Christopher Vundi

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Senior Software Engineer - Contractor

Vayliron LTD

Jun 2025 - Current (1 year 5 months)

Vayliron is a ride-hailing app with a strong focus on customer satisfaction as well as driver satisfaction. Below are some of my notable achievements so far:
• Changing product direction to a more scalable approach, which involved rewrites of some of the core features.
• Automating Payments. Spearheaded Stripe as well as Paystack payments on the platform. This included, but was not limited to, driver/rider wallet top-up, vehicle subscriptions, ride completion payments, and rider subscriptions for zones.
• Configuring CI/CD pipelines, beginning with Bitbucket pipelines and later transitioning to GitHub Actions.
• Setting up different environments for the application, including a live testing environment as well as the pro

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Senior Software Engineer - Freelance

The Potential Project

Jan 2024 - Feb 2025 (1 year 2 months)

The Potential Project is an interactive augmented reality application focusing on the impact of violence in Trenton. I am the team lead and the sole backend developer for this community project.
• Engaged with various stakeholders to translate project requirements into actionable technical specifications.
• Established the backend foundation in terms of code organization and setting up quality checks.
• Set up the necessary infrastructure and deployed the desktop version of the app, empowering admins to manage uploads, assign user roles, and monitor content usage.
• Developed API endpoints to support mobile client interactions.

Senior Software Engineer

SalesRabbit

Oct 2020 - Sep 2023 (3 years)

SalesRabbit is the complete outside sales app. A sales enablement service and mobile CRM designed specifically for outside sales, including field sales and door-to-door sales.
• Played a key role in architecting WebMap V1, a highly requested feature that enabled office managers to monitor field rep activity from the desktop browser.
• Played a pivotal role in building Digital Contracts where sales representatives no longer have to work with physical papers to finalize contracts. Digital Contracts became a significant revenue driver for SalesRabbit, contributing nearly 30% of the company's total revenue during my tenure.
• Implemented a data warehousing BigQuery pipeline for analysis, enabling tracking of critical Digital Cont

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Software Engineer

SHOWCLIX

Apr 2018 - Jun 2020 (2 years 3 months)

Showclix provides full-service event ticketing and access control solutions to professional event organizers around the world.
• Created an exchange platform allowing customers to exchange tickets autonomously, reducing call center volume by 70% and significantly decreasing manual email requests to customer care.
• Refactored our Stripe payments integration from the charges API to the Payment Intents API to ensure greater security for customers and regulatory compliance with Stripe payments.
• Created a background processes monitor, letting admin users know which background processes are running and each background process's status.
• Developed new endpoints and enhanced existing functionality for a Node.js-based API sup

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Software Developer

ZIPBOOKS

Jan 2017 - Dec 2018 (2 years)

ZipBooks is accounting software for small businesses. Some of the features that help with bookkeeping include financial reporting, core accounting, budgeting and forecasting.
• Took part in rewriting ZipBooks API from PHP/Laravel to Elixir/Phoenix. Saved on CPU costs by around 30%.
• Built out the ability to do file imports and process different financial transactions from those files. These included but not limited to calculating expenses, categorizing transactions as well as getting owners equity.
• Built reporting and invoicing features to enable businesses to do better budgeting and forecasting.
• Leveraged MySQL as our primary database, writing optimized query logic for efficient processing of various financial data

Christopher Vundi

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Christopher Vundi

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