Joseph Tetteh
Winter Garden,United States
Summary
Results-driven Cloud Test Architect / Senior SDET with over 10 years of experience in designing and validating cloud-native systems across diverse sectors. Developed scalable automation frameworks and integrated quality gates into CI/CD pipelines, enhancing release confidence through comprehensive testing methods. Proficient in AWS services like EventBridge, SQS, and Lambda, with expertise in Playwright, Pytest, and SQL-based validation.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Snr SDET Contractor
Navitus
01.2025 - Current
- Designed Playwright and Pytest automation frameworks for API and UI layers, improving regression efficiency, enabling repeatable test execution in pipelines, and increasing coverage across critical business flows.
- Integrated automated quality gates into GitHub Actions and CI/CD workflows, enabling faster releases and earlier defect detection while ensuring consistent validation across environments.
- Architected end-to-end validation for AWS-based event-driven workflows using EventBridge, SQS, CloudWatch, and Python with Boto3, ensuring accurate message flow, downstream processing, and database state across distributed systems.
- Executed performance and load testing with JMeter and Locust to evaluate stability under concurrency, identify bottlenecks, and support release readiness.
- Built ETL and data validation checks to confirm transformation accuracy, contract integrity, and source-to-target consistency for high-value healthcare data workflows.
Lead Software Test Engineer
Pall Corporation
08.2021 - 10.2025
- Led software and hardware quality engineering for IoT and application teams, driving strategy across cloud-connected products, mobile experiences, APIs, and backend workflows.
- Developed and enhanced reusable automation assets using Playwright, Selenium, and Pytest, reducing manual effort and enhancing release confidence for recurring test cycles.
- Performed API, GraphQL, SQL, mobile, and security testing using tools such as Postman, ReadyAPI, Xcode, Android Studio, JMeter, and AWS services to validate both functionality and resilience.
- Mentored engineers, maintained test plans and traceability, and served as Scrum Master, facilitating improved team coordination, sprint execution, and delivery predictability.
- Conducted performance testing, root-cause investigation, and collaborated cross-functionally with developers, product owners, and operations teams to support scalability and reliability initiatives.
Snr SDET Contractor
Kroger
12.2023 - 04.2025
- Delivered Playwright-based UI automation and API validation for retail-facing systems, strengthening regression coverage across release cycles.
- Executed release and performance testing with JMeter and related tools, validating system stability during production deployments and high-traffic scenarios.
- Facilitated mobile testing with IntelliJ and Xcode, collaborating with engineering teams to troubleshoot defects and enhance test readiness.
Lead Test Engineer / Scrum Master / RMF Cyber Representative
Northrop Grumman
09.2019 - 07.2021
- Facilitated Agile ceremonies and delivery planning as Scrum Master, enabling teams to navigate competing technical priorities effectively.
- Supported RMF compliance activities, utilizing eMASS, Splunk, and Elasticsearch for validation and audit support, ensuring operational visibility.
- Designed automated test plans using Eggplant and Cucumber, enhancing post-test analysis for secure, mission-focused systems.
Test and Evaluation Engineer
U.S. Army Redstone Test Center
08.2017 - 08.2019
- Coordinated cross-disciplinary teams in integration and testing of missile and fire-control systems, ensuring alignment across fabrication, integration, and test activities.
- Authored test procedures and managed test-facility interfaces while safeguarding data integrity and communicating schedule status and performance results to government stakeholders.
- Executed troubleshooting and maintained discipline to ensure efficient progress of complex hardware and system-level test efforts.
Circuit Engineering Tester / Mechanic
ADTRAN
05.2015 - 10.2015
- Built and tested motherboards and electronic assemblies, troubleshot issues, and supported fixture installation and process improvements on manufacturing floor to enhance operational efficiency.
- Executed test plans for software and hardware products to ensure functionality.
- Collaborated with development teams to identify and resolve defects efficiently.
- Documented test results and created detailed reports for quality assurance reviews.
Education
Bachelor's Degree - Computer Engineering
University of Alabama
HuntsvilleSkills
- Automation & QA
- AWS (EventBridge, SQS, CloudWatch, Lambda, S3, IAM)
- CI/CD pipelines
- GitHub Actions
- Jenkins
- Release orchestration
- Cloud & DevOps
- Observability
- Playwright
- Pytest
- Selenium
- Cypress
- Postman
- ReadyAPI
- GraphQL
- API validation
- ETL testing
- SQL/database validation
- JMeter
- Load and scalability testing
- Locust
- Mobile testing
- Security testing (XSS, SQL Injection)
Certification
- Comptia Security +
- Certified Scrum Master I
Timeline
Snr SDET Contractor
Navitus
01.2025 - Current
Snr SDET Contractor
Kroger
12.2023 - 04.2025
Lead Software Test Engineer
Pall Corporation
08.2021 - 10.2025
Lead Test Engineer / Scrum Master / RMF Cyber Representative
Northrop Grumman
09.2019 - 07.2021
Test and Evaluation Engineer
U.S. Army Redstone Test Center
08.2017 - 08.2019
Circuit Engineering Tester / Mechanic
ADTRAN
05.2015 - 10.2015
Bachelor's Degree - Computer Engineering
University of Alabama