Sr Software Engineer (.NET/C#/ASP.NET MVC)

Clario

Costa Rica, Costa Rica, Costa Rica
Full time
Posted June 04, 2026

Job Description

Senior Software Engineer

At Clario, part of Thermo Fisher Scientific, we are looking for a Senior Software Engineer with strong hands-on development experience to help design, build, enhance, and support software applications used by internal teams, clients, and partners.

In this role, you will contribute across the full software development lifecycle — from requirements analysis and solution design through development, testing, deployment, and production support.

Key Responsibilities

  • Design, develop, test, debug, and maintain software applications and product enhancements

  • Analyze business and technical requirements, identifying gaps, ambiguities, and improvement opportunities

  • Build scalable and maintainable applications using established development standards and patterns

  • Develop and maintain backend database logic, queries, and data structures

  • Write clean, concise unit tests with appropriate co...