Asenium is seeking a highly skilled Senior Kotlin Backend Engineer to join our client’s global data engineering team.
Location : Brazil (Mandatory location, 100% Remote)
Contract : 6 months (Freelance)
Start Date : ASAP
Key Responsibilities :
- Develop scalable backend components in Kotlin with a strong focus on performance and maintainability.
- Design and integrate APIs , including OpenAPI and webhooks.
- Collaborate closely with cross-functional teams across Product, UI, and Engineering.
- Conduct code reviews and contribute to technical best practices and guidelines.
- Troubleshoot, test, and debug backend systems, ensuring high reliability.
- Write and maintain clean, well-documented code and unit tests.
- Participate in architectural discussions and continuous improvement initiatives.
Must-Have Skills :
5+ years of backend development experience, with strong Kotlin proficiency .Experience designing and implementing scalable APIs.Advanced understanding of SQL and database fundamentals.Experience with CI / CD pipelines , DevOps, and automation.Solid grasp of asynchronous programming (e.g., Kotlin Coroutines).Fluent English communication skills (written & spoken).Nice to Have :
Hands-on experience with AWS (EC2, S3, RDS) .Familiarity with data streaming tools such as Kafka, Flink, or Spark-Streaming .Interested? Send your CV in English and expected daily rate to j.sierra@asenium.com .