Security-Focused Java & Scala Engineer (AKKA/Kafka)

Ethereum Technologies; Lansing (MI); On-site; USD 150,000 - 190,000; Full time

Job summary

Ethereum Technologies is seeking an experienced Application Security Engineer to review findings with the Clearing development lead, understand vulnerability patterns, and design code fixes that are repeatable across locations.

You will write unit and integration tests, adhere to coding standards, and participate in code reviews. The role focuses on authentication/authorization, transport security, secrets handling, and secure input validation in JVM-based services.

Qualifications

• 8+ years of Java software development experience.
• 3+ years of Scala software development experience.
• 2+ years AKKA development experience.
• Experience working with Kafka.
• Experience working with Postgres.
• Experience with writing unit tests.

Responsibilities

• Review findings identified by our Application Security team alongside the Clearing development lead, and develop a clear understanding of the vulnerability pattern and root cause.
• Design and implement code fixes with an emphasis on consistent, repeatable solutions where the same vulnerability pattern appears in multiple locations.
• Write or update unit and integration tests to validate fixes and prevent regression.
• Follow existing coding standards and participate in code review with the development lead prior to merge.
• The vulnerability categories in scope span authentication and authorization controls, transport security, secrets handling, input validation, and related secure coding domains.

Skills

Java

Scala

AKKA

Kafka

Postgres

Unit tests

Tools

Docker

AWS

Kubernetes

Job description

Ethereum Technologies is seeking an experienced Application Security Engineer to review findings with the Clearing development lead, understand vulnerability patterns, and design code fixes that are repeatable across locations.

You will write unit and integration tests, adhere to coding standards, and participate in code reviews. The role focuses on authentication/authorization, transport security, secrets handling, and secure input validation in JVM-based services.