Principal Android Engineer

Added 02/08/2025

GCS is currently looking to hire on an urgent freelancing opportunity for a Principal / Senior Android Engineer role working on a cutting-edge banking super-app using Kotlin and Jetpack Compose. It's a freelance contractual position for 6 months initially with one of our clinets based in Amsterdam, Netherlands or Krakow, Poland.We're looking for someone with:7+ years mobile engineering, 4+ years deep Android/Kotlin experienceStrong production experience with Jetpack Compose, Material 3, and modern Android architectureProven modular Gradle projects and CI/CD ownershipExpertise in testing, dependency injection, offline-first persistence, and performance toolingA security-first mindsetThis role offers flexibility - based in Kraków, Amsterdam, or...

Senior Data Engineer

Added 01/10/2025

Role: Senior Data Engineer (Contract) Duration: 6 months - extension likely Location: [Remote] Start Date: ASAPAbout the Role: Our client, a leading organisation currently undergoing a merger, is seeking a Senior Data Engineer to join on a 6-month contract. The successful candidate will play a key role in a large-scale data integration project, focused on migrating and merging data into a central Snowflake data warehouse.Key Responsibilities:Design, build, and maintain data pipelines to support large-scale integrations.Develop and optimize data models with dbt (Core/Cloud).Support data migration and consolidation into Snowflake.Work closely with business and technical stakeholders to ensure data quality and consistency.Apply...

Senior Frontend Engineer (Angular)

Added 26/09/2025

Role Overview We are looking for an experienced Senior Frontend Engineer to design and deliver modern single-page web applications. The role involves shaping scalable client-side solutions, ensuring code quality, and working closely with cross-functional teams to build engaging user experiences. Role: Senior Frontend Engineer (Angular)Type: Permanent/Contract roleLocation: Dublin, Ireland (Hybrid) ResponsibilitiesDevelop and maintain interactive applications using a modern component-based framework.Design efficient architectures and implement best practices for performance and accessibility.Integrate with APIs and real-time data sources.Contribute to testing, code reviews, documentation, and agile ceremonies.Collaborate with engineers, designers, QA, and product stakeholders to deliver features.Skills & Tech5+ years building production-grade single-page...

Senior Network Engineer

Added 26/09/2025

Senior Network Engineer -Key ResponsibilitiesNetwork planning and design.Installation and configuration of complex network infrastructures.Designing and implementing security solutions based on industry-standard products.Configuring and maintaining firewall solutions, updating security systems to ensure data and communications protection.Acting as a point of escalation for advanced troubleshooting, supporting other team members in specialist networking areas.Designing and implementing disaster recovery processes.Staying current with networking and security best practices to deliver optimum protection and solutions.Creating and maintaining accurate network documentation.Supervising network implementations.Supporting presales activities by providing technical input.Contributing to overall technical excellence within the IT function.Skills & Experience RequiredStrong knowledge in networking and security.Familiarity with diagnostic...

Senior MacOS Networking Engineer

Added 23/09/2025

Role - Outside IR35, candidates must have their own Ltd Company, this role is fully remote working.Job Title: Senior macOS Networking EngineerMy client is seeking an experienced macOS developer with deep expertise in the networking stack. The role involves designing and implementing a system-level networking module capable of intercepting, analyzing, and transforming data flows. The engineer will be responsible for evaluating the best technical approach available within macOS frameworks and delivering a production-ready solution.ResponsibilitiesEvaluate and recommend the most suitable macOS networking framework or extension type to achieve project goals.Design and implement a robust module for real-time interception and transformation of...

Senior DevOps Engineer - AI Project

Added 20/09/2025

Staff AI DevOps EngineerAbout the Role We're looking for a Staff AI DevOps Engineer to help build and scale the backbone of a next-generation AI platform for our client. This is a hands-on leadership role where you'll design and implement automation, CI/CD, and Infrastructure as Code (IaC) to enable secure, rapid deployment of intelligent agents and AI workloads at scale.You'll be driving the adoption of modern DevOps, DevSecOps, and MLOps practices across the stack - ensuring infrastructure is reliable, observable, and cost-efficient while supporting continuous delivery of high-performance AI solutions.What You'll DoDesign and manage CI/CD pipelines to accelerate delivery of...

Senior Reliability & Cloud Operations Engineer

Added 04/09/2025

Role Overview We are seeking a highly skilled Senior Reliability & Cloud Operations Engineer to ensure the reliability, security, and scalability of a large-scale SaaS platform hosted in the cloud. You will play a key role in maintaining 24/7 uptime, optimizing infrastructure, automating deployments, and resolving complex issues. The role requires deep cloud expertise, strong DevOps practices, and close collaboration with support and engineering teams. This is a permanent, full-time position in a fast-paced and dynamic environment. Role type: Permanent roleLocation: Dublin or Galway, Ireland (Once a week onsite) Key ResponsibilitiesManage and optimize cloud-based (AWS expert) infrastructure to ensure high...

Senior Process Engineer

Added 26/08/2025

We are seeking an experienced Senior Process Engineer to join our operations team, working closely with both product development and manufacturing groups to design and implement next-generation, high-performance production processes. This position will play a key role in multiple projects, from early concept development and automation through to scaled deployment on the production floor. Role type: Contract - 12 monthsLocation: Dublin, Ireland (Hybrid) Core ResponsibilitiesDesign and implement reliable, high-yield processes that consistently achieve product quality and efficiency targets.Optimize equipment and process technologies to ensure successful scale-up from pilot to full production.Partner with product design teams to ensure smooth transfer of...

Senior Data Engineer

Added 20/08/2025

OverviewWe are looking for an experienced Senior Data Engineer with strong hands-on skills in Databricks, Snowflake, AWS, Spark, Airflow, Python, and SQL. The ideal candidate can take high-level architecture and independently deliver robust, production-ready code using best practices and test-driven development (TDD).ResponsibilitiesBuild and maintain scalable data pipelines using Databricks, Spark, Airflow, and Snowflake.Write clean, testable code in Python and SQL.Deploy and optimize solutions in AWS.Ensure data quality, performance, and reliability.Work independently to deliver end-to-end solutions.RequirementsProven experience as a Data Engineer.Mandatory expertise in: Databricks, Snowflake, AWS, Spark, Airflow, Python, SQL.Strong grasp of data engineering best practices and TDD.GCS is acting as...

Senior Network Engineer

Added 18/08/2025

Job Title: Senior Network Engineer Location: Ireland - Occasional travel to an office locationRole Overview: A leading technology organization is seeking a highly skilled and motivated Senior Network Engineer to support and expand its cloud and hybrid networking capabilities. The successful candidate will play a key role in designing and implementing network solutions across public cloud platforms-specifically Microsoft Azure and Google Cloud Platform (GCP)-while ensuring seamless integration with on-premises infrastructure. A strong foundation in Infrastructure as Code (IaC) and modern network security is essential.Key Responsibilities:Cloud Network Architecture: Design, deploy, and manage network solutions within Azure and GCP environments, including configuration...

Senior Database Engineer

Added 30/07/2025

Client:We are currently partnered with an AI-powered banking platform trusted by financial institutions around the world to streamline and enhance their digital customer experiences. Here's some headliners about the opportunity: Role:Senior Database EngineerAmsterdam - hybrid modelPermanent contractAbout the role:The role is focused on product development within a feature team environment. The ideal candidate will have experience working closely with developers to design scalable database structures, support performance testing, and occasionally jump in to troubleshoot production issues.Strong performance tuning skills are a plus, though not the primary focus. Experience with Azure SQL, Oracle, or MySQL is relevant. What's really key is...

Senior Network & Security Engineer

Added 17/07/2025

I'm seeking a Senior Network & Security Engineer to spearhead the design and deployment of cutting-edge networking solutions that drive my client's business forward. Working closely with the client's Global IT Team and reporting to the Global Head of IT, you will ensure network infrastructure is robust, scalable, and secure - ready to support current needs and future growth. Dublin-based, hybrid role. What You'll Do:Lead the design and implementation of scalable, agile network solutions aligned with business goals.Troubleshoot complex issues related to routing, switching, security, and data centre environments.Plan and execute network capacity upgrades to maintain optimal performance.Refine and document...

Senior Analytical Engineer

Added 04/07/2025

I'm hiring for a Senior Analytics Engineer to join a fast-growing company in Utrecht that's building an entirely new data team from scratch. This is a fantastic opportunity to shape the data strategy from the ground up and create impactful solutions in the finance sector. We're looking for someone who: ✅ Has strong SQL and DBT experience (DBT is a must-have)✅ Comes with a solid background in the finance domain✅ Understands cloud data warehousing and modern ELT pipelines✅ Knows how to turn data into real business value✅ Is fluent in Dutch✅ Can work 2 days a week onsite in Utrecht...

Senior Infrastructure Operations Engineer

Added 30/06/2025

We are looking for a skilled and experienced Senior Infra Ops Engineer to join our technology team. You will play a critical role in managing and enhancing IT infrastructure, ensuring the performance, reliability, and security of both on-premise and cloud environments. This is a hands-on role, ideal for someone who thrives in a fast-paced, collaborative environment. Job Title: Senior Infrastructure Operations Engineer Location: Dublin, Ireland (Hybrid)Type: Permanent role Key Responsibilities:Manage and maintain cloud and on-prem infrastructure, including servers, networking, and storage.Monitor system health, troubleshoot issues, and optimise performance.Apply and maintain security controls, in alignment with InfoSec policies and audit requirements.Lead...

Senior System Engineer

Added 25/06/2025

Freelance / ZZP Role for a Senior System Engineer Currently looking for a Senior System Engineer for a new freelance assignment. This would be for a client based in Amsterdam and would be looking for Hybrid working. We are searching for people experienced in: You have experience in programming and automationExperience of running Data platform on public cloud (preferably Azure)Experience with Azure Databricks is a plusExperience with running production environments on Azure is a plusYou are experienced with cloud environments and using desired state configuration to manage them (Terraform is preferred)Containerised workloads have no secrets for youYou have experience with...