Web App Developer (Tech Startup)

Communication and Information Sciences, Engineering and/or Technology
2 Jan, 2023 to 30 Jun, 2023
8 Dec, 2022

General information

6 months


We are looking for a web app developer to design a web-based application to interact with our machines. The work will involve full-stack development including the front-end UI/UX design, back-end architecture, database communication, user authentication, data encryption, testing, and iterating. Most importantly, we are looking for someone who is passionate about our product, our mission, and changing the world! 

Responsibilities and Duties:

  • Full-stack web app development using Flutter framework for cross-platform compatibility (Android, iOS, web, etc.). 
  • Designing the front-end UI/UX of the web app to ensure an intuitive seamless workflow across various devices (mobile, tablet, desktop, etc.). 
  • Authenticating and communicating with a Raspberry Pi and remote database to send and receive data in real-time.
  • Testing, debugging, and iterating the web app.


  • Experience with programming languages and best practices.
  • Able to work and solve problems independently.
  • Detail-oriented, responsible, ambitious, and motivated.
  • Capable of working and communicating in English.

Nice to Have:

  • Experience programming in Dart and developing web applications with Flutter framework across multiple platforms. 
  • Experience designing back-end architecture for web applications. 
  • Experience designing front-end UI/UX for web applications. 
  • Experience with database communication. 


  • Unique internship experience in the heart of Krakow, Poland. 
  • Hands-on work developing an interesting and innovative product.
  • Work independently on a variety of tasks in a startup environment.
  • Semi-flexible work hours with an accessible facility location.


Interested candidates should send in their CV along with a personal introduction explaining why they are excited about this internship opportunity.

Email info[at]metalmaker3d(dot)com with the title: "Applying for Web App Developer Internship role at MetalMaker 3D".

Please attach the below clause to your application: "I hereby give consent for my personal data included in my application to be processed for the purposes of the recruitment process in MetalMaker 3D Sp. z. o. o. under the Personal Data Protection Act as of 29 August 1997, consolidated text: Journal of Laws 2016, item 922 as amended". 

We are happy to consider motivated university students studying mechanical, electrical, software, automation, and robotics engineering or computer science for internships to work on this project.

About MetalMaker 3D:

MetalMaker 3D is an advanced manufacturing tech startup with venture capital funding from Techstars and Stanley Black & Decker. We are developing a compact, affordable, and intuitive foundry system for making cast metal parts with the dimensional and material properties of industrial castings.

Our MetalMaker System will allow engineers, professionals, and small businesses to produce prototypes and production runs of cast metal parts. By integrating metal casting with 3D printing, we are able to provide an agile process workflow that will disrupt the metal casting and additive manufacturing industries. 

We are now searching for engineers to develop our team in Kraków, Poland. 

No financial compensation
Years of Experience required: 
English: Independent User B2
Level of Studies: