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# TELECOMMUTE .NET Software Developer

- **Company:** Win Systems International Holdings Inc.
- **Location:** Barcelona, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Cursor (Graphical User Interface Elements), Software Debugging, Distributed Systems, Language Integrated Query, Oracle (Applications), Software Engineering, Software Systems, Transact-SQL, Working Model 2D, Information Technology, Restful APIs, Microservices
- **Published:** August 12, 2026
- **Apply:** https://es.trabajo.org/oferta-5001-639ba9357156a2f3a8ceffbf3d185756

## About the Role

As a Senior Software Developer, you will design and implement new systems and features, as well as modify and maintain existing systems to adapt to business and/or technology changes. You will also identify and execute tasks in the software development life cycle, review and debug code, collaborate with internal teams, and ensure software is up-to-date with the latest technologies within the iGaming industry. Key responsibilities: - Meeting with development managers to discuss software projects. - Reviewing updated software systems. - Writing development reports. - Testing and deploying programs and systems. - Working with developers to design algorithms and flowcharts. - Fixing and improving existing software - Producing clean, efficient code based on specifications. - Managing project timelines and tasks. - Writing advanced programming code. Requirements and skills - Bachelor's degree in Computer Science, Engineering, or a related field. - 7+ years of software development
experience in .NET/C# and .NET Core. Working with distributed systems, microservices, and scalable architectures. - Proven experience working with QSL/ Oracle / API Rest/ TSQL/ LINQ. - Strong knowledge of software development methodologies and best practices. - Experience with AI-assisted development tools is a plus (Cursor, Claude, Antigravity). - Strong problem-solving and decision-making abilities. - Consistently proactive teamwork attitude. - Good level of both English and Spanish. - Ability to manage high-demand conflicts and support situations. - Prior experience in iGaming, FinTech, Payments, or other high-volume transactional environments is a strong advantage. What We Offer - Hybrid working model (1 day remote per week) - Flexible schedule and intensive working hours on Fridays - Ticket Restaurant (1.980€/year) - Flexible remuneration (Childcare ticket, transportation ticket, etc) - Beverages and fruits in the office - Padel court, games room, and gym are in the
offices. - Shuttle bus for the way between Sant Joan train station and the offices.