Lead Fullstack Engineer


Employment Status: Full time

Location: City Center of Poznan – Poland

Cleeng is the Subscriber Retention Management Company. We help our clients create a long-life relationship with their subscribers by providing predictive analytics. Our solutions are used by market-leading brands like Sinclair Broadcast Group, CBC, Broadway HD, Korean Content Platform, McFit, and many others. Cleeng’s fully SaaS solution is built for scalability, flexibility, robustness and innovation.

Working at Cleeng is rewarding, fun, and challenging. We thrive on innovation. If you want to join a fast growing business and make a real contribution, come join our team and help shape the future of video consumption.

Your mission

Manage and develop a rock-star team  to deliver effectively smart features and innovation to our platform, allowing Cleeng to succeed as a data-driven and devsumer-friendly organization.

Our tech stack and organization

  • We organize our work with SCRUM.
  • We love sharing knowledge and improving our skills on internal workshops and trainings.
  • Front-End is built in React.
  • Our core platform written in PHP (7.4). We tend to build new functionalities as microservices in AWS environment – mainly in node.js.


  • Technical leadership:
  • Setting up guidelines for other developers, advocating for following good practices and standards.
  • Designing APIs.
  • Choosing technologies best suited for a given project.
  • Helping team members to find the right balance between speed and quality.
  • Hands-on coding as a member of a SCRUM team.
  • Managing the team: taking care about motivation and personal development.


  • Excellent knowledge of JavaScript and React.
  • Experience in building backend APIs (preferably using node.js). Understanding of good practices for building REST APIs.
  • Experience in working with AWS, ideally in Serverless environment.
  • Experience as a team leader or manager – at least 2 years, 
  • Great communication competencies,
  • Focus on quality,
  • General initiative approach,
  • Ability to inspire others,
  • Ability to impact and influence.

What do we offer?

  • A market leading product, in a fast growing business, with still a lot to be shaped, so you can express yourself,
  • Work with an international team of experts, in Poznan, Philippines, NYC, Amsterdam, who value diversity, hard work, and friendly relationships. 16 nationalities and counting!
  • Flexible working hours
  • Possibilities to work remotely
  • Annual retreats and a lot of integration events
  • A great, full of energy and brand new space (Cleeng office) in the very middle of city!
  • Work hard, play hard. For sure, not a boring place and we want to keep it that way.

Play the video and get to know us

There are lots of reasons to work here

One talented and passionate team
Join a community of professionals who push each other to strive while enjoying what they do. We like to share knowledge, experience and inspire each other every day. We like to share our knowledge and experience. Be encouraged to share your ideas and perspectives!
Global scale
Diversity defines us. We have offices in The Netherlands, USA, Philippines, Australia, and Poland. Our different backgrounds and over 14 nationalities make our workspace a unique environment and a truly international experience.
Shape tomorrow's product
Don't just watch, participate in the future of premium content consumption. We are thriving in a booming and exciting industry where you could develop your skills.
Who said party?
Relaxed professionals, that’s our motto! Be part of a fun team. Expect dinners and meetups. Join our CS go or chess intercontinental tournaments. Travel the world to work face to face with your colleagues and enjoy the ride!