Software Developer Development

Ken Yui Wong

San Francisco, CA ***** 415-***-**** ***.***.****@*****.*** linkedin.com/in/canonw

SENIOR SOFTWARE DEVELOPER

Dynamic professional with extensive software development experience with strong proficiency in multiple programming languages, including .NET Core, Node.js and React. Proven track record of designing and delivering robust and scalable software solutions deployed to Kubernetes/Docker in cloud environment, optimizing high-performance relational and NoSQL databases, and writing complex queries to streamline data processing. Solid history of success in leading full Software Development Life Cycle (SDLC) projects, from requirements gathering to deployment and post-launch support. Strong problem-solving abilities, capable of debugging and resolving critical issues in high-pressure environments. Adept at collaborating with cross-functional teams to ensure seamless integration of backend systems with front-end services.

AREAS OF EXPERTISE

Software Development & Maintenance Database & system integration REST API design and implementation Performance Tuning & Query Optimization Technical Documentation & Specifications Software Architecture & Design Patterns Systems Requirement Gathering & Scoping Debugging & Troubleshooting Code Reviews & Quality Assurance Team Training & Leadership

TECHNICAL PROFICIENCIES

Kubernetes AWS EKS Docker .Net Node.js Web API Redis Kafka AWS Lambda S3 SNS SES PostgreSQL MS SQL MongoDB CI/CD Harness Git bash OKTA React JavaScript TypeScript C#

PROFESSIONAL EXPERIENCE

Zego - A Global Payment Company (NYSE: GPN), San Diego, CA March 2021 - September 2024

Senior Software Developer (Dot Net Core), March 2023 - September 2024

Led the development of REST API microservices for seamless integration and single source of truth across diverse data sources in AWK EKS. Designed and implemented scheduled job microservices for efficient client data import from external vendors. Integrate Sonar Cloud into the CI process to enforce coding standards. Conduct regular code reviews to maintain team alignment and foster continuous improvement. Document programming rationale comprehensively within source code to mitigate ambiguity and prevent potential pitfalls.

Synchronized over 10,000 clients' resident, property, and unit data using Kafka, enhancing the accuracy and reliability of platform data.

Spearheaded the creation of ASP.Net Web API microservices to consolidate shared data as single source of truth, enabling efficient data sharing among all internal applications managed by six teams.

Demonstrated unit test methodology as part of development cycle, ensured robustness/reliability by improving code coverage from to 80% in five key projects.

Increased code maintainability, team performance/knowledge, and coding practices by conducting thorough code reviews.

Senior Software Developer (Node.js/TypeScript/React Full Stack), March 2021 - March 2023

Developed and delivered multi-tenant applications for amenity management and reservation systems with a focus on enhancing user experience for client residents. Directed successful integration of third-party video intercom services into existing REST APIs, expanding system functionality. Streamlined staff administration processes through the development of backend system for effective communication with residents. Enhanced API documentation and usability by incorporating Swagger into Express environment. Authored comprehensive API request examples in line with REST API specifications to optimize developer onboarding and API adoption.

Led the implementation of self-service amenity reservation system using React/Redux, significantly impacting over 5,000 client properties.

Elevated REST API microservices using Express, enabled real time amenities reservations data sharing with internal applications.

Boosted system interactivity and user engagement by prototyping and integrating Butterfly MX video intercom functionality.

Augmented API maintainability and readability, leading to a more developer-friendly interface and faster integration times.

Contributed to standardization of API documentation using Swagger for consistency and clarity in API usage across the development team.

Bon Appétit Management Company, Palo Alto, CA April 2019 - March 2020

Consultant (AWS, Dot Net Core)

Architected cash flow transaction tracking application using Amazon Web Services and ASP.Net Core to ensure robust and scalable financial data management. Collaborated with stakeholders to establish data collection methods and output specifications. Developed multi-tenant application capabilities, enabling transaction tracking across various venues including Oracle Park and Chase Center. Crafted comprehensive system documentation outlining design, rationale, and setup procedures to facilitate understanding and maintenance.

Implemented reporting solution to reconcile $250K in cash transactions across multiple US locations.

Collected food sales cash transactions through API integration by utilizing AWS API Gateway and AWS Lambda for precise revenue tracking.

Headed scheduled cash report generation using CloudWatch, SQS, and AWS Lambda by leveraging event driven architecture.

Cardfree, San Francisco, CA May 2015 - May 2019

Software Developer (.Net, JavaScript Full-Stack)

Coordinated with cross-functional teams to clarify expected platform functionality and ensure alignment with project objectives. Liaised with project managers and stakeholders to define and meet software functionality requirements.

Deployed and integrated national restaurant chain's loyalty program, contributing to a 3% increase in first-quarter foot traffic.

Designed scalable Red Lobster loyalty platform with seamless transition from concept to national launch within three months.

Formulated store locator API with MongoDB and ASP.Net Web API to boost customer engagement and accessibility.

Optimized REST API loyalty platform while managing user base of 6 million with daily traffic of 800K unique visits.

Built high-capacity REST API microservice to administer over 1 million iOS and Android Pay gift card notifications for Dunkin' Donuts.

Wells Fargo, San Francisco, CA October 2014 - May 2015

Consultant (.Net, JavaScript Full-Stack)

Managed comprehensive software development projects, focusing on .Net Core technologies to meet financial service industry needs. Adapted to diverse programming environments, demonstrating flexibility and proficiency in multiple languages. Cooperated with cross-functional teams to deliver robust IT solutions aligned with business objectives and client requirements.

Designed energy portfolio management system for managing $3B investment portfolio across 25+ projects with 300 partners, enabled stakeholder to evaluate ROI in real time.

Optimized project delivery through effective collaboration with diverse teams, enhancing system functionality and user experience.

TIBCO Loyalty Lab, San Francisco, CA January 2012 - October 2014

Developer, PSG (.Net, JavaScript Full-Stack)

Applied expertise in .Net for software development within the information and communication technology sector. Collaborated with web professionals to deliver robust programming solutions and seamless user experiences.

Led successful integration of loyalty programs into customer-facing websites, supporting annual sales of $800K using ASP.Net and jQuery.

Developed 1,100 tables and 9,000 fields to manage accounts of 100K+ customers; tracked 500+ active offers using SQL Server.

Integrated client’s propriety data into platform via WSDL web services using ASP.Net Web Service.

ADDITIONAL EXPERIENCE

Wells Fargo, San Francisco, CA

Consultant (.Net, JavaScript Full-Stack)

Streamlined project workflows from Wachovia merger for timely completion of development milestones. Led successful integration of loan compliance websites, accommodating a $1.5T loan serving 5K users, using ASP.Net and JavaScript.

Improved system performance and security, resulting in improved reliability for high-stakes financial operations.

Developed over thirty compliance reports using SSIS by leveraging advanced SQL, stored table expression and stored procedures to track loan compliance and operations.

EDUCATION

Bachelor of Science (BS) in Computer Information Systems San Francisco Status University, San Francisco, CA

PROFESSIONAL DEVELOPMENT

Udacity React Nanodegree

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