You’re studying Product Design (or something close to it), love asking why, and get excited when you can actually improve things instead of just talking about them?
Perfect.
We’re looking for a Working Student to support our in-house Product Design team - someone who’s eager to get their hands dirty in usability testing, research, and real product decisions. This is not a “watch and learn from the sidelines” role. You’ll actively contribute, validate ideas, structure insights, and help shape user experiences in a fast-moving, startup-like environment.
If you enjoy turning feedback into action, love structured thinking, and want to see how design decisions are made in the real world - keep reading.
🎯 Your Mission
Support our Product Design team in turning user insights into better experiences - and better experiences into measurable impact. You’ll help us test, validate, research, structure, and execute. In short: you’ll make sure great ideas don’t stay ideas.
🚀 Your Responsibilities
1. Usability Testing & Validation Support
* Prepare usability test scenarios and define clear objectives
* Set up and manage research tools (e.g., surveys, testing setups)
* Create surveys to validate design decisions (e.g., CTAs, buttons, interaction patterns)
* Document user behavior and extract structured insights
* Support in analyzing findings and identifying patterns and improvement areas
2. User Insight & Research
* Conduct primary and secondary research (surveys, desk research, data reviews)
* Perform competitive and market research to identify benchmarks and user expectations
* Investigate specific UX topics using qualitative and quantitative methods
* Synthesize findings into clear, structured summaries for design and product discussions
3. Ad-Hoc Design Support
* Support designers with hands-on tasks across projects
* Help finalize and update presentation decks (e.g., All Hands, stakeholder slides)
* Assist with style guide tasks and maintaining visual consistency
* Contribute to design tickets (e.g., banners, small execution tasks)
🧠 What You Bring
* You’re currently studying Product Design or a related field (advanced Bachelor’s or Master’s level)
* You’re available at least 15 hours per week
* You have a strong interest in UX, usability testing, and design research
* You enjoy structured thinking and working detail-oriented
* You’re proactive and able to identify tasks independently
* You’re comfortable working in a dynamic, fast-paced environment
* Experience with Figma is a strong plus
* German and English at C1 level
* And most importantly: You’re curious. You ask questions. You don’t wait to be told every next step. You’re excited about turning feedback into better products.
💌 JUMiNGO offers you
* Flexible working hours, hybrid option (1 day in office per week) and possibility for up to 12 days of "workation" per year
* 10-15 (depending on your work split) paid vacation days to recharge your batteries as well as the option to take unpaid vacation days
* Stability through permanent employment and optional a company pension plan
* Extensive onboarding as well as start-up flair with short communication channels and flat hierarchies in an agile working environment
* Modern, bright office building at Cologne Central Station with ergonomic office equipment, Skygarden with Dom-view and several sun terraces for relaxed breaks (if preferred - you are also free to work completely remotely)
* Monthly €25 extra cash for "Whatever you want!" (via Pluxee Card or Urban Sports membership) as well as a mobility allowance for either a Germany ticket or parking spot
* Cool drinks, coffee, fruit and snacks as well as an in-house restaurant to make your office days even better
* Several office dogs as well as the possibility to bring your (office-suitable) four-legged friend along 🐶
Sounds good?
We think so, too! Apply now at JUMiNGO in just 3 minutes and be #partofthehub 🚀
We can't wait to see how you'll shape our frontend future!
❗Please note, that we can only consider applications from within Germany for compliance reasons.
Your contact person:
Alina Fischer
Talent Acquisition Partner
jobs@jumingo.com
Data protection information
When sending my application, I hereby confirm that I have acknowledged the „Information about data protection and applicant data processing acc. to Art. 13, 14 and 21 of the General Data Protection Regulation (GDPR)“