Back-End Developer (Kotlin / Java)

Back-end Developer (Kotlin / Java) 100% remote / PJ / Full time >>> Only resumes in English < < < Must have skills: English: Upper-Intermediate ( Important ). Programming Languages (+3 years): Proficiency in Kotlin (preferred) and/or Java . Problem-solving: Demonstrated ability to solve complex technical problems and debug issues. Strong knowledge of RESTful APIs / GraphQL and microservices architecture. Experience in designing, building, and maintaining scalable services. Proficiency in working with SQL and NoSQL databases. Version Control: Understanding of Git and Git-based workflows. Experience with Data technologies like Databricks , Spark and/or EMR (AWS). Experience with Cloud platforms ( AWS preferred) and IAAC (Infrastructure as a Code). Nice-to-Have Skills: Experience in other modern programming languages: Python , Node.js ( TypeScript ) and Ruby on Rails . Familiarity with CI/CD pipelines . Experience working with Databricks . Experience working in Agile/Scrum environments. Experience with integrating third-party vendor systems. Soft Skills: Ability to work effectively within a team, especially cross-functional teams. Ability to quickly learn and adapt to new technologies and tools. Strong attention to detail, particularly in code quality and system integration. Working terms - We offer: Opportunities to work on diverse and challenging projects; Flexible working conditions; A supportive and collaborative team environment. Vacation days; English classes; Access to psychologist support for mental well-being; Competitive salary.