Junior Product Engineer (all genders) - koppla GmbH

koppla is building the next-gen collaborative scheduling platform for construction, helping project managers keep projects on time by identifying delays and disruptions before they impact timelines.

We are looking for a product-minded Junior Product Engineer in Berlin that loves building high-quality products. If you want to gain hands-on experience in building a real-world product at a venture-funded start up, while being able to learn from a senior team - this one is for you.

Location: Hybrid setup (2+ days in office) in Berlin (U Turmstraße)

• Collaborate with experienced engineers, product managers, and designers to build and improve features for our scheduling tool in a truly cross-functional process.
• Develop user-facing features using Vue.js, TypeScript, and other modern technologies.
• Work on integrating frontend components with backend services (REST, WebSocket).
• Participate in code reviews to learn and apply best practices for clean, maintainable code.
• Assist with debugging, testing, and improving performance to ensure high-quality releases.
• Take ownership of smaller tasks and grow into taking on larger responsibilities as you gain experience.

Requirements

This role is perfect for a recent computer science graduate or someone early in their career with a strong trajectory and a passion for frontend development. If you want to jump into the world of start-ups, this is for you! You are likely a great fit if:

• You have a solid understanding of frontend fundamentals (HTML, CSS, JavaScript) and some experience with modern frameworks like Vue.js, React, or Angular (from internships, projects, or coursework).
• You're passionate about creating intuitive and user-friendly interfaces and care about delivering a great user experience.
• You're eager to learn and grow in a startup environment, where you'll have the opportunity to take on new challenges and responsibilities.
• You enjoy collaborating in a cross-functional team, asking questions, and improving through feedback.
• You're proactive, curious, and solution-oriented, with a willingness to tackle challenges (with support from your team).
• Beyond the role-specific requirements, you also see your own values reflected in our culture playbook.

Team

• A company of co-owners through tax-optimized equity grants.
• A culture with a focus on transparency, respect, ownership, collaboration and the well-being of each team member on this exciting journey.
• An environment that values hard-work while still allowing work-life/family integration through 28 days PTO, flexible working hours, workation and a hybrid setup.
• Dog-friendly office in Berlin with free lunch, besides beverages and snacks as well as a home office budget at start.
• And more: Annual personal training budget of 1,500€, Company supported pension Scheme ("BAV", 30% contribution), Urban Sports Club Membership, Home Office budget and more.

1. Initial Interview (with People & Culture - Basic Culture Fit, Expectations, General Screening)
2. Coding Challenge with Coderbyte
3. Technical Interview
4. Founder Interview (Meet the Founders - Mindset, Strategy, Culture Fit)
5. Reference Call (we would like to speak to one of your Line Managers from one of the last positions and will ask for contact details)

About the Company

koppla vereinfacht die Terminplanung und -steuerung von Bauprojekten, um effizienter, schneller und günstiger zu bauen!

Hi Wir sind koppla!

Wir sind ein motiviertes und ambitioniertes Team , das sich zum Ziel gesetzt hat, die Bauindustrie dabei zu unterstützen, effizienter zu bauen. Wir arbeiten bereits mit führenden Bauunternehmen zusammen und erzielen messbare Ergebnisse für unsere Kunden (mehrmonatige Zeitersparnisse durch koppla).

Unsere Ambitionen werden von führenden VCs (Earlybird, Newion) und Angels aus der Branche unterstützt , da wir uns einem billion-dollar Problem in einer unterdigitalisierten und unterversorgten Branche widmen.

Bei uns ist Unternehmenskultur mehr als nur ein Buzzword: Wir leben Eigenverantwortung, offene Kommunikation und ehrliches Feedback - und das alles in einem Umfeld, wo Teamgeist über Konkurrenzdenken steht. So schaffen wir ein Team, das Höchstleistungen abliefert und sich gleichzeitig wohlfühlt und Spaß hat.

Was dich bei uns erwartet: ✔ Echter Gestaltungsspielraum - bring deine Ideen ein und setz sie um

✔ Kurze Wege & schnelle Entscheidungen - keine Bürokratie, nur Fortschritt

Du willst nicht einfach nur mitlaufen, sondern mitgestalten? Dann bist du bei uns genau richtig. Lass uns gemeinsam die Bauindustrie verändern!