Einar Montalvo
EXPERTISE
BIO
Senior Full Stack Engineer | React | TypeScript | Python | Django
WORK EXPERIENCE
Senior Software Engineer
FullStack Labs
November 2022 - April 2025
• Architect and build the AI based Project Management System from the scratch by leveraging TypeScript, React.js, Django, ChatGPT, PostgreSQL, GraphQL and Azure Dev Ops • Enhance and maintain the features of Real Estate Management System with Next.js, Redux, ASP.NET, RESTful APIs and AWS • Implement and maintain highly scalable and robust microservices-based architecture and APIs using Django, REST framework, ASP.NET and ASP.NET Core Web API • Utilize authentication and authorization mechanisms like OAuth2 and JWT to secure APIs • Integrate third-party APIs into Django and .NET applications by leveraging external data sources • Design and construct relational databases with data schemas and models using PostgreSQL, Django ORM, Entity Framework, and Swagger • Utilized message brokers such as RabbitMQ and Apache Kafka to facilitate asynchronous communication between microservices, improving system resilience and scalability • Analyzed and monitored the performance of the existing systems using tools like Google Chrome DevTools, Lighthouse, and WebPageTest • Build reusable and scalable frontend UI components along with Unit Tests using React Functional Component, Redux Saga, React Hooks(Custom), MUI and Tailwind CSS • Follow the Test Driven Development with React Testing Library, Jest, Enzyme, Jasmine, and Cypress providing over 90% of testing coverage • Work on CI/CD pipeline utilizing Jenkins, CircleCI, Docker and Kubernetes • Provide the technical leadership and mentorship to the frontend team and junior developers • Participate in sprint planning and code review under Agile/Scrum Methology
Senior Full Stack Developer
Deloitte
May 2017 - October 2022
• Developed new features of B2B and customer projects using React, React Native, TypeScript, Redux Saga, Node.js, GraphQL, MongoDB, and AWS • Independently Develop, document, and enhance API endpoints using Node.js, MongoDB, Golang, PostgreSQL • Implemented service discovery and load balancing using tools like Kubernetes and Docker Swarm, optimizing resource utilization and enhancing application performance • Utilized libraries like React Router and React Query for the better performance in React applications • Created a pixel-perfect and responsive UI by Fluid Grids, Media Queries, and Mobile-First Approach from Figma • Utilize state management libraries like Redux, Context API, or MobX to manage the application's state • Provided the Unit Testing and E2E testing with React Testing Library, Mocha, Cypress and Jest • Worked on the cross functional team and collaborated with UI/UX designers, DevOps engineers, product manager and non-technical stakeholders for the project delivery
Software Engineer
Wipro
June 2014 - April 2017
• Worked on RunOn and Go2 projects simultaneously using React.js, Angular, JavaScript, TypeScript, Node.js, ASP.NET, RESTful API, and MongoDB • Conducted the migration of a monolithic application to a microservices-based architecture, improving system flexibility by using .NET, PostgreSQL, React.js and Redux • Developed comprehensive documentation for microservices architecture, including API specifications and deployment guidelines, to streamline onboarding for new developers • Collaborated with cross-functional teams to define microservice boundaries and establish best practices for API design, enhancing maintainability and clarity • Continuously enhanced new features and debugged & troubleshooted bugs by utilizing HTML5, CSS3, JavaScript and React.js under Agile/Scrum team based on 2 weeks sprints • Worked on CI/CD pipelines and followed best practices on Git actions for version control and project tracking on Jira
EDUCATION
Bachelor's Degree
University of Florida, April 2014
Computer Science
PORTFOLIO PROJECTS
Deal Support Ally Application
A deal-hunting ally that helps you find what you're looking for on eBay(React, TypeScript, Python, Django)
View Project3/1/2023 -6/1/2024
Online Front Application
Online front for a local lock-fitting business in the UK
View Project2/24/2024 -1/24/2025
Verified Full Stack Developer
8+ years of experience
Preferred commitment: Full Time
Languages
Skills
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