1,976 to 2,000 of 2,281 Java Jobs in London

transform and scale this practice. This is a role split evenly between technical leadership and people leadership. You'll need real depth in Java, React and Spring Boot — confident enough to design a solution and defend it credibly to a sharp, technical client stakeholder — alongside strong team management experience … process pragmatically, without losing delivery momentum Acting as the "go-to" person for your key stakeholders What we're looking for: -Deep, hands-on Java, React and Spring Boot expertise (non-negotiable) -Broader technical range across the wider stack, cloud (GCP/Azure/AWS) and microservices -Proven engineering leadership ...

Citigroup Inc. is seeking a Senior Java Developer to lead large-scale application initiatives within the Derivatives Credit Risk Technology Team. You will contribute across the full software development lifecycle, from concept through design, development, testing and deployment, acting as a senior individual contributor with potential for leadership. You will … apply core Java, Spring, and modern cloud-based tooling to build robust risk management software, collaborate with a global team, and #J-18808-Ljbffr ...

Practice group as a Technical Team Lead. You will drive the vision, strategy, and execution of our secure pipelines and control automation stack (Java/TypeScript/GitHub Actions/Cloud). You will lead a high-performing team of engineers, setting technical direction and fostering a culture of innovation … approach, feedback and continuous improvementSkillsMust haveProven experience as a technical team lead or senior engineer in DevOps, automation, and software developmentExperienced full stack developer (Java/JVM/TypeScript), likely 5+ years in industryExtensive DevOps experience including CICD, SLI/SLOs, error budgets et alExtensive automation experience including GitHub Actions ...

equivalent) in Computer Science, Automation Engineering, Electrical Engineering, or a related field. - 3+ years of programming with at least one modern language such as Java, Python. - 2+ years of designing and architecting (design patterns, reliability and scaling) of new and existing systems. - Strong problem-solving and debugging skills. PREFERRED QUALIFICATIONS … Lambda, RDS, System Manager, API Gateway, AppSync, DynamoDB, CloudWatch, EC2, IAM. - Proficiency in scripting languages (Python, JavaScript, TypeScript) and object-oriented programming languages (Java, C#, C++). - Knowledge of database systems and SQL and infrastructure as code (AWS CDK). - Ability to take projects from scoping and design to full ...

Lambda and DynamoDB. Work with large volumes of structured and unstructured data, integrating information from multiple sources. Develop data solutions using technologies including Python, Java, Scala, Spark and SQL. Write scripts, develop APIs and SQL queries, and contribute to the design and deployment of scalable cloud-based data platforms. Work … within a big data environment. Strong experience with AWS cloud technologies and data engineering services. Hands-on experience with one or more of Python, Java, Scala, Spark and SQL. Experience working with large-scale structured and unstructured datasets. Understanding of data ingestion, processing, transformation and integration. Strong analytical and problem ...

Lambda and DynamoDB. Work with large volumes of structured and unstructured data, integrating information from multiple sources. Develop data solutions using technologies including Python, Java, Scala, Spark and SQL. Write scripts, develop APIs and SQL queries, and contribute to the design and deployment of scalable cloud-based data platforms. Work … within a big data environment. Strong experience with AWS cloud technologies and data engineering services. Hands-on experience with one or more of Python, Java, Scala, Spark and SQL. Experience working with large-scale structured and unstructured datasets. Understanding of data ingestion, processing, transformation and integration. Strong analytical and problem ...

Requirements experienced in: Software engineering, or an equivalent combination of professional experience, education, and technical training. Designing, developing, and maintaining enterprise-grade applications using Java/J2EE, Node.js, and object-oriented programming principles. Designing, implementing, and supporting system integrations using APIs, messaging frameworks, and batch processing solutions. Troubleshooting, diagnosing … testing, release management, deployment, and production support. Leading complex technology initiatives, driving technical delivery, and mentoring software engineers and development teams. Technical SkillsProgramming Languages: Java, Node.js, or other object-oriented programming languages. Cloud & Infrastructure: AWS, Kubernetes. Databases: PostgreSQL (preferred); exposure to Databricks and/or Snowflake is highly desirable. Monitoring ...

observability Experience delivering high-stakes consulting engagements across multiple language paradigms, stacks, ecosystems, and client industries Experience with multiple languages and frameworks, including Java, C#/.NET, Python, TypeScript, JavaScript, React, Go, Ruby, Scala, R, and SQL Experience experimenting with AI development tools Experience building or integrating AI/… Highest-signal resume keywords Platform Engineering AI/ML Feature Integration Architecture Design Client Engagement Leadership Mentoring and Coaching ATS Optimization Keywords Hard Skills Java C#/.NET Python TypeScript JavaScript React Go Ruby Scala SQL Soft Skills Client Trust Building Collaboration Communication Leadership Problem Solving Industry Keywords Consulting Acumen ...

merchants, or supporting the integration of our private and public cloud platforms. Job Responsibilities Participates in, design and develop scalable and resilient systems using Java or Python to contribute to continual, iterative improvements for product teams Executes software solutions, design, development, and technical troubleshooting Creates secure and high-quality production … respect Required qualifications, capabilities, and skills Hands-on practical experience in system design, application development, testing and operational stability Proficient in coding in Java or Python languages Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages ...

Java Data Engineer – Hedge Fund200kQuant Capital is urgently looking for a Java Data Engineer to join our high profile client. Our client is a $2 billion strong quant hedge fund with performance figures of 22%. They are currently looking to expand their high and intraday trading presence across … next-gen EMS, order routing systems, execution algos, connectivity to venues and brokers, market data feeds, bespoke multi-dealer execution systems for OTC assets. Java Engineers must have:/PhD in Mathematics/Physics or engineering with strong mathematical backgroundFinancial Services experience in an IB, Vendor, fintech or FundExpert Java ...

including workspaces, clusters, policies, jobs, libraries, and integrations — to support production‐grade data workloads Build automation around platform provisioning and operations using Python or Java, reducing manual effort and improving consistency across environments Create and maintain CI/CD pipelines for infrastructure and platform deployments, including Terraform plan/apply … CloudWatch, and load balancing Working experience with Databricks, including platform administration and/or building and supporting production workloads Proficiency in Python (preferred) or Java, with demonstrated ability to build automation, tooling, and platform integrations Experience with Git‐based workflows and CI/CD practices applied to infrastructure and platform ...

mortem leadership. Work as a core member of the software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including … implementing observability frameworks for mission critical systems. Proven ability to lead incident response and drive long term remediation. Solid programming skills in Python, Java, or Kotlin, with the ability to contribute production‐grade code. Experience with microservices, distributed systems, and event‐driven architectures. Strong understanding of CI/CD pipelines ...

everything we ship. You will operate with a high degree of autonomy while staying deeply embedded in collaborative engineering culture. Tech Stack: Java 21 (Spring Boot 3), Python, LangGraph, LLM APIs (OpenAI, Anthropic, Gemini), PostgreSQL, Kinesis, AWS, Terraform, GitHub Actions, Node.js, TypeScript, Next.js, React. What you will do Take ownership … engineering bar. Who you are 7+ years of backend engineering experience, with a track record of owning critical systems in production. Deep expertise in Java (Spring Boot) and strong familiarity with Python; comfortable navigating a polyglot codebase. Proven experience designing distributed systems — event‐driven architecture, microservices, data pipelines. Strong command ...

Team Creation Limited is seeking a Senior Java Developer to join our Core Platform Team, building and maintaining scalable backend infrastructure for our back-office system. You will architect backend services powering games, player management, reporting tools, and third-party integrations, in collaboration with Product Owners, Frontend, DevOps, and QA. … Senior Java Developer, you will design and implement backend systems to support thousands of concurrent connections, develop modular #J-18808-Ljbffr ...

industry standards. Translate findings into practical remediation plans and developer guidance. Secure Development & DevSecOps Support the development of secure coding standards across technologies including Java, C and C++. Embed security throughout the Software Development Lifecycle (SDLC). Design and support secure CI/CD pipeline patterns. Integrate SAST, DAST … modelling techniques and methodologies. Experience working closely with software engineering teams in enterprise environments. Ability to read and understand code in languages such as Java, C, C++, C#, Python or similar. Strong understanding of shift-left security and secure development lifecycle practices. Highly Desirable Skills: Fuzz testing and advanced dynamic ...

Need to Succeed in This RoleExperience: Proven: generally gained over 7 years in software engineering, ideally in enterprise-scale cloud environments. Modern programming languages (Java, JavaScript, .NET, Go, CSS, HTML)Cloud platforms (Azure, AWS)DevOps tools (GitHub, Docker, Kubernetes, Jira)Database management (SQL Server, DB2)Development Practices: Continuous integration, delivery … Robert AllyJob reference 39809Key requirements: Experience: Proven: generally gained over 7 years in software engineering, ideally in enterprise-scale cloud environments. Modern programming languages (Java, JavaScript, .NET, Go, CSS, HTML)Cloud platforms (Azure, AWS)DevOps tools (GitHub, Docker, Kubernetes, Jira)Database management (SQL Server, DB2)Development Practices: Continuous integration, delivery ...

make a real impact. Job OverviewAn Digital Assets Platform Web3 Engineer must be a highly motivated and proactive hands-on software engineer (Back End, Java Focus), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing … integrate with blockchain networks and digital asset infrastructureImplement blockchain integrations — including node connectivity, transaction submission, on-chain event monitoring, and wallet interactions — using enterprise Java and Web3 librariesWrite, test, and deploy smart contracts in Solidity or equivalent languages, following established security and quality standardsBuild and maintain APIs and microservices that ...

Certified practitioner AWS/Azure SysOps Administrator or equivalent Scrum Master B.S. Computer Science/Engineering or related fields AI Certifications Data Analytics Certifications Java Certifications Python Certifications Cybersecurity certifications Core Competencies: Candidates should exhibit working knowledge of the following key skills and proficiencies: Application Development Database Management Data Engineering … Data Analytics Data Visualization Machine Learning Artificial Intelligence (AI) Analytical Thinking Problem Solving Data Analytics JavaScript Java Nice to have skills: Software Development Life Cycle (SDLC) Cloud Computing Identity Access Management (IAM) About State Street: Across the globe, institutional investors rely on us to help them manage risk, respond ...

maintain scalable data pipelines and servicesDevelop batch and ELT/ETL data workflows for ingesting and processing large datasetsWork with technologies such as Python, Java, Spark, SQL, and AirflowApply good software engineering practices, including testing, documentation, and CI/CDContribute to cloud‐based systems (AWS), focusing on reliability, monitoring … Experience working as a data or software engineer on production systemsStrong skills in Python and experience with at least one backend language (such as Java)Understanding of data engineering concepts such as data lakes, batch processing, and distributed systemsExperience building or operating data pipelines using tools like Spark and AirflowFamiliarity ...

evolve backend services that support the complete customer order lifecycle, from order creation through to fulfilment and completion. Develop scalable microservices and APIs using Java/Kotlin, enabling reliable and efficient order processing across multiple channels. Contribute to event-driven architectures using Kafka to support high-volume transactional workflows across … complex commerce challenges. Who You Are A strong backend engineer with significant experience designing and operating scalable services in production environments. Knowledge working with Java and/or Kotlin and modern microservice architectures. Passionate about building reusable backend capabilities that enable multiple teams and products. Solid understanding of distributed systems ...

OpenSource tools such as Selenium WebDriver, Playwright, or Tricentis Tosca* Experience creating or adapting automation frameworks* Familiarity with at least one OOP language (Java, Python, C# etc.)* Creating test scripts within a BDD environment using Cucumber, SpecFlow or similar* Ability to manage and maintain versions of test assets … will be part of your working reality. We have built an inclusive and welcoming environment, for everyone.## **Mandatory Skills :*** OOP language such as Java, Python, C#* Functional Test tools such as Selenium WebDriver, Playwright or Tricentis Tosca* Test management tools such as Jira, TFS, OpenText ALM* Experience of working ...

deliver a high-quality end product to our clients? We work with a wide range of different technologies including Scala, .Net, C #, Java, Salesforce, SharePoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, Azure DevOps and Octopus. We always use the most suitable, and preferably the latest, technology for each … life cycle of deliveryKey Skills/Experience/QualificationEssential+4 years experience in the IT IndustryFull-stack or backend technical background with experience with Scala, Java, .Net or C #.A curiosity to explore new technologiesExperience across the full software development lifecycleAbility to code within projectsPrevious involvement in developing and delivering major ...

Citibank (Switzerland) AG is seeking a Lead Java Developer in London to engineer the future of global finance. You will lead the Application Development team to enhance our trading applications with a hybrid working model, enabling effective collaboration. The ideal candidate will possess strong Java skills, experience in microservices ...

develop and test AI Agents and work with Model Context Protocol (MCP) and MCP servers. Write high-quality code in Python and/or Java , working across modern AI and platform technologies. Provide technical leadership, mentoring and guidance to other engineers and contribute to team development. Drive engineering quality through … role . Strong expertise in object-oriented programming, software architecture and technical design . Strong hands- on development experience in Python and/or Java ; experience with both is highly desirable. Experience with Generative AI and AI Agents , ideally including Google ADK . Practical experience with Model Context Protocol ...

Talan Group is seeking a talented Java Developer with React experience to join their team delivering front-office solutions within Global Markets. This role is essential for designing and enhancing regulatory and sales platforms, contributing to modern, scalable applications. The ideal candidate will possess strong Java skills, experience ...