Diego Mellis Galaz

Backend Software Engineer · Berlin, Germany

Available now · Berlin, Germany 🇩🇪 · EU 🇪🇺

In Berlin since 2023 · German: Goethe-Institut B1, working towards C1.1

3+

years backend engineering

Looking for backend or platform engineering roles in Germany & the EU

Diego Mellis Galaz

👋 About me

I'm Diego, a Chilean 🇨🇱 who has been in Berlin since April 2023. Moving here was a dream I'd carried since university. Two friends did an exchange in Germany and came home comparing everything to Chile, and I realized I didn't want to just hear their stories. I wanted to live it and form my own opinion. The decision wasn't easy, but I made it.

Since landing, I've thrown myself into it: learning the culture, building real friendships, and getting out into the city. Bouldering, biking, and hunting down every green space I can find (I do miss the mountains, though. Berlin is very flat 😅). The job market has been a real challenge, and rather than let the rejections define me, I leaned hard into learning German. I earned my Goethe-Institut B1 certificate and have since completed coursework up to C1.1, and I'm still climbing. Picking it up this fast is one of the things I'm proudest of here. A smooth sea never made a skilled sailor.

On the work side, I'm a backend engineer with 3+ years building APIs and microservices on AWS, GCP, and Azure. I like taking a system from a rough idea all the way to production: modeling the database, designing the API, then staying close to it through deployment and whatever breaks after. I do my best work on small teams where I can fully own things rather than hand off pieces of a puzzle.

Experience

  1. Jul 2022 – Jan 2023

    Full Stack Engineer · IX Comercio (Intcomex)

    Founding member of a new Payment Team; built a payment orchestrator end-to-end, from database design to production deployment on Azure.

  2. Dec 2021 – Jul 2022

    Software Engineer · Falabella Retail S.A.

    Owned GCP microservices delivery end-to-end and stepped in as backup Tech Lead across reviews, client communication, and documentation.

    95% logistics ops automated
  3. Mar 2021 – Nov 2021

    Software Engineer · ALeRCE Astronomical Project

    Maintained and scaled a Kafka-based AWS pipeline processing millions of telescope alert events per night.

    Millions telescope alerts processed nightlyALeRCE project
  4. Jul 2019 – Sep 2019

    Full Stack Developer Trainee · Drimo (ex Rokketslab)

    Built React components and Node.js APIs within a custom internal framework; first hands-on exposure to AWS S3 and GraphQL in a product context.

  5. Oct 2018

    Backend Engineer (Freelance) · AVLA

    Implemented a high-throughput system for external-service queries in Java Spring Boot, reducing per-query cost for the client.

Skills

Languages & Frameworks

  • Python
  • FastAPI
  • Django
  • Flask
  • TypeScript
  • JavaScript
  • Node.js
  • Java
  • Spring Boot
  • SQL

Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • SQLAlchemy
  • Sequelize

Cloud & Infrastructure

  • AWS (Lambda, S3, EC2, EKS)
  • GCP (Cloud Run, Cloud Storage, Pub/Sub)
  • Docker
  • Kubernetes
  • Kafka
  • Terraform
  • CI/CD (GitHub Actions, GitLab CI)

Observability & Tooling

  • REST API Design
  • Microservices
  • Elasticsearch / Kibana
  • WinstonJS
  • Log4j
  • Git
  • JIRA

Data & Analytics

  • BigQuery
  • Pandas
  • Google Data Analytics Certificate (2026)

Frontend

  • React
  • Vue.js

🌍 Languages

  • SpanishNative
  • EnglishFluent
  • GermanGoethe-Institut B1 certified, coursework to C1.1

Education

  • B.Sc. Computer Science

    Universidad de Santiago de Chile

    2015 – 2020

  • Forensic Computer Expertise

    Universidad de Santiago de Chile

    2019

  • Google Data Analytics Certificate

    Coursera / Google

    2026

Additional

  • Teaching assistant (Ayudante), Universidad de Santiago de Chile

    Ran supplementary classes for fellow students in courses I'd already completed: Programming and Software Engineering Methodology. Taught Agile practices, bootstrapping Spring Boot projects with Maven, and CI/CD tooling including Jenkins and SonarQube.

  • 1st Place, DefHack Hackathon Chile (2018)

    Built WallyBot, a Telegram chatbot for student scheduling (Microsoft Bot Framework, C#), in a 26-hour competition organised by Microsoft, NASA, and DefHack.