Location: Remote | Full-Time

We are seeking a highly skilled and experienced Senior Full-Stack Developer with expertise across Next.js (React), ASP.NET Core, Entity Framework, MongoDB, Vercel, and AWS, along with hands-on experience using AI coding tools such as Claude Code or Codex to design and build products and prototypes. This is an exciting opportunity to join a dynamic team and help build cutting-edge applications across a range of industries.

Responsibilities
Design and develop robust, scalable full-stack solutions for web and mobile applications.
Interface with product stakeholders and clients to gather requirements and translate them into technical specifications and prototypes.
Contribute to development planning — breaking work into epics and tasks and helping organize sprints within a multi-developer team.
Mentor other developers, review their code, and collaborate on planning and technical decisions.
Build efficient, secure server-side architectures on serverless cloud platforms such as AWS Lambda, Vercel, and Atlas App Services.




Optimize database performance through effective data modeling and querying across both SQL and NoSQL systems.
Deploy and manage applications on AWS infrastructure, leveraging services such as Lambda, S3, Secrets Manager, VPC Peering, EventBridge, and EC2.
Stay current with emerging technologies and industry trends, sharing knowledge and insights with the team.

Requirements
Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
Proven experience as a full-stack software developer implementing complex web and mobile systems, including collaborating with and mentoring other team members.
Proficiency in modern JavaScript/TypeScript frameworks such as Next.js (React), Vue, or Angular for front-end development.
Strong command of HTML5, CSS3, and JavaScript/TypeScript, with a focus on creating engaging, accessible user interfaces. Experience with a utility-first framework such as

📌 Senior Full Stack Software Developer (Colombia)
🏢 Modern.tech
📍 Colombia