Skip to main content
YN
Looking for a job

Yeison Fernando Sisa Niño

@yeisonfernandosisani

I build scalable full-stack web applications with React, Node.js, Python, Java, and PostgreSQL.

Colombia
Message

What I'm looking for

I'm open to remote opportunities where I can build scalable, user-centered web applications, improve code quality, and continue growing across frontend and backend development.

I've built and delivered web products at Blazar Solutions using React.js, Node.js, HTML, CSS, and JavaScript, including reusable components, validations, REST API integrations, and SEO improvements.

As a Systems Engineer, I work across modern interfaces, backend services, authentication, and databases. My projects include CRUD and PERN applications with JWT authentication, REST APIs, Python, Node.js, React.js, and PostgreSQL.

Experience

Work history, roles, and key accomplishments

BS

Junior Developer Engineer

Blazar Solutions S.A.S.

Jul 2023 - Mar 2025 (1 year 8 months)

Designed and built React.js interfaces integrating REST APIs to improve user experience and performance. Developed and deployed backend services with Node.js and Express.js to extend key web app features.

HS

Beginner Programmer

Heinsohn Human Global Solutions S.A.S.

May 2022 - Jul 2022 (2 months)

Designed, developed and implemented Java-based features, ensuring efficient and maintainable solutions.

BS

Beginner Programmer

Blazar Solutions S.A.S.

Nov 2021 - May 2022 (6 months)

Built and delivered company products using React.js, Node.js, HTML, CSS, and JavaScript technologies. Applied advanced SEO techniques to optimize the website and significantly improve its search rankings.

Education

Degrees, certifications, and relevant coursework

ABA English logoAE

ABA English

English C1 Advanced, English

English C1 Advanced certificate from ABA English, completed in 2026.

Udemy logoUD

Udemy

SQL Certificate, SQL

SQL Certificate from Udemy, completed in 2026.

Udemy logoUD

Udemy

Git & GitHub Certificate, Git & GitHub

Git & GitHub Certificate from Udemy, completed in 2026.

National Open and Distance University (UNAD) logoNU

National Open and Distance University (UNAD)

Bachelor of Systems Engineering, Systems Engineering

Bachelor of Systems Engineering degree from the National Open and Distance University (UNAD), completed in 2025.

National Learning Service (SENA) logoNS

National Learning Service (SENA)

Associate Degree, Information Systems Analysis & Development

Associate Degree in Information Systems Analysis & Development from the National Learning Service (SENA), completed in 2022.

Get matched with your dream remote job

Sign up now and join over 250,000+ remote workers who receive personalized job alerts, curated job matches, and more for free!

Sign up
Himalayas profile for an example user named Frankie Sullivan