Tech Lead (Desktop Applications)

Definity First; México; A distancia; MXN 1,292,000 - 1,848,000; Jornada completa

Descripción de la vacante

A leading IT services company is seeking a Software Development Lead to mentor developers and actively engage in hands-on coding. The role requires expertise in .NET and Python, along with a strong background in Windows environments. This is a fully remote position based in Mexico or LATAM, offering opportunities to work on mission-critical systems and contribute to meaningful projects.

Formación

• Proven ability to lead technical teams and mentor developers.
• Strong proficiency in C# (.NET Framework/Core) and Python 3.7+.
• Hands-on experience with SQL Server and database administration.

Responsabilidades

• Lead and mentor a team of developers, ensuring best practices in software engineering.
• Act as the technical reference point for architecture decisions and API integration.
• Develop core modules and review complex code.

Conocimientos

C#

.NET Framework/Core

Python 3.7+

SQL Server

TCP/IP protocols

Windows desktop UI applications

Crystal Reports

Advanced English

Educación

Bachelor's Degree in Computer Science/Information Technology

Descripción del empleo

Overview

We are seeking a highly skilled and experienced Software Development Lead to guide our development team while remaining actively involved in hands-on coding and solution design. This role combines technical leadership, architecture oversight, and direct development on mission-critical systems that integrate emergency communication platforms with CAD (Computer-Aided Dispatch) environments.

The ideal candidate has strong experience in .NET, C#, and Python, understands complex Windows environments, and can manage both people and projects while still contributing directly to the codebase.

This is a 100% remote position - open to candidates from any part of México &LATAM.

Requirements

• Proven ability to lead technical teams, mentor developers, and manage delivery timelines.
• Strong proficiency in C# (.NET Framework/Core) and Python 3.7+ (3.9 preferred).
• Experience with SQL Server, T-SQL, and database administration.
• Solid understanding of TCP/IP protocols, socket connections, and network configurations.
• Hands-on experience with .NET libraries, COM Interop, XML/JSON serialization, and CAD system APIs.
• Familiarity 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.
• Experience developing Windows desktop UI applications, including Windows Forms (.NET Framework/.NET 6+) and WinUI 3 (Windows App SDK, XAML/MVVM).
• Experience designing and building Windows client-server applications with TCP/IP/socket
• Experience working with Crystal Reports.
• English Advanced.

Nice to Have

• Exposure to emergency dispatch systems or mission-critical communication platforms.
• Familiarity with VB6 (legacy support).
• Experience with installer creation tools (InstallShield, MSI packaging).
• Background in DevOps practices, CI/CD, and cloud deployments

Main Activities

• Lead and mentor a team of developers, ensuring best practices in software engineering.
• Act as the technical reference point for architecture decisions, API integration, and cloud connectivity.
• Stay hands-on by developing core modules and reviewing complex code.
• Drive the design, development, and deployment of Windows-based applications built on the .NET Framework with SQL Server backends.
• Oversee integration with CAD systems, including APIs, TCP/IP communication, and XML/JSON data exchange.
• Ensure software quality through validation testing, debugging, and simulator tools.
• Collaborate with stakeholders, system administrators, and other technical teams to align deliverables with business needs.
• Contribute to deployment strategies, installer configurations, and Windows system administration tasks.

Education

• Computer Science/Information Technology Bachelor's Degree or equivalent.

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.