Senior Automation QA (C#) Engineer

Nix; United States; Remote; USD 110,000 - 160,000; Full time

Benefits offered by this job

Flexible working format — remote, on‑d

Competitive salary

Career growth

Education reimbursement

Tech talks & trainings

Centers of excellence

Team events

Job summary

Nix is seeking a Senior AQA Engineer with C# to join our distributed QA team. This role concentrates on building robust UI/API automation using Selenium and Playwright, contributing to a global insurance-focused platform built on Microsoft Azure, and ensuring software quality across services and microservices.

You will collaborate in Scrum teams, mentor peers, optimize test frameworks, and help drive the automation strategy while delivering reliable releases for clients worldwide.

Qualifications

• 5+ years of testing experience with at least 3 years in UI/API automation.
• Experience with Web Application testing and API testing using REST.
• Strong knowledge of OOP, SOLID principles.
• Experience with microservice architectures.
• Experience with CRUD services.
• Proficiency in C# language.
• Familiarity with QA processes, methodologies and tools.
• Willingness for manual testing.
• Knowledge of SQL Server and T-SQL, Visual Studio, Git, Selenium, Playwright, Xray, and Page Object Model.
• Knowledge of modern QA practices, tools, and techniques.
• Self-organizing, problem-solving, and collaborative work style.
• Experience working in agile/Scrum with JIRA.

Responsibilities

• Write automated test scripts to verify software meets business needs.
• Develop understanding of business operations.
• Record and monitor QA test results.
• Enhance existing automation back-end and front-end framework.
• Coach others in the QA team.
• Provide QA effort estimates in refinement sessions.
• Help drive the test automation strategy across the business.
• Run performance tests and validate results against standards.
• Assist in UAT by teaching end users how to use the software.
• Be an active Scrum team member to improve processes and deliverables.

Skills

UI automation

API automation

C#

Selenium

Playwright

Xray

Page Object Model

SQL Server

Git

JIRA

Scrum

Tools

Visual Studio

T-SQL

REST API testing

Job description

We are looking for a Senior AQA Engineer with C# to join our team!

Our client provides operational support and expert services to leading insurers, brokers, fleet managers, and automotive manufacturers worldwide, helping the global insurance market handle millions of claims efficiently and cost-effectively. The company is undergoing a major digital transformation, with cloud-based solutions and modern design and architecture playing a key role in this process.
The Senior AQA Engineer will join a distributed Quality team working across Europe in a Scrum environment, focusing on test automation using C# and various testing tools. The role also involves developing expertise in the company’s strategic technology platform built on Microsoft Azure, which supports clients across the global insurance industry.

Responsibilities:

• Writing automated test scripts to verify and validate that the new software meets the business needs
• Gaining a strong understanding of the business operation
• Recording and monitoring QA test results
• Enhancing existing automation back-end and front-end framework
• Providing coaching support to others in the QA team
• Providing QA effort estimates in work refinement sessions
• Helping to drive the test automation strategy across the business
• Running performance tests and ensuring that the results meet established levels
• Assisting in the user acceptance test (UAT) process by helping end users understand how to use the software
• Be an active member of the Scrum team, improving processes and ensuring that the team delivers on their commitment

Requirements:

• 5+ years of experience in testing (with at least 3 years in UI/API automation).
• Sound knowledge and experience of Web Application testing, including API testing using Rest #.
• Knowledge of OOP, SOLID, and other principles
• Experience in testing systems with a microservice architecture
• Knowledge of how CRUD services work
• Experience using the C# language.
• Experience with software QA processes, methodologies, and tools.
• Experience and desire to perform Manual testing
• Sound knowledge of SQL Server and TSQL, Visual Studio, Git, Selenium, Playwright, Xray, and Page Object Model.
• Knowledge of current industry-wide quality & test processes, practices, tools, and techniques.
• Self-organizing problem solver with the ability to think outside the box.
• Works effectively with both local and remote colleagues, collaborating, motivating, and energizing others.
• Excellent verbal and written communication skills with strong attention to detail.
• Continuously looking to improve and learn new technologies, participating actively in the development community, contributing to blogs, researching, or Opensource.
• Enjoys working in a fast-paced environment.
• Previous experience working in medium-sized development teams.
• Experience working in an agile environment employing Scrum methodology and JIRA as SDLC management tool.

We offer*:

• Flexible working format - remote, office-based or flex
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers