Senior FullStack Developer

remote, Warsaw

| 20 160 – 25 200 PLN + VAT for B2B

We are looking for an experienced (6+ years) Full Stack .NET Core/C# developer who can help us build an innovative digital platform for small and medium enterprises, accountants and banks.

  • The main technology stack is based on a microservices architecture where services are deployed and managed on Google Cloud Platform with Docker and Kubernetes.
  • Services are written in .NET Core/C# at the backend on top of a MongoDB datastore and ElasticSearch.
  • The front end is based on Vue.js and UI/UX design is made by an experienced UI/UX designer to use as a basis.
  • You will be involved in the development, testing (unit/smoke/integration), building and deployment of the platform.

Key responsibilities

  • coding (80% of your time);
  • working closely with Product Owner and a small team of experienced developers;
  • contributing to planning and estimating of stories and fixes;
  • reviewing designs and provide guidance for other team members.

We are looking for

  • passion to go far and beyond just .NET Core/C# development of web applications;
  • experience with ECMAScript 2015 (ES2015) next to HTML and CSS;
  • experience with JavaScript, particularly with TypeScript;
  • knowledge of C# & JavaScript best practices, build tools, testing and leading frameworks and tools, including open source;
  • ability to work fluently with English speaking team;
  • well structured, modularized and easily maintainable code;
  • obsession to provide a good user experience to the end user.

Strong advantages

  • Real world experience i.e. you have worked on one or two large-scale projects.
  • You are agile minded and able to work independently.
  • You don't see everything in black and white i.e. you realize that there are also good applications on top of JVM.
  • You believe in a microservices architecture on top of .NET Core

Nice to haves

  • Strong writing and communication skills for both technical and non-technical audiences.
  • Ability to work in remote environment.
  • Ability to travel (less that 5% of your time after COVID19).
  • Knowledge of mobile application development.
  • Knowledge of MongoDB/ElasticSearch.
  • Knowledge of Docker/Kubernetes.
  • Knowledge of Vue.js
  • Knowledge of React.

We Offer

  • remote work, but it will be good to see each other now and then (after COVID19);
  • office in the downtown of Warsaw;
  • lasting and flexible contract (employment contract or self-employment);
  • support in application for IPBox for R&D works;
  • possibilities of self-development (developer courses, foreign language classes etc.) included in working hours;
  • private healthcare.
CIR is a certified Research and Development Center in Poland and France.

Programs: Tax credit - crédit d'impôt recherche (FR) and Centrum Badawczo Rozwojowe (PL)

Tax credits and innovation
Bon na innowacje

We operate within innovation voucher and other financing programs targeting research and development work.


We support organising cycling ultramarathons

We create and play card games. Sometimes even mean ones.

More from life at on our social media #lebyk

European Funds
Narodowe Centrum Badań i Rozwoju
European Union