KAIO MORSCH

Senior Software Engineer

Senior software engineer at Dot Digital Group — a global leader in enterprise digital ecosystems for Fortune 500 companies — pioneering the architecture of highly available systems supporting hundreds of thousands of concurrent sessions.

• Engineered highly optimized frontend and server runtimes using TypeScript, Go, and Bun, mitigating client-side rendering performance degradation under load.
• Architected a monolithic-to-distributed ecosystem upgrade, speeding up overall system delivery, execution, and build pipelines by 90%.
• Designed modern, rigorous CI/CD workflows and advanced builds (Vite, Bun), ensuring automated unit/E2E test guardrails and mitigating production regressions.
• Integrated advanced Generative AI automation agents into the developer workflow to dramatically lower system tech debt and ensure secure, reliable standards.

Technologies: TypeScript, Go, Bun, React, Vue.js, Vite, GenAI, CI/CD

Founder & Principal Engineer [B2B Consultancy] — B2B Consultancy

Independent consultancy and LLC specializing in software architecture and fullstack solutions for B2B/B2C clients. Architected and deployed a multi-tenant fullstack e-commerce engine from scratch, handling concurrent operations, relational data modeling, and data stream synchronization under sudden high-traffic load.

• Designed standalone Go + Bun backend architectures processing over 1,000 requests/orders per hour with strict sub-200ms latency limits.
• Built web interfaces with React and Vue utilizing Server-Side Rendering (SSR) to accelerate LCP by 60% and directly drive customer acquisition rates.
• Engineered highly optimized storage normalization and redis cache pooling structures, reducing data inconsistency down to less than 1%.
• Directed full Software Development Life Cycle (SDLC) pipelines from target definition to cloud-agnostic platform deployments.

Technologies: Go, Bun, React, Vue, Nuxt, Microservices, Cloud Infrastructure, High-Traffic B2C

Software Engineer III

Architected and maintained critical payment gateway flows processing millions of monthly transactions, ensuring idempotency, 99.9% uptime, and PCI-DSS compliance.

• Implemented core gateway features driving 45% YoY revenue growth through new payment methods
• Reduced transaction error rate by 20% introducing custom retry policies and circuit breakers
• Designed and deployed 15+ e-commerce integrations (VTEX, Shopify, WooCommerce) with < 2 weeks time-to-live
• Increased client adoption by 30% redesigning public API DX and technical documentation
• Modernized CI/CD pipelines in Azure DevOps, reducing deployment time from 45 min to 12 min
• Centralized architecture decisions in ADRs, accelerating new engineer onboarding by 50%

Technologies: Go, RESTful APIs, Vue, React, Azure DevOps, Payment Gateways

Front End Software Engineer

Developed a new e-commerce experience for the Animale project, modernizing the user interface and enhancing platform usability.

• Created responsive and visually appealing interfaces using JavaScript and React
• Integrated VTEX e-commerce platform for product and checkout management
• Conducted performance analyses resulting in faster loading times
• Participated in agile meetings and code reviews
• Contributed to automated tests ensuring code quality

Technologies: JavaScript, React, VTEX, Performance Optimization

Junior Front End Developer

Enhanced the VTEX e-commerce platform by implementing new features and improving user experience.

• Designed and implemented new features for VTEX platform
• Used JavaScript, jQuery, Node.js, React, Sass, and TypeScript
• Maintained and optimized existing codebases
• Collaborated with UI/UX designers to translate mockups
• Participated in testing and debugging across browsers

Technologies: JavaScript, jQuery, Node.js, React, Sass, TypeScript, VTEX

Systems Analyst

Worked in two areas: support and development. In support, provided customer service and infrastructure monitoring. In development, worked on frontend and backend systems.

• Customer service and requirements gathering
• Environment monitoring, VPN and Firewall setup
• Frontend: jQuery, Vue.js, Vuex, WebPack, Nunjucks, VanillaJS
• Backend: Python, Django, NodeJS, MirageJS

Technologies: jQuery, Vue.js, Vuex, Python, Django, NodeJS

Junior Systems Support Analyst

Assisted stores with issues in the P2K system of their POS terminals. Analyzed, prioritized, and addressed support tickets via Telnet and SSH access.

• Created and executed SHELL scripts for ticket automation
• Responsible for macros that automated ticket handling
• Optimized productivity of the frontline support team

Technologies: Shell Script, Telnet, SSH, POS Systems

Support Analyst

Computer maintenance, infrastructure problem analysis, network creation and implementation of technological solutions.

• Reduced departmental expenses through tech solutions
• Improved internal communication between collaborators
• Network infrastructure design and maintenance

Technologies: Network Infrastructure, Hardware Maintenance, IT Support

Support Analyst Intern

Level 1 and 2 support, ticket evaluation and diagnosis for resolution.

• Level 1 and 2 technical support
• Ticket evaluation and diagnosis
• On-site problem resolution when necessary

Technologies: IT Support, Hardware, Diagnostics