.NET Desktop Application Developer

Definity First is a digital consulting firm specializing in IT services, cloud business applications, and Microsoft technologies to drive business transformation.

Definity First

Employee count: 51-200

Chile only

We are looking for a skilled.NET Desktop Application Developer to join our team. This role focuses on the development of mission-critical Windows-based applications that integrate with CAD systems, working REMOTELY from anywhere in LATAM. This is an exciting opportunity to contribute to high-impact solutions while collaborating with a mission-driven and highly talented team.

Requirements

5+ years of professional experience in desktop software development with a solid focus on .NET technologies.
Strong proficiency in C# (.NET Framework/Core).
Proficiency in Python 3.7+ (3.9 preferred).
Experience with WinForms, WPF, or WinUI for building and maintaining Windows desktop applications.
Solid understanding of TCP/IP communication, socket connections, and network configurations.
Strong experience with SQL Server, T-SQL, and database design/administration.
Hands-on experience with .NET libraries, COM Interop, XML/JSON serialization.
Familiarity with API integration, especially with CAD systems.
Experience with Azure Service Bus (topics, subscriptions, dead-letter handling, message filtering).
Knowledge of Windows environments, permissions, services, and deployment tools.
Strong debugging and testing skills using simulators and validation frameworks.
Advanced English.

Main Activities

Develop and maintain Windows-based applications using .NET and SQL Server.
Implement Python scripts and integrations with Azure Service Bus.
Work on API integrations with CAD systems, including TCP/IP communication and XML/JSON data handling.
Troubleshoot, debug, and test applications using simulators and validation tools.
Collaborate with developers, system administrators, and stakeholders to ensure smooth delivery.
Contribute to deployment strategies, installer setup, and configuration in Windows environments.

Education

Bachelor’s degree in Computer Science, Information Technology, or a related field.

About Definity First
Definity First specializes in IT Services, Cloud Business Applications & Microsoft Technologies, providing enterprise-grade solutions that translate into a successful business transformation.

We were founded in 2004, with six offices distributed across the US and Mexico. Definity First has worked for transformative, iconic companies and universities such as Tesla, Flowserve, Harvard, Berkeley, Caltech, and more.

At Definity First we do not discriminate towards gender, age, sexual preferences/orientation, religion, pregnancy, ethnicity or place of origin.

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About the job

Apply before

Nov 05, 2025

Posted on

Sep 06, 2025

Job type

Full Time

Experience level

Senior

Location requirements

Chile

Hiring timezones

Chile +/- 0 hours

About Definity First

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Founded in 2004, Definity First embarked on a journey to become a important force in the IT consulting landscape. What began as a focused IT services provider has since blossomed into a comprehensive digital consulting firm, guiding businesses through the complexities of digital transformation. With its headquarters established in San Diego, California, and a significant presence with offices in Mexico, the company strategically positioned itself to serve the North American market, offering a unique nearshore advantage. This dual-country footprint has been a cornerstone of its strategy, enabling it to tap into a diverse and highly skilled talent pool while remaining in close proximity to its U.S. client base. The early years were characterized by a deep commitment to mastering Microsoft technologies, a specialization that quickly earned them a reputation for excellence and a coveted Microsoft Gold Certified Partner status. This focus allowed them to deliver enterprise-grade solutions that provided tangible business value, laying the groundwork for long-term partnerships with clients.

Over the years, Definity First's narrative has been one of consistent growth and evolution. The company has expanded its service offerings beyond core IT services to include cloud business applications, custom software development, and digital marketing services. This expansion was a direct response to the evolving needs of the market and a testament to their forward-thinking approach. Their client roster grew to include an impressive array of transformative and iconic companies and prestigious universities such as Tesla, Flowserve, Harvard, and Caltech, showcasing their ability to tackle complex challenges for a diverse range of industries. A significant chapter in their story is the consistent recognition as a 'Great Place to Work®'. This accolade is not just a testament to their internal culture but a reflection of their core philosophy: a happy and empowered team is the key to delivering exceptional client service. By fostering an environment of innovation, collaboration, and respect, Definity First has cultivated a team of passionate problem-solvers dedicated to helping clients achieve digital success and navigate the ever-changing technological frontier.

Tech stack

Learn about the tools and technologies that Definity First uses to build, market, and sell its products.

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.NET

Microsoft Azure

HubSpot

Definity First employees can create an account to update this tech stack.

Employee benefits

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Healthcare Plan

Choose your ideal healthcare plan.

Rewarding Experience

Receive various of presents, freebies, and recognition for your amazing work effort regularly.

Family First

Receive support for maternity, parenthood, & marriage. We want you to prioritize time with your loved ones.

Constant Growth

Certifications, courses, and webinars. Lots of ways to deepen your skills to become an expert in your chosen field.

View Definity First's employee benefits

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Please let Definity First know you found this job on Himalayas. This helps us grow!

Apply now