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C/C++ Developer
Added 02/09/2026
Reference: 223147_1788360103

Senior C/C++ DeveloperRemote | Ireland & EU | PermanentAre you an experienced C/C++ Developer looking to work on... Read more

Senior C/C++ DeveloperRemote | Ireland & EU | Permanent

Are you an experienced C/C++ Developer looking to work on complex, high-impact software products within a growing international technology company?

Our client is expanding their engineering team and is seeking a Senior C/C++ Developer to join a highly skilled, collaborative environment where innovation, technical excellence, and continuous improvement are at the core of everything they do.

This is a fully remote opportunity open to candidates across Ireland and the European Union.

What You'll DoDesign, develop, and maintain high-performance software applications using C and C++.Collaborate with architects, product teams, and fellow engineers to deliver scalable and reliable solutions.Contribute to technical design and architectural decisions.Optimise software performance, security, and maintainability.Troubleshoot complex technical issues and implement robust solutions.Participate in code reviews and promote best engineering practices.Mentor junior developers and contribute to a strong engineering culture.What You'll Bring5+ years' commercial experience developing software in C and C++.Strong understanding of software design principles and modern development practices.Experience working in Linux/Unix environments.Strong debugging, troubleshooting, and performance optimisation skills.Experience working across the full software development lifecycle.Familiarity with Git and collaborative development workflows.Strong communication skills and the ability to work effectively within distributed teams.Nice to HaveExperience with distributed systems or high-availability applications.Multithreaded and concurrent programming experience.Exposure to cloud platforms and container technologies.Knowledge of CI/CD and automated testing practices.What's on OfferFully remote working model.Competitive salary and benefits package.Opportunity to work on innovative products and challenging technical problems.Collaborative international team environment.Career progression within a fast-growing technology company.Flexible working arrangements and strong work-life balance.Apply Now

If you're passionate about building high-quality software and want to be part of a company that values technical excellence and innovation, we'd love to hear from you.

Submit your CV today for a confidential discussion.

Please note: Applicants must be based in Ireland or the European Union and have the right to work within their country of residence.

GCS is acting as an Employment Agency in relation to this vacancy.

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Negotiable

Dublin, Dublin County, Republic of IrelandPermanentRemote

Senior C/C++ Developer
Added 02/09/2026
Reference: 1122342_1788359848

Senior C/C++ DeveloperLocation: Remote (Ireland & European Union) Employment Type: Contract Experience Level: SeniorAbout the OpportunityWe are partnering... Read more

Senior C/C++ Developer

Location: Remote (Ireland & European Union)
Employment Type: Contract
Experience Level: Senior

About the Opportunity

We are partnering with an innovative and rapidly growing technology company that is expanding its engineering team across Europe. With a strong technical culture and a globally distributed workforce, they are seeking an experienced Senior C/C++ Developer to help build and enhance high-performance software solutions.

This is an excellent opportunity to join a highly skilled engineering environment while working remotely from anywhere within Ireland or the EU.

The Role

As a Senior C/C++ Developer, you will play a key role in the design, development, and optimization of critical software products. Working closely with architects, engineers, and business stakeholders, you will help deliver scalable, reliable, and high-quality solutions that support the company's continued growth.

The successful candidate will be a hands-on engineer with strong problem-solving skills and a passion for building robust software systems.

Key ResponsibilitiesDesign, develop, and maintain software solutions using C and C++.Contribute to software architecture and technical design decisions.Optimize application performance, scalability, and reliability.Participate in code reviews and champion engineering best practices.Diagnose and resolve complex technical issues throughout the development lifecycle.Collaborate with distributed teams across multiple regions and time zones.Create and maintain technical documentation.Mentor junior team members and contribute to a culture of continuous improvement.Required Skills & ExperienceStrong commercial experience developing software in C and C++.Deep understanding of software engineering principles and design patterns.Experience working in Linux/Unix environments.Strong debugging, troubleshooting, and performance optimization skills.Experience working across the full Software Development Lifecycle (SDLC).Proficiency with Git and modern development tools.Excellent communication and collaboration skills.Ability to work effectively within remote and distributed teams.Nice to HaveExperience with distributed systems or high-performance applications.Knowledge of multithreading and concurrent programming.Exposure to cloud technologies and containerized environments.Experience with CI/CD pipelines and automated testing frameworks.What's on OfferFully remote working arrangement.Opportunity to work with a highly talented international engineering team.Challenging and technically complex projects.Flexible working environment.Competitive contract rates.Long-term growth opportunities within a scaling technology organization.Apply Today

If you're a Senior C/C++ Developer seeking a fully remote opportunity where you can make a significant impact and work on innovative technology projects, we'd love to hear from you.

Apply now with your latest CV and one of our consultants will be in touch to discuss the opportunity in confidence.

GCS is acting as an Employment Business in relation to this vacancy.

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Negotiable

Dublin, Dublin County, Republic of IrelandContractRemote

.Net Integration Developer (SC Cleared)
Added 01/09/2026
Reference: 987567_1788256748

ROLE PURPOSEAs an Integration Developer, your primary responsibility is to design, develop, and maintain data integration solutions that... Read more

ROLE PURPOSE

As an Integration Developer, your primary responsibility is to design, develop, and maintain data integration solutions that enable seamless communication and data exchange between disparate systems. You will collaborate with stakeholders to understand integration requirements, design integration workflows, and implement scalable and robust solutions. A strong emphasis will be placed on development experience, especially in building and consuming APIs using C# or similar modern programming languages. Your role involves working with integration platforms, tools, and technologies to ensure the reliable and efficient flow of data across the organization.

PRINCIPAL ACCOUNTABILITIES

Integration Design:
Collaborate with business stakeholders, IT teams, and external partners to gather integration requirements and define workflows. Design data mappings, transformations, APIs, and message schemas to facilitate the secure and efficient exchange of data between systems.Development and Implementation:
Design, develop, test, and deploy integration solutions using C#, .NET, or similar programming languages. Build RESTful APIs and backend services to support integration needs. Configure connectors and implement robust error handling and retry mechanisms to ensure reliability and data integrity.Integration Platforms and Tools:
Utilize integration platforms such as Azure Logic Apps, Azure Data Factory, SSIS, or other middleware tools to orchestrate data flows and integrate diverse systems. Experience with tools such as Postman, Swagger, and API gateways is highly desirable.API and Service Integration:
Build and maintain APIs (REST and/or SOAP), working with authentication, authorization, and secure data exchange. Integrate internal and third-party APIs to facilitate service-oriented and event-driven architecture across systems.Data Transformation and Mapping:
Implement data transformation logic to convert between formats like JSON, XML, and CSV. Design reusable components and mappings to streamline data flow between systems with different schemas or protocols.Testing and Debugging:
Perform unit, integration, and end-to-end testing of integration workflows and APIs. Debug issues using tools such as Fiddler, Postman, and application logs. Continuously optimize performance and reliability through code refactoring and system tuning.Documentation and Reporting:
Document API contracts, integration configurations, and solution architecture to support maintainability. Provide progress updates, technical summaries, and risk reports to stakeholders throughout the project lifecycle.Collaboration and Communication:
Work closely with software developers, data engineers, QA teams, and business analysts to align integration work with broader project goals. Clearly communicate technical designs, project updates, and roadblocks to both technical and non-technical stakeholders.

Continuous Learning:
Keep up-to-date with integration frameworks, cloud technologies, and development best practices. Actively participate in knowledge-sharing sessions and contribute to the continuous improvement of integration standards and code quality

GCS is acting as an Employment Business in relation to this vacancy.

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£600.00 - £650.00
Per day

London, England, United KingdomContract

Integration Developer C#,.Net (SC Cleared, Public Sector)
Added 07/07/2026
Reference: 987654_1783425262

Integration Design: Collaborate with business stakeholders, IT teams, and external partners to gather integration requirements and define workflows.... Read more

Integration Design:
Collaborate with business stakeholders, IT teams, and external partners to gather integration requirements and define workflows. Design data mappings, transformations, APIs, and message schemas to facilitate the secure and efficient exchange of data between systems.Development and Implementation:
Design, develop, test, and deploy integration solutions using C#, .NET, or similar programming languages. Build RESTful APIs and backend services to support integration needs. Configure connectors and implement robust error handling and retry mechanisms to ensure reliability and data integrity.Integration Platforms and Tools:
Utilize integration platforms such as Azure Logic Apps, Azure Data Factory, SSIS, or other middleware tools to orchestrate data flows and integrate diverse systems. Experience with tools such as Postman, Swagger, and API gateways is highly desirable.API and Service Integration:
Build and maintain APIs (REST and/or SOAP), working with authentication, authorization, and secure data exchange. Integrate internal and third-party APIs to facilitate service-oriented and event-driven architecture across systems.Data Transformation and Mapping:
Implement data transformation logic to convert between formats like JSON, XML, and CSV. Design reusable components and mappings to streamline data flow between systems with different schemas or protocols.Testing and Debugging:
Perform unit, integration, and end-to-end testing of integration workflows and APIs. Debug issues using tools such as Fiddler, Postman, and application logs. Continuously optimize performance and reliability through code refactoring and system tuning.Documentation and Reporting:
Document API contracts, integration configurations, and solution architecture to support maintainability. Provide progress updates, technical summaries, and risk reports to stakeholders throughout the project lifecycle.Collaboration and Communication:
Work closely with software developers, data engineers, QA teams, and business analysts to align integration work with broader project goals. Clearly communicate technical designs, project updates, and roadblocks to both technical and non-technical stakeholders.Continuous Learning:
Keep up-to-date with integration frameworks, cloud technologies, and development best practices. Actively participate in knowledge-sharing sessions and contribute to the continuous improvement of integration standards and code quality.

GCS is acting as an Employment Business in relation to this vacancy.

Read less
Negotiable

Greater London, United KingdomContractRemote

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