Sadia Afrin Raka
Kitchener,ON
Summary
QA Automation Engineer with 9+ years of experience testing distributed systems, APIs, and embedded applications in fast-paced, agile teams. Skilled in scalable automation frameworks using Selenium, REST-assured, and CI/CD tools like Jenkins and GitHub Actions. Strong understanding of Linux, networking fundamentals, and infrastructure testing. Proven ability to work independently in async environments, collaborate cross-functionally, and deliver high-quality releases. Passionate about privacy-first developer tools, and excited to contribute to Tailscale’s mission of making secure networking simple.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Senior QA Engineer
Lone Wolf Technologies
Cambridge, Canada
04.2021 - Current
- Refactored and scaled complex test automation framework to enhance maintainability and coverage.
- Integrated Selenium with Cucumber (BDD) and REST-assured for frontend and API validation.
- Collaborated with DevOps to streamline CI/CD test integration using Jenkins and Git workflows.
- Independently investigated and resolved CI pipeline test failures caused by intermittent network behavior in distributed systems.
- Conducted exploratory and regression testing of web and backend services to ensure quality.
- Coordinated with development teams and PMs to optimize testing processes during agile sprints.
QA Analyst
Track Group Analytics
Halifax, Canada
08.2016 - 03.2021
- Led quality assurance efforts for web, embedded, and mobile applications across iOS and Android platforms.
- Designed and executed automated regression suites alongside manual testing for feature validation.
- Conducted testing on location monitoring and analytics tools under stringent delivery timelines.
- Validated device communication and secure network behavior across various firewall and NAT configurations using Linux CLI tools and network simulators.
QA Analyst
ImpleVista
Dhaka, Bangladesh
01.2013 - 07.2016
- Developed comprehensive test plans and cases based on functional specifications and user stories.
- Executed manual and automated tests for B2B web applications to ensure quality.
- Tracked, reported, and verified bugs using efficient issue-tracking systems.
Education
Bachelor of Science - Computer Science and Engineering
North South University
Dhaka, BangladeshSkills
Skills:
- Programming and frameworks: Python, Java, JavaScript, Bash, Selenium, Cucumber, JUnit, TestNG, and REST-assured
- Test automation and QA tools: Postman, RESTful API testing, Pytest, Playwright, Cypress, end-to-end UI and API testing, regression and exploratory testing
- DevOps and infrastructure: Git, GitHub Actions, Jenkins, Docker, Kubernetes, AWS (EC2, S3), CI/CD pipelines, Linux CLI and shell scripting, network configuration basics, infrastructure as code
- Databases: SQL Server, PostgreSQL, MongoDB
- Development practices: Agile and Scrum, BDD/TDD, QA strategy and planning, shift-left testing, async collaboration, code reviews
- Specializations: - Distributed system testing - Embedded systems and device testing - Location tracking and real-time analytics validation - Secure authentication and API validation - Async remote team workflows
Project Highlights
- Infrastructure-Aware Automation for Embedded Devices
Developed end-to-end automated test suites for GPS-enabled monitoring devices, simulating real-time location data and validating backend API responses. Enhanced system reliability through automated edge case coverage and fault injection testing.
• CI/CD Pipeline Optimization with Jenkins & GitHub Actions
Designed and implemented smoke and regression test suites integrated into CI/CD workflows, reducing release cycle time by 40%. Added pre-deployment validations to catch environment-specific failures early in the pipeline.
• Cross-Platform QA for Distributed Applications
Led quality initiatives across web, mobile (iOS/Android), and backend services. Built reusable test scenarios to validate complex user journeys and authentication flows under varying network and device conditions.
• Secure API Testing and Monitoring
Automated API security and performance testing using REST-assured and Postman, focusing on token-based authentication, rate limiting, and error handling across distributed services.
• Async Collaboration in Remote Agile Teams
Successfully contributed to global QA efforts in fully remote, async environments by documenting test strategies, sharing reproducible defects, and syncing QA feedback with DevOps and developers via Git workflows and Slack/Confluence.
Certification
Passionate about tools that improve infrastructure and privacy.
Experienced in testing distributed systems and working independently in async teams.
Interested in joining a small, collaborative team that ships impactful, secure networking products.
Timeline
Senior QA Engineer
Lone Wolf Technologies
04.2021 - Current
QA Analyst
Track Group Analytics
08.2016 - 03.2021
QA Analyst
ImpleVista
01.2013 - 07.2016
Bachelor of Science - Computer Science and Engineering
North South University
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