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Versatile full stack engineer with extensive experience building scalable B2B and B2C SaaS platforms and immersive online gaming applications. I specialize in delivering end-to-end solutions that drive business growth and exceptional user experiences. I have built several large scale B2B and B2C focused platforms like white-label Back office supporting multi-business roles, appealing casino platforms with a high-quality customer experience, kiosk, and financial solutions using top-notch technologies. Services I Offer ✅ SaaS Platform - Enterprise Scale B2B/B2C solutions with modern tech stacks ✅ Online Gaming Applications - White label Back office, Hybrid Casino platforms, Land-based kiosk, Game and payment provider integration. ✅ API Development - Scalable REST/GraphQL APIs, API Caching with Redis. Documentation. ✅ Frontend Development - Responsive, performant UIs with excellent UX ✅ Database Architecture - Optimized data models for scale and performance ✅ DevOps & Deployment - CI/CD pipelines, cloud infrastructure, docker containerization, monitoring Core Skills Backend: Node.js, Python, Fastify, Django, BullMQ, Celery, WebSocket, microservices Frontend: React, Next.js, Vue.js, TypeScript, Tailwind CSS, React Query Databases: PostgreSQL, MySQL, Redis, Supabase, Neon Cloud & DevOps: AWS, Docker, CI/CD, GCP, Fly.io, Cloudflare SaaS: Payment integration, multi-tenancy, analytics, subscription management AI: OpenAI, Anthropic, Vercel, Vertex, Elevenlabs I’m excited to discuss your project today and look forward to helping your team achieve its goals!…Versatile full stack engineer with extensive experience building scalable B2B and B2C SaaS platforms and immersive online gaming applications. I specialize in delivering end-to-end solutions that drive business growth and exceptional user experiences. I have built several large scale B2B and B2C focused platforms like white-label Back office supporting multi-business roles, appealing casino platforms with a high-quality customer experience, kiosk, and financial solutions using top-notch technologies. Services I Offer ✅ SaaS Platform - Enterprise Scale B2B/B2C solutions with modern tech stacks ✅ Online Gaming Applications - White label Back office, Hybrid Casino platforms, Land-based kiosk, Game and payment provider integration. ✅ API Development - Scalable REST/GraphQL APIs, API Caching with Redis. Documentation. ✅ Frontend Development - Responsive, performant UIs with excellent UX ✅ Database Architecture - Optimized data models for scale and performance ✅ DevOps & Deployment - CI/CD pipelines, cloud infrastructure, docker containerization, monitoring Core Skills Backend: Node.js, Python, Fastify, Django, BullMQ, Celery, WebSocket, microservices Frontend: React, Next.js, Vue.js, TypeScript, Tailwind CSS, React Query Databases: PostgreSQL, MySQL, Redis, Supabase, Neon Cloud & DevOps: AWS, Docker, CI/CD, GCP, Fly.io, Cloudflare SaaS: Payment integration, multi-tenancy, analytics, subscription management AI: OpenAI, Anthropic, Vercel, Vertex, Elevenlabs I’m excited to discuss your project today and look forward to helping your team achieve its goals!

Leonardo Rodrigues

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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Versatile full stack engineer with extensive experience building scalable B2B and B2C SaaS platforms and immersive online gaming applications. I specialize in delivering end-to-end solutions that drive business growth and exceptional user experiences. I have built several large scale B2B and B2C focused platforms like white-label Back office supporting multi-business roles, appealing casino platforms with a high-quality customer experience, kiosk, and financial solutions using top-notch technologies. Services I Offer ✅ SaaS Platform - Enterprise Scale B2B/B2C solutions with modern tech stacks ✅ Online Gaming Applications - White label Back office, Hybrid Casino platforms, Land-based kiosk, Game and payment provider integration. ✅ API Development - Scalable REST/GraphQL APIs, API Caching with Redis. Documentation. ✅ Frontend Development - Responsive, performant UIs with excellent UX ✅ Database Architecture - Optimized data models for scale and performance ✅ DevOps & Deployment - CI/CD pipelines, cloud infrastructure, docker containerization, monitoring Core Skills Backend: Node.js, Python, Fastify, Django, BullMQ, Celery, WebSocket, microservices Frontend: React, Next.js, Vue.js, TypeScript, Tailwind CSS, React Query Databases: PostgreSQL, MySQL, Redis, Supabase, Neon Cloud & DevOps: AWS, Docker, CI/CD, GCP, Fly.io, Cloudflare SaaS: Payment integration, multi-tenancy, analytics, subscription management AI: OpenAI, Anthropic, Vercel, Vertex, Elevenlabs I’m excited to discuss your project today and look forward to helping your team achieve its goals!…Versatile full stack engineer with extensive experience building scalable B2B and B2C SaaS platforms and immersive online gaming applications. I specialize in delivering end-to-end solutions that drive business growth and exceptional user experiences. I have built several large scale B2B and B2C focused platforms like white-label Back office supporting multi-business roles, appealing casino platforms with a high-quality customer experience, kiosk, and financial solutions using top-notch technologies. Services I Offer ✅ SaaS Platform - Enterprise Scale B2B/B2C solutions with modern tech stacks ✅ Online Gaming Applications - White label Back office, Hybrid Casino platforms, Land-based kiosk, Game and payment provider integration. ✅ API Development - Scalable REST/GraphQL APIs, API Caching with Redis. Documentation. ✅ Frontend Development - Responsive, performant UIs with excellent UX ✅ Database Architecture - Optimized data models for scale and performance ✅ DevOps & Deployment - CI/CD pipelines, cloud infrastructure, docker containerization, monitoring Core Skills Backend: Node.js, Python, Fastify, Django, BullMQ, Celery, WebSocket, microservices Frontend: React, Next.js, Vue.js, TypeScript, Tailwind CSS, React Query Databases: PostgreSQL, MySQL, Redis, Supabase, Neon Cloud & DevOps: AWS, Docker, CI/CD, GCP, Fly.io, Cloudflare SaaS: Payment integration, multi-tenancy, analytics, subscription management AI: OpenAI, Anthropic, Vercel, Vertex, Elevenlabs I’m excited to discuss your project today and look forward to helping your team achieve its goals!

Available to hire

Versatile full stack engineer with extensive experience building scalable B2B and B2C SaaS platforms and immersive online gaming applications. I specialize in delivering end-to-end solutions that drive business growth and exceptional user experiences.

I have built several large scale B2B and B2C focused platforms like white-label Back office supporting multi-business roles, appealing casino platforms with a high-quality customer experience, kiosk, and financial solutions using top-notch technologies.

Services I Offer
✅ SaaS Platform - Enterprise Scale B2B/B2C solutions with modern tech stacks
✅ Online Gaming Applications - White label Back office, Hybrid Casino platforms, Land-based kiosk, Game and payment provider integration.
✅ API Development - Scalable REST/GraphQL APIs, API Caching with Redis. Documentation.
✅ Frontend Development - Responsive, performant UIs with excellent UX
✅ Database Architecture - Optimized data models for scale and performance
✅ DevOps & Deployment - CI/CD pipelines, cloud infrastructure, docker containerization, monitoring

Core Skills
Backend: Node.js, Python, Fastify, Django, BullMQ, Celery, WebSocket, microservices
Frontend: React, Next.js, Vue.js, TypeScript, Tailwind CSS, React Query
Databases: PostgreSQL, MySQL, Redis, Supabase, Neon
Cloud & DevOps: AWS, Docker, CI/CD, GCP, Fly.io, Cloudflare
SaaS: Payment integration, multi-tenancy, analytics, subscription management
AI: OpenAI, Anthropic, Vercel, Vertex, Elevenlabs

I’m excited to discuss your project today and look forward to helping your team achieve its goals!

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Portuguese

Fluent

English

Fluent

Work Experience

Lead Software Engineer at RegalTech, LLC

August 1, 2024 - Present

Led the development of full-stack gaming platforms for sweepstakes across crypto-only, fiat, and hybrid casino ecosystems, integrating blockchain payments and traditional banking systems and connecting 20+ game providers including Evolution Gaming and NetEnt. Built white-label casino management systems serving 50+ brands with multi-tenant architecture, back-office dashboards, partner management tools, and automated compliance workflows. Engineered scalable platform architecture delivering 50k+ daily users with 99.98% uptime, sub-50ms latency, and processing over $50M annually in gaming transactions. Created comprehensive customer management systems with KYC/AML compliance, player protection features, affiliate tracking, and real-time analytics dashboards for business insights. Implemented automated CI/CD deployment pipelines reducing release time by 80% while maintaining enterprise security standards and PCI-compliant payment processing. Designed mobile-responsive gaming interfaces wit

Full Stack Developer at Venturus, Inc

July 1, 2020 - August 1, 2023

Architected and optimized high-performance backend systems for R&D projects, achieving 40% improvement in system response times and reliability across multiple concurrent research initiatives. Implemented scalable microservices architecture using Node.js and TypeScript, supporting data-intensive research applications with PostgreSQL optimization and advanced query performance tuning. Led AWS cloud infrastructure migration and management, reducing operational costs by 35% while implementing robust CI/CD pipelines for automated testing and deployment. Collaborated with cross-functional research teams in Agile sprints, delivering backend solutions for experimental technologies and ensuring seamless integration with existing research frameworks.

Development Intern at Venturus, Inc

December 1, 2019 - August 1, 2020

Contributed to cutting-edge proof-of-concept development for emerging technologies, accelerating innovation timelines by 25% through rapid prototyping and feasibility analysis. Developed cross-platform mobile applications using Flutter, creating native-like experiences for iOS and Android while maintaining a unified codebase. Implemented IoT integration solutions with Python and Node.js, enabling real-time data collection and processing for research projects involving connected devices and sensor networks. Quickly mastered new technologies and frameworks, demonstrating adaptability and contributing to experimental projects requiring fast iteration.

Student Developer at Google Summer of Code

January 1, 2018 - April 1, 2019

Developed a comprehensive Command Line Interface (CLI) for SpiderMonkey web scraping framework, boosting developer productivity by 50% and simplifying project setup workflows. Practiced Test-Driven Development (TDD) for open-source contributions, ensuring high code quality and maintainability across distributed teams. Collaborated with international open-source communities, managing remote feedback cycles and contributing to project roadmap decisions affecting thousands of developers worldwide.

Full Stack Developer at Stoome-E-Commerce Solution

December 1, 2016 - July 1, 2017

Delivered comprehensive e-commerce platforms for multiple clients, integrating payment gateways, inventory management, and custom business logic, resulting in a 30% increase in client conversion rates. Built scalable back-end services using Java Spring with Hibernate ORM, managing high-transaction e-commerce data and ensuring PCI compliance for payment processing. Managed simultaneous client projects with varying technical requirements, implementing custom API integrations and third-party service connections while maintaining 99.5% system uptime.