Software Engineer Senior

Wael Ellithy

Bothell, WA

********@*****.*** 512-***-****

linkedin.com/in/wellithy

Summary

Highly skilled and dedicated Principal Software Engineering with over 15+ years of experience in system design & implementation. Proficient in product requirement analysis and architecture to meet functional and non functional requirements. Experienced in new hire training, technical quality control, and problem solving to enhance user experience and drive business growth.

Authorized to work in the US for any employer

Experience

Senior Software Engineer

American Express

Oct 2023 - Apr 2024

Added a VCS (git) as a backend for configuration storage via REST APIs providing versioning and validation across all the organizations. Proposed and implemented to use standard Kotlin Serilization instead of third party (Jackson) as well as upgraded to latest Java, Kotlin, build systems, and Docker images.

Principal Software Engineer

MasterControl

Apr 2023 - Oct 2023

Designed & implemented microservice-based QMS system through replacing a legacy monolith to achieve high-availability/concurrency and modularity. Senior Software Engineer

Apple

Oct 2020 - Apr 2023

• Ad platforms using Java-Spring for REST backend services. I added unit test to a complete repos with hundreds of services and various payload scenarios achieving mandatory compliance standards.

• Designed & implemented Kotlin REST API connecting clients to an EHR provider.

• Introduced a mock server for UI integrators to validate real-life scenarios.

• Integrating Square with internal and external models and flows. Senior Staff Software Engineer

Gigamon

Dec 2019 - Sep 2020

Network Security via meta-data reporting. Microservices using Java REST/JSON for network sensors monitoring.

Wael Ellithy - page 1

Senior Staff Software Engineer

Microsoft

Mar 2018 - Feb 2019

• Designed and implemented new payment connectors in Dynamics 365 Retail.

• C#, AX/X++, Cloud-based Azure platform, omnichannel enhancements. Additional Experience

Principal Software Engineer

Visa – Austin, TX

• Built from the ground up the gateways to: TSYS, Elavon, UK-APACS, Amex, and many others using my deep knowledge of the e-Payment: credit card, AVS, CVV, ECI, 3D Secure, batching,

• Founded Arx ICT an offshore software R&D house specializing in E-Payment. Managed a team of highly skilled developers and QA engineers.

• Designed and developed several mission-critical faults-tolerant solutions with top quality in design and performance that processed billions of transactions in the past decade.

• Built several multi-threaded E-Commerce servers, 24x7 payment daemons, batch settlement submissions, and processor simulator for external servers and protocols.

• Product requirements analysis with product owners and project managers across time zones in a global engineering team throughout US, Europe, Asia, and Mideast.

• Provided architectural recommendations for systems that are reliable.

• Provided analysis, designed, and managed the development of the payment gateway infrastructure.

• Establish and execute SDLC in a multi-time zone cross-functional environment, including project plans, schedule, resource requirements, iterative, Agile/Scrum.

• Architectural recommendations for decade-long systems for required zero-bug systems.

• Author and communicate technical ideas and demonstrate the project results clearly to both technical and non-technical audiences leading to strategy decisions.

• Technical Team Lead: design, code review, training newcomers. Education

West Virginia University – Moragntown, WV

Doctor of Philosophy - PhD, Electrical and Computer Engineering West Virginia University – Moragntown, WV

Master of Science - MS, Electrical and Computer Engineering Skills

Team Building • back-end • Analytical Skills • Data Modeling • System Development • Payment Systems • Computer Simulations • Telephony • Business Analysis • Cross-functional Team Leadership Wael Ellithy - page 2

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