Software Development Engineer in Test (SDET)
We are looking for a highly technical Software Development Engineer in Test (SDET) to support quality initiatives focused on mobile applications. This role is ideal for someone with a strong software engineering foundation who enjoys working closely with developers, contributing to automation at multiple levels, and validating systems through code-driven and gray-box testing approaches.
This position emphasizes test automation, in-sprint testing, and unit/integration-level validation, working closely with engineering teams to ensure high-quality, reliable releases.
About First Factory
We are a software development company with over two decades of experience, boasting a dynamic team of 175+ professionals actively engaged in diverse projects across various industries. We invite you to join us on this journey as we continue to thrive and embrace fresh challenges.
Key Responsibilities
Implementing gray-box automated unit tests using Kotlin
Building automated tests across multiple layers, including:
- API and service-level testing
- Integration and end-to-end testing
Designing, developing, and maintaining robust, scalable test automation frameworks for Android
Integrating automated tests into CI/CD pipelines
Working with deployment teams, resolving level issues for systems, coordinating on product design, and offering inputs on the testability of functional elements and product designs.
Managing the final quality on production release.
Advocate for testability, observability, and quality-driven design.
Provide clear reporting on test coverage, quality risks, and automation health.
Analyze failures and defects to identify root causes and prevent regressions.
Requirements
4+ years of experience in software development, test automation, or SDET roles
Strong proficiency in Kotlin (or Java with professional Kotlin experience)
Experience building automation frameworks from scratch or extending existing ones
Solid understanding of gray-box testing techniques
Experience integrating tests into CI/CD pipelines
Strong debugging and problem-solving skills
Strong problem-solving skills, attention to detail, and ability to collaborate effectively with cross-functional teams.
Excellent written and verbal English communication skills.
- Department
- Quality Assurance
- Role
- Software Development Engineer in Test (SDET)
- Locations
- Heredia
- Remote status
- Hybrid
About First Factory
For over 25 years, First Factory has been a place where collaborative excellence meets modern technologies. We’re a strong team building exceptional software solutions from Costa Rica and LATAM for primarily US-based clients. With industry-low turnover, top eNPS globally, and 5 consecutive Inc. 5000 awards, we foster an environment where talented engineers thrive on challenging projects using modern tech stacks.