926 to 950 of 2,297 Java Jobs in London

cloud platforms: AWS, GCP, containerised workloads Our delivery tooling: GitLab CI/CD, Terraform and Pulumi Our products, built in Typescript, Python and Java, deployed to customer environments including some that are highly restricted AI-assisted development tooling across our engineering teams, and AI tooling across the wider business ...

/frameworks (REST/JSON APIs, Postman). Experience with at least one common front-end (pure JavaScript, React, Angular, etc) and back-end (Java, .NET, Python, Node, etc) technology. Previous exposure to RFI/RFP Understanding of end-to-end payment flow. Payments industry exposure with an understanding ...

tools/frameworks (REST/JSON APIs, Postman).Experience with at least one common front-end (pure JavaScript, React, Angular, etc) and back-end (Java, .NET, Python, Node, etc) technology. Previous exposure to RFI/RFPUnderstanding of end-to-end payment flow. Payments industry exposure with an understanding ...

technical delivery. A strong track record of hiring, developing, and retaining high‐performing technical teams. Proficiency in at least one programming language such as Java, JavaScript, Node.js, SQL, or Python, with the technical depth to review production‐quality code and guide implementation decisions. Hands‐on experience with APIs, integrations, authentication ...

heart of every delivery.**Who you are*** You’ll bring deep, end‐to‐end knowledge of engineering technologies such as React, Java, Node.js, microservices, RESTful APIs, and cloud‐native architectures.* You have proven experience leading engineering teams and shaping high‐performance cultures.* You’re confident in Agile delivery, with hands ...

years of direct people management experience leading senior, staff, or principal engineers. Proficiency with software development in languages such as Javascript, Python, C#, or Java, alongside architecture expertise in distributed, high-availability production environments. Applied experience leveraging modern AI-first engineering practices and agentic development environments (e.g., Claude Code ...

squad Proven experience working in both backend services and mobile technologies Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, and REST Experience with AWS and strong understanding of cloud-based development Extensive, demonstrable knowledge of designing architectures that are secure ...

heart of every delivery. Who you are You’ll bring deep, end‐to‐end knowledge of engineering technologies such as React, Java, Node.js, microservices, RESTful APIs, and cloud‐native architectures. You have proven experience leading engineering teams and shaping high‐performance cultures. You’re confident in Agile delivery, with hands ...

technical delivery.- A strong track record of hiring, developing, and retaining high-performing technical teams.- Proficiency in at least one programming language such as Java, JavaScript, Node.js, SQL, or Python, with the technical depth to review production-quality code and guide implementation decisions.- Hands-on experience with APIs, integrations, authentication ...

organizationStrong PlusExperience with real-time personalization, push notification pipelines, or cart-abandonment/trigger-based marketing systemsKotlin and Node/Javascript or Java/ScalaFamiliarity with ML model serving in streaming contexts (feature stores, real-time inference)Prior work at a data platform, CDP, or martech companyHow You'll WorkThis ...

ideally in the SaaS spacePrevious software development experience in one or more of the following areas: Front End: JavaScript, TypeScript, React, Back-End: Java, Ruby, Go, Node, Python, Swift/Objective-CExperience with data formats and data transformationGreat oral and written communication skillsSuperior organisational skills working with multiple customers ...

forward deployed engineering) — this is a requirement, not a nice-to-have.* You're fluent in at least one of Python, JavaScript/TypeScript, Java, or Apex — and willing to add to that list as the work demands.* You've been hands-on with LLMs and prompt engineering. ...

cloud. Basic qualifications- Experience as a mentor, tech lead or leading an engineering team- Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design- Experience in professional, non-internship software development- Experience leading the architecture and design (architecture, design patterns, reliability ...

looking for an experienced Java professional to join a strategic migration program involving the modernization of existing applications onto a cloud-native technology stack. The role requires strong technical expertise, architecture understanding, and domain knowledge within booking and movement management systems. This role would suit a Senior Java Developer, Technical … This is the on‐site position, 5 days a week work from office London (Canary Warf). Responsibilities: Design and develop scalable microservices using Java 17 and Spring Boot. Participate in application modernization and migration to AWS cloud platforms. Deploy and manage containerized applications using Kubernetes. Work with MongoDB ...

looking for a Java Software Engineer to join a team delivering high-quality software on critical projects. You will work as part of an Agile/Scrum team and be involved throughout the software development lifecycle, including development, testing, debugging and deployment. Key responsibilities include: Developing and delivering high-quality … Java applications Writing unit, integration and feature tests Working with other technical teams to understand requirements and resolve issues Creating and maintaining low-level technical designs and documentation Supporting CI/CD and software delivery activities Debugging, performance tuning and improving application reliability Participating in Agile ceremonies and sprint activities ...

seeking a hands-on Technology Lead to lead the modernisation of a large-scale Java enterprise application into a secure, scalable and cloud-native platform on AWS . The role combines solution architecture, software engineering, database expertise, DevOps and customer-facing technical leadership. Key Responsibilities Lead end-to-end Java … implement AWS solutions using ECS, Fargate, Lambda, API Gateway, EventBridge, SQS, SNS, Step Functions, S3 and CloudWatch . Provide hands-on technical leadership across Java 11/17+, Spring Boot, Spring Cloud, REST APIs, Python and TypeScript . Lead database architecture and hands-on engineering across Amazon DynamoDB and Aurora ...

hackajob is partnering directly with BlackRock to hire for this role. About this role Business Overview BlackRock Global Markets (BGM) functions are at the core of BlackRocks markets and investments platform, including Index Investments, Markets ...

hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated30 yearsinbusinessand continues to be trusted by global brands to delivertechnology and transformationsolutions that drive customer success. Ourdeepexpertiseenables ...

hackajob is partnering directly with Solirius Reply to hire for this role. About Us: Solirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real ...

Nomura is seeking a technologist for its Global Execution Services algo team. The role focuses on design, development, and deployment of core algorithmic trading platforms used across global markets. You will work closely with quants ...

Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Team Background The Derivatives Credit Risk Technology Team … adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. Core Java experience developing robust, scalable, and maintainable applications applying Object Oriented Design principles. Experience working in the Capital Markets domain. Good understanding of Derivatives and Risk ...

Back End Developer £500-£540 per day | Outside IR35 Java | Spring Boot | Secure Microservices Location: London (MOD site) Working Pattern: 4 days per week onsite Clearance: Current DV Security Clearance required Background: MOD/Defence experience required The Opportunity We're looking for an experienced Back End Developer to help … develop secure, cloud-native services that integrate with existing Defence platforms while following modern engineering and DevSecOps practices. Key Responsibilities Design, develop and maintain Java-based microservices. Build secure RESTful APIs supporting workflow, metadata, document management and integration services. Develop workflow integrations using orchestration technologies where required. Integrate with enterprise ...

Software developer or similar role working within Agile frameworks and associated architectures design coding languages and testing deployment tools including the followingPython, Angular 6, Java, JavaScript, JSON, CI/Cd pipeline build deployment tools eg Bamboo, Micro services APIs, Cloud experience AWS Azure, API integration experience REST preferred, understanding … transition of changes from development to production· Compliance with the organizations control policies and proceduresPrimary Skills· Frontend Backend Development Angular 6 Python JavaScript JSON java· Cloud Architecture AWS S3 API Gateway EC2 RDS cloudnative and microservices architecture· API Integration RESTful APIs thirdparty and inhouse system integrations· DevOps CICD CICD pipelines ...

enjoy designing and developing scalable, high-performance applications using Java and JavaScript? Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript? About The Team You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. … normalized/dimensional data modelling principles Intermediate knowledge of multiple data storage subsystems Confident practitioner in development languages including but not limited to: Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, Unix. Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows, and OIDC ...

automation frameworks for UI, API, and backend testing Identify test scenarios suitable for automation and ensure high automation coverage Develop automated test scripts using Java/Python (or similar languages)Testing & Quality Engineering Perform functional, regression, smoke, integration, and system testing Execute automated and limited manual tests where required Participate …/Automation engineers when needed________________________________________Required Skills & QualificationsTechnical Skills 5+ years of experience in test automation/SDET roles Strong programming skills in Java or Python Experience with UI automation tools such as Selenium, Playwright, or Cypress Strong API automation experience using REST Assured, Postman, or similar tools Knowledge ...