Senior Typescript Developer (f/m/d)
Sidestream · Cologne
What this role requires
4 requirements, read out of the advert rather than guessed from the job title:
Also mentioned, not required: English (B2), German. Worth having, but their absence is not what gets a CV filtered out.
See how often each of these is required across open full-stack roles in Europe.
Free, no card. Tells you which of them your CV evidences and which it only implies.
Job description
Why Join Sidestream?
At Sidestream, we’re building a team of committed, explorative and witty individuals who love pushing boundaries while having fun. Here’s what you can expect:
Impactful Work: Contribute to projects that matter, whether it’s digitalizing leading companies, developing open-source tool or innovating with blockchain and AI.
Learning & Growth: Gain mentoring from experienced professionals and access to proven processes that prepare you for success in a fast-paced tech environment.
Our Culture of Excellence: Embrace modern systems like the Entrepreneurial Operating System (EOS) to deliver outstanding performance and achieve ambitious goals.
Collaboration & Fun: Be part of a driven team that values humor, creativity and shared experiences, with regular team events and occasional meetups.
Read the full description (18 more sections)Show less
Flexibility: Work remotely, from our modern office in Cologne, or a mix of both—whatever helps you thrive.
Tasks
Your Responsibilities
Fullstack Development: Build robust applications using TypeScript, Nuxt3 and Vue.
Lead Projects: Collaborate with product managers to conceptualize, architect, and implement projects in agile teams.
Mentor and Guide: Help junior developers level up their skills through mentoring and collaborative projects.
Drive Innovation: Propose and implement new technologies or methodologies to keep Sidestream at the cutting edge.
Requirements
What You Bring
Deep Expertise: You have advanced experience in TypeScript or JavaScript and a solid understanding of frameworks like Nuxt and Vue.
Full-Stack Confidence: You’re comfortable working on both frontend and backend projects, taking ownership of the entire stack.
Leadership in Action: You can independently complete projects and enjoy mentoring less experienced developers to help them grow.
Craftsmanship: You take pride in writing high-quality, peer-reviewed, and production-ready code that makes a real impact.
Pragmatic Approach: You focus on doing the right things, the right way, efficiently and effectively.
Hands-On Problem Solver: You’re open to a real-life coding challenge during the application process. We value developers who enjoy rolling up their sleeves and writing great code, not just technical managers.
Strong Communicator: Your can communicate great in English (and German is a bonus).
No cover letter required! Instead, share 2-3 sentences about why you’re excited about this role and what makes Sidestream appealing to you. You can also include links to projects you’ve worked on to give us an impression of your skills and contributions.
Find Jobs in Germany on Arbeitnow
You will apply. Then you will hear nothing.
And no one will tell you what was wrong. See it before you send: your ATS score, every weak line, and the fix for each.
- 1
Drop in your CV
One PDF, thirty seconds. No card.
- 2
See what is wrong with it
Every weak passage, quoted from your own CV, with the line to replace it.
- 3
Apply where you fit
Every European role ranked against what your CV actually says.
What's actually stopping you?
- I apply and hear nothing backStart with the ATS scan — see what a filter does to your CV before a human sees it.Start here →
- I can't tell which roles I'd getStart with the match scores — every listing here ranked against what your CV actually says.Start here →
- Just browsing for nowKeep looking. Nothing to sign up for.
- Free, no card
- Your CV file is deleted after parsing
- Refreshed every 6 hours