1,426 to 1,450 of 2,297 Java Jobs in London

Data Platform Engineer, Lakehouse & AI Pipelines

Location
Greater London, England, United Kingdom
modelling and data quality to deliver reliable data products for analytics and AI use cases. The role suits engineers who code in Python or Java, work with SQL, and collaborate with cross-functional teams to deliver robust data solutions. Candidates with Spark and Snowflake experience will thrive. #J-18808-Ljbffr ...

Senior Web3 Backend Engineer, Blockchain Platform

Location
Greater London, England, United Kingdom
enterprise-grade web applications, connect to blockchain networks, and develop APIs and services that enable tokenized assets and digital infrastructure. The role requires strong Java/Spring experience, familiarity with Web3 tools, and a proactive, collaborative mindset. A hybrid work model with strong engineering standards and ongoing learning opportunities ...

AI-Powered Full-Stack Engineer

Location
Greater London, England, United Kingdom
JPMorgan Chase & Co. in the United Kingdom is seeking a Full Stack Engineer to design, build, and support scalable web applications and integrations using Java, Python, and React. You will collaborate with product, marketing, and partners to translate requirements into robust technical solutions, and contribute to AI-enabled initiatives ...

Senior Blockchain Engineer – CIDAP Backend (Hybrid, London)

Location
Greater London, England, United Kingdom
Citi London is hiring a Senior Blockchain Engineer for the Digital Assets Platform. You will be a hands-on backend engineer (Java Spring) focusing on scalable web applications and web3 integration, contributing to the CIDAP project within Citi's engineering network. Strong enterprise development experience and familiarity with Web3 libraries ...

Senior Android Engineer – Embedded Media Player

Location
Greater London, England, United Kingdom
also direct testing, validation, and collaborate on technical issues with stakeholders. Requirements include 5+ years in the field, a relevant degree, and proven Android Java/Kotlin experience within embedded systems, plus understanding of the software development life-cycle. #J-18808-Ljbffr ...

FinTech Full-Stack Engineer: PnL & Accounting (London)

Location
Greater London, England, United Kingdom
build core accounting systems powering PnL and Balance Sheet reporting for Secured Funding Transactions. You will work across the full technology stack—from Java/Scala on Spark to UI delivery—collaborating with project managers and Finance clients throughout the development lifecycle. This is a permanent, salaried consultant position with ...

Senior Backend Engineer - Payout Network & Integrations

Location
Greater London, England, United Kingdom
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 ...

Lead, Home Broadband Engineering

Location
Greater London, England, United Kingdom
with hybrid working and a clear path to impact. The role combines strategic roadmap work with hands-on leadership, focusing on React, Java, microservices, and cloud-native #J-18808-Ljbffr ...

ML Projects Engineer: AI-Driven Banking Systems

Location
Greater London, England, United Kingdom
will design, implement, and maintain machine learning features, working closely with engineers and data scientists. The ideal candidate will have strong skills in Python, Java, and cloud technologies. Starling offers a hybrid working environment and a comprehensive benefits package including generous holiday, health insurance, and professional development opportunities. #J ...

Streaming Architect: Kafka, Confluent & Cloud Platforms

Location
Greater London, England, United Kingdom
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 ...

Enterprise Solutions Engineer - GenAI & AI SaaS

Location
Greater London, England, United Kingdom
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 ...

Web3 Backend Engineer for Digital Assets Platform

Location
Greater London, England, United Kingdom
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 ...

Production-Ready AI Native Engineer – Agentic & LLM Systems

Location
Greater London, England, United Kingdom
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 ...

Senior Platform Engineer – Scalable, Event-Driven Systems

Location
Greater London, England, United Kingdom
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 ...

Real-Time Trading Platform Engineer

Location
Greater London, England, United Kingdom
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 ...

Senior AI Platform Engineering Lead

Location
Greater London, England, United Kingdom
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 ...

Senior Rates eTrading Platform Lead

Location
Greater London, England, United Kingdom
Rates eTrading Development Lead to modernize and expand front-office eTrading platforms across global rates products. This hands-on technical leadership role requires deep Java expertise, architectural vision, and collaboration with traders, quant teams and engineers. The role focuses on building high‐performance, low‐latency components, real-time pricing ...

Senior AI Platform Engineer & Technical Lead

Location
Greater London, England, United Kingdom
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 ...

AI-Driven BI Engineer: Data Pipelines & Insights

Location
Greater London, England, United Kingdom
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 ...

Director, Markets Finance Tech & AI Strategy (Hybrid)

Location
Greater London, England, United Kingdom
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 ...

Senior Data Platform Engineer - Hybrid London

Location
Greater London, England, United Kingdom
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 ...

Lead Engineer: AI-Driven Payments & Scale

Location
Greater London, England, United Kingdom
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 ...

Staff Identity & Access Engineer - Unified Auth Platform

Location
Greater London, England, United Kingdom
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 ...

Senior API QA Engineer - Automation & CI/CD

Location
Greater London, England, United Kingdom
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. ...

Data Platform Engineer I — AI-First on AWS

Location
Greater London, England, United Kingdom
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 ...