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Andrii Pervashov
[open contact info](look above in the "contact info" section) — [open contact info](look above in the "contact info" section) — [open contact info](look above in the "contact info" section) — Kosice, Slovakia
SUMMARY
Software engineer with 3+ years of experience building fintech and SaaS products with React, TypeScript, Node.js, and
Python. Focused on investment platforms, Shopify apps, enterprise integrations, financial data pipelines, authentication
flows, and AI/API integrations.
SKILLS
Frontend: React, TypeScript, JavaScript, Redux, Redux Toolkit, TailwindCSS, Material UI, Next.js
Backend: Node.js, Express, Python, AWS Lambda, Fastify, Prisma ORM, Mongoose, PostgreSQL, MongoDB
APIs and Data: GraphQL, REST APIs, WebSockets, OpenAPI, JWT Authentication, Salesforce API, Shopify APIs
Tools: Jest, React Testing Library, Docker, Git, GitHub, AWS, Azure, CI/CD, GitHub Actions, Figma
WORK EXPERIENCE
INSART – Fintech / Alternative Investments
Software Engineer Oct 2025 – Present
• Built a fintech data orchestration layer for Addepar and Orion using scheduled Python workers and cron jobs to
aggregate, transform, and distribute platform-wide financial data.
• Enhanced AWS Lambda services with user-facing cancellation logic, preventing unintended long-running executions
and improving reliability under load.
• Developed a full-stack joint transaction management feature for multi-leg financial transactions with parent-child
tracking, enabling a new transaction type on the investment platform.
• Shipped document-system productivity features including keyboard tagging, pinned table headers, advanced filtering,
and extended CSV exports.
• Resolved 22 production issues across UI, backend, and API layers while maintaining delivery across two concurrent
products.
Middle Frontend Developer Jun 2025 – Oct 2025
• Designed a custom password reset flow with cross-tab state synchronization to maintain OKTA session consistency
and prevent authentication conflicts.
• Stabilized the WebSocket lifecycle for admin impersonation, ensuring reliable session switching and correct real-time
state updates.
• Built a React-based table builder with multi-step business validation and Salesforce record creation, while optimizing
data-heavy pages by reducing redundant network requests.

Web Engineer Oct 2023 – May 2025
SmartFlowLabs – SaaS E-commerce Platform, Shopify Ecosystem, Quebec, Canada
• Developed and maintained Shopify-based e-commerce applications for international SaaS clients, covering custom
storefront features, backend services, and third-party integrations.
• Improved API performance and scalability by designing a GraphQL data layer from scratch, replacing a REST-only
architecture and eliminating overfetching across a multi-service SaaS platform.
• Owned feature delivery from specification to deployment, shipping custom Shopify frontend components and backend
integrations across 18+ months of production releases.
Layout Developer Jul 2019 – Feb 2022
Freelance
• Delivered 32 responsive landing pages and HTML email campaigns from Figma designs, increasing cold outreach
retention by 23% and generating 1,500+ leads.
ADDITIONAL
Certification: Building with the Claude API — Languages: Ukrainian, English, Slovak
EDUCATION
Master’s Degree in Computer Science Kosice, Slovakia
Technical University of Kosice