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We are looking for

Senior Backend Developer

Team size





17 000 - 25 000 PLN net B2B



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About Spyrosoft

We were founded in 2016 by a group of IT experts with established backgrounds in software engineering. Today we specialise in technology solutions for industry 4.0, automotive, geospatial, healthcare & life sciences, employee experience & education and financial services industries. Our teams are based internationally - Poland (Wrocław, Kraków, Białystok), UK (Southampton, Bournemouth), Germany (Braunschweig, Munich), Croatia (Zagreb) and USA (Detroit).

Job description

Cryptography, security, privacy – these terms define our partner’s products, the top-notch communication tools. As a part of strategic company’s capabilities augmentation, SecureCo is about to open a Warsaw office, which will become an operational core and a place for innovating and engineering new products. Warsaw team will consist of technical experts and developers, as well as back office specialists and middle & top management roles.

Technical team:

  • QA Engineer
  • QA Manager
  • DevOps Engineer (Integration & Support)
  • iOS Developer
  • Android Developer
  • Backend Developer (Java, Golang)
  • Web Developer
  • Project Manager


  • Min. 12 years of experience in software development including min. 5 years in C++, 3 years in Java (Spring) and Golang;
  • BS/MS or Ph.D. degree in Computer Science or Telecom;
  • Experience with SQL (PostgreSQL) and No-SQL (Couchbase) databases, and Object-Relational Mapping framework (Hibernate);
  • Good knowledge of Gitlab and continuous integration tools like Jenkins, networking and network protocols & concepts (TCP/UDP/TLS/WebSocket/Protobuf) and real-time communication systems (e.g., WebRTC, VoIP, messaging) software development;
  • Strong experience with Agile software development practices;
  • Ability to test code and participate in code reviews with other team members;
  • Fluent in English.


  • To define and formalize the blueprint for new functionalities in accordance with the product roadmap;
  • To improve the software performance and quality based on multithreading and event-based architecture;
  • To maintain and extend a large source code;
  • To create documentation for features, according to the requirements from the Product team;
  • To collaborate with the QA/Testing team to create high-quality test cases;
  • To do code reviews of the other team members;
  • To improve the software performance and quality through design patterns, bug fixing, app performance profiling, and instrumentation;
  • To implement architecture POCs and create documentation for new features according to the requirements defined by the Product Manager.

Meet the recruiter

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At Spyrosoft, we’re always working as a team. The success of the whole company depends on finding the right people
Katarzyna Frączek
Senior Recruitment Coordinator


We support you at every stage

Check out the benefits of working at Spyrosoft

Type of cooperation

An employment contract or B2B depending on your needs.

Multisport card

Crossfit or pilates? With the card you can enter selected gyms for free.

Private health care

We have several packages from two suppliers to choose from, without waiting in queues.

Apply now

Recruitment process (currently run remotely)

We check your CV

We carefully read every CV we receive. If you meet our requirements, we call you to learn more about your skills and needs.

We check your qualifications

After talking on the phone, it's time for the technical part of recruitment, during which we can ask you to complete the task related to your position. We always provide feedback after this meeting.

We make an appointment

The next stage is a meeting in one of our offices or online. You will have the opportunity to learn more about the team and work culture from the person who manages the department and/or Spyrosoft partner.

You get the answer

At Spyrosoft, we contact every person who was taking part in recruitment process. If we accept your candidacy, we will also send you a list of the next steps.

Do you know anybody who would fit the role?

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