Tieto Tech Consulting is seeking a skilled Mid-Level Java Full Stack Developer to join a telecom project for the client BICS. The role involves designing, developing, and maintaining scalable applications using Java and modern frontend technologies (React). The successful candidate will lead by example and mentor a development team, drive technical discussions, and contribute to architecture decisions, collaborating closely with stakeholders, product owners, and cross-functional teams to deliver end-to-end solutions. Requirements include 2+ years of professional software development experience with Java (Java 17+; Spring, Spring Boot, Hibernate, JPA), strong JavaScript and React.js skills, API design experience, and proficiency with relational and NoSQL databases and SQL optimization. Familiarity with design patterns, clean code principles, testing practices, and Agile/Scrum is expected. English communication must be strong; openness to AI-assisted development tools is desired. Travel abroad is possible. Nice to have: microservices, cloud-native experience (AWS, Azure, Google Cloud), OSS/BSS integrations, CAMARA and GSMA standards, TDD, performance tuning. Remote work is supported. Location: Kyiv, Ukraine; Remote OK.

Tieto Tech Consulting is seeking a skilled Mid-Level Java Full Stack Developer to join a telecom project for the client BICS. The role involves designing, developing, and maintaining scalable applications using Java and modern frontend technologies (React). The successful candidate will lead by example and mentor a development team, drive technical discussions, and contribute to architecture decisions, collaborating closely with stakeholders, product owners, and cross-functional teams to deliver end-to-end solutions. Requirements include 2+ years of professional software development experience with Java (Java 17+; Spring, Spring Boot, Hibernate, JPA), strong JavaScript and React.js skills, API design experience, and proficiency with relational and NoSQL databases and SQL optimization. Familiarity with design patterns, clean code principles, testing practices, and Agile/Scrum is expected. English communication must be strong; openness to AI-assisted development tools is desired. Travel abroad is possible. Nice to have: microservices, cloud-native experience (AWS, Azure, Google Cloud), OSS/BSS integrations, CAMARA and GSMA standards, TDD, performance tuning. Remote work is supported. Location: Kyiv, Ukraine; Remote OK.