Java Full stack developer

Added 04/06/2026

We are excited to announce a fully remote opportunity with a leading financial client based in Poland. We're looking for talented Full stack engineer who are passionate about building modern web applications and have strong expertise in Java, Springboot, Microservices, React, CSS and NX Monorepo. Key requirements:Strong experience in Java and Spring BootHands-on expertise with microservices architectureFrontend development experience with React and TypeScriptExperience working with Nx monorepo setups and CSSMandatory experience with authentication systems such as Keycloak and OAuth2Good experience in Microfrontends.Background in building and shipping scalable applications with reusable componentsSolid understanding of SDLC processes, CI/CD automation, and deployment pipelines...

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...

Full Stack Developer

Added 17/07/2026

Full Stack Developer (Contract)Location: Remote (UK) Contract Length: 6 Months Day Rate: £400 per day OUTSIDE IR35Tech Stack: C#, SQL, Vue.js OverviewWe are seeking an experienced Full Stack Developer to support the re-engineering and modernisation of a core business platform. The successful candidate will play a key role in migrating an existing application from .NET Framework 4.1 to .NET 10, helping to improve performance, scalability, maintainability and cloud readiness.Working within an agile development team, you will contribute across the full software development lifecycle, from architecture and design through to development, testing and deployment.Key ResponsibilitiesRedevelopment and modernisation of an existing platform...

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,...

Full Stack Developer (.Net/JavaScript)

Added 23/04/2026

Job Title: Senior .NET/JavaScript Full Stack Developer Location: Limerick (Hybrid 2 days flexible) Type: 6 Months contract (with possible extension)Overview: We are seeking a highly skilled Senior Full Stack Developer with strong expertise in .NET and JavaScript to join our dynamic engineering team. The ideal candidate will have a proven track record of building scalable web applications and delivering high-quality code across the full stack. Key Responsibilities:Design, develop, and maintain full-stack web applications using .NET (C#) and JavaScript frameworks (e.g., React, Angular, or Vue).Collaborate with cross-functional teams to define, design, and ship new features.Ensure the performance, quality, and responsiveness of...

Full Stack Developer- Python/AI

Added 14/04/2026

Job Description: Strong full stack Python engineering experienceHe has extensive experience building Python backend services and APIs alongside React/TypeScript frontendsHe has extensive experience with Agentic LLM platforms to include designing and implementing multi agent systemsDesigned and built a multi agent system using LangGraphStrong RAG experience and has built Python based RAG pipelinesGCS is acting as an Employment Business in relation to this vacancy.

Python Full Stack Developer - Agentic AI- Contract

Added 24/03/2026

Python Full Stack Developer - Agentic AIMy client is seeking a Python Full Stack Developer with AI experience.Must have:Strong Python, Javascript, tyepscript experienceAgentic AI experience (multi‑agent design, agent skills, progressive disclosure)Context & prompt engineeringAWS Bedrock, DockerFamiliarity with REST APIs, relational databases Please send across an updated CV if this position is of interestInterviews to take place this weekGCS is acting as an Employment Business in relation to this vacancy.

Full Stack Software Engineer

Added 14/07/2026

Full Stack Software Engineer (React | Go/Node.js/Python | AWS)About the RoleWe are looking for an experienced Full Stack Software Engineer to join a collaborative engineering team building modern, scalable web applications. This role combines frontend development, backend engineering, cloud technologies, and AI-driven solutions, offering the opportunity to work on innovative products that include live video capabilities and intelligent automation.You will work closely with Product Managers, UX Designers, and fellow Engineers to deliver high-quality features that provide an exceptional user experience while maintaining robust, scalable backend services.Key ResponsibilitiesDesign, develop, and maintain responsive web applications using React.js.Build intuitive, high-performance user interfaces with...

Full Stack Quality Engineer

Added 04/06/2026

**Job Title: Senior QA Automation Engineer (Full-Stack Quality Engineer)**### About the RoleWe are seeking a highly skilled **QA Automation Engineer** to join our engineering team. In this role, you will design, develop, and maintain robust automated testing solutions for complex, modern web applications built on microservices architecture. You will bridge development and quality by writing production-grade code for test automation, ensuring high reliability, scalability, and performance across our stack. This is a hands-on, code-heavy position ideal for someone who loves both testing and software engineering.### Key Responsibilities- Develop, maintain, and scale end-to-end (E2E), API, integration, and performance test automation frameworks.-...

Full Stack Software Engineer

Added 09/04/2026

FULL STACK SOFTWARE ENGINEERJob Title: Full Stack Software Engineer Location: Minnetonka, MN Industry: Manufacturing / Automation / Fiber OpticsDetailed Job Description:We are seeking a Full Stack Software Engineer to join a growing automation engineering team developing custom manufacturing equipment and production systems for a high-volume fiber optics environment. This role spans the full application stack - from backend services and data pipelines to frontend interfaces and dashboards - supporting industrial automation systems, equipment integration, and manufacturing operations.You will build end-to-end software solutions that connect automation equipment to the people who operate and manage it. This includes production monitoring dashboards, equipment...

AI Full Stack Engineer

Added 09/04/2026

Required SkillsStrong experience with Python (backend development)Solid frontend skills in React + TypeScriptHands-on experience with LLMs (OpenAI, open-source models, etc.)Proven work with RAG architectures (LangChain, LlamaIndex, vector DBs like Pinecone, Weaviate, etc.)Experience building end-to-end full stack applicationsFamiliarity with cloud platforms (AWS / Azure / GCP)Understanding of API design, microservices, and system scalability GCS is acting as an Employment Business in relation to this vacancy.