Senior .NET Developer




14 000 - 20 000 PLN



Who we are seeking

We are seeking an expert, who has excellent problem solving skills and senior experience in commercial software development. Senior developer will create dedicated software applications, develop and integrate technological components, as well as implement technical requirements.

Project: REST API application responsible for calculating the prices of smartphones and tablets coming from the aftermarket. Prices are calculated based on the status of user’s phone. API made available externally to large international customers.

Tech stack and tools:


  • C#

  • .NET

  • ASP.NET 4.7 and ASP.NET Core 2.0 +

  • Web Services

  • HTTP

  • IIS


  • RDBMS (MS SQL Server)

  • ORM

  • EF


  • Azure

  • Docker

  • Sonar

  • TeamCity

  • CI/CD

Development and knowledge base

  • MS Visual Studio 2017+

  • JIRA

  • Confluence

  • Scrum

Code Repository:

  • GitLab

Nice to have

  • NoSQL databases (MySQL, PostgreSQL, MongoDB, InfluxDB, etc.)

  • Search Engines (Elastic Search, Solr)

  • Hosting ASP.NET Core on Linux

  • Domain Driven Design

  • Swagger documentation and YAML notation


Design - 20%
Development - 65%
Tests - 10%
Support and maintenance - 5%


  • at least 4 years of experience in developing advanced web applications in commercial projects

  • unit and integration testing

  • estimating projects

  • process ownership

  • design patterns

  • good practices and architectural patterns (SOLID, KISS, DRY, YAGNI Go4, DDD, CQRS, Clean, etc.)

  • Object-Oriented Programming (OOP)

  • GIT and GIT Flow


  • communicating in English (B2+)

  • contact with clients

We offer:

  • full time position – B2B contract with a 30 paid days off/year

  • a non-corporate atmosphere full of openness to innovation, improvement, teamwork and data-driven approach

  • continuous contact with the latest technologies

  • real influence on what exactly we build and how

  • flexible working hours and 1 day a week of remote work opportunities

  • private healthcare, Multisport Plus card and other benefits (fruit and vegetables every day, bicycle parking, playroom, etc.)

  • office in the centre of Krakow (100 metres from Nowy Kleparz)

Recruitment process

Application Form

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