Franklyn Lombana

Summary:

Lead end-to-end development of new tax-filing services for German users, from requirements definition through implementation and launch, ensuring high reliability and alignment with product goals.

Key Contributions:

• Designed and delivered new user-facing services for the German market, enabling expanded tax-filing options. Shipped a major new service in 6 months by applying multiple solution approaches and iterating quickly with stakeholders.
• Authored detailed RFCs defining functional and non-functional requirements for new initiatives, enabling clarity and alignment across engineering and product teams.
• Improved performance and maintainability of pub/sub workers by applying targeted design patterns, simplifying the creation of future workers and enhancing system clarity.
• Managed implementation workflows end-to-end: creating and prioritizing tickets, coordinating delivery timelines, identifying blockers early, and maintaining transparent communication with stakeholders.
• Participated in interviews for senior engineering roles, evaluating technical problem-solving, communication, and design-system expertise.

Tech-Stack: JavaScript, TypeScript, React Native, React.js, Node.js, Fastify, NestJS, Storybook, GCP, Firebase, Swagger, MySQL, Prometheus, Docker, Jest, Notion, Jira, GitHub.

Summary:

Contributed to the company’s pivot from B2C to B2B by architecting and delivering new systems from scratch under very tight deadlines, supporting large-scale growth and customer onboarding.

Key Contributions:

• Built 3 new systems from zero, enabling the company’s transition to a B2B model and contributing to the acquisition of 5+ new clients while retaining existing ones. Delivered initial products in <4 months through rapid iteration and close collaboration across teams.
• Designed and implemented distributed solutions using a microservices architecture on AWS and Firebase to support high concurrency and maintain a seamless user experience.
• Translated client requirements into product features through close partnership with product management, ensuring fast and accurate delivery of new functionality.
• Improved system performance by optimizing database queries and strengthening application logic, supporting 200% year-over-year growth in order volume.
• Developed comprehensive unit tests using Mocha and Chai and collaborated closely with QA to achieve 99.99% reduction in production errors across two-week release cycles.

Tech-Stack: JavaScript, HTML/CSS/LESS, React.js, Node.js, TypeScript, Express.js, Storybook, Styled-Components, AWS (CodePipeline, CloudFormation, CloudFront, S3), Firestore, Swagger, PostgreSQL, RabbitMQ, MongoDB, Leaflet, Google APIs, Prometheus, Docker, Mocha/Chai, Google Tag Manager, Jira, GitHub.

Key Contributions:

• Developed web applications using Node.js and AngularJS, including a system for automated extraction of hundreds of government public contracts daily, generating alerts based on client preferences.
• Built mobile applications with Ionic v1, using Socket.IO for real-time features and Google Maps for geolocation and fleet tracking.
• Deployed 2 web applications on Google Cloud Platform.

Tech-Stack: JavaScript, HTML/CSS, Node.js, Express.js, AngularJS v1, Ionic Framework v1, Socket.IO, MongoDB, GCP, GitHub.Framework v1, Google Cloud Platform, MongoDB, Github.

Key Contributions:

• Supported the migration from the legacy stack by building custom .NET, JavaScript, and HTML interfaces for generating credit and debit notes involving high-value financial transactions.
• Managed infrastructure on Windows Server 2003.

Tech-Stack: JavaScript, HTML/CSS, .NET, Oracle.