Senior QA Automation Engineer
Cluj-Napoca, Romania
Cluj-Napoca, Romania
Founded in 2015, Nexttech has built a solid foundation in delivering comprehensive IT solutions tailored to meet diverse client needs. With expertise spanning five key industry sectors—Banking, Energy, Telecom, Automotive and E-commerce & Logistics—we provide nearshore and onshore services designed to drive efficiency and support strategic growth.
Our team supports every phase of the Software Development Life Cycle (SDLC), from developing detailed roadmaps and resolving complex software challenges to ensuring quick time-to-market and optimized ROI.
• Managed Services: End-to-end support for seamless IT operations.
• Custom Software Development: Tailored solutions to address specific business challenges.
• Team Augmentation: Enhance your in-house capabilities with specialized expertise.
• Nearshoring Services: Collaborative solutions that offer the benefits of proximity and cultural alignment.
• Dedicated Development Teams: Aligned teams committed to your project’s long-term success.
• Quality Assurance & Testing: Ensuring high-quality performance and reliability.
• Consulting and Advisory Services: Expert insights to help navigate complex projects and decisions.
At Nexttech, we take pride in our commitment to client success, fostering trusted partnerships, and delivering solutions that align with each client’s unique goals and vision.
We are looking for a Senior QA Automation Engineer to design, develop and maintain scalable automated testing solutions for business-critical lending applications and services. This role is ideal for an experienced, hands-on QA engineer with strong expertise in API test automation, C# and .NET, backend testing and enterprise system integration, capable of ensuring the quality and reliability of complex loan origination and processing workflows.
Main tech: #QAautomation #CSharp #NET #APITesting #RESTAPIs #NUnit #xUnit #Postman #RestAssured #Microservices #CICD #Jenkins #GitHubActions
• Design, develop and maintain automated testing frameworks for API and backend services using C# and .NET
• Build reliable automated tests covering functional, integration, regression and end-to-end scenarios
• Develop reusable and maintainable test automation components aligned with engineering best practices
• Review, optimize and enhance existing automation suites to improve test coverage, execution efficiency and reliability
• Define and promote automation standards, coding guidelines and testing best practices
• Design and execute comprehensive automated tests for REST APIs, microservices and enterprise integrations
• Validate API functionality, request and response payloads, error handling, authentication and data consistency
• Perform negative testing, contract testing and integration testing across interconnected systems
• Test synchronous, asynchronous and event-driven integrations supporting loan processing workflows
• Analyze API responses, application logs and system interactions to identify and troubleshoot defects
• Define test strategies, automation approaches and coverage requirements for new features and system enhancements
• Ensure adequate test coverage for critical loan origination and processing business flows
• Participate in requirements analysis and solution design reviews to identify quality risks early in the development lifecycle
• Support shift-left testing practices and continuous quality improvement
• Collaborate with developers and business analysts to ensure business requirements are translated into effective test scenarios
• Integrate automated testing suites into CI/CD pipelines using Jenkins, GitHub Actions or equivalent tools
• Monitor automated test execution, investigate failures and improve test stability and reliability
• Support deployment validation, regression testing and production readiness activities
• Provide test execution reports, automation coverage metrics and quality insights to project stakeholders
• Collaborate closely with developers, solution architects, product owners and other engineering teams in an Agile environment
• Minimum 5 years of professional experience in QA Automation, preferably in enterprise environments
• Minimum 3 years of hands-on experience with API test automation
• Strong hands-on programming experience with C# and practical experience working with .NET / .NET Core
• Experience designing, developing and maintaining automated testing frameworks using NUnit, xUnit or equivalent frameworks
• Strong understanding of REST APIs, JSON, HTTP/HTTPS and API testing principles
• Hands-on experience with API testing tools such as Postman, Insomnia, RestAssured or equivalent solutions
• Good knowledge of API authentication and authorization mechanisms, including OAuth 2.0, JWT and Basic Authentication
• Experience working with Swagger / OpenAPI specifications and validating API contracts
• Strong experience testing backend services, microservices and applications with multiple system integrations
• Ability to design and execute functional, integration, regression, negative and end-to-end automated tests
• Experience integrating automated tests into CI/CD pipelines using Jenkins, GitHub Actions or equivalent tooling
• Good working knowledge of Git and version control best practices
• Experience using test management and defect tracking tools such as Jira, Xray or Zephyr
• Strong understanding of software testing methodologies, test design techniques and quality engineering principles
• Experience working in Agile/Scrum environments and collaborating with cross-functional development teams
• Strong analytical and troubleshooting skills, with the ability to investigate complex system interactions and identify root causes
• High level of autonomy, ownership, attention to detail and commitment to software quality
• Good communication skills and ability to collaborate effectively with technical and business stakeholders
• Experience in banking, financial services or lending applications
• Familiarity with loan origination, loan processing and financial transaction workflows
• Experience testing event-driven architectures and message brokers such as Apache Kafka or RabbitMQ
• Knowledge of performance testing, API security testing and non-functional testing practices
• Familiarity with distributed systems, asynchronous processing and data consistency validation
• Experience with containerized applications and cloud-native environments
• Experience contributing to test automation architecture, framework standardization and continuous improvement initiatives
At Nexttech, we don’t rely on polished platitudes; instead, we let our team members’ voices speak to the essence of who we are:
• “An organization that always listens to feedback from employees, continuously improving based on input and suggestions.”
• “A culture that encourages work-life balance and independence at work.”
• “A place where genuine communication and respect thrive between all levels of the company.”
• “An organization that’s close to people, where kindness and support are constants.”
• “A culture that makes new members feel welcomed, involved in day-to-day decisions, and valued for their unique skill set from day one.”
• “A team that promotes psychological safety and the confidence to speak your mind without fear.”
We promise an environment where respect, openness, and recognition are at the core of your experience. Here, you’ll find a collaborative and responsible team that values fun, autonomy, and flexibility. You’ll face challenges that allow you to grow, supported every step of the way by peers and leadership alike.
If you possess strong technical expertise, a product mindset, a collaborative spirit, and a proactive attitude, along with resilience, flexibility, and a desire to support your teammates, you’ll fit right in at Nexttech.
Come be part of a place where your effort is valued, your ideas are heard, and your growth is our priority.
