126 to 150 of 3,981 Permanent Java Jobs

## Senior Software Engineer (Java Or Python) - VPApplylocations: Belfast United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26969354**Senior Software Engineer (Java Or Python)**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every … reporting control issues with transparency.**Key Skills and Experience required****Additional Job Description*** Experience in full‐stack application development with strong expertise in **Java or Python*** Deep experience with backend frameworks such as **Spring Boot/Spring Core** and **Flask/FastAPI*** Solid frontend experience with **modern JavaScript frameworks** (React ...

performing engineering squad, building and operating business-critical digital services. This is a backend-led full-stack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services and APIs. You will also contribute to modern web interfaces … contribute to a collaborative, low-ego team culture. What's important to us Strong commercial experience developing server-side applications with Kotlin or modern Java, ideally Java 17 or later. Good knowledge of the JVM ecosystem and common backend development practices. Experience designing, building and operating APIs. Understanding of service ...

performing engineering squad, building and operating business-critical digital services. This is a backend-led full-stack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services and APIs. You will also contribute to modern web interfaces … contribute to a collaborative, low-ego team culture. What's important to us Strong commercial experience developing server-side applications with Kotlin or modern Java, ideally Java 17 or later. Good knowledge of the JVM ecosystem and common backend development practices. Experience designing, building and operating APIs. Understanding of service ...

Senior Java DeveloperBusiness Unit: FTSE Russell – Index PlatformCompany: London Stock Exchange Group (LSEG)About UsLSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from … place where everyone can grow, develop and fulfil your potential with meaningful careers.About the RoleWe are seeking a highly skilled and hands-on Senior Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell ...

Senior Java DeveloperBusiness Unit: FTSE Russell – Index PlatformCompany: London Stock Exchange Group (LSEG)About UsLSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from … where everyone can grow, develop and fulfil your potential with meaningful careers. About the RoleWe are seeking a highly skilled and hands-on Senior Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell ...

Senior Full Stack Engineer (Java & React)Location: London, United Kingdom or Glasgow, Scotland (Hybrid)Help Build the Future of global STEM workforce solutionsWe're reimagining how organisations connect talent, technology, and opportunity.Our team is building the next-generation AI digital platform, automation, cloud-native architecture, and modern engineering practices. This … entire technology lifecycle, from product discovery and solution design to deployment and continuous improvement.You will:Design, build, and operate scalable full-stack applications using Java and ReactDeliver intuitive, accessible, and high-performing user experiencesDevelop secure, resilient, and observable backend services and APIsCollaborate closely with Product Managers, Architects, Designers, and Engineering ...

Software Engineer II at the company within [Insert Team Name/Line of Business], you will ship secure, full-stack features, write clean Java code, and deepen your expertise in modern engineering practices — including microservices, event-driven architecture, and CI/CD — while building the foundation for a serious, long … concepts and expanding applied experience Hands-on experience contributing to system design, application development, testing, and production support and operational stability Strong proficiency in Java and common frameworks such as Spring Boot, Hibernate, JPA, and Spring Kafka Working knowledge of microservices architectures and Kafka or other messaging and event-driven ...

strengthen the firm's technology controls agenda and support the delivery of scalable corporate systems that matter.Job responsibilitiesDesign and deliver full stack applications using Java (8+), Spring Boot microservices, and Angular (6+), ensuring solutions are resilient, secure, and aligned to enterprise architecture standardsBuild and evolve well-designed REST APIs, applying … automationRequired qualifications, capabilities, and skillsFormal training or certification on software engineering concepts and proficient applied experienceHands-on experience building full stack applications using Java (8+) and Angular (6+), with practical experience delivering Spring/Spring Boot microservices and well-designed REST APIsProficiency in TypeScript, HTML, CSS, and JavaScript with strong ...

Senior Software Engineer (Java Or Python) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From … reporting control issues with transparency. Key Skills and Experience required Additional Job Description Experience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend experience with modern JavaScript frameworks (React ...

partners, and help shape the tools and platforms that underpin sound financial decision-making at a global scale.Job responsibilitiesDesign and develop secure, high-quality Java-based applications and services that support credit risk workflows, ensuring code is maintainable, performant, and aligned to architectural standardsBuild and maintain responsive front-end features … software engineering concepts and proficient applied experienceHands-on practical experience in system design, application development, testing, and operational stability across enterprise-scale environmentsProficiency in Java for back-end application development, including experience with modern frameworks and object-oriented design principlesExperience developing and maintaining front-end solutions using React or comparable ...

98171091088Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior Software Engineer (Java Or Python) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. … escalating, managing and reporting control issues with transparency.Key Skills and Experience requiredAdditional Job DescriptionExperience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPISolid frontend experience with modern JavaScript frameworks (React, Angular ...

experience building and running production-grade services. You're still writing code regularly. You're good at itStrong server-side engineering skills: Kotlin or Java (we’re using Java 21), building and consuming RESTful APIs.Proficiency with relational and/or NoSQL databases: Couchbase, PostgreSQL or MongoDB.Highly Desirable skillsExperience with event … stakeholders to understand requirements and deliver robust backend solutions.AI experience is highly desirable but not mandatoryTools you’ll use (depending on role)Server: Kotlin, Java, Spring Boot, http4k, ktor, PostgreSQL, MongoDB, Apache Kafka, Docker, Kubernetes, Helm, Tekton, HarnessInfra: OpenShift, Tekton, Harness,Mac or PC - It’s up to you.Access ...

Global Banking Technology team, you will own end-to-end delivery of secure, full stack features — turning requirements into solid designs, shipping clean Java code, and improving services built on microservices, Kafka/event-driven patterns, and CI/CD pipelines. You will troubleshoot complex production issues, drive performance … concepts and proficient applied experienceDemonstrated ownership of system design and delivery for production services, including testing strategy, release execution, and operational supportStrong proficiency in Java and common frameworks such as Spring Boot, Hibernate, JPA, and Spring Kafka, including performance tuning and troubleshooting patternsWorking knowledge of microservices and Kafka/event ...

secure, stable code and systemsAdds to team culture of diversity, opportunity, inclusion, and respectRequired qualifications, capabilities, and skillsHands on experience on React Js, Java, Spring Boot microservices, Oracle Databases, Kafka messaging, GKP deployments. Hands-on practical experience in system design, application development, testing, and operational stabilityExperience in developing, debugging ...

certification on software engineering concepts and applied experienceExperience in cloud development, with a focus on application design and development.Proficiency in programming languages such as Java, Python, or Node.js.Strong experience with cloud platforms like AWS, Azure, or Google Cloud Platform. Experience building RESTful APIs and working with event-driven or serverless ...

3+ years of experience as a software engineer within a commercial environment. Proficiency in at least one modern object‐oriented programming language (preferably Java) and willingness to learn new technologies. Proven experience developing microservices and deploying them on major cloud providers (AWS, Azure, or GCP). Working knowledge of containers …/CD pipelines, and version control systems (Git). Knowledge of unit testing, software verification, and design patterns. Nice to Have Advanced proficiency in Java and Gradle. Experience developing microservices using Spring Boot within containerised deployments (Docker/Kubernetes). Proven experience designing and scaling event‐driven and distributed architectures ...

full‐stack, cloud‐native engineer to enhance and maintain our Enhanced OTC Module. This includes building a modern JavaScript front end and a Java‐based backend deployed on Azure Cloud. You will also support both customer‐facing and internal teams through technical troubleshooting and domain expertise.What You Will Be Responsible … moderately complex requirements into scalable, sustainable solutions.Provide architectural input and technical thought leadership within the team’s scope.Develop, test, debug, and implement software using Java, C#, SQL, React, and related technologies.Conduct code reviews and provide clear, constructive technical guidance.Build and maintain automated tests while advancing internal testing frameworks and methodologies.Perform ...

full‐stack, cloud‐native engineer to enhance and maintain our Enhanced OTC Module. This includes building a modern JavaScript front end and a Java‐based backend deployed on Azure Cloud. You will also support both customer‐facing and internal teams through technical troubleshooting and domain expertise. What You Will … requirements into scalable, sustainable solutions. Provide architectural input and technical thought leadership within the team's scope. Develop, test, debug, and implement software using Java, C#, SQL, React, and related technologies. Conduct code reviews and provide clear, constructive technical guidance. Build and maintain automated tests while advancing internal testing frameworks ...

intersection of software engineering and cloud/platform engineering. You’ll be designing, building, and operating modern software solutions using technologies such as Java, Python, C#/.NET and TypeScript , while working closely with cloud platforms and engineering teams to deliver reliable, production‐ready systems. It’s a strong … working, to help teams work more effectively and deliver greater value. What You'll Be Doing Design, build, and maintain software solutions using Java, Python, C#/.NET and/or TypeScript Develop cloud‐native applications across AWS, Azure, or GCP Contribute to system architecture and make key technical decisions ...

ability to make real changes with real business value. Our Tech Stack includes Object-oriented programming forms the bulk of our codebase, currently in Java, versions 11+, and ideally Spring boot framework Highly-scalable, highly-available, cloud-native applications on AWS are key to our next phase of growth … financial domain, especially in risk is beneficial. Experience working with agile process and principles. Experience in multiple programming languages, these teams primarily use Java, so experience with microservices in Java is important. Proficient in different programming languages, ideally being comfortable reading Ruby or Scala. Experience designing event based and streaming ...

complete application lifecycle, from technical design and development through to testing, deployment and continuous improvement.Key ResponsibilitiesDesign, develop and maintain secure full stack applications using Java, Spring Boot, React and TypeScript.Develop scalable backend services and secure RESTful APIs.Build intuitive, accessible and responsive frontend applications.Develop reusable frontend components aligned with established design … continuous improvement of application performance, usability, reliability and security.Essential Skills & ExperienceProven full stack development experience within MOD, Defence, National Security or similarly secure environments.Strong Java development experience.Strong Spring Boot experience.Strong React and TypeScript development experience.Experience designing and developing RESTful APIs.Experience with SQL and/or NoSQL databases.Experience building responsive, accessible ...

/Experience): Bachelor's Degree Active U.S. Secret Security Clearance Ability to obtain Special Program Access 5+ years of experience in backend software development (Java, Spring, Oracle SQL, SQL Server) 5+ years of experience with Go, Python, Java or equivalent server language 5+ years of experience with database technologies using … Experience with concurrency programming Experience with GitLab, CI/CD, Docker, Kubernetes Strong experience with JavaScript frameworks: NodeJS, ReactJS Strong experience with Go or Java Basic C++ or Python Familiar with Kafka, NiFi, Redis, or RabbitMQ Experience developing RESTful APIs for complex datasets Experience leading projects Experience with AWS cloud ...

development, testing, CI/CD and cloud deployment while working with experienced engineers and technical stakeholders. What Were Looking For Strong commercial experience with Java, Python, C#, Go or TypeScript Experience with AWS, Azure or GCP Hands-on CI/CD experience using GitHub Actions, Jenkins, GitLab CI or similar ...

DevSecOps practices, with experience across modern CI/CD pipelines.Expertise in cloud-based application design and delivery, with proficiency in technologies such as Java, SQL, JavaScript, Git and related engineering toolsets.Excellent communication and stakeholder management skills, with the ability to explain complex technical concepts and influence decision-making.Experience mentoring … logistics, freight and haulier integrations, and third-party transport planning and execution systems.Tech stack The teams use a variety of technologies, including: Languages & Frameworks: Java (Spring Boot), .NET, Angular, Angular JS, React, TypeScript, Playwright, Cucumber, Jmeter, Python, AI/ML Cloud & Infrastructure: Azure IAAS and PAAS services and apps, Docker ...

environments.Strong understanding of software engineering principles, design patterns, automated testing practices and DevSecOps, with experience working across modern CI/CD pipelines.Technical proficiency in Java, SQL, JavaScript and related engineering tools, with experience designing and delivering secure cloud-based applications.Excellent communication and collaboration skills, with the ability to explain complex … with complex stored procedure architectures, supporting modernisation and transformation initiatives.Tech stack The teams use a variety of technologies, including: Languages & Frameworks: PL/SQL, Java (Spring Boot), .NET, Angular, Angular JS, React, TypeScript, Playwright, Cucumber, Jmeter, Python, AI/ML Cloud & Infrastructure: Azure IAAS and PAAS services and apps, Docker ...