Senior Software Engineer (.NET)

TL;DR

Senior Software Engineer (.NET): Design, build, and support software applications for internal teams and partners with an accent on backend logic, database performance, and scalable architecture. Focus on implementing product enhancements, developing complex PostgreSQL queries, and ensuring system reliability through rigorous unit testing.

Location: Remote (Must be based in Costa Rica)

Company

hirify.global, part of Thermo Fisher Scientific, provides specialized software solutions for clinical research and healthcare industries.

What you will do

• Design, develop, and maintain software applications and product enhancements across the full SDLC.
• Analyze business and technical requirements to identify gaps and opportunities for improvement.
• Build scalable and maintainable backend systems using .NET, C#, and ASP.NET MVC.
• Develop and optimize PostgreSQL database logic, queries, and data structures.
• Write clean, concise unit tests to ensure high code coverage and system stability.
• Collaborate with product, QA, and cross-functional teams in an Agile environment.

Requirements

• Bachelor’s degree in Computer Science or a related field.
• 3+ years of professional software development experience.
• Must be based in Costa Rica.
• Proven hands-on experience with .NET, C#, and ASP.NET MVC.
• Solid experience with PostgreSQL and backend database development.
• Ability to work effectively in Agile development environments.

Nice to have

• Experience with SQL.
• Exposure to CI/CD tools such as Git and Jenkins.
• Experience working in regulated environments like healthcare, life sciences, or pharmaceuticals.