Senior Server Engineer

1 day ago

Tallinn, Harjumaa, Estonia Bisly Full time €100,000 - €120,000 per year


About us

Bisly is a technology company on a mission to save our planet by making professional intelligent buildings mainstream, so we save energy and fight climate change through deployment of our patented Cloud based building automation portfolio, consisting both of software systems and hardware products. We have achieved market leader position in our home market and are actively looking to replicate that in our target markets in Germany, UK and Poland. 

We are looking for an experienced Senior Server Engineer to join our team of dedicated professionals. 

Your mission

As the Senior Server Engineer at Bisly, you will be responsible for building and maintaining the services that power our smart building ecosystem. You'll develop the house server platform that controls various systems and integrations within an intelligent building, enabling seamless data flow and automation across thousands of connected devices while ensuring reliability and performance.

Key Responsibilities
  • Design, build, and maintain high-performance, scalable backend services in C++.
  • Take technical ownership of projects and contribute to architecture planning.
  • Develop and deploy robust software for cloud and local environments.
  • Define and implement data strategy and synchronization between systems.
  • Optimize system performance and debug complex issues (memory, concurrency, I/O).
  • Design and develop APIs for local and cloud-based services.
  • Lead by example in writing clean, maintainable, and well-tested code.
  • Contribute to team practices, mentoring, and engineering culture as we scale.


To succeed in this role, you'll have
  • 4+ years of professional experience in backend or systems programming.
  • Strong proficiency in C++.
  • Solid understanding of distributed systems, network protocols, and asynchronous runtimes.
  • Experience with database engines (MariaDB, Postgres, NoSQL).
  • Familiarity with cloud infrastructure and on-premise/local server environments.
  • Proven ability to write clean, scalable, and well-tested code.
  • Solid knowledge of software development principles (OOP, design patterns, Agile).
  • Experience designing and consuming APIs (REST, gRPC, or similar).
  • Comfortable working in fast-moving, collaborative teams across multiple disciplines.
  • Strong debugging skills and a pragmatic approach to problem-solving, particularly when working with large, pre-existing codebases.


Why us?

At Bisly, we value talent, innovation,and collaboration. 
Here's what you can expect when you join our team:
  •  The chance to work on exciting projects and see your ideas come to life;
  • Birthday leave - your personal 'me time' to relax, explore or spend time with loved ones;
  • Competitive salary package;
  • Supportive work culture, with team-building events and activities.

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