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I am a UX Engineer and Senior Frontend Developer with over a decade of experience turning complex concepts into seamless, high-performance web applications. My core expertise lies in React, Next.js, TypeScript, and state management (Zustand), always guided by a strong UX/UI mindset to ensure digital products are not just functional, but delightful to use. Throughout my career, I have collaborated with cross-functional, international teams (including US markets), building the bridge between design systems, business requirements, and scalable frontend architecture. I enjoy being involved in the whole product cycle, from initial UI/UX discussions and validation to deployment and analytics tracking. Currently, I heavily integrate AI-native engineering tools into my daily workflow. By combining my extensive engineering background with professional training in AI for Developers, I leverage tools like GitHub Copilot and Claude to accelerate feature development, optimize code quality, and build smarter, next-generation user experiences. Main Technical Stack: • Frontend & Architecture: React, Next.js, TypeScript, Zustand, TailwindCSS, JavaScript (ES6+). • AI & Productivity: GitHub Copilot, Claude, Prompt Engineering, Scaffolding Engineering, RAG frameworks. • Design & UX: UX/UI Mindset, Design Systems, Usability, Digital Accessibility (W3C/WCAG), Figma. • Backend & Integration: Node.js, Ruby on Rails, Headless CMS (Strapi), Analytics (GTM, GA4). Whether collaborating with fast-paced startups or large-scale enterprise systems, I am dedicated to driving continuous improvement, sharing knowledge in the tech community, and building reliable, user-centric software.…I am a UX Engineer and Senior Frontend Developer with over a decade of experience turning complex concepts into seamless, high-performance web applications. My core expertise lies in React, Next.js, TypeScript, and state management (Zustand), always guided by a strong UX/UI mindset to ensure digital products are not just functional, but delightful to use. Throughout my career, I have collaborated with cross-functional, international teams (including US markets), building the bridge between design systems, business requirements, and scalable frontend architecture. I enjoy being involved in the whole product cycle, from initial UI/UX discussions and validation to deployment and analytics tracking. Currently, I heavily integrate AI-native engineering tools into my daily workflow. By combining my extensive engineering background with professional training in AI for Developers, I leverage tools like GitHub Copilot and Claude to accelerate feature development, optimize code quality, and build smarter, next-generation user experiences. Main Technical Stack: • Frontend & Architecture: React, Next.js, TypeScript, Zustand, TailwindCSS, JavaScript (ES6+). • AI & Productivity: GitHub Copilot, Claude, Prompt Engineering, Scaffolding Engineering, RAG frameworks. • Design & UX: UX/UI Mindset, Design Systems, Usability, Digital Accessibility (W3C/WCAG), Figma. • Backend & Integration: Node.js, Ruby on Rails, Headless CMS (Strapi), Analytics (GTM, GA4). Whether collaborating with fast-paced startups or large-scale enterprise systems, I am dedicated to driving continuous improvement, sharing knowledge in the tech community, and building reliable, user-centric software.

Christian Nascimento

Front-End Developer, Web Developer, Software Engineer, +2

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I am a UX Engineer and Senior Frontend Developer with over a decade of experience turning complex concepts into seamless, high-performance web applications. My core expertise lies in React, Next.js, TypeScript, and state management (Zustand), always guided by a strong UX/UI mindset to ensure digital products are not just functional, but delightful to use. Throughout my career, I have collaborated with cross-functional, international teams (including US markets), building the bridge between design systems, business requirements, and scalable frontend architecture. I enjoy being involved in the whole product cycle, from initial UI/UX discussions and validation to deployment and analytics tracking. Currently, I heavily integrate AI-native engineering tools into my daily workflow. By combining my extensive engineering background with professional training in AI for Developers, I leverage tools like GitHub Copilot and Claude to accelerate feature development, optimize code quality, and build smarter, next-generation user experiences. Main Technical Stack: • Frontend & Architecture: React, Next.js, TypeScript, Zustand, TailwindCSS, JavaScript (ES6+). • AI & Productivity: GitHub Copilot, Claude, Prompt Engineering, Scaffolding Engineering, RAG frameworks. • Design & UX: UX/UI Mindset, Design Systems, Usability, Digital Accessibility (W3C/WCAG), Figma. • Backend & Integration: Node.js, Ruby on Rails, Headless CMS (Strapi), Analytics (GTM, GA4). Whether collaborating with fast-paced startups or large-scale enterprise systems, I am dedicated to driving continuous improvement, sharing knowledge in the tech community, and building reliable, user-centric software.…I am a UX Engineer and Senior Frontend Developer with over a decade of experience turning complex concepts into seamless, high-performance web applications. My core expertise lies in React, Next.js, TypeScript, and state management (Zustand), always guided by a strong UX/UI mindset to ensure digital products are not just functional, but delightful to use. Throughout my career, I have collaborated with cross-functional, international teams (including US markets), building the bridge between design systems, business requirements, and scalable frontend architecture. I enjoy being involved in the whole product cycle, from initial UI/UX discussions and validation to deployment and analytics tracking. Currently, I heavily integrate AI-native engineering tools into my daily workflow. By combining my extensive engineering background with professional training in AI for Developers, I leverage tools like GitHub Copilot and Claude to accelerate feature development, optimize code quality, and build smarter, next-generation user experiences. Main Technical Stack: • Frontend & Architecture: React, Next.js, TypeScript, Zustand, TailwindCSS, JavaScript (ES6+). • AI & Productivity: GitHub Copilot, Claude, Prompt Engineering, Scaffolding Engineering, RAG frameworks. • Design & UX: UX/UI Mindset, Design Systems, Usability, Digital Accessibility (W3C/WCAG), Figma. • Backend & Integration: Node.js, Ruby on Rails, Headless CMS (Strapi), Analytics (GTM, GA4). Whether collaborating with fast-paced startups or large-scale enterprise systems, I am dedicated to driving continuous improvement, sharing knowledge in the tech community, and building reliable, user-centric software.

Available to hire

I am a UX Engineer and Senior Frontend Developer with over a decade of experience turning complex concepts into seamless, high-performance web applications. My core expertise lies in React, Next.js, TypeScript, and state management (Zustand), always guided by a strong UX/UI mindset to ensure digital products are not just functional, but delightful to use.

Throughout my career, I have collaborated with cross-functional, international teams (including US markets), building the bridge between design systems, business requirements, and scalable frontend architecture. I enjoy being involved in the whole product cycle, from initial UI/UX discussions and validation to deployment and analytics tracking.

Currently, I heavily integrate AI-native engineering tools into my daily workflow. By combining my extensive engineering background with professional training in AI for Developers, I leverage tools like GitHub Copilot and Claude to accelerate feature development, optimize code quality, and build smarter, next-generation user experiences.

Main Technical Stack:
• Frontend & Architecture: React, Next.js, TypeScript, Zustand, TailwindCSS, JavaScript (ES6+).
• AI & Productivity: GitHub Copilot, Claude, Prompt Engineering, Scaffolding Engineering, RAG frameworks.
• Design & UX: UX/UI Mindset, Design Systems, Usability, Digital Accessibility (W3C/WCAG), Figma.
• Backend & Integration: Node.js, Ruby on Rails, Headless CMS (Strapi), Analytics (GTM, GA4).

Whether collaborating with fast-paced startups or large-scale enterprise systems, I am dedicated to driving continuous improvement, sharing knowledge in the tech community, and building reliable, user-centric software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Intermediate

Spanish; Castilian

Beginner

Work Experience

Software Engineer (Front-End) — Sicredi

March 1, 2022 - Present

Experienced UX engineer and senior front-end developer building modern, high-performance, scalable web applications across Brazil, Portugal, and the US. Integrates AI-native engineering tools into daily workflow to accelerate feature development, improve code quality, streamline troubleshooting, and build next-generation user experiences. Balances business requirements, design principles, and technical feasibility to deliver clean and reliable front-end solutions, and helps improve team development workflows through knowledge sharing and collaborative practices.

IT Consultant — CBFN at CBFN

September 1, 2020 - Present

Founded CBFN as an independent technology consulting company delivering high-performance web architecture and digital solutions, primarily for US-based clients. Established global operations and business setup to structure contract operations and scale development initiatives for US clients. Worked as a hands-on technology consultant guiding international stakeholders on modern front-end frameworks, performance metrics, and seamless third-party integrations. Delivered full-cycle product development bridging architectural choices with business outcomes, focusing on lightweight engineering, search engine optimization (SEO), and conversion frameworks.

Senior Front-End Developer — NosoN (Onair Parking) at NosoN Inc.

August 1, 2020 - August 1, 2022

Engaged via CBFN as a senior front-end architect to lead technical modernization of NosoN's core product ecosystem, including its flagship platform Onairparking.com. Orchestrated migration to Next.js from legacy ASP.NET & Razor infrastructure, improving code maintainability. Engineered performance and SEO improvements driving a 35% increase in web performance, search engine authority, and user engagement. Built cross-platform innovation including a 'Park vs Ride' comparison tool and native mobile experience using React Native. Collaborated cross-functionally with distributed teams (English communication across US and Brazil) to resolve complex usability challenges.

Senior Front-End Developer — BRy Tecnologia at BRy Tecnologia

September 1, 2019 - August 1, 2020

Acted as technical catalyst between product, marketing, and engineering teams to modernize the company’s tech stack and digital products. Championed an architectural shift to React.js across the company, presenting long-term business and technical benefits to stakeholders. Designed and engineered a new company website using React.js and a headless CMS to improve web performance, digital accessibility, and SEO ranking authority. Architected the BrySigner platform web interface using React.js, MobX for robust state management, and i18n for full internationalization readiness. Collaborated closely with UI/UX designers and business stakeholders to ensure architecture choices enhanced both user experience and corporate goals.

Full Stack Developer — Zallpy Group at Zallpy Group

April 1, 2019 - July 31, 2019

Collaborated on short-term project deliveries applying a full-stack approach to build modern web solutions for enterprise clients including major global brands like Engie. Developed responsive and scalable web applications leveraging React.js for frontend and Node.js for backend services. Supported agile practices by stepping into an active role with Scrum Master practices, improving daily communication, removing development blockers, and maintaining agile workflow standards.

Full Stack Developer — Softplan at Softplan

August 1, 2017 - April 1, 2019

Worked in the New Business division (Construt e Tech), focusing on identifying, developing, and validating corporate startups and evaluating strategic technology acquisitions for the group. Led internal startup initiatives from concept to MVP, balancing agile technical development with business viability. Owned frontend/UI/UX work as the technical bridge for frontend solutions by designing modern workflows and interfaces translating complex requirements into user-friendly digital products. Represented the company in the tech ecosystem through event participation and community advocacy, speaking at major events (including TDC T) and leading local Angular meetups.

Front-End Developer — RD Station at RD Station

May 1, 2015 - July 31, 2017

Contributed to the front-end engineering of RD Station, helping build a high-impact marketing automation SaaS platform across multiple product squads. Developed and optimized core billing and payment interface systems. Built user-facing SEO and email marketing features focused on digital marketing performance, content delivery, and automation tooling. Engineered features for complex audience segmentation and data filtering workflows. Acted as an active speaker and contributor in the tech community, presenting at major conferences (including RubyConf Brazil and TDC The Developer’s Conference) and being invited to teach a short practical course at UFSC University.

Software Architect — eCentry at eCentry

October 1, 2013 - May 31, 2015

Responsible for leading frontend initiatives and driving technical modernization of core SaaS platforms and internal R&D projects. Spearheaded UI/UX redesign and frontend modernization of the company’s flagship product (emailmanager.com), optimizing user engagement and interface performance. Led a focused frontend team developing and scaling complex web applications, including blog aggregation and transactional email platform tailoring for developers. Structured robust JavaScript architectures for core platforms while expanding backend competencies, learning Python and building lightweight APIs with Flask to streamline frontend-backend communication.

System Analyst (UX/UI Developer) — Grupo Inovvit at Grupo Inovvit

January 1, 2012 - September 30, 2013

Held the formal title of System Analyst while actively performing UX/UI development, designing and coding digital interfaces across web, mobile, and physical touchpoints. Led end-to-end frontend and interface development for a specialized search engine optimized for construction material price discovery. Designed and developed interactive hardware totems with touch-screen user interfaces for self-service kiosks deployed in water parks, balancing physical usability with digital workflows. Collaborated in the product validation phase for 'Springify', turning conceptual user journeys into functional interactive MVPs. Delivered responsive, standards-compliant HTML, CSS, and JavaScript solutions across internal projects and client consulting engagements.

Senior UI Developer — VILT Group at VILT Group

September 1, 2007 - September 30, 2012

Delivered high-stakes digital interfaces and enterprise solutions for major financial institutions, telecoms, and multinational corporations across Europe, based in Lisbon, Portugal. Owned end-to-end UI/UX lifecycle bridging visual design with clean semantic frontend code in HTML, CSS, and JavaScript. Built and customized frontend interfaces integrated with heavy backend architectures and CRM systems, specializing in OpenText CRM solutions. Focused heavily on cross-browser compatibility, usability, and digital accessibility standards across desktop and mobile platforms.