Principal .NET engineer

Added 01/10/2025

We're hiring Back-End Lead / Principal .NET engineers for a greenfield AI platform (Azure, microservices). Dublin hub, hybrid. Worth a quick chat? Looking for contractors and Perm. Brief Description: Tech Stack: .NET Core, Azure services, microservices, and event-driven architectures, along with hands-on experience in GitHub/GitHub Actions for CI/CD. If you're interested, I'd love to connect and discuss further. Would you be available for a quick call today or tomorrow? I look forward to hearing from you soon.GCS is acting as an Employment Agency in relation to this vacancy.

Principal .NET engineer

Added 01/10/2025

We're hiring Back-End Lead / Principal .NET engineers for a greenfield AI platform (Azure, microservices). Dublin hub, hybrid. Worth a quick chat?Looking for contractors and Perm.Brief Description: Tech Stack: .NET Core, Azure services, microservices, and event-driven architectures, along with hands-on experience in GitHub/GitHub Actions for CI/CD. If you're interested, I'd love to connect and discuss further. Would you be available for a quick call today or tomorrow? I look forward to hearing from you soon.GCS is acting as an Employment Agency in relation to this vacancy.

Senior Android Engineer

Added 04/08/2025

Senior Android Engineer | FreelancerClient: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 Android EngineerAmsterdam OR Krakow - hybrid modelFreelance contractAbout the role: We're looking for a Senior Android Engineer to join and help build a next-gen banking super-app. You'll take ownership of Kotlin + Jetpack Compose features, build pixel-perfect, secure, and scalable mobile experiences, and collaborate closely with Product and Design teams to deliver accessible, high-performance apps used globally.In this role, you'll work with modern Android architecture...

ML Engineer (machine learning engineer) contract- remote

Added 23/09/2025

Machine Learning Engineer (Contract)Enterprise AI & Data IntegrationLocation: Remote with travel to London- once every two weeksContract: 6 months + possible extensionAbout the ClientOur client is a leading enterprise driving AI innovation at scale, leveraging Microsoft Azure and vast enterprise data ecosystems to unlock actionable insights and automation. They're seeking a Machine Learning Engineer with solid AI expertise and hands-on experience accessing and integrating complex data for AI consumption.Role OverviewAs a Machine Learning Engineer, you will design, build, and deploy scalable ML models and pipelines tailored to enterprise data. You'll work within Azure cloud environments, collaborating across teams to harness...

Infrastructure Engineer (VP )- Banking client- 2 Days onsite

Added 10/10/2025

Purpose of the role To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response. To be successful in this role as an Infrastructure Engineer - Production Network Engineering, you should possess the following skillsets:Extensive experience as an individual contributor in the design, build and operate of Telco...

Azure Platform Engineer, terraform, data, MLops, devops

Added 08/10/2025

Azure Platform Engineer - Data / Terraform / MLOps - Hybrid Location: Hybrid (London / Remote - UK Based) Start Date: ASAP Duration: 6 months initialOverview:We are looking for a talented Azure Platform Engineer with solid data engineering and MLOps experience to join a forward-thinking data platform team. You will play a key role in building and optimising Azure-based infrastructure to support large-scale data and machine learning workloads.This role sits at the intersection of DataOps, DevOps, and MLOps - ideal for engineers who thrive on automation, scalability, and cloud-native design.Key Responsibilities:Design, build, and maintain Azure data and ML platform infrastructureDevelop...

Azure Platform Engineer - Azure ML Studio, Terraform- Contract

Added 07/10/2025

Azure Platform Engineer - Azure ML Studio / Terraform / Data EngineeringHybrid- majority remoteContractOverview:We are seeking an experienced Azure Platform Engineer with a strong background in Azure Machine Learning (ML) Studio, Infrastructure as Code (Terraform), and Data Engineering. You will play a key role in designing, building, and maintaining cloud-based data and ML platforms to support large-scale analytics and AI initiatives.Key Responsibilities:Design, implement, and manage Azure cloud infrastructure to support ML and data workloads.Develop and maintain Terraform scripts for infrastructure automation and environment provisioning.Collaborate with data scientists and engineers to deploy and operationalize ML models using Azure ML Studio.Build and...

Infrastructure Support Engineer (PKI) - DV Cleared

Added 07/10/2025

Role: Infrastructure Support Engineer (PKI) - DV Cleared Duration: 6-month rolling Rate: Up to £500/day Outside IR35 Location: UK Onsite We are seeking a skilled PKI & Infrastructure Support Specialist to join our Customers IT Team. This role is key to ensuring the reliability, security, and compliance of our Public Key Infrastructure (PKI) services and related systems. You will provide expert support, manage critical certificates, maintain infrastructure, and enforce security policies. Key Responsibilities include:Deliver advanced 2nd and 3rd line support for PKI infrastructure, including root and issuing CAs, resolving issues related to certificate issuance, revocation, auto-enrolment, and chain validation.Respond to...

IT Infrastructure Support Engineer

Added 07/10/2025

IT Infrastructure Support Engineer - 18-Month Contract | Onsite, CorkLocation: Cork, Ireland Duration: 18 Months Start Date: ASAP Daily Rate: Competitive, DOEOverview A global organisation in Cork is seeking an experienced IT Infrastructure Support Engineer to provide hands-on technical support across office and factory environments. This role is ideal for someone who enjoys being on the ground solving a wide range of IT and infrastructure challenges.Key ResponsibilitiesProvide onsite support for desktops, laptops, mobile devices, printers, AV, and telephony systems.Configure and deploy new hardware and software for new hires.Troubleshoot LAN/WAN/Wi-Fi networks and escalate complex issues where needed.Support infrastructure projects and global...

Automation Test Engineer - Contract

Added 06/10/2025

We're looking for an experienced Automation Test Engineer to design, build, and maintain automated API and UI tests in a modern CI/CD environment for our client. You'll work closely with developers, DevOps, and QA teams in Agile workflows to ensure high-quality, scalable solutions.Key ResponsibilitiesDevelop and maintain automated API and UI tests.Integrate test suites into CI/CD pipelines.Support performance testing and optimize test coverage.Collaborate with cross-functional teams in Agile/Scrum environments.Essential SkillsAPI Testing: RestSharp, Postman, or similar; validate functionality, performance, and security.Test Automation: C# or similar; Selenium WebDriver for UI automation.CI/CD & DevOps: Pipeline integration and automation workflows.Performance Testing: Familiarity with tools like...

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...

IT Wintel Engineer

Added 01/10/2025

IT Wintel Engineer - 6-Month Contract | Hybrid, Dublin | Financial ServicesI am working with a leading financial services client who are seeking an experienced Wintel Engineer to join their team on a 6-month contract. Reporting to the IT Infrastructure Manager, you will play a key role in supporting and maintaining critical infrastructure and application services across a multi-Cloud environment (on-premises, M365/Azure, SaaS).What you will do:Install, configure, maintain, and support core infrastructure, applications, and systems.Work closely with IT Management, Security, external vendors, and internal support teams to resolve incidents and problems.Lead on technical troubleshooting and provide expertise to the wider...

Microsoft Entra & Defender Engineer

Added 28/09/2025

Microsoft Entra and Defender Engineer - Remote - 12-month Outisde IR35The successful candidate will bring deep technical expertise across Microsoft security technologies, with the ability to define and execute IAM strategies, ensure compliance, and strengthen enterprise-wide security posture.Key ResponsibilitiesAct as SME for hybrid Microsoft Entra ID, delivering strategic guidance, technical leadership, and hands-on implementation.Configure and manage Conditional Access, PIM, RBAC, and identity governance aligned with modern security frameworks.Troubleshoot and configure SSO, MFA integrations, and provisioning across enterprise applications.Lead operational improvements by analysing incident/security trends and evolving IAM posture.Maintain and optimise:Microsoft Intune - device compliance, configuration profiles, and endpoint security.Microsoft Defender...

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...