Software Engineer

_Software Engineer (Senior / Founding Engineer Track)_**Location**Onsite — Mexico City (Condesa)**Work Type**Full-time - Contractor**About the Role**We’re looking for a **highly hands-on Senior Software Engineer** with a strong builder mindset who can grow into a **Founding Engineer** role.This position is ideal for someone who loves building products from scratch, making critical technical decisions, and shipping high-quality software fast. You’ll work closely with the founding team to define the technical architecture, build the core platform, and establish engineering best practices from day one.This is not a management-first role. The priority is **technical execution, architecture, and ownership**. Leadership and mentoring will come naturally as the team grows.**What You’ll Do**- Own major technical and architectural decisions across the platform.- Build for enterprise scale, reliability, security, and performance from day one.- Ship fast, iterate quickly, and improve based on real customer feedback.- Collaborate closely with founders, product, and design to define and prioritize features.- Build end-to-end features with high standards of quality and scalability.- Establish and promote engineering best practices (testing, clean code, documentation, CI/CD).- Participate in code reviews, testing, and continuous improvement.- Help prepare the engineering organization to scale, including mentoring future hires.**What We’re Looking ForMust-Have Requirements**- 3-5 years of professional software development experience.- Strong command of at least one full stack (frontend + backend).- Proven ability to design scalable systems and architectures.- Experience with:- JavaScript / TypeScript- Node.js- Express or Hono- React / Next.js- Tailwind CSS / CSS- Experience with relational and/or non-relational databases.- Strong understanding of software best practices: testing, clean code, design patterns, documentation, CI/CD.- Solid experience with Git in collaborative environments.- Intermediate-Advanced English (B2+).- Strong communication skills and ability to thrive in fast-paced startup environments.- Builder mindset: passion for building, experimenting, and shipping fast.**Nice to Have**- Experience in software-first startups, YC-backed companies, or high-growth tech environments.- Experience building products or architectures from scratch (0 → 1).- Prior involvement as an early engineer or founding team member.- Exposure to enterprise-grade systems, integrations, or high-scale platforms.**What This Role Is Not**- Not a management-only or people-manager role.- Not a software factory or ticket-driven delivery position.- Not a purely corporate or consulting-oriented role without deep product ownership.**Compensation & Perks**- Salary: $3,000 - $4,000 USD net monthly- Equity participation- Contractor role with legal benefits- Onsite work in Mexico City (Condesa)- Schedule: Monday to Friday, 9:00 am - 6:00 pm**Why Join**- Build the technical foundation of a high-impact product from scratch.- Work directly with founders and have real ownership over technical decisions.- Tackle complex challenges involving architecture, scalability, and security.- Join a fast-growing environment with high autonomy, responsibility, and upside.Tipo de puesto: Tiempo completoSueldo: $50,000.00 - $72,000.00 al mesBeneficios:- Aumentos salariales- Días por enfermedad- Horarios flexibles- Seguro de gastos médicos mayores- Vacaciones adicionales o permisos con goce de sueldo- Vales de despensaLugar de trabajo: Empleo presencial