Global Technology Services is a rapidly expanding organization situated in Medellín, Colombia. We pride ourselves on possessing one of the most influential networks within software development and IT services for the entertainment, financial, and logistics sectors. Our corporate projections offer a multitude of opportunities for professionals to elevate their careers and 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.
Position Title: Senior Fullstack Developer
Location: Hybrid – Medellín
What you will be doing:
We are seeking a Fullstack Developer with 5+ years of experience who can move seamlessly between front-end and back-end development. While expertise in the JavaScript ecosystem (Node.js, React.js, TypeScript) is expected. Candidates should be tech-agnostic and comfortable contributing to multiple coding environments as needed.
You will work closely with multinational teams to deliver high-quality solutions and support the full product lifecycle, including backend services, APIs, and front-end features. You will engage with our entire technical stack and contribute to both product development and operational support.
Design, implement, and maintain fullstack solutions primarily using Node.js, React.js, and TypeScript
Build and maintain scalable backend APIs and integrate with third-party services
Develop front-end components using MUI (Material UI) in React
Collaborate with cross-functional teams, including product, operations, and QA
Participate in code reviews, debugging, and troubleshooting issues across the stack
Support CI/CD pipelines and adhere to software development best practices
Required Skills & Experience
To excel in this role, you should possess:
5-7 years of experience in fullstack development or equivalent front-end/back-end roles
Strong proficiency with Node.js, React.js, and TypeScript
Solid understanding of SQL (Microsoft SQL is a plus) and NoSQL (MongoDB) best practices.
Exposure to AWS services including SQS, EC2, Fargate, Lambda, and RDS
Experience with version control tools such as Git/GitHub Actions
Adaptable mindset with willingness to learn
Nice to Have:
Occasionally contribute to Java and PHP codebases, learning and adapting as required
Experience building pure code solutions without heavy frameworks
Background in high-growth or startup environments
Soft Skills:
Strong problem-solving and debugging abilities
Excellent communication and collaboration skills
Adaptable mindset with willingness to learn
Attention to detail and commitment to high-quality user experiences
Ability to learn quickly and adapt to new technologies
Fluent English for communication with international teams
Why you will love GTS:
Join a powerful tech workforce and help us change the world through technology
Professional development opportunities with international customers
Collaborative work environment
Career path and mentorship programs that will lead to new levels.
Join 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 role 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.

: About Us: As the technology division of Lean Solutions Group, we're on a mission to help you achieve all your technology initiatives. At Lean Tech, we believe in innovation-led processes that will lead to unparalleled levels of quality and productivity. Our commitment lies in evolving the tech landscape by introducing innovative solutions that empower businesses and individual contributors to do more, with less. We're realizing the new era of productivity.
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