Senior Front-End Developer

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profile Job Location:

Warsaw - Poland

profile Monthly Salary: Not Disclosed
Posted on: 3 hours ago
Vacancies: 1 Vacancy

Job Summary

  • Build responsive user-friendly UI using React
  • Develop charts and interactive data visualizations based on existing datasets
  • Integrate backend data into frontend applications via REST/GraphQL APIs
  • Collaborate closely with data engineers to ensure seamless data integration
  • Optimize application performance scalability and reliability
  • Implement security best practices CI/CD workflows automated testing and code quality standards
  • Work with product and design teams to translate business requirements into technical solutions
  • Take ownership of features from ideation to deployment and monitoring in production
  • Stay up to date with emerging technologies and contribute to technical decision-making within the team

Qualifications :

  • 5 years of professional experience with JavaScript including modern frameworks and tools
  • Strong experience with React for designing maintainable scalable UI systems
  • Experience working with APIs (REST/GraphQL)
  • Basic understanding of backend concepts (e.g. )
  • Strong knowledge of frontend fundamentals (HTML CSS)
  • Upper-Intermediate level of spoken and written English

WILL BE A PLUS:

  • Experience with Model Context Protocol (MCP)
  • Familiarity with workflow automation tools such as n8n

Additional Information :

PERSONAL PROFILE

  • Strong problem-solving skills and attention to detail
  • Ability to work independently
  • Excellent communication and collaboration skills

Remote Work :

Yes


Employment Type :

Full-time

Build responsive user-friendly UI using ReactDevelop charts and interactive data visualizations based on existing datasetsIntegrate backend data into frontend applications via REST/GraphQL APIsCollaborate closely with data engineers to ensure seamless data integrationOptimize application performance...
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At Sigma Software, we are involved with the client’s team to contribute to the design and development of a technical solution for their tokenized domain reservation platform. We started by assigning a software architect to design the smart contracts and integrate blockchain into the s ... View more

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