.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, for a hybrid role in Guadalajara, Mexico, with a global startup that is a leader in the ConTech SaaS sector. Our client is revolutionizing the commercial contracting industry with a cutting-edge B2B SaaS product targeting the vast North American market, valued at over $100 billion.This startup, in its Series B stage, has successfully secured over $140 million in funding over the last four years, supported by notable venture capital firms known for their successful public offerings and exits. With a current valuation at $320 million and on the trajectory to achieving Unicorn Status, our client is rapidly expanding. They are bolstering their team of 93 engineers across the US, Canada, Mexico, Brazil, Argentina, and Ukraine with an additional 25+ positions in Guadalajara to establish a new office.This role is a prime opportunity to contribute to a fast-growing company poised for significant impact in the SaaS domain, offering the chance to work on innovative projects alongside a talented and diverse team.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 Requirements- Equivalent of 5 + years of experience on senior engineering roles (designing APIs, abstractions, and tools used by other engineers).- Equivalent of 5+ years of software development experience.- We expect that as an individual contributor, you are a role model to more junior engineers.- You will be 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 Node