or apply directly on GROPYUS's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 26 days GROPYUS's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 0% of GROPYUS's roles list one
- Ghost-job risk at GROPYUS
- high 59 stale, 2 reposted of 94 open
- Hiring momentum
- 102 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from GROPYUS's own greenhouse board since 2026-08-03. Full hiring picture for GROPYUS.
About this role
As a Freelance Frontend Engineer at GROPYUS, you will enhance the user experience of tools that support automated planning and production processes for residential buildings. Your work will primarily involve developing frontend features using React and integrating 3D visualization capabilities with Three.js, while also collaborating with backend services and contributing to API development as needed. This role emphasizes teamwork and innovation in creating seamless interactions with complex building data.
- benefits
- 1/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of GROPYUS as an employer.
What you need
- Strong experience with React and modern TypeScript-based frontend development
- Experience building complex, interactive web applications with a focus on usability and performance
- Hands-on experience with Three.js or other 3D web technologies
- Experience working with HTML5 Canvas, WebGL, or similar visualisation frameworks
- Ability to translate product and design requirements into robust, user-friendly solutions
- Experience integrating frontend applications with GRPC APIs and backend services
Nice to have
- Interest in 3D visualisation, CAD-like applications, digital planning tools, or parametric systems is a strong plus
- Experience with Kotlin, Azure, or backend development is beneficial but not required
Worth weighing
- Project load is estimated at 30-40 hours weekly
- Total duration is 6-8 months
- Self-employed/contractor setup required for taxation purposes
- Remote work is allowed from anywhere in the EU
Summarised from GROPYUS's posting. Read the full original.
Listed by GROPYUS on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
More roles at GROPYUS
- Accountant (m/w/d)Berlin, Berlin, Germany
- Bauphysiker / Ingenieur für Bauphysik (m/w/d)Vienna, Vienna, Austria
- Building Physics Engineer (all genders)Berlin, Berlin, Germany; Richen, Baden-Württemberg, Germany
- Building Physics Engineer (all genders)Vienna, Vienna, Austria
- Head of Cost Optimization Building System (all genders)Berlin, Berlin, Germany
- Head of Cost Optimization Building System (m/w/d)Vienna, Vienna, Austria
- Bauphysiker / Ingenieur für Bauphysik (m/w/d)Berlin, Berlin, Germany; Richen, Baden-Württemberg, Germany
- Head of Cost Optimization Building System (all genders)Vienna, Vienna, Austria