We are looking for a skilled Java Developer with strong problem-solving skills and experience handling complex production or support cases. This role combines investigative support work with hands-on development. You will analyze and reproduce tricky customer issues, dig into logs and source code, collaborate with other teams to identify root causes, and occasionally develop hotfixes or improvements.
Project Description: Our partner, an EU-based company, has an opening for a Senior Java/Kotlin Developer. You will be responsible for building a robust, cloud-based Financial Planning and Analysis (B2B) solution using new and widely spread technologies. You will have a chance to join the expert team working on the maintenance and development of the customer project management system doing a budget process on top of it.
Responsibilities: * Investigate and reproduce complex issues reported by customers or QA. * Analyze logs, stack traces, and application behavior to identify root causes. * Collaborate with developers, QA, and support teams to clarify problems. * Provide technical guidance or workarounds when immediate fixes aren’t possible. * Develop and test hotfixes or minor enhancements when time allows. * Document findings, solutions, and create internal knowledge base entries. * Participate in improving support tools, diagnostic scripts, and internal processes.
Requirements: * Strong experience with Java (8 or higher), Spring / Spring Boot, and REST APIs. * Familiarity with relational databases (e.g. SQL Server, PostgreSQL, MySQL). * Solid understanding of debugging tools, logging (SLF4J, Logback, etc.), and profiling. * Experience working with support tickets, bug reproduction, or production troubleshooting. * Comfortable reading large codebases and tracing logic across modules. * Good spoken and written English (B2 level or higher) — required for daily communication. * Experience with Git, Maven/Gradle, and basic CI/CD understanding.
Nice to have: * Experience with OData, RabbitMQ, or similar integration technologies. * Knowledge of microservices and containerization (Docker). * Previous experience in L2/L3 support or maintenance engineering roles.
