Senior Full-Stack Developer (React + .NET APIs) – Remote from EU

Location: Remote from any EU country, with occasional travel to Ireland
Engagement: Freelancer (B2B) or permanent role with pH7x Systems
Duration: Long-term project
Daily rate: €250 – €325 net (includes travel)
Language: Fluent English required

Job Description

We are looking for a Senior Full-Stack Developer with strong expertise in React for the front-end and solid experience building .NET APIs. The project is a long-term international engagement with a major enterprise client based in Ireland.

The ideal candidate will bring strong hands-on capabilities along with the maturity to communicate clearly with key stakeholders, contribute to decision-making processes, and offer critical insights in strategic meetings.

The role is fully remote within the EU, with travel to Ireland approximately every two months for 3 days. Travel expenses are included in the net daily rate.

Responsibilities

• Develop scalable front-end interfaces using React
• Build and maintain backend services using .NET APIs, integrating with SQL Server and Microsoft Dataverse
• Deploy and manage applications using Azure Web Apps and DevOps pipelines
• Apply best practices for security and performance
• Participate in both technical and strategic meetings with development teams and business stakeholders
• Communicate project status clearly and professionally (in English)
• Work closely with the pH7x Systems team in an agile environment

Requirements

• At least 6 years of experience as a Full-Stack Developer
• Strong knowledge of React, including Hooks and component-based architecture
• Proven experience with .NET APIs, SQL Server, and Microsoft Dataverse
• Practical experience with Azure, especially Web Apps and DevOps pipelines
• Solid understanding of web security best practices
• Excellent communication and interpersonal skills
• Fluent English (spoken and written) is mandatory
• Based in the European Union, available for occasional short travel to Ireland

Nice to Have

• Experience with enterprise systems integration (CRM, ERP)
• Previous experience in distributed or remote-first teams

Engagement Options

• Freelancer (B2B): contract directly with pH7x Systems or via your own company
• Permanent Role: opportunity to join the pH7x Systems team full-time

How to Apply

You can apply via LinkedIn or through our candidate portal:

• https://www.linkedin.com/company/ph7xsystems
• https://www.ph7x.com/en/jobs

Log in or create an account as a candidate, then submit your CV and details for this position.

Only shortlisted candidates will be contacted.