{"schemaVersion":"jobsearcher.job.v1","id":"554dd244c046569867845cd1","url":"https://jobsearcher.com/jobs/554dd244c046569867845cd1","canonicalUrl":"https://jobsearcher.com/jobs/554dd244c046569867845cd1","title":"Senior Fullstack Developer","description":"Company Overview:\nGlobal Technology Services is a rapidly expanding organization situated in Medellín, Colombia. We pride ourselves on possessing one of the most influential networks within software\ndevelopment and IT services for the entertainment, financial, and logistics sectors. Our corporate projections offer a multitude of opportunities for professionals to elevate their careers\nand experience substantial growth. Joining our team means engaging with expansive engineering teams across Latin America, Philippines and the United States, contributing to cutting-edge developments in multiple industries.\n\nPosition Title: Senior Full Stack Developer\nLocation: US\n\nWhat you will be doing:\nWe are seeking a highly skilled Senior Full-Stack JavaScript/TypeScript Engineer to join our engineering team. In this role, you will design, develop, and optimize modern web applications\nand distributed systems, contributing across the entire software development lifecycle. You will play a key role in architecting scalable solutions, building high-performance user interfaces,\ndeveloping robust backend services, and driving engineering excellence through best practices and technical leadership. The ideal candidate combines deep expertise in modern JavaScript ecosystems with strong architectural thinking, AI agentic development, performance optimization experience, and a\npassion for building scalable, cloud-native applications.\nRequired Skills & Experience\nTo excel in this role, you should possess:\n\n6+ years of experience in Full-Stack (Backend - Frontend) TypeScript development\nExtensive experience building scalable full-stack applications and microservices using React, Next.js, Node.js, Express, HTML, and CSS\nStrong knowledge of RESTful API design and OpenAPI specifications\nExperience designing and integrating APIs, including REST and modern data-fetching patterns\nExtensive experience working with relational DBs like MySQL or Postgres and noSQL like MongoDB and Redis, with a solid understanding of data modeling trade-offs\nFamiliarity with micro-frontend architecture and module federation\nStrong experience building performant React applications using hooks and state management libraries such as Redux\nExperience with cloud-native application development using Docker and containerized environments\n1+ year hands-on experience integrating LLM APIs (OpenAI, Anthropic, or equivalent) into production or near-production systems\nStrong knowledge of JavaScript build tools such as Webpack and modern bundlers\nProficiency with Chrome DevTools and frontend performance profiling tools\nExperience creating AI agents that use tool-calling, function execution, and structured output.\nStrong experience with data structures, algorithms, and database design\nProven experience in software architecture, design patterns, and engineering best practices\nExperience with aws cloud environments.\nExperience with ecommerce/retail systems.\n\nNice to Have:\n\nExperience with public cloud services (Azure and GCP)\nExperience with legacy applications migration to modern stack\nContributions to open-source AI tooling or MCP ecosystem\n\nSoft Skills:\n\nStrong problem-solving and debugging skills\nExcellent communication and collaboration abilities\nAbility to work independently and take ownership of projects\nLeadership and mentorship mindset\nAttention to detail and commitment to high-quality user experiences\n\nWhy you will love GTS:\n\nJoin a powerful tech workforce and help us change the world through technology\nProfessional development opportunities with international customers\nCollaborative work environment\nCareer path and mentorship programs that will lead to new levels.\nJoin Lean Tech and contribute to shaping the data landscape within a dynamic and growing organization. Your skills will be honed, and your contributions will play a vital\nrole in our continued success. Lean Tech is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.","company":"Lean Solutions Group","rawCompany":"lean solutions group","city":"Washington","state":"DC","isRemote":false,"isActive":false,"createdAt":"2026-08-04T21:19:50.587Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Fullstack Developer","description":"Company Overview:\nGlobal Technology Services is a rapidly expanding organization situated in Medellín, Colombia. We pride ourselves on possessing one of the most influential networks within software\ndevelopment and IT services for the entertainment, financial, and logistics sectors. Our corporate projections offer a multitude of opportunities for professionals to elevate their careers\nand experience substantial growth. Joining our team means engaging with expansive engineering teams across Latin America, Philippines and the United States, contributing to cutting-edge developments in multiple industries.\n\nPosition Title: Senior Full Stack Developer\nLocation: US\n\nWhat you will be doing:\nWe are seeking a highly skilled Senior Full-Stack JavaScript/TypeScript Engineer to join our engineering team. In this role, you will design, develop, and optimize modern web applications\nand distributed systems, contributing across the entire software development lifecycle. You will play a key role in architecting scalable solutions, building high-performance user interfaces,\ndeveloping robust backend services, and driving engineering excellence through best practices and technical leadership. The ideal candidate combines deep expertise in modern JavaScript ecosystems with strong architectural thinking, AI agentic development, performance optimization experience, and a\npassion for building scalable, cloud-native applications.\nRequired Skills & Experience\nTo excel in this role, you should possess:\n\n6+ years of experience in Full-Stack (Backend - Frontend) TypeScript development\nExtensive experience building scalable full-stack applications and microservices using React, Next.js, Node.js, Express, HTML, and CSS\nStrong knowledge of RESTful API design and OpenAPI specifications\nExperience designing and integrating APIs, including REST and modern data-fetching patterns\nExtensive experience working with relational DBs like MySQL or Postgres and noSQL like MongoDB and Redis, with a solid understanding of data modeling trade-offs\nFamiliarity with micro-frontend architecture and module federation\nStrong experience building performant React applications using hooks and state management libraries such as Redux\nExperience with cloud-native application development using Docker and containerized environments\n1+ year hands-on experience integrating LLM APIs (OpenAI, Anthropic, or equivalent) into production or near-production systems\nStrong knowledge of JavaScript build tools such as Webpack and modern bundlers\nProficiency with Chrome DevTools and frontend performance profiling tools\nExperience creating AI agents that use tool-calling, function execution, and structured output.\nStrong experience with data structures, algorithms, and database design\nProven experience in software architecture, design patterns, and engineering best practices\nExperience with aws cloud environments.\nExperience with ecommerce/retail systems.\n\nNice to Have:\n\nExperience with public cloud services (Azure and GCP)\nExperience with legacy applications migration to modern stack\nContributions to open-source AI tooling or MCP ecosystem\n\nSoft Skills:\n\nStrong problem-solving and debugging skills\nExcellent communication and collaboration abilities\nAbility to work independently and take ownership of projects\nLeadership and mentorship mindset\nAttention to detail and commitment to high-quality user experiences\n\nWhy you will love GTS:\n\nJoin a powerful tech workforce and help us change the world through technology\nProfessional development opportunities with international customers\nCollaborative work environment\nCareer path and mentorship programs that will lead to new levels.\nJoin Lean Tech and contribute to shaping the data landscape within a dynamic and growing organization. Your skills will be honed, and your contributions will play a vital\nrole in our continued success. Lean Tech is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.","datePosted":"2026-08-04T21:19:50.587Z","dateModified":"2026-08-04T21:19:50.587Z","hiringOrganization":{"@type":"Organization","name":"Lean Solutions Group","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Washington","addressRegion":"DC","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"554dd244c046569867845cd1"},"url":"https://jobsearcher.com/jobs/554dd244c046569867845cd1"}}