Codest Ltd.

Senior Fullstack Engineer (Java&Kotlin + JavaScript)

Codest Ltd.
Apply
20 days ago
Remote, PolandSenior

Responsibilities

  • Design robust API contracts and facilitate onboarding for external partners.
  • Write developer documentation and create mock environments for partner integrations.
  • Build modern frontend interfaces including checkout paths, landing pages, and discovery hubs.
  • Bridge Java backend architecture with frontend development for cohesive end-to-end implementations.
  • Define coding standards, lead technical discussions, and act as the architectural anchor for integrations.
  • Support the Incident Response service.

Requirements

  • Deep hands-on experience with Java and Kotlin.
  • Strong experience designing, building, and scaling RESTful APIs using API-first design, OpenAPI, and Swagger.
  • Proficiency in modern JavaScript or TypeScript and a modern frontend framework, preferably React.
  • Understanding of distributed systems, integration patterns, OAuth 2.0, and OpenID Connect.
  • Ability to design API contracts for external B2B partners and lead technical discussions.
  • English proficiency at a minimum B2+ level.

Benefits

  • 20–26k PLN on a B2B contract.
  • Access to the Worksmile platform.
  • A collaborative work environment focused on growth and innovation.
  • Recruitment process includes a recruiter screen, technical verification meetings, stakeholder meeting, and offer.
Codest Ltd.

About Codest Ltd.

11-50 employees
Contact me