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I’m Jon Tristan Jeruta, a full-stack software engineer with 7+ years of experience building and maintaining production SaaS, e-commerce, and enterprise web applications. I specialize in designing end-to-end systems—especially multi-tenant platforms that handle real-world workflows like billing/royalties, authentication, reporting, and operational management. I’ve worked across React and Next.js frontends, TypeScript/Node.js backends, REST APIs, and AWS serverless architectures using services like Lambda, DynamoDB, SQS, and CloudFront. I enjoy turning complex requirements into reliable, scalable solutions, and I’ve also built automation for localization, media/document pipelines, and secure authentication integrations.…I’m Jon Tristan Jeruta, a full-stack software engineer with 7+ years of experience building and maintaining production SaaS, e-commerce, and enterprise web applications. I specialize in designing end-to-end systems—especially multi-tenant platforms that handle real-world workflows like billing/royalties, authentication, reporting, and operational management. I’ve worked across React and Next.js frontends, TypeScript/Node.js backends, REST APIs, and AWS serverless architectures using services like Lambda, DynamoDB, SQS, and CloudFront. I enjoy turning complex requirements into reliable, scalable solutions, and I’ve also built automation for localization, media/document pipelines, and secure authentication integrations.

Jon Tristan Jeruta

Full Stack Developer, Software Engineer, Back-End Developer, +2

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I’m Jon Tristan Jeruta, a full-stack software engineer with 7+ years of experience building and maintaining production SaaS, e-commerce, and enterprise web applications. I specialize in designing end-to-end systems—especially multi-tenant platforms that handle real-world workflows like billing/royalties, authentication, reporting, and operational management. I’ve worked across React and Next.js frontends, TypeScript/Node.js backends, REST APIs, and AWS serverless architectures using services like Lambda, DynamoDB, SQS, and CloudFront. I enjoy turning complex requirements into reliable, scalable solutions, and I’ve also built automation for localization, media/document pipelines, and secure authentication integrations.…I’m Jon Tristan Jeruta, a full-stack software engineer with 7+ years of experience building and maintaining production SaaS, e-commerce, and enterprise web applications. I specialize in designing end-to-end systems—especially multi-tenant platforms that handle real-world workflows like billing/royalties, authentication, reporting, and operational management. I’ve worked across React and Next.js frontends, TypeScript/Node.js backends, REST APIs, and AWS serverless architectures using services like Lambda, DynamoDB, SQS, and CloudFront. I enjoy turning complex requirements into reliable, scalable solutions, and I’ve also built automation for localization, media/document pipelines, and secure authentication integrations.

Available to hire

I’m Jon Tristan Jeruta, a full-stack software engineer with 7+ years of experience building and maintaining production SaaS, e-commerce, and enterprise web applications. I specialize in designing end-to-end systems—especially multi-tenant platforms that handle real-world workflows like billing/royalties, authentication, reporting, and operational management.

I’ve worked across React and Next.js frontends, TypeScript/Node.js backends, REST APIs, and AWS serverless architectures using services like Lambda, DynamoDB, SQS, and CloudFront. I enjoy turning complex requirements into reliable, scalable solutions, and I’ve also built automation for localization, media/document pipelines, and secure authentication integrations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Aragonese

Advanced

Work Experience

Senior Software Engineer at Valhalla Online Services Inc.

August 1, 2020 - June 1, 2026

Owned and implemented multi-tenant architecture for a franchise management platform used by hundreds of clubs. Built organization-scoped workflows for member management, billing/invoicing, permissions, and franchise operations. Developed core e-commerce and supply-chain features including multi-warehouse inventory, SKU tracking, stock transfers, multi-currency pricing, checkout, order fulfillment, shipment tracking, and automated order-status workflows. Designed and implemented major billing and royalty systems supporting recurring software fees, equipment royalties, and custom franchise charges, including automated invoice aggregation, tax calculations, PDF invoice generation, and historical billing records. Rebuilt the SSO/authentication layer in Go for multi-tenancy and replaced the earlier OAuth2 Proxy approach with a multi-provider authentication service and OAuth2 Proxy-compatible health-check APIs. Architected AWS serverless microservices using Lambda, DynamoDB, SQS, API Gatewa

Software Developer at Stacktrek Enterprise Inc.

November 1, 2018 - August 1, 2020

Developed web and mobile applications, including STA CKED, a learning management system. Built frontend and backend features using React, Node.js, and Phoenix/Elixir, collaborating with designers and product stakeholders to deliver and maintain production features.