Dany Castillo

Dany Castillo

Design focused engineer


Curious, interested in design and systems

Side Projects


Designed and built a website for the Berlin-based techno music label TMN TRAX.


Wrote an open source library to solve a problem with style composition we had at Laserfocus after switching from Theme UI to Tailwind CSS.


Questions & Answers

Work Experience

2022 — Now
Remote / Berlin, Germany

Trying to find product/market fit with a realtime sync powered calendar app for teams.

Tech stack: TypeScript, React, MobX, Tailwind CSS, Electron

2020 — 2022
Remote / Berlin, Germany

Two co-founders and me trying to find product/market fit with a realtime sync powered enjoyable Salesforce interface.

Tech stack: TypeScript, React, Next.js, MobX, Replicache, GraphQL, Tailwind CSS, Nx, Jest, AWS

2019 — 2020
Remote / Berlin, Germany

Initiated and led the Design System team, created a new product as part of the Growth team and converted everything and everyone to TypeScript. I also enjoyed working on software architecture in the frontend codebase.

Tech stack: TypeScript, JavaScript, React, Redux, Theme UI (CSS-in-JS), Jest, AWS S3, AWS Cloudfront

2018 — 2020
Remote / Berlin, Germany

I brought the freshly founded company Neue Narrative into the internet by building the frontend and backend as the first technical person in the team.

Neue Narrative became quite successful, growing significantly by becoming a tech company and scaling to tens of thousands of customers a couple years later.

Tech stack: Gatsby, React, TypeScript, GraphQL, Node.js, AWS Lambda

2018 — 2019
Berlin, Germany

Worked mainly on a web app with React and Redux and a PHP website with Kirby CMS. I implemented TypeScript into our codebase.

Tech stack: TypeScript, JavaScript, React, Redux, Kirby, Jest, Cypress, Storybook

2017 — 2018
Berlin, Germany

Took ownership over the QA process. I’ve set up automated unit- and e2e-testing and improved the reviewing and deployment processes.

Tech stack: JavaScript, React, Jest, Cypress

2015 — 2016
Berlin, Germany

Worked on digitalising production line reports for products (giant machines for power plants) built in the Siemens factories. I tested the system and reported statistics about appearance and distribution of issues, wrote an export tool for the reports so they could be archived.

2012 — 2015
Photographer at myself
Nürnberg, Germany

Started as a hobby and developed into commercial photo shoots in the fashion industry on location or in the studio, working with art directors, make up artists, etc. I focused on the technical side of photography.


2017 — 2017
Berlin, Germany

Built the FT17 race car as part of the Suspension and Frame team. This included prototyping with 3D printers, manufacturing carbon fiber and steel parts, car assembly and producing plots. The FT17 won several prizes.

2013 — 2016
Erlangen, Germany and Berlin, Germany

Developed a new design system and led a project team for designing and distributing a calendar notebook for students. I also represented bonding at meetings with partner organisations within Europe.

2013 — 2014
Erlangen, Germany

Helped producing prototypes of a crash nose for a race car: manufacturing of carbon fiber parts, executing crash tests and optimising the form.


2014 — 2018
Mechanical Engineering at Technische Universität Berlin
Berlin, Germany
2013 — 2014
Mechatronics at Friedrich-Alexander-Universität Erlangen-Nürnberg
Erlangen, Germany

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