Software Engineer
Viktor Avelino
Software Engineer at IBM with expertise in React, TypeScript, and modern web technologies. Passionate about building scalable, user-centric applications and driving innovation through clean code and agile practices.
Skills
Technologies and tools I work with on a daily basis.
Frontend
Backend
Tools & Methods
Experience
My professional journey building software across different industries.
IBM | Langflow
Software Engineer
Nov 2025 - Present · Toronto, ON
- Developed and maintained enterprise-level web applications using React and TypeScript
- Collaborated with cross-functional teams to deliver scalable solutions following agile methodologies
- Contributed to front-end architecture decisions and code quality improvements
Tech Mahindra
Software Engineer
Sep 2022 - Nov 2025 · Toronto, ON (Remote)
- Built a React-based Point of Sale system for AT&T from scratch using domain-driven architecture
- Developed reusable Angular component library for PNC Bank meeting accessibility (WCAG) standards
- Worked closely with UX designers and product owners to translate requirements into technical solutions
Diario do Xingu
Frontend Developer
Apr 2025 - May 2025 · Brazil (Remote)
- Developed responsive web interfaces using React and modern CSS frameworks
- Implemented content management features and optimized page load performance
Unicar
Full Stack Developer
Aug 2022 - Mar 2023 · Brazil (Remote)
- Built a full-stack platform that connects users with certified expediters who handle vehicle-related bureaucracy on their behalf using React Native with Supabase backend
- Integrated PagSeguro payment processing and PostgreSQL database management
- Managed end-to-end development lifecycle from concept to deployment
Projects
Notable projects I've contributed to throughout my career.
Langflow
Open-source low-code platform for building AI agents and RAG applications with a visual drag-and-drop interface, backed by Python and integrations with major LLMs.
Diário do Xingu
Digital news portal for the Xingu region in Pará, Brazil, delivering local journalism with a modern Next.js front end and Tailwind CSS styling.
Unicar
Full-stack platform that connects users with certified expediters who handle vehicle-related bureaucracy on their behalf, with real-time features, payment integration via PagSeguro, and a mobile-first experience.
Blog
Thoughts on software development, technology, and more.
The Real AI Race Isn't the Model. It's the Harness.
Model quality still matters, but the real separation now is the scaffolding around it: context, tools, evals, testing, and feedback loops that let agents do reliable work.
Speed Without Synthesis Is Just Faster Chaos
AI is in 60% of developer workflows, but only 0-20% of tasks can be fully delegated. The real edge isn't shipping fastest — it's synthesizing what you learn from all that speed.
I've Been Lying to My AI Agent This Whole Time
How overly detailed CLAUDE.md files can actually make AI agents worse at coding — and the security risks hiding in plain sight.