freehire launches on Product Hunt on 26 August.

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Senior backend developer

Summary

Design and build scalable Java/Spring Boot microservices, REST APIs, and data pipelines using Kafka, Postgres, Cassandra, and Airflow for a next-gen platform.

Join a forward-thinking technology team developing scalable, high-performance solutions within a complex product environment. This is an opportunity for a Senior Back-End Developer to play a key role in designing robust microservices, building data-driven applications, and contributing to the architecture of a next-generation platform.

Key Responsibilities Design, develop, and maintain scalable back-end services using Java and Spring Boot. Build and maintain RESTful APIs and integrate with messaging platforms such as Kafka and Rabbit MQ. Work with relational and No SQL databases, including Postgres and Cassandra. Develop and manage data workflows using Kafka and Apache Airflow. Implement automated testing using JUnit, Mockito, Test Containers, and BDD methodologies. Monitor system performance through logging, tracing, and observability tools. Collaborate with cross-functional teams to deliver secure, scalable, and efficient solutions. Contribute to architectural decisions and promote engineering best practices. Experience and Skills Required Relevant qualification in Computer Science, Information Technology, Software Engineering, or a related field. 5+ years of software development experience within complex product environments. Strong expertise in Java, including concurrency, collections, streams, and design patterns. Proven experience with Spring Boot, Spring Data, Spring Security, and Hibernate/JPA. Solid understanding of microservices architecture and distributed systems. Experience with Docker, Kubernetes, and CI/CD pipelines. Knowledge of message-driven architectures and event-based systems. Experience working with relational and No SQL databases. Strong communication and stakeholder management skills. Proven ability to mentor developers and contribute to the growth of engineering teams. Experience operating as a Senior Developer, Technical Lead, or similar role. Advantageous Experience Scala, Python, or reactive programming. Kafka Streams and Kafka Connect. Advanced distributed systems design. Git Lab CI/CD. Apache Airflow. Prometheus and Grafana.

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