Senior Software Engineer

Asenium is seeking a highly skilledSenior Kotlin Backend Engineerto 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 inKotlinwith a strong focus on performance and maintainability.

Design and integrateAPIs, 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 ofSQLand database fundamentals.

Experience withCI / 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 withAWS (EC2, S3, RDS).

Familiarity with data streaming tools such asKafka, Flink, or Spark-Streaming.

Interested?Send yourCV in Englishand expected daily rate