Senior Java Engineer

For over 10 years, Scalac has been delivering high-quality software, successfully aiding FinTechs, HealthTechs, EdTechs, AdTechs, and startups in their efforts to scale. With over 50 experts on board from 13 different countries, specializing in Scala, Java, Spark, Rust, Akka, React, Angular, Kafka, blockchain, and more.

• Minimum 5 years of experience as a Java Engineer or Data Engineer.
• Good knowledge of Java 21, Kafka, and Spring.
• Experience working with distributed systems and microservice architecture.
• Practical experience in API development and data engineering (data transmission and processing).

• Analyzing current system performance and implementing improvements to achieve around 2500 requests per second.
• Optimizing communication between microservices and working with distributed systems.
• Enhancing data flows (Kafka) and refactoring legacy components.
• Developing and expanding APIs and service-level components.
• Working in a client-facing role and closely collaborating with a 6-person team.
• Resolving issues related to data quality and consistency.
• Preparing the system for increased load with a deadline set for April 2026.