Senior QA Automation Engineer – Nexus Team

Semrush

Senior QA Automation Engineer on the Nexus Team at Semrush driving quality assurance and automated testing processes. Collaborating with cross-functional teams to enhance product quality and user experience.

Posted 6/8/2026full-timeRemote • 🇪🇸 SpainSeniorWebsite

Tech Stack

Tools & technologies

DockerGRPCJavaKotlinKubernetesMongoDBNoSQLRedisUnix

About the role

Key responsibilities & impact

Drive and own quality assurance processes in the team, including code review, automations of workflows, and adapting new testing best practices.
Setting up and maintaining existing automated tests and their frameworks, supporting and covering new features with automated tests.
Perform manual testing, primarily focusing on back-end systems.
Create and maintain necessary documentation. Work closely with Product Manager and Tech Lead Manager to refine project requirements.
Assist in gathering analytics and collaborate effectively with external teams.
Help internal users with our team's product issues through thorough investigations, discussions, and clarifications.

Requirements

What you’ll need

5+ years of QA experience with 3+ years of QA automation experience
Experience in API and UI Test Automation using Java and/or Kotlin
Understanding of main programming concepts, guidelines, and patterns
Understanding of web stack and client-server applications, including knowledge of HTTP, RESTful APIs, and browser debugging tools
Experience with relational databases
Basic UNIX skills (comfortable with CLI tools)
Practical experience setting up and maintaining testing infrastructure (CI/CD pipelines, Docker/containerized environments)
Strong English proficiency for documentation and team collaboration
Not required, but a plus Basic knowledge of load testing techniques and tools, security best practices, and PII processing
Understanding of and experience with gRPC.
Familiarity with Kubernetes, Helm, IaC, etc.
Knowledge of setting up Quality Gates and processes around them.
NoSQL experience (Redis, MongoDB, etc)
Experience working in an agile, cross-functional team and a fast-paced environment.
Exposure to leveraging AI/LLM tools to optimize QA processes (e.g., code reviews, test data generation, code generation, and analytics).

Benefits

Comp & perks

Unlimited PTO
Hobby & team building budget allowance
Employee Support Program
Loss of family member financial aid
Employee Resource Groups

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

QA experienceQA automationAPI Test AutomationUI Test AutomationJavaKotlinrelational databasesUNIXgRPCNoSQL

Soft Skills

collaborationdocumentationinvestigationcommunicationteamwork