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

What we offer:

  • full-time long-term cooperation → we need you not only to develop our projects but also our company

  • we offer B2B contract with a 30 days holiday bonus → everyone likes to have a paid vacation, we guarantee it

  • 1 day a week of remote work opportunities → it’s not a problem, we trust you do your best anyway

  • a non-corporate atmosphere conducive to development → we say ‘Hi!’, not ‘Good morning’ (even to our boss – he likes high-5s!) and we don’t have a dress code – comfy is fine for us

  • fresh fruit every week → there’s nothing better than a glass of fresh juice every day

  • real influence on what exactly we build and how → we have a technology board, we value your ideas

  • work with cutting-edge technologies in international projects → we are passionate about what we do

  • flexible working hours → we’re open to your needs

  • private healthcare and sports card → we focus on your well-being and health

  • playroom (football table, ping pong, darts), playstation, board games, relaxing space → we like to play and spend time together

  • bicycle parking with a room to rest and refresh yourself → we’re betting on your comfort

  • CodiblyTechTalks → we share our knowledge

  • office in the centre of Krakow (100 metres from Nowy Kleparz) → life goes on downtown, doesn’t it?

Recruitment process

Application Form

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