@lucascaixeta - Senior Fullstack Engineer

Senior Fullstack Engineer

Software Engineer

Available for hire

Years of experience

8+ years

Experience level

Senior

Available for

Full-time, Part-time

Available from

09 Jul 2026

Download Resume / CV

Senior Fullstack Engineer with 8+ years of experience building scalable web, mobile, and cloud-based applications using React, Java/Spring Boot, AWS, and modern frontend architectures. I specialized in designing high-impact digital products, cloud-native solutions, RESTful APIs, and data-intensive platforms for industries including Agritech, FinTech and Telecom.

I have a proven track record of designing performance-driven applications, implementing cloud integrations, and leading technical teams in Agile environments. Passionate about clean architecture, clean code, and building software that drives real business value.

Recent highlights: • Designed and implemented agro-monitoring and digital traceability modules, successfully adopted in 2+ Latin American markets, enabling scalable expansion and regulatory compliance. • Built automated reporting solutions, increasing client platform adoption and reducing manual workflows. • Developed interactive geospatial and geolocation-based dashboards, reducing manual analysis time and improving data accuracy. • Created offline-first mobile apps for field agents using React Native, enabling usage in remote conditions without connectivity. • Delivered PIX-based financial APIs in the banking sector, integrating secure transaction processing and compliance-ready architectures.

Technical Focus Areas: • Frontend: React, Redux, TypeScript, Vue.js, React Native, JavaScript (ES6+), HTML5, CSS3 • Backend: Java, Spring Boot, REST APIs, Microservices, Play Framework, Clean Code, Code Review • Cloud & DevOps: AWS (Lambda, S3, SQS), Docker, Jenkins, GitLab CI/CD • Architecture: Microservices, API Design, Offline-first, Event-driven, TDD, Domain-Driven Design (DDD) • Testing: Jest, Cypress, React Testing Library, JUnit, Mockito, Postman

I enjoy collaborating with cross-functional teams, mentoring developers, and transforming complex business requirements into user-centric, scalable solutions.Currently open to opportunities in Fullstack Engineering, Backend (Java), Frontend (React), and Cloud-based product development roles.Available for Remote opportunities in global teams.

Employment History

Senior Fullstack Software Engineer at Vega Monitoramento Current 2024 - Now

As Senior Fullstack Engineer, I architect and develop a cloud-based agro-monitoring and digital traceability platform used by grain trading companies across Latin America. I lead frontend, backend, and cloud integrations while mentoring engineers and aligning technical solutions with business goals. Key Achievements & Contributions: • Designed and built agro-monitoring and traceability modules, now adopted in 2+ Latin American markets, improving transparency and regulatory compliance. • Developed automated reporting system, increasing platform adoption and reducing manual processing efforts. • Implemented interactive geospatial dashboards (maps, location tracking) to reduce manual analysis time by 30%. • Built scalable Vue.js and Spring Boot applications with REST APIs and PostgreSQL, ensuring high performance and maintainability. • Led AWS integration using Lambda, S3, SQS, improving backend scalability and event-driven processing. • Mentored developers through code reviews, design sessions, and best-practice recommendations. Technologies: Java, Spring Boot, React, Vue.js, TypeScript, PostgreSQL, AWS (Lambda, S3, SQS), REST APIs, Agile/Scrum

Fullstack Software Engineer at Youx Group 2023 - 2024

Delivered fullstack solutions for the environmental compliance sector, focusing on the Rural Environmental Registry (CAR) platform, integrating geospatial mapping, frontend components, and complex environmental datasets. Key Highlights: • Built geospatial mapping features using Leaflet/OpenLayers to visualize rural property boundaries and environmental zones. • Implemented dynamic UI components for land registry, compliance validation, and document workflows using React/Vue.js. • Integrated frontend applications with Spring Boot REST APIs handling complex environmental and geospatial data. • Improved UI responsiveness and form processing performance using Redux and optimized API handling. • Actively mentored junior developers and maintained Agile delivery cadence. Technologies: Java, Spring Boot, Vue.js, React, TypeScript, PostgreSQL, Git, REST APIs, Agile

Technical Lead / Fullstack Engineer at DTI Digital 2020 - 2023

Built mission-critical systems for major financial and public institutions, including PIX payment APIs and offline-first mobile apps for large-scale field operations. Key Contributions: • Engineered PIX transaction APIs using Java Spring Boot for secure financial operations. • Developed React Native mobile apps with offline-first capabilities for field agents and government users. • Modernized frontend codebases with React and TypeScript conversion, improving maintainability and speed. • Led implementation of CI/CD pipelines with Jenkins and GitLab CI to improve delivery scalability. • Designed test protocols using JUnit, Jest, and Cypress, covering up to 80% of application workflows. Technologies: Java, Spring Boot, React, React Native, TypeScript, PostgreSQL, Docker, Jenkins, GitLab CI/CD

Fullstack Software Developer at GT Consultoria em Tecnologia 2019 - 2020

Developed digital solutions for Civil Defense and State Parks, combining APIs, mobile apps, and interactive UI dashboards. Key Projects: Civil Defense Alert Platform – Served municipalities in Rio Grande do Sul • Built REST APIs with Java Spring/Play Framework • Developed React dashboards for crisis monitoring and donation management State Parks Mobile App • Created React Native app with offline support and interactive maps • Integrated weather, geolocation, and third-party APIs Technologies: Java, React, Spring Boot, Play Framework, PostgreSQL, React Native, REST APIs, Vue.js Developed digital solutions for Civil Defense and State Parks, combining APIs, mobile apps, and interactive UI dashboards. Key Projects: Civil Defense Alert Platform – Served municipalities in Rio Grande do Sul • Built REST APIs with Java Spring/Play Framework • Developed React dashboards for crisis monitoring and donation management State Parks Mobile App • Created React Native app with offline support and interactive maps • Integrated weather, geolocation, and third-party APIs Technologies: Java, React, Spring Boot, Play Framework, PostgreSQL, React Native, REST APIs, Vue.js Skills: Cascading Style Sheets (CSS) · Spring Boot · Manual Testing · Front-End Development · Interface de programação de aplicativos (API) · Agile Development · Object-Oriented Programming (OOP) · Teamwork · Databases · Full-Stack Development · HTML · SQL · REST APIs

System Specialist | Backend Developer at Instituto Nacional de Telecomunicações - Inatel 2017 - 2018

Worked on Ericsson’s global telecom platform, contributing to API development, testing, and automation in cross-border Agile teams. Highlights: • Built and maintained RESTful APIs in Java for telecom services. • Developed Test automation using JUnit, Postman, and Mockito. • Collaborated with international teams in daily SCRUM ceremonies and code reviews. Technologies: Java, JavaScript, REST APIs, Postman, JUnit, SQL, SCRUM/Agile Worked on Ericsson’s global telecom platform, contributing to API development, testing, and automation in cross-border Agile teams. Highlights: • Built and maintained RESTful APIs in Java for telecom services. • Developed Test automation using JUnit, Postman, and Mockito. • Collaborated with international teams in daily SCRUM ceremonies and code reviews. Technologies: Java, JavaScript, REST APIs, Postman, JUnit, SQL, SCRUM/Agile Skills: Java · JavaScript · Unit Testing · Communication · Interface de programação de aplicativos (API) · Object-Oriented Programming (OOP) · Teamwork · Databases · HTML · SQL · REST APIs · Oracle DatabaseSkills: Java · JavaScript · Unit Testing · Communication · Interface de programação de aplicativos (API) · Object-Oriented Programming (OOP) · Teamwork · Databases · HTML · SQL · REST APIs · Oracle Database

Education

Bachelor's Degree, Information Systems at Universidade Federal de Lavras 2012 - 2017

Senior Fullstack Engineer

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