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Hi, I’m João Pedro Baptista. I’m a Backend Software Engineer specializing in distributed systems, Go/.NET/Node.js, REST and gRPC, and I love building scalable microservices with high uptime. I have hands-on experience architecting fintech-grade infrastructure and data-heavy applications, delivering secure, scalable architectures and robust performance. I’m currently leading the InstantMenu SaaS project and contributing to other edge-focused platforms using Next.js, React, and the Cloudflare ecosystem. I thrive in cross-functional teams and enjoy shipping high-quality software that is fast, accessible, and maintainable.…Hi, I’m João Pedro Baptista. I’m a Backend Software Engineer specializing in distributed systems, Go/.NET/Node.js, REST and gRPC, and I love building scalable microservices with high uptime. I have hands-on experience architecting fintech-grade infrastructure and data-heavy applications, delivering secure, scalable architectures and robust performance. I’m currently leading the InstantMenu SaaS project and contributing to other edge-focused platforms using Next.js, React, and the Cloudflare ecosystem. I thrive in cross-functional teams and enjoy shipping high-quality software that is fast, accessible, and maintainable.

João Pedro Baptista

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

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Hi, I’m João Pedro Baptista. I’m a Backend Software Engineer specializing in distributed systems, Go/.NET/Node.js, REST and gRPC, and I love building scalable microservices with high uptime. I have hands-on experience architecting fintech-grade infrastructure and data-heavy applications, delivering secure, scalable architectures and robust performance. I’m currently leading the InstantMenu SaaS project and contributing to other edge-focused platforms using Next.js, React, and the Cloudflare ecosystem. I thrive in cross-functional teams and enjoy shipping high-quality software that is fast, accessible, and maintainable.…Hi, I’m João Pedro Baptista. I’m a Backend Software Engineer specializing in distributed systems, Go/.NET/Node.js, REST and gRPC, and I love building scalable microservices with high uptime. I have hands-on experience architecting fintech-grade infrastructure and data-heavy applications, delivering secure, scalable architectures and robust performance. I’m currently leading the InstantMenu SaaS project and contributing to other edge-focused platforms using Next.js, React, and the Cloudflare ecosystem. I thrive in cross-functional teams and enjoy shipping high-quality software that is fast, accessible, and maintainable.

Available to hire

Hi, I’m João Pedro Baptista. I’m a Backend Software Engineer specializing in distributed systems, Go/.NET/Node.js, REST and gRPC, and I love building scalable microservices with high uptime. I have hands-on experience architecting fintech-grade infrastructure and data-heavy applications, delivering secure, scalable architectures and robust performance.

I’m currently leading the InstantMenu SaaS project and contributing to other edge-focused platforms using Next.js, React, and the Cloudflare ecosystem. I thrive in cross-functional teams and enjoy shipping high-quality software that is fast, accessible, and maintainable.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Advanced

Work Experience

Backend Software Engineer - Financial Operations

August 1, 2025 - April 1, 2026

Orchestrated the automated movement of digital assets across major exchanges and custodians (Binance, OKX, Fireblocks, KuCoin, Coinbase) by extending a mission-critical Go application using gRPC for low-latency inter-service communication, securely processing continuous, high-frequency transfers 24/7. Engineered a real-time event processing observability service in Node.js (JavaScript), implementing a handlers-and-trackers architecture to monitor metrics in DataDog, ensuring the FinOps team maintained 100% continuous visibility into wallet states. Collaborated with cross-functional teams to resolve operational anomalies, maintaining a 99.9% system reliability rate via Temporal workflow management, and accelerating development and debugging cycles using enterprise AI agents (Claude Code, CodeX, GitHub Copilot Enterprise).

Backend Software Engineer - SAST Engineer at Checkmarx

June 1, 2024 - May 1, 2025

Engineered grammars and parsers within .NET Core (C#) to generate Abstract Syntax Trees (ASTs), successfully identifying critical vulnerabilities (SQLi, XSS, Code Injection, Buffer Overflows) across 50+ programming languages and scanning over 20,000,000,000 lines of code daily. Architected a Roslyn-based static analysis engineering workflow, driving automated refactoring of 5,000+ code queries and standardizing codebase quality for a 50-person engineering department. Developed and scaled REST APIs using Go and Node.js (JavaScript) with a microservices architecture, directly enhancing security analysis capabilities of the flagship product.

Projects InstantMenu at instantmenu.pt

May 1, 2025 - Present

Architected and deployed a highly available, edge-rendered SaaS digital menu platform using Next.js 16, React 19, and the Cloudflare ecosystem (Workers, D1, KV), achieving a perfect 100 Lighthouse score for Performance, Accessibility, Best Practices and SEO. Implemented custom domain routing, secure JWT authentication, and branded Brevo SMTP integrations to automate operational workflows and client communications, building a fully scalable foundation tailored for small businesses.

Back End Software Engineer - SAST Engineer at Checkmarx

June 1, 2024 - May 1, 2025

Engineered grammars and parsers within .NET Core (C#) to generate Abstract Syntax Trees (ASTs), identifying critical vulnerabilities (SQLi, XSS, Code Injection, Buffer Overflows) across 50+ languages and scanning over 20 billion lines of code daily. Architected a Roslyn-based static analysis engine, driving automated refactoring of 5,000+ vulnerability-detection queries and standardizing codebase quality for a 50-person engineering team. Developed and scaled core REST API using Go and Node.js (JavaScript) with a microservices architecture, directly enhancing the security analysis capabilities of the flagship product.

Architect / Developer at Instant Menu

May 1, 2025 - Present

Architected and deployed a highly available, edge-rendered SaaS digital menu platform utilizing Next.js 16, React 19, and the Cloudflare ecosystem (Workers, D1, KV), achieving a perfect 100 Lighthouse score for Performance, Accessibility, Best Practices and SEO. Implemented custom domain routing, secure JWT authentication, and branded Brevo SMTP integrations to automate operational workflows and client communications, building a fully scalable foundation tailored for small businesses.

Back End Software Engineer - SAST Engineer

June 1, 2024 - May 1, 2025

Back End Software Engineer - SAST Engineer

August 1, 2025 - April 1, 2026

Founder / Lead Developer at InstantMenu

May 1, 2025 - Present

Architected and deployed a highly available, edge-rendered SaaS digital menu platform using Next.js 16, React 19, and the Cloudflare ecosystem (Workers, D1, R2, KV), delivering a Lighthouse score of 100 for Performance, Accessibility, Best Practices and SEO.