Senior Back-end Engineer
Remote / Kyiv, Ukraine accelerates enterprise growth through the power of AI. Some of the world's best brands are leveraging to transform their business, including Lyft, New Relic, Okta, Tanium, and Zoom.

As a Senior Back-end Engineer, you will work with a vast amount of business data, design APIs, write machine learning and automation code, and build scalable systems. You'll be a part of highly independent and autonomous team, working with a large array of different technologies and fields.

  • Design, implement, test, and maintain features in the following core systems within our platform:
  • A scalable, fault tolerant system for synchronizing tens of billions of sales data records into Customer Relationship Management (CRM) systems.
  • A social graph of the world's sales data, incorporating hundreds of millions of records relations sales, people, companies, and deals to create actionable advice for sales and marketing teams.
  • An intelligent system for matching sales activity (e-mails, calendar data, calls) with sales data records from Customer Relationship Management (CRM) systems, incorporating both complex business rules and using Machine Learning to leverage the company's social graph.
  • Our core infrastructure, including areas such as user management, authentication and authorization within our product.
  • Build monitoring and alerting tools to prevent our application from being unavailable; be part of weekly on-call rotations to quickly resolve any infrastructure issues whenever our application becomes unavailable.


  • 5+ years of professional experience working on backend systems in an enterprise environment;
  • 2+ years experience programming in Python 2.x/3.x Scala or Java;
  • Experience with enterprise-grade stack for scalable apps including messaging broker, in-memory storages, NoSQL and key-value databases;
  • Strong knowledge of TDD, Unit and automated tests paradigms;
  • Strong skills in SQL and RDBMS solutions;
  • Understanding of SOA, micro-services and event-driven architecture;
  • Experience with containerized applications, Docker and Kubernetes are appreciated;
  • Possess a DevOps mindset, AWS experience is a plus;
  • Strong knowledge of HTTP stack and REST principles for integration with 3rd-party vendors;
  • Bachelor's Degree in Computer Science, Computer Engineering, or in a closely related discipline.
Oleg Rogynskyy
Founder & CEO at