Middle\Senior Back-End Developer

🇵🇱 Poland 🇺🇦 Lviv/Kyiv, Ukraine 🏘️ Hybrid, 🏠 Remote



About the role:

We’re looking for a passionate Back-End Developer who’s excited about pushing the boundaries of AI-assisted work. You will play a crucial role in building and maintaining the server-side logic of our platform. You will work closely with our front-end team and machine learning crew to develop scalable software solutions. If you’re into making cool tech happen, come join us and be a big part of the future of AI solutions!

About the project:

Our client is an energetic and rapidly expanding company with the ambitious goal of transforming how employees and executives tackle their professional tasks. Founded by two MIT alumni and seasoned entrepreneurs, their focus is on harnessing cutting-edge research in agents and large language models to augment the executive admin and chief of staff roles.

They believe in the power of artificial intelligence to reshape the future of work, committed to creating an environment where innovative ideas thrive and engineers can make a significant impact while developing new techniques and frameworks for AI-assisted work.

Who are we looking for?

Skills & Experience

  • Proficient understanding of Python and back-end programming concepts
  • Experience with server-side logic and databases
  • Familiarity with machine learning concepts and natural language processing is a plus
  • Passion for learning and ability to quickly adapt to new technologies or challenges
  • Excellent communication and teamwork skills
  • Prior experience in a startup environment is preferred


  • Develop and maintain server-side logic using Python
  • Collaborate with front-end developers (experience with React will be a plus) and machine learning engineers
  • Implement data storage solutions
  • Ensure high performance and responsiveness of our platform
  • Work on prompt engineering and some aspects of machine learning
  • Contribute to the development of new techniques and frameworks for AI-assisted work

What we offer


  • Flexible working hours;
  • Direct communication with C-levels;
  • Collaborative, friendly team environment;
  • Hybrid work;
  • Company equipment provision;


  • Maternity and paternity leaves;
  • Proxet Culture Club events;
  • Company social events;
  • Annual corporate parties;


  • Comprehensive medical insurance and sports benefits;
  • Mental health program with private consultations;
  • Live webinar with therapists;
  • Paid sick leaves;


  • Allowances for professional education;
  • English language courses with native speakers;
  • Internal knowledge-sharing sessions.

About Proxet

Proxet is a professional software development firm trusted by clients from around the world. With our expertise in AI and machine learning, we help businesses reimagine their possibilities and transform ideas into tangible digital solutions. By providing core services with an emphasis on data practices, we shape the future, one step at a time. 

If you’d like to join our Proxet Nation and work closely with high-level professionals and our engineers, fill in the form!

Our Offices:

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Anna Mozharivska

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