Senior Software Developer

SIO Automotive Taşıt Yedek Parça Sanayi Tic.A.Ş.

We are looking for a Software Developer to work on our corporate intranet web portal and ERP/MES integration projects. The candidate will actively participate in all stages of the software development lifecycle, contribute to building scalable and secure applications, and support the enhancement of existing systems.

Responsibilities:

• Develop new modules and enhance existing ones for the intranet web portal
• Build and maintain integrations with ERP and MES systems (APIs, services, data exchange)
• Design and deliver integrated software solutions across multiple systems
• Participate in requirement analysis and produce technical documentation
• Ensure high-quality, maintainable code following modern development standards
• Support testing, debugging, deployment, and maintenance processes
• Collaborate with business unıts to gather, analyze and prioritize requirements
• Translate requirements into scalable, maintainable software solutions.

Qualifications:

• Experience with .NET (C#) andWeb API development
• Strong knowledge of SQL and experience withOracle databases
• Familiarity with frontend technologies (HTML, CSS, JavaScript or modern frameworks)
• Proficient in Git version control
• Experience or familiarity with Azure DevOps (Boards, Repos, Pipelines, CI/CD)
• Preferably experienced in MES and ERP integrations, and capable of developing integrated solutions
• Understanding software architecture, clean code principles, and design patterns
• Strong analytical thinking, problem-solving skills, and teamwork abilities
• English ; Upper -  İntermediate (B') minimum, C1 / Fluent preffered fpr senior positions or international project collabration.