Overview .Net Developer role with Trinetix. Our business unit works with a leading Fortune 500 professional services company to deliver innovative software solutions that enhance workplace management, streamline business operations, strengthen security, and support data-driven decision-making. Through a diverse portfolio of impactful projects, we apply modern technologies to solve complex challenges and drive efficiency across the organization.

Join us to be part of a team that's shaping enterprise transformation through technology.

Responsibilities Develop new features

Modernize existing features

Analyze Requirements and clarify with BSA

Participate in groomings, estimation and planning sessions

Collaborate with other team members (incl. Front-end team, QA team, TDM, BSA, Architect, etc.)

Support of the existing functionality, refactoring, bug fixing

Qualifications 3+ years with .NET (Framework 4.6+ & Core 2.1+) & C# 6 in enterprise environment

OOP - solid understanding of OO design principles and patterns

Web Development Backend - ASP.NET MVC, Web API. Solid understanding of Web App lifecycle in different hosting environments, security, error handling

MS SQL Server (DB design), PostgreSQL, Development (T-SQL) - 3+ years of enterprise experience

Nice-to-haves Experience with Azure Cloud or AWS is a plus

Experience with MySQL is a plus

Experience in working within an agile software development team

Key qualifications Build and deliver complex features with confidence. You take ownership of major parts of a project, building advanced features that meet both technical and business needs.

Make smart technical decisions and contribute to design discussions.



You can design and implement solutions independently, and you help shape system architecture to support scalability and long-term goals.

Support and mentor junior developers. You share your experience with less-experienced teammates, offering guidance on code quality, design choices, and development best practices.

Benefits Continuous learning and career growth opportunities

Professional training and English/Spanish language classes

Comprehensive medical insurance

Mental health support

Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more

Versátil working hours

Inclusive and supportive culture

About Trinetix We are TRINETIX — a dynamic, rapidly growing technology organization with approximately 1000 representatives in Europe, the United States, and Argentina, who bring their passion, skill & innovation to ensure our organization provides products that meet the needs of our partners and clients.

We offer IT solutions to business enterprises of various sizes and industries using the latest cutting-edge technologies. We assist our clients and partners in improving work processes, making them more efficient while focusing on the essential objectives. We serve and support various business entities, enterprises, and startups globally, to grow and stay competitive in the digital era.

We achieve this essential goal by efficiently implementing tech innovation, substantial professional expertise, and a solution-driven strategy.

Job details Seniority level: Mid-Senior level

Employment type: Full-time

Job function: Other

Industries: IT Services and IT Consulting

📌 .Net Developer (Valencia)
🏢 Trinetix
📍 Valencia