Senior Full-Stack Engineer Javascript Sombra is looking for a Senior/Lead Full Stack Developer to join our team and work on a project for one of our esteemed clients, a leading company that provides small and medium-sized businesses with access to affordable, high-quality services. The project focuses on building scalable and efficient web applications that support the client's mission to improve business operations. As a developer on this team, you will primarily focus on frontend development (80%) using React and TypeScript, while also contributing to backend development (20%) with Node.js. This role provides the opportunity to lead the technical direction of the project, mentor junior developers, and deliver high-quality solutions that have a significant impact on the business. Requirements: 5+ years of commercial experience in software development. Proven experience as a Senior or Lead developer. Strong proficiency in React and TypeScript. Some experience with Node.js and backend development. Expertise in integrating with REST APIs and GraphQL. Excellent problem-solving skills. Ability to work in a collaborative environment and lead a development team. Responsibilities: Lead and contribute to the development of web applications using React and TypeScript (majority of the job). Design and implement backend services with Node.js (minor part of the job). Integrate with REST APIs and GraphQL to build scalable and efficient solutions. Collaborate with cross-functional teams to deliver high-quality features and improvements. Provide technical leadership, mentor junior developers, and ensure best practices are followed. We Offer: Well-being: 10 working days of Paid Day Off within an individual year. Up to 15 working days of Unpaid days off within an individual year. Professional Growth: Dedicated professional training – 50% reimbursement of the professional training cost. Sombra University courses – enjoy a range of learning opportunities through Sombra University. It offers many educational courses, as well as educational lectures on a variety of topics. Sombra Around Tech – community attendance – Sombra unites engineers and experts in several areas: Front-end, Back-end, QA, DevOps, and Business Analysis. Mentorship program – available on request. UDEMY online course platform – stay up-to-date with the latest technologies and programming languages. English courses and Speaking Club – attend English classes twice a week in small groups. Added advantages: Work equipment (Laptop, monitor, and small devices compensation). Sombra's referral program – If you know someone you believe is a good fit for our cooperation, you can recommend them and get a reward. Public Holidays – celebrate 18 statutory holidays in Colombia. Sombra events – Join Sombra's traditional events (both online and offline). #J-18808-Ljbffr