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Startup Development House Team Leader - Ruby on Rails in null, Poland

Position: Team Leader - Ruby on Rails

Location: Warsaw, aleja Niepodległości 124 / Remote

Salary: 18 000 - 22 000 net on invoice / B2B

We are all about supercharging tech-based businesses. But make no mistake – software development is just a part of what we do at Startup House. Our mission is to deliver all-around support for startups at all stages of development.

Our Development Team is expanding and looking for fresh blood – we're currently looking for a Team Leader who will guide our developers on their development path and lead development projects with success.

As Team Leader in Development, you will work both as a people manager and senior developer on projects with a time ratio of 30% for management and 70% for project-related work.

It's a great role for you if you want to advance your career as a manager but still develop great startup projects hands-on!

How can you grow with us?

As Team Leader:

  • You will take charge of our Ruby on Rails team (up to 4–5 people) and help it achieve even better results,

  • You'll work directly with our CEO and other managers to improve your management skills and become an even better leader than you are so far,

  • You will be supported by our HR team in your management role, so you won't be left alone.

As Senior Developer:

  • You will work on various projects for clients of different backgrounds, both business- and consumer-targeted,

  • The next product you'll help create could be either an ingenious IoT mobile app for kids in Norway (, an innovative LegalTech solution ( or a HealthTech platform ( that helps fight the pandemic in Nigeria... or something just as exciting!

  • You'll gain wide experience in a multitude of industries and in various methods of work, both for exciting startups and established enterprises like Siemens ( or Toyota (,

  • Our fast-paced work environment guarantees rapid skill development,

  • You will own your work and decide on the project's direction.


as Team Leader:

  • You will lead one of the best Development teams (this year we were named a Top Developer by Clutch (!

  • You are going to take care of quality standards in RoR development,

  • Together with our CEO and HR team, you're going to define recruitment needs in your team and participate in the recruitment process,

  • You will work on improving the onboarding process for new employees,

  • From time to time, you will conduct periodic reviews with Development team members to motivate them and help them grow.

As Senior Developer:

  • You will lead a project team together with a dedicated PM, in order to create the best product possible,

  • You'll make sure that our products reach the highest level of quality, both in technical and business aspects,

  • You will participate in product design reviews to provide input on functional requirements, designs, schedules, or potential problems.


  • Strong programming skills – you need to be a true senior,

  • 4+ years of experience working with Ruby on Rails,

  • 1+ year of experience in a Team Leader or any other managerial role,

  • B2+ in English (preferably C1),

  • Awareness and understanding of the entire development process,

  • Knowledge of Lean, Agile processes and Startup Development Phases.

  • Precise vision of your role within the company and team,

  • Will to improve your skills in the field of team management on your own and in cooperation with HR,

  • Proactivity and high level of organization of own work, with strong skills in time management and planning,

  • Ability to see both the business and team side to create proper and working solutions,

  • Great communication skills – especially the ability to listen to other team members and the ability to communicate your thoughts clearly.

Nice to have:

  • Experience with JavaScript (React, Node.js), Elixir or any additional language or framework

  • Experience with Cloud solutions – GCP / AWS / Azure,

  • Experience with some DevOps skills (CI / CD, Ansible).


  • Fun, energetic, start-up environment always eager to search for new initiatives,

  • Flexible hours and the possibility to work fully remotely,

  • Best coffee in town and a team of dedicated coffee lovers,

  • Best devices (we work on MacBooks),

  • Private healthcare and Multisport possibilities.

Write us, call us, join us and let's make some startups grow!