Mid/Senior Fullstack Developer (.NET/Javascript/Typescript), Colombia

CI&T; Colombia; Presencial; COP 117.407.639 - 195.679.399; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Premium Healthcare

Meal voucher

Maternity and Parental leaves

Mobile services subsidy

Sick pay-Life insurance

CI&T University

Colombian Holidays

Paid Vacations

Descripción de la vacante

A leading tech transformation company in Colombia is seeking a highly skilled Mid/Senior Fullstack Developer (.NET/Javascript/Typescript) to join their innovative team. The role includes designing and maintaining applications, developing front-end interfaces, and optimizing performance in a collaborative environment. Ideal candidates have over 5 years of experience, strong skills in .NET and modern JavaScript frameworks, and excellent communication abilities. Benefits include premium healthcare and paid vacations.

Formación

• 5+ years of professional experience as a software developer.
• Strong expertise in C#, ASP.NET, and .NET Core.
• Deep understanding of full-stack applications and troubleshooting production issues.

Responsabilidades

• Design, build, and maintain robust applications using the Microsoft .NET stack.
• Develop dynamic, modern front-end interfaces using JavaScript and associated frameworks.
• Optimize and troubleshoot full-stack performance, scalability, and system reliability issues.

Conocimientos

C#

ASP.NET

.NET Core

Modern JavaScript (Angular, React, or Vue)

SQL Server

OpenSearch/Elasticsearch

Git

Technical SEO knowledge

Agile environment experience

Excellent communication skills

Descripción del empleo

Position Overview

We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 7,400 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 Mid/Senior Fullstack Developer (.NET/Javascript/Typescript) to join our team in Colombia. You will contribute to an innovative project in a collaborative, innovative, transforming, and multicultural environment.

Responsibilities

• Design, build, and maintain robust applications using the Microsoft .NET stack (C#, ASP.NET)
• Develop dynamic, modern front-end interfaces using JavaScript and associated frameworks/libraries
• Write efficient, scalable SQL Server queries, functions, and stored procedures supporting both on-prem and Azure PaaS
• Leverage OpenSearch as part of our backend architecture for search and data analytics
• Optimize and troubleshoot full-stack performance, scalability, and system reliability issues
• Conduct and participate in code reviews, ensuring adherence to clean code practices
• Collaborate with QA and product teams to understand requirements and deliver complete, tested features

Must-Have Skills

• 5+ years of professional experience as a software developer
• Strong expertise in: C#, ASP.NET, and .NET Core
• Modern JavaScript (e.g., Angular, React, or Vue)
• SQL Server (including query optimization and performance tuning)
• OpenSearch/Elasticsearch
• Git (branching, pull requests, merge conflict resolution)
• Technical SEO knowledge covering canonical URLs, dynamic content rendering, and structured data optimization
• Deep understanding of full-stack applications and troubleshooting production issues
• Proven experience optimizing performance and identifying system bottlenecks
• Excellent communication skills—both verbal and written
• Ability to work autonomously and collaboratively in a fast-paced, agile environment

Nice-to-have Skills

• Familiarity with Azure PaaS services such as App Services, Azure Functions, and Storage Accounts
• Experience with Azure DevOps (pipelines, repositories)
• Working knowledge of geospatial data in PostgreSQL/PostGIS or similar

Join CI&T, where we are driven by Collaboration, Innovation & Transformation. In our fast-evolving landscape, your contributions will not only enhance our projects but also pave the way for breakthroughs powered by Artificial Intelligence. Together, let’s shape a bright future.

Our benefits

• 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.