Felix is a proficient software developer with 7+ years of experience, now focused on building AI‑powered products. He specializes in full‑stack development with JavaScript, Python, and Node.js, and has delivered real‑time, media‑rich AI experiences across web platforms.
Designed and implemented a real‑time digital human streaming client (audio/video) with VP8 decoding, frame buffering, and synchronized playback for low‑latency conversational UX.
Implemented a web audio pipeline using AudioWorklets, drift correction, and adaptive playback controls to keep audio/video in sync.
Designed a modular conversation SDK with event‑driven architecture, robust session lifecycle handling, and backpressure for streaming frames.
Led the team in rebuilding the client facing web application from scratch in record time. Requirements such as UX, accessibility, unit and end to end tests, modularity and business needs were met sufficiently.
Worked with the growth and design team to design certain variations of the checkout flow. This boosted conversion by 40%.
Setup instrumentation using openTelemetry and Datadog to improve observability and collect telemetry data.
Identified and implemented solutions to greatly optimize the client facing application, including reduction in build time and increase in application audit and performance scores using industry recognized measurement tools.
Leveraged knowledge in React, Redux, Next Js, Typescript, CSS, Chakra UI, Jest, A/B tests.
Used React/AWS Lambda to build a tool to automate our 11 language translation processes. This reduced the amount of time and effort spent on this process by over 90%.
Constructed custom and advanced web components that met design, accessibility and performance requirements.
Mentored and provided feedback to engineers through code reviews and pair programming.
Improved front end performance by fixing memory leaks, fixing bugs, and significantly reducing app bundle size.
Created A/B tests and workflows with tools like Optimizely
Contributing to the hiring process by conducting interviews and reviewing take-home assignments.
Led a team responsible for improving code coverage from 25% to 90% on the frontend codebase
Leveraged knowledge in React Js, Node Js, PHP, Amplitude, AWS, Optimizely, Typescript, Shopify, Cypress, Jest
Architected the Front-End architecture to allow for de-coupled applications and future applications (micro-architecture). This was for a major crypto based product serving Africa markets.
Development of a fully accessible and cross-library web component library using Vue JS. This reduced code duplication and greatly increased efficiency across teams.
Integrated real-time notifications for the internal CMS application using web sockets. This reduced the regular backlog of messages from 500 to 10 per day.
Pioneered and led a project to convert the CMS's custom JavaScript router to TypeScript, add sufficient unit, integration and e2e test coverage and to refactor the router to be more effective.
Assisted in Increasing search results accuracy by 20% by implementing fuzzy searching in a part of the user facing application.
Using different optimization strategies and procedures, I Spearheaded the optimization of a legacy frontend codebase thereby reducing load time by 60%.
Leveraged Knowledge in Vue Js, Web Sockets, GraphQL, Node JS, Python, Fuzzy Logic, Javascript, Typescript.