Lead FullStack Engineer

About the role

Blend360, an AI services provider, is looking for a Lead FullStack Engineer in Mexico City to contribute to its growth and expansion. The role leads backend architecture and API design, provides hands-on frontend development, manages cloud infrastructure and databases, and mentors junior and mid-level engineers.

Key responsibilities

• Lead backend architecture and API design with Python and Flask, own the service layer, review code and guide backend patterns.
• Design and implement scalable REST and async APIs with clear separation between services and data access.
• Develop frontend features with React and TypeScript, working closely with UI teams.
• Manage cloud infrastructure on GCP (Cloud Run, Cloud Storage, Secret Manager, IAM, logging and monitoring).
• Design and optimize database solutions with Google Spanner and SQL, and use BigQuery for analytics and reporting.
• Implement testing across the stack: pytest, Jest, React Testing Library and Playwright.
• Set up CI/CD pipelines with GitHub Actions and Docker, and apply security best practices (Snyk, secrets management).
• Use AI-assisted development tools and mentor engineers on full-stack patterns and code quality.

Required profile

• 6+ years of full-stack development or related roles, with proven experience leading technical delivery.
• Advanced English, required for communication with global teams.
• Ability to act as a technical lead, making architectural decisions and mentoring others.

Required skills

• Python with Flask or similar frameworks
• React and TypeScript
• REST APIs and SQL, database design and data modeling
• GCP basics (Cloud Run, Cloud Storage, IAM, monitoring)
• pytest, Jest, React Testing Library, Playwright
• GitHub Actions, Docker, and CI/CD
• Security best practices and dependency management
• Plus: Google Spanner, BigQuery, async/event-driven architectures, infrastructure-as-code or Terraform, agent-based or MCP tool integration

What we offer

• Christmas bonus, saving fund and food/grocery vouchers
• Home office allowance
• MetLife life insurance with funeral coverage and medical insurance with dental and vision discounts
• Vacation days increasing with tenure, vacation premium, official holidays, Holy Week and Day of the Dead
• Flexible working options, study plans, courses and English lessons