Zanderlan Neto · Software Engineer
Software Engineer focused on product engineering, performance, and scalable web platforms
I build robust systems with TypeScript, React, Next.js, Node.js, and GraphQL. From architecture to production, across international teams and products.
Building with intention
Over 8+ years of full-stack engineering across startups and established companies. I've built scalable platforms that serve 800K+ users, led engineering teams, and shipped product across international markets. Based in Brazil, working with U.S. and global teams with the same product-driven mindset and technical discipline.
Experience
Companies and teams I've contributed to
2025 – present
U.S.-based company that connects top Latin American engineers with American tech companies.
Senior Software Engineer
WellSite NavigatorFeb 2025 – present
Allocated to WellSite Navigator, the most trusted oilfield navigation app in the U.S. My focus is on modernizing and scaling the platform with Next.js, Node.js, and GraphQL for thousands of daily users in the oil and gas industry.
2021 – 2025
Enterprise internal communication platform used by major companies like ArcelorMittal, BASF, PepsiCo, and Saint-Gobain.
Tech Lead
Oct 2022 – Feb 2025
Led the frontend architecture and the engineering team. Drove a full Next.js migration, reduced operational costs by 25%, mentored 3 developers to promotion, and automated app publishing to cut release time by 60%.
Software Engineer
Jul 2021 – Oct 2022
Developed and maintained features for the platform, which served over 800K users. Worked with cross-functional teams on solutions that improved user experience, leading to a 20-point NPS increase.
2019 – 2021
Brazilian software consultancy that builds custom digital products for clients across industries.
Tech Lead
Jul 2020 – Jul 2021
Led development teams delivering scalable solutions for multiple clients. Created a development workflow that reduced component creation errors by 40% and introduced Jest for unit testing across all projects.
Software Engineer
Feb 2019 – Jul 2020
Built platforms for a variety of clients, including car sales websites, lead generation systems, television platforms, and telemedicine applications. Full-stack work across mobile, backend, and frontend.
Brainship
(Part-time)
2020 – 2022
Brazilian edtech platform for live online classes and course management.
Software Engineer
Sep 2020 – Jun 2022
Integrated PIX payments and credit card installments into the platform. Migrated the video conferencing system from Zoom to Jitsi, bringing that cost down to zero without affecting the user experience.
2018 – present
Accounting firm specialized in condominium management, based in Goiania, Brazil.
Technology Lead
2019 – present
Responsible for all technology decisions, digital presence, and ongoing platform maintenance.
Web Developer
Jan 2018 – Feb 2019
Built the payment slip generation platform and redesigned the company's institutional website with a new visual identity.
Consulting Projects
Independent projects where engineering met product thinking
Built and deployed a Progressive Web App for the Goias Reining Horse Association (Associacao Goiana do Cavalo de Redeas). The app handles event management, competitor registration, and organizational workflows. I designed the architecture on AWS and later migrated it to a VPS, cutting costs significantly while keeping zero downtime.
Full-stack Engineer
Significant infrastructure cost reduction after AWS to VPS migration, with zero downtime throughout the process.
Designed and built the entire backend architecture for AUVP's investment education platform. The system now supports over 20,000 students, with seamless integration between backend and frontend.
Software Engineer, Backend Architecture
Platform supporting 20,000+ active students with a scalable backend architecture.
Integrated the Hotmart API with 'O Portal', a course platform for one of Brazil's leading digital marketing influencers. Also improved the login flow for better security and user experience.
Software Engineer, API Integration
Hotmart API successfully integrated, with student satisfaction reaching 80%.
What people say
Feedback from colleagues and clients I've worked with
“He is an incredibly resourceful and deeply skilled developer, with a strong ability to understand complex systems and translate that understanding into practical, high-impact solutions. He consistently brings real value to the team by introducing better tools and workflows, streamlining processes, and actively taking ownership of challenging tasks.”
Minahil Faisal
Software Engineer @ WellsSite Navigator
“What separates Zanderlan is his mastery of both hard and soft skills. Working with him is always a pleasure because he not only identifies problems quickly and offers effective solutions but also communicates his ideas clearly and empathetically. His ability to bridge the gap between technical know-how and human connectedness is what makes him such an asset to any team.”
Leandro França
Full-Stack Developer @ Dialog.ci
“Zanderlan demonstrates a unique ability to solve challenges with agility without ever sacrificing excellence. His meticulous approach seeks not only to solve problems but also to understand the impact of those solutions on our greatest asset: the company's clients. His communication skills have always stood out as a remarkable differentiator within the teams.”
João Paulo Pacheco
Senior Full Stack Engineer @ Dialog.ci
About
I'm a software engineer who thinks in systems. Over the past 8+ years, I've worked across the full stack, from crafting pixel-precise interfaces to designing backend architectures that serve hundreds of thousands of users. My core tools are TypeScript, React, Next.js, Node.js, and GraphQL, but what drives my work is a product engineering mindset: building things that perform, scale, and genuinely solve problems.
I've led teams, mentored developers, reduced operational costs, and shipped platforms across industries like enterprise communication, financial services, and event management. Based in Brazil, I work internationally with the same standard of clarity, discipline, and craft.
Through ColdFire Tech, I bring this experience to teams and products that need senior-level engineering with a product-first perspective.
0+
Years of Experience
Full-Stack
Engineering
International
Product Work
Web
Platforms & Performance
Let's connect
I'm always interested in good conversations about product, engineering, and technology. If you have an idea, a project, or just want to exchange experiences, feel free to reach out.