Cookies icon

This website uses cookies to ensure you get the best experience on our website.

Front End Developer (ReactJS)

Lublin, Warsaw, full-time, part-time remotely.

JMMJ Software is looking for a proactive developer with experience in writing code from scratch. We are searching for a specialist who will be working in the international team where English is the first language. If you want to have an impact on the project, share knowledge, demonstrate the best practices and create ambitious products feel welcome to take part in our recruitment process :)


  • Caring for the highest quality of code
  • Ability to stick to the deadlines
  • Participating in architectural design discussions and provide solutions
  • Creating and maintaining technical standards
  • Cooperating with the creative team and all other stakeholders to ensure that project objectives are met as expected
  • Implementing functionalities based on projects specifications 
  • Maintaining compliance with architectural principles specified in the project
  • Code refactoring and architecture improvements
  • Finding optimal solutions independently
  • Working in development teams to analyze requirements and create solutions
  • Actively proposing new web solutions and frameworks in accordance with the project requirements and market trends


If you possess these:

  • At least 3 years of professional experience in software development
  • Intermediate English skills required (B2+) - it is important for us because you will be working with International clients and English speaking team members
  • Experience in writing code from scratch with the use of modern Front End JavaScript technologies such as ReactJS 
  • Ability to understand business requirements and translate them into technical requirements
  • Experience in programming in  JavaScript – ES2015+
  • Solid HTML5, CSS3, JavaScript (ES6), RWD knowledge
  • Ambition to take ownership of the technical part of projects and lead programming teams
  • Practical knowledge of design principles, typography, user interfaces, Web standards and usability
  • Knowledge of Adobe Photoshop/Illustrator basics
  • Familiarity with Visual Studio, Git
  • Practical knowledge of design patterns & the best practices
  • Positive attitude
  • Good communication skills
  • (Nice to have) Knowledge about e-commerce


We can offer to you:

  • Work in an experienced team with the use of the best practices (SOLID, Clean code),
  • Work-life balance - possibility of flexible working hours and home office,
  • Casual start-up atmosphere (If you want to listen to music while coding or relax during table tennis round, feel free :)) 
  • Flat structure, 
  • No dress code,
  • The best view from one of the highest viewpoints in the city, 
  • English classes with a native speaker and top-class polish tutor during work hours, 
  • Chill room,
  • Company-sponsored events, 
  • A transparent contract and comfortable employment model (you choose the type of contract), 
  • Paid Vacations (28 days on every type of contract),
  • In the office to drink types of teas, coffees, Yerba mate chosen by you and teammates.


If you have the qualifications mentioned above and are interested in joining the team, send us your CV.


About JMMJ:

JMMJ has completed IT projects across Europe and North America. The firm was founded in 2008, and we are a Microsoft Certified Partner since 2009.