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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Api Test Automation Engineer - **Company:** Amaris - **Location:** Valladolid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), User Authentication, Automation of Tests, Microsoft Azure, Software Quality, Code Review, Computer Programming, Continuous Integration, DevOps, Distributed Systems, Middleware, Github, Groovy, Monitoring of Systems, JSON, Python (Programming Language), Mule, Routing, OAuth, E2e Testing, Anypoint Studio, JSON Web Token, SoapUI, Test Execution Engine, Extensible Markup Language (XML), Scripting, Postman, Software Security, Backend, Rate Limiting, Gitlab-ci, Api Gateway, Restful APIs, Splunk, Dynatrace, Api Management, Jenkins, Mulesoft, Microservices - **Published:** August 16, 2026 - **Apply:** https://www.buscojobs.com.es/api-test-automation-engineer-en-valladolid-ID-367556821 ## About the Role 4-7 years of experience in API testing and test automation. Experience with MuleSoft Anypoint Platform and Mule API Gateway . (Mandatory) Strong hands-on experience testing RESTful APIs and working with JSON/XML payloads . Proven experience with API automation frameworks such as Postman/Newman, REST Assured, Karate, or SoapUI . Solid experience integrating automated testing into CI/CD pipelines . Experience validating authentication and authorization mechanisms ( OAuth2, JWT, API Keys ). Good knowledge of protocols , microservices architecture , and distributed systems. Experience with CI/CD tools such as Jenkins, Azure DevOps, GitHub Actions, or GitLab CI . English proficiency for daily work in an international environment (mandatory) Location: Spain(remote), preferred cities: Barcelona, Madrid, Valencia. Nice to Have Scripting or programming skills in Java, Python, Groovy, or JavaScript . Familiarity with monitoring and observability tools such as Splunk, ELK, or Dynatrace . ## Description Take your career to the next level with Amaris Consulting as an API Test Automation Engineer .Become part of an international team, thrive in a global group with €800M turnover and 1,000+ clients worldwide , and an agile environment by planning the kickoff and follow up on projects.Join Amaris Consulting, where you can develop your potential and make a difference within the company.?? WHAT WOULD YOU NEED?4-7 years of experience in API testing and test automation.Experience with MuleSoft Anypoint Platform and Mule API Gateway .(Mandatory)Strong hands-on experience testing RESTful APIs and working with JSON/XML payloads .Proven experience with API automation frameworks such as Postman/Newman, REST Assured, Karate, or SoapUI .Solid experience integrating automated testing into CI/CD pipelines .Experience validating authentication and authorization mechanisms ( OAuth2, JWT, API Keys ).Good knowledge of protocols , microservices architecture , and distributed systems.Experience with CI/CD tools such as Jenkins, Azure DevOps, GitHub Actions, or GitLab CI .English proficiency for daily work in an international environment (mandatory) Location: Spain(remote), preferred cities: Barcelona, Madrid, Valencia.Nice to Have Scripting or programming skills in Java, Python, Groovy, or JavaScript .Familiarity with monitoring and observability tools such as Splunk, ELK, or Dynatrace .WHAT WILL YOU DO?Design and execute comprehensive API testing strategies for APIs and API Gateway-based solutions.Perform functional, integration, regression, and end-to-end testing across distributed environments.Validate API security , authentication, authorization, request/response transformations, and error-handling scenarios.Develop, maintain, and improve automated API testing frameworks and reusable test assets.Implement and maintain automated test suites using industry-standard tools such as Postman, REST Assured, Karate, and SoapUI .Integrate API testing into CI/CD pipelines to ensure continuous quality validation.Validate API Gateway configurations , including routing, security policies, rate limiting, and transformations.Test end-to-end flows across API Gateways, middleware platforms, and backend services .Collaborate with development, DevOps, and architecture teams to improve software quality and release reliability.Design and automate quality gates, reporting mechanisms, and test execution processes .Define and promote API testing best practices, standards, and documentation .Participate in code reviews , technical discussions, and continuous improvement initiatives.Monitor API quality metrics and contribute to reducing production defects.WHY US?Join our dynamic team of talented individuals and experience a world of growth and opportunities.Here's what we offer: Grow rapidly with a tailored career path and salary evaluation.70% of our senior leaders started at entry level.Enhance your skills through our Tech Academy catalog, Udemy E-learning Platform, Languages Sessions, webinars, and workshops.Take charge of your training with an annual personal budget and company-paid certifications.Enjoy flexible policies, remote work options, transit and restaurant tickets, kindergarten support, and private health insurance.Benefit from our WeCare program , supporting employees in critical situations.Unleash your full potential, both professionally and personally.Amaris Consulting is proud to be an equal-opportunity workplace.We are committed to promoting diversity within the workforce and creating an inclusive working environment.For this purpose, we welcome applications from all qualified candidates regardless of gender, sexual orientation, race, ethnicity, beliefs, age, marital status, disability, or other characteristics. ## Related Videos - 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