Job position Senior QA/Test Engineer
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Job Title: Senior QA/Test Engineer – Digital Signature Portal & Authentication products for a leading provider
Company: Tech Mahindra Luxembourg S.à r.l.
Experience: 7–10 years
Location: Luxembourg – on-site at client office (full-time)
Domain: Digital Signature / e-Signing / Financial Services / Authentication
Role Overview
Tech Mahindra Luxembourg is looking for an experienced Senior QA/Test Engineer to work on a secure digital signature / e-signing portal used by financial institutions and regulated entities. The role is fully on-site at the client office in Luxembourg and involves end-to-end testing of web and API components, integration with identity and signing services, and ensuring high levels of security, reliability and user experience.
You will be the key QA point of contact for this portal, working closely with architects, developers, product owners and business stakeholders.
Key Responsibilities
Own the QA lifecycle for the digital signature / e-signing portal/Authentication services, from test planning to sign-off.
Analyse business and technical requirements (user journeys, signing flows, identity verification, audit trails) and derive detailed test scenarios and test cases.
Design and execute:
Functional, regression and integration tests for the web portal and backend services.
API testing for signing, identity, notification and audit services (REST/JSON).
Cross-browser and cross-device testing for the portal UI.
Validate end-to-end e-signature flows, including:
User authentication and identity verification
Document upload, signing and co-signing flows
Time-stamping, audit trail and evidence generation
Error handling and user notifications
Collaborate with development teams to reproduce, analyse and track defects; drive defects to closure using standard tools (e.g. JIRA, Azure DevOps).
Contribute to test automation strategy; design and maintain automated test suites for regression (UI and/or API).
Perform non-functional testing in collaboration with specialists:
Basic performance / load validation of critical flows
Basic security checks in line with secure coding and platform guidelines
Ensure compliance of testing process and artefacts with internal quality standards and applicable regulations (e.g. e-signing, strong authentication).
Support UAT: prepare test data, guide business testers, consolidate and triage UAT defects.
Provide clear reporting on test progress, coverage, risks and quality metrics to project managers and stakeholders.
Mentor junior testers in the project and contribute to continuous improvement of QA practices.
Candidate profile
Required Skills and Experience
7–10 years of hands-on experience in software testing / QA, including at least 3–4 years in web application and API testing.
Strong experience in:
Functional, regression, integration and system testing
Writing clear test plans, test cases and test reports
Defect management using JIRA, Azure DevOps or similar tools
Proven experience testing one or more of the following is highly desirable:
Digital signature / e-signing platforms
Identity and access management (IAM), strong authentication, OTP, tokens, smartcards
Financial services or other regulated domains
Good understanding of:
Web technologies (HTTP/HTTPS, HTML/CSS/JS basics, browser behaviour)
REST APIs, JSON, request/response structures, API testing with Postman/SoapUI or equivalent
Experience with test automation for:
Web UI (e.g. Selenium, Cypress, Playwright, etc.)
APIs (e.g. REST-assured, Postman collections, etc.)
Familiarity with CI/CD pipelines and integration of automated tests.
Strong analytical skills, structured thinking and attention to detail.
Excellent communication skills, able to work with both technical and business stakeholders.
Language:
Very good written and spoken English (mandatory)
French and/or German are an advantage.
Working environment
Nice-to-Have
Experience in security-sensitive applications (banking, e-government, identity providers, trust services).
Knowledge of concepts such as PKI, certificates, time stamping, digital signatures, or compliance frameworks (e.g. eIDAS-style requirements).
Exposure to performance testing tools (e.g. JMeter, Gatling) for basic load/scalability checks.
ISTQB Foundation / Advanced certification or equivalent.
Experience in agile delivery environments (Scrum / Kanban) and working with distributed teams.
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