Mid/Senior Frontend Developer (Poland Remote)

Work Type: Full Time

Who are we?

Omni Calculator is a Polish startup that helps to solve real-life problems by using science, numbers, and equations and thus to make decisions rationally. Our main product - the web application contains over 3000 custom-built calculators co-created by experts in various fields of science and is visited over 20 million times a month. Also, we have been covered with our tools in media outlets such as The New York Times, National Geographic, The Guardian, or The Washington Post. 


  • Designing and developing the front-end side of the web application (TypeScript, React, GraphQL),

  • Delivering maintainable, scalable, and testable applications according to our roadmap,

  • Taking care of automated tests (Jest, TestCafe, Cypress),

  • Taking part in the decision-making process on the application architecture,

  • Supporting team members on a daily basis,

  • Cooperating with Product Team to deliver a high-quality product


  • 3+ years of experience as a Front-end Developer,

  • Good knowledge and practical experience in TypeScript and React,

  • In-depth knowledge of JavaScript, 

  • Experience in creating e2e automated tests (Cypress)

  • Willingness and openness to work with the development team

  • A can-do attitude and exceptional commitment to building a high-quality solution that is used by millions of users everywhere and every day 

  • Excellent knowledge of English

 Employment terms

  • Contract type of your choosing - B2B or contract of employment

  • Salary: 14 000 - 25 000 PLN net (B2B) or 11 000 - 21 000 PLN gross (contract of employment)

  • Work equipment (laptop, headphones, monitor)

  • Flexible working schedule, fully remote or hybrid work with the possibility of working from one of our office locations in Cracow or Warsaw.


  • Multisport

  • Private medical care

  • Training budget 

  • OmniLearns - language

  • OmniLearns - studies and courses

  • Paid holiday (B2B)

Recruitment process

  • An introduction call with a recruiter where you will learn more about the company and position (30 - 40 mins).

  • Technical interview with team members (90 minutes).

  • Cultural fit interview (60 minutes). 


If that sounds interesting, do not hesitate to apply. In case of any questions, reach out to us at

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