[Job - 26585] Senior Software Developer (.NET / VB6), Colombia

Ciandt

Colombia Remote permanent

Posted: January 5, 2026

Job Description

We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 8,000 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.

At CI&T, we are seeking a highly skilled and motivated Senior Software Developer to join our team in Colombia. You will contribute to an innovative project in a collaborative, innovative, transforming, and multicultural environment.

Position Overview:
As a Senior Software Developer, you will play a crucial role in the design and development of robust applications using SQL Server, Visual Basic 6, and C# .NET. You will collaborate with cross-functional teams to ensure high-quality deliverables that meet client expectations and enhance user experience.

Key Responsibilities::
Act as a key player in the support and evolution of applications developed in SQL Server, Visual Basic 6, and C# .NET, contributing to the creation of innovative and robust solutions. Seek and prioritize continuous improvement of processes and engineering practices, mentoring junior developers and promoting a learning environment. Perform a fundamental role in the architecture and development of systems, ensuring high performance and scalability in the implemented solutions. Focus on the impact of solutions and user experience, ensuring that applications meet client needs. Collaborate with multidisciplinary teams to design, develop, and implement efficient and high-quality solutions. Continuously maintain and enhance existing systems, identifying opportunities for optimization and innovation.

Must-have Skills::
SQL Server 2016: Proficiency in SQL Server, including database design, query optimization, and data maintenance. Experience in evolving and maintaining queries and procedures. Visual Basic 6: A minimum of 2 years of experience in Visual Basic 6 at an advanced level, applying it in complex projects. C# .NET: Mastery of C# language and .NET framework, with experience in developing robust and scalable applications. GIT Repository: Experience using GIT for code versioning, including branching, merging, and conflict resolution. Practical Experience: Experience in unit testing and integration with xUnit. Clear and Effective Communication: Ability to convey information concisely and understandably, facilitating team collaboration and understanding with stakeholders. Proactivity and Autonomy: Ability to take the initiative in problem-solving and manage tasks independently, delivering results efficiently.

Nice-to-have Skills::
Experience with Azure for cloud solution architecture. Experience in creating infrastructure as code using Terraform.

Our benefits include:

- Premium Healthcare
- Meal voucher
- Maternity and Parental leaves
- Mobile services subsidy
- Sick pay-Life insurance
- CI&T University
- Colombian Holidays
- Paid Vacations
And many others.

Collaboration is our superpower, diversity unites us, and excellence is our standard.
We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.

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