Senior Full-Stack Developer (React + .NET APIs)
We are looking for an experienced and mature professional with strong hands-on skills in React and .NET APIs, able to clearly communicate with stakeholders and deliver high-quality solutions in a corporate environment.
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:
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About pH7x Systems
pH7x Systems is a specialized technology provider delivering robust solutions in Cloud Infrastructure, Microsoft 365, and SharePoint development.
We empower businesses with tailored services across database management, migration projects, and cybersecurity operations. With a commitment to transparency and results, our team is driven by excellence in consulting and nearshore delivery.
Let’s build the next solution together — your success is our mission.