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Hi, I’m Jon Andoni Castelo Meléndez, a Bilbao-based Angular developer with experience across freelance and contract roles since 2018. I design and implement scalable front-end architectures, work with NGRX, Nx, and backend integration using NestJS and MongoDB, while embracing containerization with Docker and orchestration with Kubernetes. I’m passionate about solving problems, learning new technologies, and mentoring junior developers. In my spare time I enjoy rowing, spinning, chess, coding, and boxing.…Hi, I’m Jon Andoni Castelo Meléndez, a Bilbao-based Angular developer with experience across freelance and contract roles since 2018. I design and implement scalable front-end architectures, work with NGRX, Nx, and backend integration using NestJS and MongoDB, while embracing containerization with Docker and orchestration with Kubernetes. I’m passionate about solving problems, learning new technologies, and mentoring junior developers. In my spare time I enjoy rowing, spinning, chess, coding, and boxing.

Jon Andoni Castelo Meléndez

Web Developer, Front-End Developer, App Developer, +1

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Hi, I’m Jon Andoni Castelo Meléndez, a Bilbao-based Angular developer with experience across freelance and contract roles since 2018. I design and implement scalable front-end architectures, work with NGRX, Nx, and backend integration using NestJS and MongoDB, while embracing containerization with Docker and orchestration with Kubernetes. I’m passionate about solving problems, learning new technologies, and mentoring junior developers. In my spare time I enjoy rowing, spinning, chess, coding, and boxing.…Hi, I’m Jon Andoni Castelo Meléndez, a Bilbao-based Angular developer with experience across freelance and contract roles since 2018. I design and implement scalable front-end architectures, work with NGRX, Nx, and backend integration using NestJS and MongoDB, while embracing containerization with Docker and orchestration with Kubernetes. I’m passionate about solving problems, learning new technologies, and mentoring junior developers. In my spare time I enjoy rowing, spinning, chess, coding, and boxing.

Available to hire

Hi, I’m Jon Andoni Castelo Meléndez, a Bilbao-based Angular developer with experience across freelance and contract roles since 2018. I design and implement scalable front-end architectures, work with NGRX, Nx, and backend integration using NestJS and MongoDB, while embracing containerization with Docker and orchestration with Kubernetes.
I’m passionate about solving problems, learning new technologies, and mentoring junior developers. In my spare time I enjoy rowing, spinning, chess, coding, and boxing.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Basque

Fluent

English

Advanced

Spanish; Castilian

Fluent

Work Experience

Angular Developer at Wettermanufaktur

January 1, 2023 - December 16, 2025

Freelance Angular 19 project: Weather forecast application. Ngrx. Signals.

Angular Developer at Atos

August 1, 2022 - December 31, 2022

Angular 13 project: Application made for the Dutch elections. Nx monorepo.

Angular Developer at Freelancer

August 1, 2020 - April 30, 2022

Angular 11 project: Advertising industry project built on bare metal Kubernetes (Autoscaling, private docker registry, Prometheus, Istio and Kiali). Private application (VPN) for employees. NGRX on frontend. Backend built with NestJS. MongoDB. Apache Solr. JWT. Docker-compose.

Angular Developer at Infortec

September 1, 2021 - December 31, 2021

Angular 10 project: Airlines industry project done with Angular. Architect. Backend built with Java Spring Boot. MySQL database. Angular OnPush strategy. Mentoring the team.

Angular Developer at Entelgy

September 1, 2020 - August 31, 2021

Angular 7 projects: Insurance industry projects built with angular. Backend build with NestJS. Websocket for WebRTC peer connection. Mongodb. Docker-compose. Leader of intern product with two coworkers. Mentoring of two junior developers. Microservice architecture.

Angular Developer at GrupoSCA

September 1, 2018 - February 29, 2020

Angular 8 project: Energy industry project with Angular 8 (Migration from 6 to 8). Html5 and CSS3. Paho Mqtt, web workers, Highcharts.

Web Developer at Serikat

January 1, 2018 - June 30, 2018

VB.NET project: Agri-food industry project with Visual Basic (View, Model and Controller).