GCS Recruitment
Open positions
Senior Fullstack Engineer: AI Frontend on Azure Hybrid
GCS Recruitment is hiring two Senior Fullstack Engineers for an energy-sector client project on Azure: leading scalable front-end architecture, handling data-intensive processing, and integrating AI APIs into production web apps, with Docker and CI/CD; hybrid work from London.
Senior Fullstack Engineer x2
Six-month contract (inside IR35, £450/day) via GCS Recruitment for an established energy company: build scalable React/TypeScript front-ends with Python, deployed on Azure and integrated with LLM-based and agentic AI services. Hybrid, 2 days a week in London.
Senior React Full-Stack Engineer: Azure Cloud & AI
Senior full-stack engineer designing and delivering scalable web applications with React and Python, deployed on Microsoft Azure (AWS as fallback). Day to day involves collaborating with backend, cloud, and AI teams on large-data and AI-driven components, performance optimisation, and deployment pipelines.
Senior Full Stack Developer
Senior Full Stack Developer building AI-powered web applications on Microsoft Azure for an enterprise Agentic AI programme — designing React front ends and Python/TypeScript back ends, integrating LLM-based services, APIs and microservices, and deploying with Docker and CI/CD. Hybrid role based in London.
Senior Kubernetes DevOps Engineer | GitOps & CI/CD Expert
GCS Recruitment seeks a hands-on Senior DevOps Engineer in Salfords, UK, to build and optimise container-based applications: managing Kubernetes environments, implementing GitOps with Argo CD, and shaping CI/CD pipelines with GitHub Actions from development through production, while collaborating with platform teams across the software lifecycle.
Senior Data Engineer
12-month hybrid contract in Dublin building and maintaining ETL/data pipelines into centralised data platforms for a large, regulated organisation. Core stack: PySpark/Spark, SQL (SQL Server), Azure Databricks, Snowflake, and orchestration with Azure Data Factory or Airflow, plus data governance and CI/CD.
Senior Java Backend Engineer | Cloud/SaaS, Hybrid Dublin
Senior backend engineer building Java/Spring Boot cloud services for a large-scale enterprise SaaS platform, hybrid from Dublin (3+ days/week in office). Day-to-day involves REST APIs, integrations, data processing, performance tuning, and CI/CD on AWS with Docker/Kubernetes. No visa sponsorship.
Senior Software Engineer (Java/AWS)
Senior backend engineer designing and building cloud-native SaaS services in Java/Spring Boot on AWS for a global enterprise software company, hybrid from Dublin. Work spans REST APIs, distributed systems, Docker/Kubernetes, CI/CD, observability, and AI-assisted development.
Senior AWS Cloud Engineer — Hybrid, Cloud-Native & DevOps
Senior AWS Cloud Application Engineer on a long-term hybrid contract, embedded with a major financial services client's cloud transformation programme. Day to day: defining AWS standards and guardrails, supporting app modernisation and cloud migration, and coaching delivery teams on cloud-native architecture, Step Functions and CI/CD.
Senior Full-Stack Engineer
Contract senior full-stack engineer in Abu Dhabi building end-to-end architecture for enterprise AI agents: React/Next.js chat frontends plus secure backend orchestration layers, RAG/vector search (Weaviate), and SAP S/4HANA integration for defense-grade infrastructure.
Senior Full-Stack Engineer - AI-Driven Enterprise Platform
Contract role via recruiter GCS Recruitment for a senior full-stack engineer in Abu Dhabi working on a large-scale enterprise AI transformation: building dynamic frontend apps and on-premise microservices, with secure API orchestration for LLMs integrated with SAP and enterprise data, delivered under a Stage Gate model.
Senior Java Backend Engineer - Remote (Poland) 12-Month
Senior Java backend engineer on a 12-month B2B/freelance contract (remote within Poland, Kraków hub) designing and scaling microservices-based backend services with Java, Spring Boot, and integration frameworks like Apache Camel and Spring Integration, while mentoring and coaching developers across international client teams.
Senior DevOps Engineer: AI-Powered Tooling & Azure Cloud
Senior DevOps Engineer (hired via GCS Recruitment, employer unnamed) to lead enterprise DevOps and AI-assisted engineering platforms: automation, CI/CD, Kubernetes and Azure cloud infrastructure, plus developer tooling — introducing AI coding tools like GitHub Copilot and Claude Code across delivery, testing, quality and operations.
Senior Azure DevOps Engineer - DevOps & AI Tooling
Senior DevOps Engineer leading enterprise DevOps and AI-assisted engineering platforms: driving automation, CI/CD, Kubernetes, cloud infrastructure and developer tooling, while introducing AI tools like GitHub Copilot and Claude Code into software delivery, testing and operations. Hired via GCS Recruitment in the UK.
Data Engineer
Senior Data Engineer (contract, Abu Dhabi) who architects enterprise data lakehouses and pipelines — extracting data from SAP S/4HANA/Ariba, building RAG-ready unstructured pipelines with vector databases, and enforcing governance — to power AI agents and supply-chain forecasting. Core stack: Python, SQL, Spark, Kafka, Airflow, Databricks, Docker/Kubernetes.
Senior Data Engineer: AI Data Lakehouse Architect - Remote
Senior Data Engineer who architects enterprise data lakehouses and secure on-premise pipelines for a large-scale AI transformation in Abu Dhabi. Day to day: integrating SAP S/4HANA, Ariba and PLM data, implementing governance and RBAC, and managing vector data to enable near real-time forecasting and AI-enabled analytics.
Senior DevOps Engineer
Senior DevOps Engineer joining an observability team at an energy-sector client in Amersfoort (hybrid, 1-2 days onsite), building and evolving a cloud-native observability platform on AWS and Kubernetes for multiple DevOps teams. 6-month contract with extension option; stack includes Terraform, Helm, GitLab, ArgoCD, Prometheus and Grafana.