Java Developer

Tieto Tech Consulting delivers IT services and solutions, partnering with clients such as the global telecommunication enabler BICS to support and develop telecommunication products and networks.

• Design, develop, and maintain scalable applications using Java and modern frontend technologies;
• Lead by example and mentor a development team in day-to-day delivery while continuously improving engineering practices;
• Drive technical discussions and contribute to architecture decisions;
• Collaborate closely with stakeholders, product owners, and cross-functional teams;
• Ensure clean, maintainable, and well-tested code;
• Take ownership of features and deliver end-to-end solutions independently.

• 5+ Years of experience in commercial software development using Java;
• Strong experience with Java 17+, Spring, Spring Boot, Hibernate, and JPA;
• Good knowledge of JavaScript and React.js;
• Experience in API design and development;
• Strong understanding of relational and NoSQL databases, with expertise in writing and optimizing complex SQL queries;
• Solid understanding of design patterns, clean code principles, and testing practices;
• Experience working in Agile/Scrum environments;
• English for work and communication;
• Openness to using modern AI tools in daily development workflows;
• Experience being involved in projects at their early stages, particularly in shaping solutions, collaborating with architects, and evaluating alternative approaches;
• Comfortable taking ownership of technical decisions or defending a proposed solution when challenged;
• Ability to travel abroad for business trips;
• Leadership mindset with a hands-on approach;
• Proactive, self-driven, and solution-oriented attitude;
• Strong analytical and problem-solving skills;
• Team player with a collaborative mindset;
• Ability to estimate work accurately and commit to delivery plans;
• Nice to have: experience with microservices architecture, cloud and cloud-native experience (AWS is a plus; Azure or Google Cloud also valuable), experience with OSS/BSS integrations and knowledge of CAMARA and GSMA standards, experience with Test-Driven Development, experience in performance tuning and system optimization.

• No conditions specified