Job Summary: We are seeking a Senior Full Stack Developer to build high-impact technology solutions in regulated and mission-critical environments, developing robust and scalable software platforms. Key Highlights: 1. Build high-impact, mission-critical technology solutions 2. Work on real, regulated, and high-impact products 3. Exert real influence on technical and product decisions **Salary:** $22,000.00 MXN to $28,000 MXN per month. **Working Hours:** Mon–Fri, 8 AM to 6 PM **PURPOSE OR OBJECTIVE OF THE POSITION:** To build high-impact technology solutions in regulated and mission-critical environments. We develop platforms for electronic document transmission and compliance with tax regulations, used by thousands of companies. If you are motivated to build robust, scalable, and regulation-compliant software, this challenge is for you. What will you do? Design, develop, and maintain end-to-end solutions (frontend, backend, and APIs). Build and evolve products. Design secure, scalable, product-oriented REST APIs. Integrate external services. Ensure code quality, security, and regulatory compliance. Actively participate in architecture and product evolution decisions. Collaborate with product and business teams, contributing senior technical insight. Mentor junior and semi-senior developers. What are we looking for? +5 years of experience as a Full Stack Developer. Proficiency in Node.js (AdonisJS / NestJS). Experience with React or Vue.js. Consumption and design of REST APIs. Strong proficiency in MySQL or PostgreSQL. Experience in SaaS environments (preferred). Solid understanding of security best practices, testing, and version control (Git). Experience with Docker (preferred). Ability to work on complex, highly critical products. Technology Stack Backend: Node.js, AdonisJS / NestJS Frontend: React or Vue.js Mobile: React Native / Ionic / Flutter DB: MySQL / PostgreSQL Infra: Git, Docker, Cloud What do we offer? Opportunity to work on real, regulated, and high-impact products. Complex technical challenges and continuous learning. Real influence on technical and product decisions. A collaborative, quality-oriented work environment. On-site employment. Professional stability and growth within a growing company. Competitive salary based on skills. (Range: $22,000 to $28,000) Are you interested in building technology that truly matters? Apply now and join the team transforming electronic invoicing and tax services in Colombia. Employment Type: Full-time Salary: $22,000.00 – $28,000.00 per month Benefits: * Major medical expense insurance Education: * Completed high school (preferred) Work Location: On-site employment