Senior FullStack Engineer
BLEND360 LLC · 🌍 Guadalajara, Jal., MX
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About the role
What is this position about? • Lead backend architecture and API design using Python and Flask, owning service-layer ownership, code reviews, and backend pattern guidance across full-stack projects. • Design and implement scalable REST and async APIs with a focus on clean service-to-data-access separation and maintainability. • Provide hands-on frontend development with React and TypeScript, collaborating closely with UI teams to deliver end-to-end features and ensure seamless frontend-backend integration. • Architect and manage cloud infrastructure on GCP, leveraging Cloud Run, Cloud Storage, Secret Manager, IAM, logging, and monitoring for production-grade deployments. • Design and optimize database solutions using Google Spanner and SQL, including data modeling for relational structures and BigQuery for analytics and reporting use cases. • Implement comprehensive testing strategies across the stack, including pytest for backend, Jest and React Testing Library for frontend, and Playwright for E2E testing. • Establish CI/CD pipelines using GitHub Actions and Docker, automating deployments, testing, and release processes. • Champion security best practices, including dependency management via Snyk, secrets and configuration management, and secure development workflows. • Leverage AI-assisted development tools and workflows for code exploration, test generation, debugging, and developer productivity improvements. • Mentor junior and mid-level engineers on full-stack patterns, code quality, and technical leadership practices. • Own technical delivery across feature teams, ensuring alignment on architecture decisions, testing standards, and deployment readiness. • Deep expertise in Python with strong proficiency in Flask or similar web frameworks for backend API development. • Strong hands-on React and TypeScript experience with ability to build production-grade frontend features and collaborate on UI/UX delivery. • Proven experience designing and building REST APIs and service-oriented architectures with focus on scalability and maintainability. • Solid understanding of SQL, database design, and data modeling best practices. • Practical GCP experience including Cloud Run, Cloud Storage, and basic IAM and monitoring. • Experience with comprehensive testing strategies: pytest, Jest, React Testing Library, and E2E testing frameworks like Playwright. • Familiarity with CI/CD practices, GitHub Actions, and Docker containerization. • Understanding of security best practices including dependency management, secrets/config handling, and secure development workflows. • Ability to operate as a technical lead, mentoring others and owning architectural decisions across full-stack domains. • Experience or strong aptitude with AI-assisted development tools and workflows for improving code quality and developer productivity. • Google Spanner or cloud-native database experience is a plus. • BigQuery or data warehouse experience for analytics use cases is a plus. • Agent-based or MCP tool integration experience is a plus. • Experience with async/event-driven architectures is a plus. • Familiarity with infrastructure-as-code or Terraform is a plus. What about languages? English: Advanced (required for effective communication with global teams) How much experience must I have? 5+ years of experience in Full-stack Development or related disciplines such as Backend Engineering or Frontend Development, with demonstrated expertise in leading technical delivery across multiple layers of the stack. Our Perks and Benefits: 💰 Compensation & Financial Benefits: • Christmas Bonus. • Saving Fund. • Food/grocery vouchers. • Home Office allowance. 🏥 Health & Insurance: • MetLife Life Insurance with funeral coverage. • MetLife M