Partner API Developer/Consultant (C#/.NET)

Location: Remote-first role associated with Lecco, Italy and Sofia, Bulgaria; required travel is less than 25%.

Company

hirify.global Holding AG provides hardware, software, cloud, IT services, and platform-based capabilities to ICT resellers and vendors through a European partner ecosystem.

What you will do

• Design, implement, and enhance partner and reseller API features using C#/.NET.
• Deliver API changes from requirement clarification through implementation, testing, documentation updates, and internal demos.
• Investigate integration issues through Postman, API documentation, payload analysis, logs, SQL checks, and backend debugging.
• Support partner onboarding, integration reviews, troubleshooting sessions, and solution design discussions.
• Maintain API documentation, integration guidelines, troubleshooting notes, and technical summaries.
• Use AI-assisted development tools responsibly by defining tasks, reviewing generated output, and validating changes.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 3+ years of experience in API consulting, support, integration, or development.
• Practical C#/.NET backend or API development experience.
• Strong understanding of REST APIs, HTTP, JSON, authentication, authorization, and API error handling.
• SQL experience for data analysis, troubleshooting, and validation of integration scenarios.
• Experience with Git branching workflows, CI/CD concepts, unit testing, and code review practices.
• Ability to understand an existing enterprise codebase and navigate platform logic independently at a high level.
• Self-driven working style with the ability to clarify problems, propose plans, ask focused questions, and work with limited supervision.
• Professional English is required for client-facing calls, written technical communication, documentation, and follow-up summaries.
• Reliable remote work discipline is required, including predictable availability, proactive status updates, and transparent blocker communication.
• Understanding of AI-assisted software development and willingness to use GitHub Copilot, Codex, or similar assistants in daily work.

Nice to have

• Azure development, deployment, monitoring, or troubleshooting experience.
• OpenAPI/Swagger documentation experience.
• Enterprise B2B, partner, reseller, marketplace, catalogue, pricing, order, invoice, or subscription API experience.

Culture & Benefits

• Remote-first working environment with clear progress, risk, blocker, and follow-up communication.
• Collaborative international team.
• Competitive salary and benefits package.
• Professional development and training opportunities.
• Modern API delivery practices.
• Required travel is less than 25%.

Hiring process

• Submit a CV in English.