1,451 to 1,475 of 2,320 Java Jobs in London

Taptap Send is seeking a Senior Backend Engineer in London to scale our Kotlin/Java services and data pipelines, supporting remittances across countries. You will own backend integrations, design scalable architectures, and collaborate with Product, Ops, and Support to deliver reliable features on AWS. As an early team member ...

role demands strong engineering skills, experience in SaaS, and technical ability to solve real-time challenges. Ideal candidates have experience with Python or Java and exceptional communication skills. Join a growing team dedicated to building reliable AI systems. #J-18808-Ljbffr ...

enterprise-grade streaming solutions using Apache Kafka and the Confluent Platform. Candidates should possess over 8 years of experience in Kafka, strong skills in Java, Python, or Scala, and hands-on experience with cloud platforms. This is a hybrid position requiring 10 days in the office per month. Competitive daily ...

seeks a senior engineer to shape the future of fixed income tech. You will lead development in a high-performance, low-latency environment, utilizing Java/Spring and microservices in cloud-based services. Expect architectural influence, mentorship, and collaboration with business teams to progress Citi's technology roadmap. You will ...

engineers to design and optimize production-grade trading platforms. Candidates should have a strong background in software engineering, familiarity with typed languages such as Java, and knowledge of Kubernetes. The role offers competitive compensation, annual leave, and various benefits including healthcare and a cycle-to-work scheme, all within ...

deploy Web3-native components and integrations powering Citi's digital asset infrastructure, spanning tokenization, on-chain settlement, and protocol connectors. You will work with Java/Spring or Node.js backends, integrate Web3 libraries, and contribute to secure, scalable enterprise-grade Web3 solutions within an Agile, globally distributed team. #J ...

capabilities into reliable, real-world solutions and contribute across design, deployment, and operation of complex systems. Candidates should demonstrate strong fundamentals in Python, Java or TypeScript, and hands-on experience with frameworks like #J-18808-Ljbffr ...

platform services, including customer and developer portals and centralized document management, while leading architectural decisions across a dual-stack of Node.js/TypeScript and Java/Kotlin distributed systems. You will mentor engineers, improve performance and reliability, and contribute to identity infrastructure work such as Keycloak #J-18808-Ljbffr ...

collaborate with business partners, and shape the platform’s strategy. You will design, develop, and deploy robust AI-enabled solutions using Python/Java, and mentor teammates in a fast-moving environment. Responsibilities include technical leadership, business engagement, and delivery, with emphasis on risk, compliance, and cross-team collaboration. Hybrid ...

with the business to translate problems into technical outcomes. You will lead technically, mentor teammates, and drive roadmap while delivering hands-on Python/Java, with Postgres/Oracle databases and GenAI capabilities. The role offers hybrid work with a competitive base salary, generous benefits, and opportunities to shape Citi ...

other tools. The role emphasizes AI-enabled BI approaches and collaboration with stakeholders to surface actionable insights. Strong SQL and scripting skills (Python/Java/R) are required, with experience in data #J-18808-Ljbffr ...

including API and service-level testing, working closely with engineers to ensure reliability and scalability. The ideal candidate will have significant automation experience, strong Java coding ability, and proficiency with CI/CD pipelines. Benefits include comprehensive pension plans, generous vacation entitlement, and flexibility for a work/life balance. ...

will lead the design of unified identity experiences and mentor fellow engineers, ensuring technical excellence. The position demands backend engineering expertise in Golang or Java, with a strong focus on identity systems. We offer competitive salaries and benefits in a diverse, inclusive environment. #J-18808-Ljbffr ...

productivity and delivery speed. The role requires strong technical depth with global team leadership in a fast-paced environment, plus hands-on expertise in Java-based distributed systems and cloud-native practices. Hybrid work model and competitive benefits provided. #J-18808-Ljbffr ...

write code, make architecture calls, mentor engineers, and push for reliability, security, and performance at scale. This hands-on role values deep experience in Java, JavaScript, or Python, with the ability to trade off complexity for business value and to communicate clearly with both technical and non-technical audiences. #J ...

threat analytics. The ideal candidate will have more than 10 years of experience in backend development and data platform engineering, with strong expertise in Java and Apache Spark. The role offers competitive compensation and benefits, reflecting the company's commitment to employee well-being. #J-18808-Ljbffr ...

Ltd. is seeking a Software Engineer to join the Data Platform Team in the UK. You will build scalable backend services on AWS using Java, shape data pipelines, and support ML-ready data initiatives. Expect a collaborative, AI‐driven development environment focused on reliability and performance. You will mentor junior ...

London seeks an experienced Lead Software Engineer to join the algo trading team. You will build and enhance trading strategies and engines using core Java, working alongside trading, quant and IT teams to push the platform forward. The role focuses on high-volume, low-latency, scalable systems, with responsibilities spanning ...

will work closely with stakeholders to translate business requirements into technical solutions. The ideal candidate will have strong experience with JavaScript/TypeScript, Java/Kotlin, and modern development tools. A background in FinTech or the lending industry is a plus. Join us in building a values-driven financial institution. ...

impactful projects, leveraging technologies to drive real outcomes. Candidates should have at least 1+ years of programming experience in languages such as Python, Java, or C++. This role requires strong teamwork skills and adaptability in a rapidly changing environment, with a preference for those with an engineering background. #J ...

speed, and build robust APIs. The ideal candidate should have a strong background in software engineering and be proficient in programming languages like Java and Python. This role offers the chance to tackle real-world problems and significantly impact how data is utilized across industries. #J-18808-Ljbffr ...

role will involve designing cloud-native, high-availability services and using AI-assisted engineering tools. Candidates should have over 8 years of experience in Java and familiarity with event-driven systems. This position offers the opportunity to make significant improvements in the Equities trading business and shape the future technology ...

shape the product roadmap while mentoring colleagues in a fast-moving, delivery-focused environment. The role combines hands-on coding in Python/Java, architectural design, and cross-team coordination, with a hybrid work model and a strong emphasis on risk, #J-18808-Ljbffr ...

telemetry, and real-world datasets. You will build a modern Data Lake using Apache Iceberg, Snowflake, and Kafka, develop backend services in Java or Scala on AWS, and apply AI-assisted tooling for schema mapping, testing, and validation, while ensuring GxP, HIPAA and GDPR compliance. #J-18808-Ljbffr ...

Bachelor\'s degree or equivalent in Computer Science; Understand networking protocols such as HTTP(S), DNS, and TCP/IP; Have experience programming in Java, C++, Python or related language; Nice to have: Experience with AWS products and services, Experience with threat modeling, secure coding, identity management and authentication, software ...