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

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