Heartcore Portfolio Careers

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Fullstack Engineer for Talent Platform (w/m/d)



People & HR
Berlin, Germany
Posted on Wednesday, January 17, 2024

Help us prevent the coming labor shortage disaster of essential workers in Europe so that everyone can get medical care by nurses 🚑, everyone’s trains arrive punctually 🚋, everyone's parents can get human elderly care 👵.

We powered more than 1% of Germany's hires through HeyJobs.

Over 4.000 employers win their talent through our machine learning algorithms.

We positively impacted the lives of 100.000+ essential workers by finding better jobs on our career platform. Learn more here.

With over €50M funding and a team of 400+, we are expanding to revolutionize the European job market (from Berlin, Cologne, Hamburg and Vienna).

Join the HeyVolution. 💛

We offer you an influential role in a fast-growing company:

Our talent platform team designs, builds, and runs the next generation talent experience for millions of people.

  • You will be responsible for designing, implementing, and maintaining significant parts of our user flows and helping us become the go-to career advisor for skilled workers.

  • Your work will involve discussing, helping to design and implement various parts of our frontend product, including, but not limited to: user flows, layouts, controls, and interactions.

  • In your role, you will ensure that our site scales to millions of users and can cope with bots, crawlers and search engines.

  • We rely on a/b testing for any significant changes that we introduce, and you will be expected to own the a/b tests and the setup behind them.

  • Check out our stack here.

🎯 How you can contribute to HeyJobs

  • Be involved in growing an isomorphic universal JavaScript frontend application with server-side rendering capabilities that’s built with React and Redux and its migration to Next.js

  • Work with the Product Owner to design and build various components and flows that help and enable users to find the right job.

  • Participate in and lead designing APIs and interactions between backend and frontend in order to persist data and fulfill business needs.

  • Face and solve application scalability challenges.

  • Manage and mentor junior colleagues in the team.

🤝 What sets you up for success

  • 2+ years of web development expertise.

  • Experience in building performant modern web applications with Next.js

  • Experience with building and maintaining APIs, preferably with Ruby on Rails

  • Experience with relational databases, web protocols

  • Experience in and drive for testing and test-driven design, and automated UI-testing

  • Experience with Docker or other containerization technologies

  • Experience with Unix-like operating systems, terminal applications, and version control systems(bash, git, …)

  • Excellent spoken and written English communication (German not required)

  • The skills that make you an excellent team player

  • Proactive and self-reliant - you’re eager to solve problems independently but know when to seek guidance.


  • You have Ruby/Rails experience

  • You have Event driven architecture and message queues experience

  • You are passionate about automation

  • You are a software engineering generalist

  • You’re good at implementing monitoring solutions and profiling your applications

  • You are knowledgeable in systems architecture

  • Experience in using AWS

  • Prior experience in scaling a web application to millions of users

We are looking for passionate, self-driven individuals who want to make a difference. Thus we are interested in information/links to any work or projects you have done outside your day job both technical and non-technical.

❤️‍🔥 What you will love about us

  • People & Values: We treat people in the way people should be treated, we bring out the best in everyone, we put our people first. Learn more here.

  • Work-Life Balance: 28 holidays*, plus 1 additional day p.a., minimum 3 weeks work from anywhere per year and a 1-month paid sabbatical* every 3 years, flexible work hours

  • Growing individually and as a team: 7 step career framework, bi-yearly performance reviews, 3 days of yearly educational leave & 500€ budget*, HeyJobs Leadership Training Programs, in-house German classes

  • Benefits: €50 monthly allowance* with Ben Card to spend on something you actually need and want. HeyJobs discounts for sustainable products and services via FutureBens & more

  • Societal Impact Employee Groups: Follow your passion with HeySustainability, HeyVoices, HeySisterhood, HeyPeace or found your own circle

  • Events & Feel Good initiatives: Fresh fruit, great drinks, monthly team lunch, 3 company-wide events per year, quarterly team events & plenty of feel good initiatives

  • Great offices with high quality equipment: MacBook / ThinkPad, Sennheiser Headset, screen for home office + additional hardware; HQ Berlin (Kreuzberg, Paul-Lincke-Ufer); HeyHub Cologne (Design Offices Gereon), HeyHub Vienna (centrally located in 1020 Vienna) all with standing desks, hybrid set-up meeting rooms & AC - good public transport connections & great lunch options

At HeyJobs diversity and inclusion is key to creating a culture attracting the best talent and ultimately leading to achieving our vision. Together, we are 30 different nations, 45% women and 50% female leaders.

We are explicitly not hiring anyone who discriminates on the basis of religion, national origin, gender-identity, sexual orientation, age, marital status, or any other aspect that makes you. We encourage individuals from LGBTQIA+ and other underrepresented groups to apply.

We are proud to have been continuously ranked as one of Berlin's best tech employers!

See for yourself: Top Startup Employer (German), Kununu, Glassdoor, Top 25 LinkedIn Startups.

*offers may differ for international hubs and for employment status.