Senior Test Engineer Automation (.NET)

🟢 We’re expanding our team and opening new remote opportunities! Review the role expectations, share your resume in English, and our team will follow up shortly. We invite a Senior Test Automation Engineer to join our team and contribute to a high-impact project focused on modernizing legacy systems for a leading healthcare cost-containment platform that offers affordable health insurance plans for self-insured employers, third-party administrators, commercial payers, and claim auditors. In this role, you'll design, implement, and maintain automated testing solutions to ensure the quality, reliability, and scalability of backend systems. 🟩 What's in it for you: Work on a stable, long-term healthcare project, developing a platform used by major U.S. payers and employers Contribute to testing real-world healthcare data and backend systems Collaborate with a highly experienced team that values knowledge-sharing and continuous improvement ✅ Is that you? 5+ years of experience in software testing or QA automation within .NET/C# environments Strong understanding of software testing methodologies, QA best practices, and data validation Experience designing, creating, executing, and documenting automated test cases Strong C# proficiency and familiarity with common test automation frameworks Experience with SQL and relational databases (MS SQL Server) Hands-on experience in unit/integration testing and integrating automated tests into CI/CD pipelines Solid knowledge of SDLC/STLC in Agile Strong attention to detail, analytical thinking, and problem-solving skills Excellent communication and collaboration skills Strong sense of ownership and accountability Upper-Intermediate+ English level Desirable: Familiarity with cloud environments (Azure, AWS) Experience in healthcare, insurance, or other data-heavy domains 🧩 Key responsibilities and your contribution In this role, you'll ensure the quality and reliability of backend systems by designing, implementing, and maintaining comprehensive automated tests. Design, implement, and maintain automated tests for backend systems using .NET and C# Validate data accuracy and integrity across multiple sources Collaborate with developers and analysts to define test scenarios and requirements Analyze test results and ensure automated coverage meets expectations Document test cases, results, and automation processes clearly Participate in code reviews and help enhance testing standards and automation frameworks 🎾 What's working at Lumen Dynamics like? Lumen Dynamics is a global company that's been building great software since 2011. Our team values fairness, high standards, openness, and inclusivity for everyone — no matter your background 🌐 We are 99.9% remote — you can work from anywhere in the world 🌴 Get 30 paid days off per year to use however you like — vacations, holidays, or personal time ✔️ 5 paid sick days, up to 60 days of medical leave, and up to 6 paid days off per year for major family events like weddings, funerals, or the birth of a child ⚡️ Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months 💵 We pay in U.S. dollars and cover all approved overtime 📓 Join English lessons and Lumen Dynamics University programs, and take part in fun online activities and team-building events Our next steps : ✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Interview — ✅ Offer Interested? Find out more: 📋How we work 💻 LinkedIn Page 📈 Our website 💻IG Page Originally posted on Himalayas