About Everforth Apex Systems MexicoEverforth Apex Systems Mexico is a leading consulting and talent solutions firm, connecting top-tier technology professionals with innovative organizations.
We specialize in delivering high-quality engineering talent to support complex digital transformation initiatives across diverse industries.Position OverviewWe are seeking a Senior Fullstack .
NET Developer to lead the maintenance, enhancement, and modernization of legacy VB6 applications while also building modern, scalable solutions using the .
NET ecosystem.
This role combines hands on development with architectural responsibilities, focusing on the gradual transformation of business-critical systems into modern platforms.
You will work closely with architects, senior developers, and cross-functional teams to design and implement robust solutions.
This position plays a key role in enabling digital transformation by bridging legacy and modern technologies, ensuring system stability while driving innovation.Key ResponsibilitiesLegacy Systems Support & Modernization: Analyze, maintain, and support existing VB6 applications.
Define and implement strategies for incremental migration, refactoring, or full replacement of legacy modules.
Ensure business continuity while modernizing legacy systems.Application Development: Design and develop scalable, secure applications using .
NET Core / .
NET 5/6/7+ and C#.
Build and maintain full-stack solutions, with a strong emphasis on backend development and solid frontend capabilities.
Develop RESTful APIs, services, and microservices for system integration.Architecture & Best Practices: Contribute to system architecture and technical design decisions.
Ensure code quality, performance, and scalability through best practices.
Conduct code reviews and promote maintainable, well-documented code.DevOps & Collaboration: Support and implement CI/CD pipelines and automation processes.
Collaborate with cross-functional teams including QA, DevOps, and product stakeholders.
Troubleshoot and resolve production issues efficiently.Required Experience & QualificationsBachelor's degree in Computer Science, Software Engineering, or equivalent experience.5+ years of experience in software development.Strong experience with .
NET Core / .
NET 5/6/7+ and C#.
Hands-on experience maintaining or working with VB6 legacy applications.Experience developing RESTful APIs and microservices.Solid understanding of application architecture, design patterns, and system integration.Experience with CI/CD pipelines and version control tools.Ability to write clean, maintainable, and well-documented code in both VB6 and C#.
Preferred QualificationsStrong frontend development experience (JavaScript frameworks or modern UI technologies).
Experience with ASP.NET Core and Entity Framework Core.Exposure to modernization strategies (re-platforming, refactoring, microservices).
Familiarity with cloud environments (Azure preferred).
Experience working in agile environments.Technical StackCore: VB6, .
NET Core / .
NET 5/6/7+, C#Frameworks & Tools: ASP.NET Core, Entity Framework Core, CI/CD tools (Azure DevOps, GitHub Actions, or similar)Concepts: RESTful APIs, Microservices architecture, Legacy modernization / migration strategies, Software architecture & design patternsAbout Everforth ApexEverforth Apex is a world-class IT services company that serves thousands of clients across the globe.
When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning.
We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.
Our commitment to excellence is reflected in many awards, including Great Place to Work® and Great Place for Women to Work® in Mexico.
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