Mid-level QA Automation Engineer, C#

GR8 Tech

full-time

Posted on: 1/14/2026

Location Type: Remote

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About the role

Creating, executing, and maintaining detailed test cases for various testing phases, including component, functional, regression, and integration testing;
Leading and contributing to backend API test automation, participating in planning, refinement, and reviews;
Integrating and optimizing automated tests within CI/CD pipelines to enable continuous quality gates and fast feedback cycles;
Working collaboratively with developers, product managers, and other stakeholders to understand requirements and ensure software quality;
Ensuring the software meets quality standards by conducting thorough testing and validation;
Contributing to the continuous improvement of the QA process, tools, and methodologies;
Supporting manual QA engineers by providing guidance, consulting on test automation approaches.

3+ years of experience in backend automation testing using C#;
Solid knowledge of C# and .NET Core, strong OOP foundations, and confident use of SOLID principles and common design patterns;
Knowledge of microservice, monolithic, and event-driven architectures, with ability to design resilient systems using patterns like circuit breaker and rate limiter;
Experience with Git, CI/CD practices, and DevOps tools such as GitLab, Terraform, along with containerization and orchestration using Docker and Kubernetes;
Proven track record working with large, scalable, multi-threaded applications and performing effective testing of REST APIs;
Proficiency with SQL and NoSQL databases, understanding of data modeling, normalization, and experience with querying and database operations;
Practical experience with messaging and queueing technologies such as Kafka, combined with understanding of networking fundamentals, SSL/TLS, authentication, authorization, and security principles;
Background in manual testing, including functional, regression, and usage of test management and defect tracking tools;
Strong analytical and communication skills, effective cross-team collaboration, and Intermediate English proficiency.

Benefits

An annual fixed budget that you can use based on your needs and lifestyle. You decide how to allocate it:
Sports – gym, yoga, or any activity to keep you active;
Medical – insurance and wellness services;
Mental health– therapy or coaching support;
Home office – ergonomic furniture, gadgets, and tools;
Languages – courses to improve or learn new skills.
Parental support with paid maternity/paternity leave and monthly childcare allowance;
20+ vacation days, unlimited sick leave, and emergency time off;
Remote-first setup with full tech support and coworking compensation;
Regular team events – online, offline, and offsite;
Learning culture with internal courses, career development programs, and real growth opportunities.

Tip: use these terms in your resume and cover letter to boost ATS matches.

C#.NET CoreOOPSOLID principlesdesign patternsbackend automation testingREST APIsSQLNoSQLmessaging technologies

analytical skillscommunication skillscross-team collaboration