Software Engineer

Building expressive web experiences with clarity and precision.

I am a driven and energetic professional with a passion for technology and music. With over five years of experience as a Technical Consultant and Software Engineer, and a background as a musician with Colombian roots, I blend these skills to create innovative solutions.

Frontend SystemsDesign & MotionTypeScriptCreative Tech
Highlights
Impact snapshot

5+

Years building

6+

Teams shipped

4

Languages

Current RoleMay 2025 - Present
Software Engineer

Nederlandse Spoorwegen - Agile Release Team (Koplopers team)

Andres Haayen

At Nederlandse Spoorwegen, I am part of the Agile Release Team in the Koplopers team. We develop and maintain the platform responsible for train equipment adjustment — helping planners manage train assignments and movements efficiently. As a Software Engineer, I focus on delivering performant, interactive user interfaces that enable fast and intuitive workflows. I collaborate closely with UX designers, back-end developers, and domain experts to ensure seamless integration and usability.

At a glance

A focused snapshot of my work. Open a card for details or jump into the timeline.

Experience
Selected Journey

Recent roles and impact highlights.

Software EngineerNederlandse Spoorwegen - Agile Release Team (Koplopers team)
Software EngineerNS Stations - OV Fiets
Skills
Skills

Stacks, tools, and the habits that keep delivery smooth.

NextJs - ReactJSTypeScriptNodeJS (Express, MongoDB, Mongoose)JavaScript ES6HTML5CSS3
Languages
Languages

Working fluency for global teams and clients.

DutchFluent
EnglishFluent
SpanishNative
Credentials
Education & Certifications

Open the full details when you need them.

Education2
Courses & Certifications5

Let’s build something great.

Open to frontend roles, product collaborations, and high‑impact teams.

© 2026Andres Haayen