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: 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...

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.

Python Full Stack Developer - Agentic AI/LLM, RAG - Contract

Added 17/03/2026

Python Full Stack Developer - Agentic AIMy client is seeking a Python Full Stack Developer with hands‑on agentic AI experience.Must have:Strong Python experienceAgentic AI experience (multi‑agent design, agent skills, progressive disclosure)Context & prompt engineeringAWS Bedrock, DockerMCP, agentic tools, bash scriptingFamiliarity with REST APIs, relational databasesNice to have:Claude Code LLM observability, logging/tracing, MLflowHands‑on building and scaling agentic AI systems in production.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.

Python Full Stack Developer -AI/LLM, RAG, LangChain - Contract

Added 20/02/2026

Python Full Stack Developer (AI/LLM, RAG, LangChain, APIs) - ContractLocation: Remote (UK) Start: ASAP Project: AI/LLM Product Engineering - RAG + API Platform OverviewWe're hiring a hands-on Python Full Stack Developer to build and scale AI-enabled applications using LLMs, RAG, and LangChain. You'll develop production-grade APIs and end-to-end features, integrating LLM workflows into secure, reliable services and modern web interfaces. Key ResponsibilitiesBuild and maintain backend services and APIs using Python (FastAPI/Django/Flask).Implement RAG pipelines (document ingestion, chunking, embeddings, retrieval) and integrate LLM workflows using LangChain.Develop front-end features for AI experiences using JavaScript/TypeScript and modern frameworks (React/Next.js or similar).Integrate third-party/internal APIs and...

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.

Full Stack Tech Lead - C#/.NET | React/Next.js|GCP

Added 12/02/2026

One of our clients is looking for a hands-on Full Stack Tech Lead to join them on a 12-month contract based in Kings Cross, London.This is a key technical leadership role, responsible for driving the architecture and delivery of a large-scale, cloud-native platform integrating with external financial, risk, and payment services. The position combines strategic architectural oversight with 60-75% hands-on development. Job Title: Full Stack Tech Lead Location: Kings Cross, London Contract: 12 Months Rate: CompetitiveKey Requirements:Expert-level C# / .NET (backend services, APIs, high-throughput systems)Strong React / Next.js experience (including SSR & optimisation)Extensive experience with Google Cloud Platform (GCP)Experience integrating...

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...