> Markdown version of [/jobs/ext/2000271-cto-java-kotlin-react](https://www.wearedevelopers.com/jobs/ext/2000271-cto-java-kotlin-react). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # CTO (Java / Kotlin / React) - **Company:** TESTERY, INC. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Automation of Tests, Behavior-Driven Development, System Configuration, Continuous Integration, Distributed Systems, Junit, PostgreSQL, E2e Testing, Selenium, Software Engineering, SQL Databases, ReactJS, Cypress (Programming Language), Kotlin, Specflow, Containerization, Playwright, Non-relational Database, Teamcity, Restful APIs, Cucumber (Software), Network Server, Docker, Jenkins - **Published:** August 9, 2026 - **Apply:** https://www.wayup.com/i-j-CTO-Principal-Engineer-Java-Kotlin-React-Testery-662744017482120/ ## About the Role + 8+ years of software development experience in Java/Kotlin. + Past track record of putting in place and leading a high-performing engineering team. + Recent hands-on, development experience in Java/Kotlin. + Writing automated tests (jUnit, Selenium, Cucumber, or Specflow). + Working with E2E testing frameworks (Cypress, Playwright, Selenium, …). + Designing and building REST APIs. + Working with both relational and non-relational databases (SQL, Postgres). + Configuring CI/CD servers (AppVeyor, Teamcity, or Jenkins). + Experience with Amazon Web Services. Desired Qualifications & Experience + Developing behavior-driven development (BDD) tests. + Working with containerization technologies (e.g. Docker). + Building, testing, and deploying B2B SaaS products. + Previous roles related specifically to quality assurance and test automation. ## Description As Chief Technology Officer, you will have a pivotal role in enhancing the capabilities of our next-generation testing grid. This is a unique role that will draw on your experience from all areas of software development, including coding, testing, deploying, provisioning infrastructure, leveraging AI, managing distributed systems, and more. We are a growing startup, so the ideal candidate will be entrepreneurial and excited about the opportunity to grow and adapt along with our company. This is an opportunity to start out hands-on and establish your dream engineering team as the company continues to grow. Key responsibilities include: + Developing new features and managing the infrastructure for our next-generation test orchestration cloud. + Designing, implementing, maintaining, and testing the Testery website/application and the REST API that powers it. + Hiring, training, coaching, and managing the engineering team. + Adapting your role as the company grows. ## Related Videos - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Test-Driven Development: It's easier than you think!](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)