom
Kafka or event-streaming experience desired Exposure to LLM Gateways, MCP, A2A, or agent identity/authorisation patterns desired Scripting or development background in Java or Python desired Startup or scale-up experience desired Core Competencies Demonstrates expertise in managing enterprise accounts, driving customer value realization, and ensuring retention through … Implementation with Docker and Kubernetes German-Speaking Hard Skills API Integration Cloud-Native Platforms Value Realisation Retention Management Docker Kubernetes API Security IAM Protocols Java Python Soft Skills Exceptional Communication Relationship Building Advisory Skills Escalation Management Industry Keywords SaaS Infrastructure Vendor Post-Sales Solution Architect Solution Engineer Technical Account Manager ...

Principal Machine Learning Engineer, AI & Data Platforms (AiDP)

Location
Greater London, England, United Kingdom
tuning (LoRA, QLoRA), and full fine‐tuning, tailored to diverse product requirements. You will design and build production‐grade inference systems, working across Swift, Java, and Python to integrate ML capabilities seamlessly into Apple's ecosystem. As a senior technical contributor, you will set engineering standards, mentor engineers, and influence … experiences Build end‐to‐end AI‐powered products and features, taking full ownership from problem definition and prototyping through production release, working across Swift, Java, and Python codebases Establish engineering excellence across the ML development lifecycle, including robust testing, reproducibility, monitoring, documentation, and CI/CD for model and data ...

Java & React Engineer – Hybrid (London Banking)

Location
Greater London, England, United Kingdom
growing Consultancy in London seeks a Java/React Developer for a hybrid role focused on a Banking project. The successful candidate will lead engineering efforts across teams, focusing on software design, implementation, and maintenance. They must write high-quality, modular code and possess experience with Java, React, and agile ...

Senior Software Development Engineer

Location
Greater London, England, United Kingdom
design financial software solutions that scale with Prime Video’s global growth. Code Excellence: Develop clean, maintainable, and efficient code in a modern language (Java, C++, C#), ensuring high-quality software delivery. Technical Leadership: Drive the architecture and implementation of complex systems, contributing to high standards of performance, reliability … team initiatives focused on enhancing software development practices, improving efficiency and scalability. Requirements Experience: 5+ years of professional software development experience, with proficiency in Java, C++, or C#. Education: Bachelor’s degree in Software Engineering, Computer Science, or a related field. Technical Leadership: Proven experience as a mentor, tech lead ...

Low-Latency Java VP Engineer – London

Location
Greater London, England, United Kingdom
Goldman Sachs Electronic Trading (GSET) in London is hiring a Vice President – Low-Latency Java Software Engineer to design, build and maintain high-performance trading platforms. The role emphasizes real-time Java, zero-GC environments, and collaboration with global engineering and product teams to deliver scalable solutions. You will participate ...

Software Engineer ERP Integrations

Location
Greater London, England, United Kingdom
region. What you'll do Collaborate with internal and external stakeholders to enable seamless ERP integration. Work on our standard APIs using Go and Java, including further development and task execution. Design and implement interfaces for diverse protocols (REST, SOAP, direct DB access, file transfers). Translate and map incoming … technical role, ideally linked to integrations and/or ERP systems Proficiency in English, on top proficiency in German is preferred. Experience with Go, Java, REST/SOAP, and SQL. Ideally, professional experience in a client-facing role. Structured and self-reliant working approach. Strong analytical and problem-solving skills. ...

Senior Software Engineer- Customer Support

Location
City of Westminster, England, United Kingdom
take ownership from discovery through delivery and live operation, balancing customer value, maintainability, security, performance and speed. The role is primarily backend engineering in Java, with opportunities to contribute to customer and colleague interfaces built with React and Next.js. Due to high interest, this role may close earlier than advertised. … patterns and maintainable code. Experience developing backend systems, APIs and integrations, or equivalent depth in the relevant engineering discipline. Strong backend development experience with Java and its associated frameworks and testing practices. Experience integrating third-party SaaS platforms; knowledge of Zendesk, Twilio or another CCaaS platform is particularly relevant. Good ...

Data Architect

Location
Greater London, England, United Kingdom
Experience with defining data strategy, data migration approach, data integration approach Experience being a hands on data architect (only when needed with programme languages Java, Scala and Python) Experience with Big Data technologies Experience with Microsoft Azure and services Experience with both open source and vendor data platforms. Experience with … Experience of designing for both structured and unstructured data An understanding of non-functional drivers for design Experience with data modelling Strong background in Java and REST Services - ability to design solutions as well as review code As a technology consultancy, we look for people who can deliver both exceptional ...

Senior API Product Engineer - Wise Platform

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
grade security, and enabling seamless integration at scale. What You Will Be Doing Design & Architecture: Architect, build, and maintain highly scalable backend services using Java, Spring Boot, Kafka, and PostgreSQL within an event-driven, microservices architecture. API Product Ownership: Set API standards (RESTful, OpenAPI/Swagger, OAuth2) and build developer … track record of designing, building, and maintaining production-grade public APIs (RESTful APIs, OpenAPI/Swagger, OAuth2). Core Backend Stack: Extensive experience with Java and Spring Boot for building resilient backend microservices. Distributed Systems & Data: Hands-on experience with event-driven architecture (Kafka or similar messaging systems) and relational ...

Senior Software Engineer, Backend Software

Location
Greater London, England, United Kingdom
therefore deep prior knowledge of it is a genuine advantage, not a prerequisite. Key Responsibilities: Develop and maintain the Spacetime platform using C++, Golang, Java, gRPC, and Protocol Buffers Build scalable, distributed systems on Kubernetes Design and develop Spacetime features for 5G NTN and Direct-to-Cell orchestration, including … software Required Qualifications: Bachelor's degree in Computer Science/Engineering or equivalent work experience Professional experience working in C++, Golang, and/or Java Knowledge of gRPC and Protocol Buffers Experience building and operating distributed systems Familiarity with wireless communications, modeling of wireless performance, or satellite communications Strong technical ...

Software Development Engineer II

Location
Greater London, England, United Kingdom
ways and adhere to regulatory norms. The pricing platform supports millions of users every year in finding suitable travel products using technologies such as Java, Scala, Kotlin, Spring, MSSQL, DynamoDB, Redis, etc. We encourage experimentation with new technologies while maintaining a healthy balance between short- term and long-term goals. … related technical field; or equivalent related professional experience. 2+ years of relevant professional experience. Hands-on experience in backend software development using Java, Scala, Kotlin, or similar languages, and building scalable distributed systems and services. Practical knowledge of caching technologies (e.g., Redis, Couchbase, Memcached) and experience with relational and NoSQL ...

Software Engineer, New Grad - Production Infrastructure

Location
City Of London, England, United Kingdom
build your skills to apply the best technology to solve a given problem. Right now, we use: A variety of languages, including Java and Go for backend and Typescript for frontend Open-source technologies like Kubernetes, Cilium, Envoy, Grafana, React, and Redux Industry-standard tooling, including Gradle and GitHub … Physics. Familiarity with data structures, storage systems, cloud infrastructure, front-end frameworks, and other technical tools. Experience coding in programming languages, such as Java, C++, Python, JavaScript, or similar languages. To apply, please submit the following An updated resume/CV - please do so in PDF format. Thoughtful responses ...

Software Development Engineer II

Location
Greater London, England, United Kingdom
superior long-term investment results through the application of modern engineering and analytical methods. What you’ll be doing: Writing Code (TypeScript, Python, Java, etc) in support of Investment Portfolio Management and Construction Utilizing AWS technologies such as Lambda, API Gateway, DynamoDB, S3, Glue, Redshift, EMR, Sagemaker, EKS/ECS. … related field, or an equivalent in relevant work experience. Experience in software development, including experience with at least one modern language such as Python, Java, C++, or C# including object-oriented design with an understanding of advanced design patterns. Experience in cloud-first design, preferably AWS (Serverless infrastructure, dynamic autoscaling ...

Product Security Engineer

Hiring Organisation
Blockchain
Location
London, UK
Employment Type
Full-time
engineers on secure coding patterns, and provide pragmatic remediation guidance. Advanced Code Auditing: Conduct deep-dive manual and automated code reviews on highly sensitive Java and Kotlin backend Pull Requests. Security Debt & Remediation Negotiation: Produce data-driven Security Debt packs and negotiate remediation into engineering roadmaps. You will negotiate remediation … similar. You should be intimately familiar with the SARIF ecosystem and ASPM workflows. Expert-level ability to audit and propose fixes in Kotlin/Java, TypeScript/JS, Python, and familiarity with containerised deployments (Kubernetes).Strong threat modeling experience and pragmatic architecture guidance for high-stakes financial flows (AuthN/ ...

Senior Java Engineer - Low-Latency Trading Systems

Location
City Of London, England, United Kingdom
ICAP Group Services Ltd is seeking a Senior Java Developer based in the City Of London. The role involves designing and implementing low-latency trading system components while collaborating with diverse teams to ensure optimal performance and stability. Candidates should have substantial experience in Java, familiarity with cloud platforms ...

Senior Java Engineer, Real-Time Backend Platform

Location
Greater London, England, United Kingdom
Hawk-Eye Innovations Ltd. seeks a Principal Java Engineer to lead backend architecture for a new sports technology product. This hybrid role requires expertise in building high-performance, low-latency systems for real-time data. Candidates should have a strong background in Java and experience with cloud infrastructure. Benefits include ...

Senior Java Engineer - Trading Systems & Execution

Location
Greater London, England, United Kingdom
Isamcapitalmarkets is seeking a talented Java Developer to join the Helix Technology team in Greater London. The role involves managing the ISAM Helix Trading System, focusing on trade execution and collaboration with brokers to refine algorithmic execution. The ideal candidate will have a degree in a STEM discipline ...

Lead Java Developer (London)

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
hackajob is partnering directly with AND Digital to hire for this role. Lead Java Developer - 12 Month FTC Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. Weve been helping organisations build better digital products and stronger ...

Senior Java Tech Lead, Data Lake & AI Platform

Location
Greater London, England, United Kingdom
Nomura Holdings, Inc. is seeking a Java Technical Software Engineering Lead – Vice President to lead data acquisition within the AI Labs/Data Lake platform. The role blends hands-on software engineering with architectural leadership in Wholesale Data Technology, London (Hybrid). The candidate will shape architecture, implement scalable data ...

Lead SRE - Chase UK

Location
Westminster, West End, United Kingdom
hackajob is partnering directly with JPMorganChase to hire for this role. JOB DESCRIPTION At JPMorganChase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we ...

VP, Quantitative Developer

Hiring Organisation
Galaxy Digital
Location
London, UK
Employment Type
Full-time
Who We Are: Galaxy Digital Inc. (Nasdaq: GLXY) is a global leader in digital assets and data center infrastructure, growing the economy that runs on code. Galaxy delivers the onchain infrastructure that connects institutions to ...

Lead SRE - Chase UK

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
hackajob is partnering directly with JPMorganChase to hire for this role. JOB DESCRIPTION At JPMorganChase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we ...

Senior Front‐Office Java Engineer – Ultra‐Low Latency

Location
Greater London, England, United Kingdom
Markets is seeking a Senior Low Latency Java Developer for the Quantitative Strategies team in London. You will design and build ultra‐low latency pricing and risk systems that power our market‐making stack, collaborating with Quants, Front Office and Business Operations. This onsite role requires 5 days on site ...

Senior Java Backend Engineer - Cloud Data Platform

Location
Greater London, England, United Kingdom
Xantura in the United Kingdom is seeking an experienced Senior Java Developer to join the engineering team and help 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 senior role focuses on scalable backend ...