Senior UI Developer (React / Java)

Added 05/05/2026

We are hiring a Senior UI Developer to join a leading banking client working on a greenfield electronic trading platform within their Fixed Income technology team.This is a hands-on development role building a next-generation eTrading application used by front office traders and sales teams to price, quote, and execute trades in real time.London (Liverpool Street) | Hybrid (50% office)💰 Up to £900-1000 per day (Inside IR35)📅 12-month contractThey're looking for someone with:Strong React + AG Grid experience building trading UIsSolid Java backend Front office eTrading / Fixed Income or FX backgroundExperience with low-latency systems & RFQ workflowsIt's a hands-on build...

Senior Java Engineer (reliability & observability)

Added 20/03/2026

Purpose of the roleTo design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. AccountabilitiesDevelopment and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.Stay informed of industry technology trends and innovations and actively...

Sr. Full Stack Java Developer

Added 19/05/2026

🚀 Senior Full Stack Developer - IAM📍 Locations: Atlanta 📄 Type: 12+ months ContractWe're looking for a Senior Full Stack Developer to build and support secure IAM (Identity & Access Management) applications in a cloud-first environment.🔧 Key ResponsibilitiesDevelop secure full stack applications (Angular + Java/Spring Boot)Build and maintain REST APIsImplement authentication & authorization (OAuth2, OIDC, JWT)Support AWS cloud-native and migration initiativesCollaborate with cross-functional teams and lead technical efforts✅ RequirementsStrong experience in Angular (latest versions) + Java 17 + Spring BootHands-on AWS (Lambda, S3, ECS/Fargate, DynamoDB)Solid understanding of IAM & security best practicesExperience with Spring Security & secure API designKnowledge of...

Sr. Full Stack Java Developer

Added 19/05/2026

🚀 Senior Full Stack Developer - IAM📍 Location: Philadelphia, PA (Remote Available) 📄 Type: Long-Term ContractWe're looking for a Senior Full Stack Developer to build and support secure IAM (Identity & Access Management) applications in a cloud-first environment.🔧 Key ResponsibilitiesDevelop secure full stack applications (Angular + Java/Spring Boot)Build and maintain REST APIsImplement authentication & authorization (OAuth2, OIDC, JWT)Support AWS cloud-native and migration initiativesCollaborate with cross-functional teams and lead technical efforts✅ RequirementsStrong experience in Angular (latest versions) + Java 17 + Spring BootHands-on AWS (Lambda, S3, ECS/Fargate, DynamoDB)Solid understanding of IAM & security best practicesExperience with Spring Security & secure API...

Sr. Full Stack Java Developer

Added 19/05/2026

🚀 Senior Full Stack Developer - IAM📍 Locations: Chicago 📄 Type: 12+ months ContractWe're looking for a Senior Full Stack Developer to build and support secure IAM (Identity & Access Management) applications in a cloud-first environment.🔧 Key ResponsibilitiesDevelop secure full stack applications (Angular + Java/Spring Boot)Build and maintain REST APIsImplement authentication & authorization (OAuth2, OIDC, JWT)Support AWS cloud-native and migration initiativesCollaborate with cross-functional teams and lead technical efforts✅ RequirementsStrong experience in Angular (latest versions) + Java 17 + Spring BootHands-on AWS (Lambda, S3, ECS/Fargate, DynamoDB)Solid understanding of IAM & security best practicesExperience with Spring Security & secure API designKnowledge of...

Sr. Full Stack Java Developer

Added 19/05/2026

🚀 Senior Full Stack Java Developer - IAM📍 Locations: Austin 📄 Type: Long-Term ContractWe're looking for a Senior Full Stack Developer to build and support secure IAM (Identity & Access Management) applications in a cloud-first environment.🔧 Key ResponsibilitiesDevelop secure full stack applications (Angular + Java/Spring Boot)Build and maintain REST APIsImplement authentication & authorization (OAuth2, OIDC, JWT)Support AWS cloud-native and migration initiativesCollaborate with cross-functional teams and lead technical efforts✅ RequirementsStrong experience in Angular (latest versions) + Java 17 + Spring BootHands-on AWS (Lambda, S3, ECS/Fargate, DynamoDB)Solid understanding of IAM & security best practicesExperience with Spring Security & secure API designKnowledge of...

Sr. Full Stack Java Developer

Added 19/05/2026

🚀 Senior Full Stack Java Developer - IAM📍 Locations: New York City 📄 Type: Long-Term ContractWe're looking for a Senior Full Stack Developer to build and support secure IAM (Identity & Access Management) applications in a cloud-first environment.🔧 Key ResponsibilitiesDevelop secure full stack applications (Angular + Java/Spring Boot)Build and maintain REST APIsImplement authentication & authorization (OAuth2, OIDC, JWT)Support AWS cloud-native and migration initiativesCollaborate with cross-functional teams and lead technical efforts✅ RequirementsStrong experience in Angular (latest versions) + Java 17 + Spring BootHands-on AWS (Lambda, S3, ECS/Fargate, DynamoDB)Solid understanding of IAM & security best practicesExperience with Spring Security & secure API...

Sr. Full Stack Java Developer

Added 19/05/2026

🚀 Senior Full Stack Java Developer - IAM📍 Locations: San Francisco 📄 Type: 12+ months ContractWe're looking for a Senior Full Stack Developer to build and support secure IAM (Identity & Access Management) applications in a cloud-first environment.🔧 Key ResponsibilitiesDevelop secure full stack applications (Angular + Java/Spring Boot)Build and maintain REST APIsImplement authentication & authorization (OAuth2, OIDC, JWT)Support AWS cloud-native and migration initiativesCollaborate with cross-functional teams and lead technical efforts✅ RequirementsStrong experience in Angular (latest versions) + Java 17 + Spring BootHands-on AWS (Lambda, S3, ECS/Fargate, DynamoDB)Solid understanding of IAM & security best practicesExperience with Spring Security & secure API...

Backend Software Developer (Java/Spring Boot)

Added 31/03/2026

Job Description:We are seeking a Backend Software Developer with expertise in Java and Spring Boot to build robust and scalable enterprise applications. The ideal candidate will have strong problem-solving skills and experience working in agile environments.Key Responsibilities:Develop backend services using Java and Spring BootDesign and manage databases and data modelsBuild secure and high-performance APIsParticipate in system design and architecture discussionsDebug, troubleshoot, and improve existing systemsCollaborate with cross-functional teamsRequired Skills & Qualifications:4+ years of experience in backend developmentStrong knowledge of Java and Spring Boot frameworkExperience with relational databases (MySQL, PostgreSQL)Understanding of RESTful services and API designFamiliarity with build tools like Maven...

Java Developer

Added 26/03/2026

Job Description: Description: Responsibilities: * Creation, management and operation of a diverse set of Dev-Ops-related tools, processes, paradigms and technologies that enable the creation and ongoing operation of the Signify IoT Platform. * Focus on the creation of horizontal tools, technologies and best-practices that enable and support all the IoT Platform engineering teams to build, debug, test, release, manage and secure the IoT Platform's modern, microservices-based cloud infrastructure. * Collaborate in defining the methodologies and ways-of-working that will enable our fast-paced engineering teams to flourish as we collectively build-out the IoT Platform. You will help promote and implement best practices...

Bigdata Java developer- Hybrid/Farnborough

Added 26/03/2026

Job Description:JavaSpring bootExperience with one of UI technologyExpertise in key technologies to be leveraged by the team including Java, CI/CD technologies.Experience in S3, Snowflake, PostgresExperience working with containerization and orchestration platforms (Kubernetes/Openshift) and cloud providers like AWS, Azure, GCP or others.Experience in key technologies to be leveraged by the team including Java, CI/CD technologiesExperience working with a variety of data platforms such as S3, SnowflakeExperience building and implementing API service architecturesUnderstanding of software testing principles and methodologiesExperience in high availability & scalability design, as well as performance monitoringGCS is acting as an Employment Business in relation to this vacancy.

Big Data Java Developer

Added 26/03/2026

About the Role: We are looking for a highly skilled Big Data Java Developer to join our team. The ideal candidate will have a strong foundation in Java and Spring Boot, experience with modern UI technologies, and deep expertise in cloud-based data platforms and CI/CD practices. This role involves designing, developing, and maintaining scalable, high-performance solutions in a fast-paced, dynamic environment.Key Responsibilities:Design, develop, and maintain robust applications using Java and Spring Boot frameworks.Build and implement API service architectures to support application and data workflows.Work with front-end technologies to deliver integrated UI solutions.Leverage CI/CD tools to streamline development, testing, and deployment...

Lead Java Developer

Added 05/02/2026

Title: Lead Java DeveloperDuration: PermanentLocation: Dublin, Ireland(Hybrid)Key Responsibilities* Provide technical leadership and direction to a small team of Java developers* Design, review, and own enterprise-grade Java solutions* Lead development across the full lifecycle: design, build, testing, release, and support* Review and approve technical designs and implementation approaches* Guide integration with internal and third-party systems using REST and SOAP APIs* Oversee development of frontend components using JavaScript and Angular / AngularJS* Ensure effective use of relational databases and SQL* Lead code reviews, quality assurance, and controlled releases* Support estimation, planning, and task breakdown* Mentor developers and support ongoing technical upskilling* Identify...

Backend Java Engineer (12 Month contract)

Added 19/03/2026

Backend Java Engineer (12‑month contract)Dublin - Hybrid/OnsiteWe're supporting a major voice‑technology organisation in scaling their third‑party (3P) API integrations across multiple countries. The team is growing and now looking for Backend Java Engineers to join an established engineering group delivering real, high‑impact user experiences.What You'll Work OnEnhancing and scaling existing 3P API integrationsLocalising integrations for new international marketsWorking directly inside an established backend teamPicking up active workstreams with full onboarding supportContributing to distributed, high‑scale systems used globallyCore Requirements✔ Strong Backend Java engineering ✔ API integration experience ✔ Microservices architecture ✔ Distributed systems ✔ Cloud platform experience (AWS‑equivalent acceptable) ✔ Ability...

Senior Full Stack Developer - Security

Added 19/05/2026

Senior Full Stack Developer - Identity & Access ManagementPosition SummaryWe are seeking an experienced Senior Full Stack Developer to join a high-performing engineering team supporting enterprise Identity & Access Management (IAM) applications within a large-scale security organization. This role will focus on the design, development, integration, and modernization of secure enterprise applications used internally across the organization.The ideal candidate will possess strong expertise across both frontend and backend development, with deep experience in Angular, Java, Spring Boot, REST API development, cloud-native AWS services, and secure application development practices. This individual will play a key technical leadership role within the team,...