Available to hire
Ivan is a full-stack engineer with over eight years of experience,
specializing in backend development.
His work spans both greenfield and brownfield projects across a wide
range of tech stacks.
In his early years, he led multiple greenfield projects and introduced
modern architectural approaches to improve team workflows.
His previous expertise includes Python, Frappe Framework, FastAPI,
Firebase, and TypeScript.
His recent work involves Java, Vue.js, Spring Boot, and AWS, particularly in
brownfield systems.
Language
English
Advanced
Russian
Beginner
Work Experience
Lead Software Engineer at Stash PH
January 1, 2025 - PresentReduced data migration time from 1–2 days to under 1 hour using Python, eliminating developer involvement and cutting compute costs. Improved visibility of hospital billing cron jobs by integrating real-time updates into Discord, enabling faster incident response. Built a status monitoring tool for the PhilHealth server to help stakeholders track uptime and system availability. Cut deployment time from half a day to 15–20 minutes through CI/CD pipelines, significantly reducing time to access production instances. Introduced a Dev Containers setup, reducing onboarding time from a full day to under 1 hour. Added CloudWatch dashboards to monitor EC2, RDS, and Lambda usage, enhancing observability and enabling resource right-sizing. Led migration from Java 8 to Java 21 using Spring Boot, improving performance, maintainability, and memory efficiency. Mentored 3 junior engineers and guided 1 senior teammate to ensure knowledge sharing and consistent engineering delivery.
Software Engineer at Stash PH
December 2, 2024 - August 21, 2025Worked on backend and cloud-related development tasks contributing to the company's core products and features.
Senior Developer at KaHero
April 1, 2023 - August 21, 2025Pioneered and led the engineering team from the ground up, scaling the platform from 0 to hundreds of SME users. Selected Firebase as the backend, managing 20+ serverless functions to support core app functionality. Introduced Flutter for cross-platform mobile development, accelerating feature delivery and reducing maintenance overhead. Developed a Python tool to catch and resolve calculation errors, improving data accuracy and reducing manual fixes. Integrated Stripe and PayMongo to automate payments and subscriptions, cutting update time from one hour to just minutes. Introduced clean architecture principles to improve code structure, scalability, and long-term maintainability. Mentored 2–3 developers simultaneously, fostering technical growth and strengthening team productivity.
Junior Developer - Developer at Bai Web and Mobile Labs
August 1, 2021 - August 21, 2025Customized an ERP system for a pharmaceutical company with around 30 branches across Africa. Tailored ERP solutions to support complex sales and purchasing workflows for clients in Saudi Arabia and Bahrain as part of outsourced projects. Developed an inventory management app which unfortunately did not acquire active users. Created an open-source POS app compatible with ERPNext, gaining a small but growing user base. Built two mobile POS applications which, despite minimal user adoption, led to pioneering the KaHero team.
Lead Software Engineer at Stash PH
January 1, 2025 - PresentReduced data migration time from 1–2 days to under 1 hour using Python, eliminating developer involvement and cutting compute costs. Improved visibility of hospital billing cron jobs by integrating real-time updates into Discord, enabling faster incident response. Built status monitoring tools for the PhilHealth server to help stakeholders track uptime and system availability. Cut deployment time from half a day to 15–20 minutes through CI/CD pipelines, significantly reducing time to access production instances. Introduced a Dev Containers setup, reducing onboarding time from a full day to under 1 hour. Added CloudWatch dashboards to monitor EC2, RDS, and Lambda usage, enhancing observability and enabling resource right-sizing. Led migration from Java 8 to Java 21 using Spring Boot, improving performance, maintainability, and memory efficiency. Mentored three junior engineers and guided one senior teammate to ensure knowledge sharing and consistent engineering delivery.
Software Engineer at Stash PH
December 2, 2024 - August 21, 2025Worked on backend and infrastructure improvements. Selected highlights unavailable due to overlapping time with lead role.
Senior Developer at KaHero
April 1, 2023 - August 21, 2025Pioneered and led the engineering team from ground zero, scaling the platform to hundreds of SME users. Selected Firebase as backend managing 20+ serverless functions to support core app functionality. Introduced Flutter for cross-platform mobile development, accelerating feature delivery and reducing maintenance overhead. Developed a Python tool to catch and resolve calculation errors, improving data accuracy and reducing manual fixes. Integrated Stripe and PayMongo to automate payments and subscriptions, cutting update time from 1 hour to minutes. Introduced clean architecture principles to improve code structure, scalability, and long-term maintainability. Mentored 2–3 developers simultaneously to foster technical growth and strengthen team productivity.
Junior Developer - Developer at Bai Web and Mobile Labs
August 1, 2021 - August 21, 2025Customized ERP system for a pharmaceutical company with around 30 branches across Africa. Tailored ERP solutions to support complex sales and purchasing workflows for clients in Saudi Arabia and Bahrain as part of outsourced projects. Developed an inventory management app that did not acquire active users. Created an open-source POS app compatible with ERPNext, which gained a small but growing user base. Built two mobile POS applications which, despite minimal user adoption, led to pioneering the KaHero team.
Education
Bachelor’s degree at Xavier University - Ateneo de Cagayan
January 1, 2014 - January 1, 2018Qualifications
AWS Certified Solutions Architect - Associate
May 17, 2025 - May 17, 2028Industry Experience
Software & Internet, Healthcare, Retail, Financial Services, Education
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