Hey there 👋 I'm Manuel Toala

Senior Software Engineer | Backend Chapter Lead | Fintech Architect

With over 10 years crafting robust systems and leading technical teams, I specialize in building scalable payment infrastructures and fintech solutions. Currently engineering cutting-edge solutions at the intersection of blockchain, payments, and agricultural commodities trading.

🛠️ Tech Stack & Expertise

Backend Mastery

• Languages: TypeScript, JavaScript, PHP, Python
• Frameworks: NestJS, Node.js, Laravel, Symfony
• Databases: MongoDB, MySQL, PostgreSQL
• Message Brokers: RabbitMQ, AWS SQS
• Architecture: Microservices, Event-Driven, DDD

Cloud & DevOps

• AWS: Lambda, EC2, S3, SQS, CloudFormation
• CI/CD: GitLab CI, GitHub Actions, Jenkins
• Containerization: Docker, Kubernetes
• Monitoring: Datadog, CloudWatch, ELK Stack

Fintech & Payment Systems

• Payment Gateways: Stripe, PayPal, Mercado Pago, Custom ACH/Wire integrations
• Fintech Solutions: PCI-DSS compliance, tokenization, fraud detection
• Financial APIs: Open Banking, PSD2, reconciliation systems
• Blockchain: Wallet services, smart contracts, crypto payment rails
• Accounting Automation: ERP integrations, automated reconciliation, financial reporting

💼 Professional Journey

Backend Chapter Lead & Senior Engineer

• Leading backend chapter with 12+ engineers, defining technical standards and best practices
• Architecting payment infrastructure processing $10M+ monthly in international transactions
• Designing fintech solutions for cross-border payments and multi-currency settlements

Tech Lead

• Spearheaded AWS infrastructure migration achieving 99.9% uptime
• Designed cryptocurrency exchange architecture handling 10K+ daily transactions
• Led team of 8 engineers in delivering trading platform features

Backend Developer

• Developed serverless microservices reducing operational costs by 40%
• Implemented payment gateway integrations processing $10M+ monthly

🏆 Industry Experience

I've had the privilege of working with top-tier disruptive companies in:

• Blockchain & Cryptocurrency: Built exchange platforms and wallet infrastructure
• Payment Gateways: Integrated and optimized major payment processing systems
• Fintech Innovation: Developed solutions for digital banking and cross-border payments
• AgTech Revolution: Transforming commodity trading through technology

🚀 Current Focus

• Leading: Backend chapter initiatives and technical roadmap definition
• Building: Enterprise-grade payment processing systems with NestJS
• Architecting: Multi-tenant fintech platforms with regulatory compliance
• Optimizing: High-throughput payment reconciliation pipelines
• Mentoring: Backend engineers on payment systems and fintech best practices

📊 GitHub Stats

🔗 Let's Connect

"Clean code, scalable systems, delivered results."