.Who Are We?Tenmás is a company headquartered in the United States with operations in LatAm. We specialize in the placement and management of remote tech talent from Latin America for companies around the world.What Are We Looking For?Tenmás is looking for a Senior Full-Stack Javascript Engineer, with a minimum of 5 years of experience using React and Node, to work hybrid in Guadalajara, Mexico, with a global startup.This is a great opportunity to be a part of their new team forming in Guadalajara, Mexico.As a Senior Full-Stack Software Engineer, you will:Write quality code with 80%+ code coverage, and thoroughly documented.Develop, support, and improve our GraphQL API.Build and maintain real-time, event-driven systems, services, and features.Create new components and improve existing components in our React component library.Teach and enforce documentation standards.Propose recommendations, build prototypes, and provide feedback.Work with the QA engineering team.Own the short-and-long term technical vision of your squad.Be responsible for all major technical decisions for your squad and be able to influence the decisions of your team without having to make all of them.Provide technical mentorship and guidance to engineers within your team and others.Help improve the technical quality of our work through regular technical design and code reviews.Share your technical knowledge and expertise.Communicate effectively with engineers, product managers, customers, partners, and other leaders.Technical RequirementsEquivalent of 5+ years of experience in senior engineering roles (designing APIs, abstractions, and tools used by other engineers).Equivalent of 5+ years of software development experience.You are expected to guide the technology decisions of your squad while contributing alongside them.Write modern JavaScript/ECMAScript code that is clean, well-tested, and reusable.Strong communication and technical writing skills.Strong experience with React.Js to develop and test applications/components that work optimistically in a production environment.Strong experience with Node.Js based GraphQL API using Apollo.Prior knowledge or ability to quickly learn React Native for mobile development preferred.Prior knowledge or ability to quickly learn Material-UI component library preferred.Prior knowledge or ability to quickly learn developing in a CI/CD environment preferred.Prior knowledge or familiarity with Python for back-end development is a plus.Familiarity with Jest, unit testing, debugging, profiling, performance monitoring.B.S., M.S. or PhD from a top university in computer science, engineering or related fields.Non-Technical RequirementsFluent in English.LocationGuadalajara, Jalisco, Mexico.Work ModalityHybrid.In office 3 days a week.BenefitsSalary ($6,000 - $9,000 USD).Company stock options.Fast-paced, collaborative, and dynamic work environment.Opportunities for growth and career advancement