![Henrique Lobato Zago](https://jobicy.com/react/themes/app/images/avatar.jpg) Henrique Lobato Zago # Senior Software Engineer Open to offers · Member since 14 Jul 2026 [Message](https://jobicy.com/dashboard-page.md) ShareLocationFoz do Iguaçu, BrazilDesired salaryUnspecifiedWork preferenceRemote OnlyExperience levelSenior * [Overview](#overview) * [Portfolio 0](#portfolio) * [Services 0](#services) ## About Professional summaryI am a Senior Software Engineer with more than 13 years of experience building web, mobile, and cloud-based applications for companies across Brazil, the UK, and Europe. I specialize in React, TypeScript, and modern frontend architecture, and I have extensive experience leading technical initiatives, designing scalable systems, and improving application performance and reliability. My background includes real-time systems, cloud video streaming platforms, WebRTC, WebSockets, infrastructure optimization, mapping technologies, and SaaS products. I have worked across frontend, backend, and infrastructure domains, contributing to architecture decisions, implementation details, and operational improvements in distributed international teams. I also have experience in incident response, support collaboration, and production troubleshooting, which has helped me build reliable systems and communicate effectively with stakeholders. I enjoy mentoring engineers, driving technical standards, and delivering high-quality products in fast-paced environments where collaboration and engineering excellence matter. ## Skills 36 capabilities[Agile Delivery](https://jobicy.com/talent/agile-delivery.md)[Angular](https://jobicy.com/talent/angular.md)[Architecture Design](https://jobicy.com/talent/architecture-design.md)[AWS](https://jobicy.com/talent/aws.md)[CI CD](https://jobicy.com/talent/ci-cd.md)[Cross Functional Collaboration](https://jobicy.com/talent/cross-functional-collaboration.md)[Docker](https://jobicy.com/talent/docker.md)[Elixir](https://jobicy.com/talent/elixir.md)[Go](https://jobicy.com/talent/go.md)[Google Cloud Platform](https://jobicy.com/talent/google-cloud-platform.md)[GraphQL](https://jobicy.com/talent/graphql.md)[Incident Response](https://jobicy.com/talent/incident-response.md)[Java](https://jobicy.com/talent/java.md)[JavaScript](https://jobicy.com/talent/javascript.md)[Jest](https://jobicy.com/talent/jest.md)[Mentoring](https://jobicy.com/talent/mentoring.md)[Next.js](https://jobicy.com/talent/next-js.md)[Observability](https://jobicy.com/talent/observability.md)[Performance Optimization](https://jobicy.com/talent/performance-optimization.md)[Phoenix](https://jobicy.com/talent/phoenix.md)[Playwright](https://jobicy.com/talent/playwright.md)[React](https://jobicy.com/talent/react.md)[React Query](https://jobicy.com/talent/react-query.md)[Redux](https://jobicy.com/talent/redux.md)[ReScript](https://jobicy.com/talent/rescript.md)[REST APIs](https://jobicy.com/talent/rest-apis.md)[Ruby on Rails](https://jobicy.com/talent/ruby-on-rails.md)[Spring Boot](https://jobicy.com/talent/spring-boot.md)[Sumo](https://jobicy.com/talent/sumo.md)[System Design](https://jobicy.com/talent/system-design.md)[Technical Leadership](https://jobicy.com/talent/technical-leadership.md)[TypeScript](https://jobicy.com/talent/typescript.md)[Video Streaming](https://jobicy.com/talent/video-streaming.md)[WebRTC](https://jobicy.com/talent/webrtc.md)[WebSockets](https://jobicy.com/talent/websockets.md)[XState](https://jobicy.com/talent/xstate.md) ## Tech stack & tools Working toolkit ### Analytics [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/sentry/sentry-original.svg) Sentry](https://jobicy.com/talent?tool=sentry.md) ### Development [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/docker/docker-original.svg) Docker](https://jobicy.com/talent?tool=docker.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/jest/jest-original.svg) Jest](https://jobicy.com/talent?tool=jest.md) ### Languages & Frameworks [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/angular/angular-original.svg) Angular](https://jobicy.com/talent?tool=angular.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/elixir/elixir-original.svg) Elixir](https://jobicy.com/talent?tool=elixir.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/go/go-original.svg) Go (Golang)](https://jobicy.com/talent?tool=go.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/graphql/graphql-original.svg) GraphQL](https://jobicy.com/talent?tool=graphql.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/javascript/javascript-original.svg) JavaScript](https://jobicy.com/talent?tool=javascript.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/phoenix/phoenix-original.svg) Phoenix Framework](https://jobicy.com/talent?tool=phoenix.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/playwright/playwright-original.svg) Playwright](https://jobicy.com/talent?tool=playwright.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/react/react-original.svg) React](https://jobicy.com/talent?tool=react.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/typescript/typescript-original.svg) TypeScript](https://jobicy.com/talent?tool=typescript.md) ### Libraries [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/redux/redux-original.svg) Redux](https://jobicy.com/talent?tool=redux.md) ## Experience Career history ### Senior Frontend Engineer · Milestone Systems (formerly Arcules) Oct 2023 – May 2026Worked on a large-scale cloud-based video surveillance platform with a focus on real-time video streaming and enterprise frontend applications. Led development of advanced video player features, including PTZ controls, synchronized multi-player playback, and timeline/calendar-based video seeking. Collaborated with multiple backend teams across US, EU, and JP production environments. Designed and implemented internal administration tools, contributed to frontend and backend development with React, TypeScript, and Go, and participated in incident response rotations, triaging alerts and coordinating with support teams and stakeholders. ### Full Stack Contractor · InPost Aug 2023 – Nov 2023Developed and maintained logistics platform features across frontend and backend systems in a distributed international team. Delivered product improvements in a fast-paced contractor environment and collaborated on architecture discussions, feature delivery, and bug fixes. Worked primarily with React-based frontend applications while contributing to backend initiatives when needed. ### Senior Frontend Developer · Vamstar Feb 2023 – Aug 2023Developed new frontend features for a healthcare procurement platform using React and TypeScript. Improved frontend architecture, maintainability, and application performance while introducing and improving automated testing practices for UI components. Collaborated with product and engineering stakeholders to deliver scalable business features. ### Senior Full Stack Developer · Walnut Sep 2021 – Feb 2023Built customer-facing web applications and browser extensions. Participated in architecture discussions and RFC processes for critical platform changes, and contributed to system reliability through production investigations and post-mortem analysis. Also participated in on-call rotations supporting critical business systems. ### Software Engineer · Clevertech Dates not specifiedWorked on web, desktop, and mobile applications using modern software engineering technologies. Contributed to product development and technical delivery in a professional services environment. ### Frontend Developer · Legal & General Dates not specifiedDeveloped frontend solutions for business applications. Contributed to web application delivery and frontend implementation work. ### Software Engineer · Turing Dates not specifiedWorked on software engineering tasks for distributed teams and client projects. Contributed across application development and technical problem solving. ### Lead Frontend Developer · Currency Transfer Dates not specifiedLed frontend development efforts for product initiatives. Helped guide implementation decisions and frontend architecture. ### Frontend Developer · Crave Food Services Dates not specifiedBuilt and maintained frontend application features. Contributed to web product development and UI implementation. ### Software Engineer · EITS IT Solutions Dates not specifiedWorked on software development projects across different application types. Contributed to implementation, maintenance, and delivery tasks. ### Web Developer · Bionica Advertising Dates not specifiedDeveloped web applications and digital solutions. Supported frontend and web development work for client and internal projects. ## Education Learning history ### UDC – Centro Universitário Dinâmica das Cataratas 2015 – 2015Bachelor’s Degree, Information Systems Bachelor’s degree in Information Systems. Dissertation: Traffic Analysis and Evaluation Using Traffic Simulation (SUMO). This professional hasn’t added portfolio projects yet. This professional hasn’t listed any services yet.