Stack Developer Software Engineer

Marcio Ventura (Senior Full Stack Developer)

** ***** ******, *********, **(Connecticut) 06825, United States

linkedin.com/in/marcio-ventura-engineer *****************@*****.*** 760-***-****

SUMMARY

Senior Full Stack Software Engineer with 10 years of experience specializing in both frontend and backend development, DevOps, and cloud-based solutions. Proficient in a wide array of technology stacks, including modern Javascript libraries like React and Node.js, Ruby on Rails, Java Spring Boot, and Python Django/Flask, with expertise in designing scalable, resilient web applications and microservices. Demonstrated success in leveraging cloud services such as AWS, GCP, and Azure, alongside containerization with Docker and Kubernetes. A proven leader in Agile development, delivering high-performance applications and enhancing business outcomes through optimized solutions.

EXPERIENCE

Senior Full Stack Developer

ElectroNeek (Full-time, Remote) Austin, TX Feb 2021 - Mar 2024

Designed and implemented microservices-based architecture for a highly scalable booking system, utilizing Node.js and .NET Core on the backend, with a React frontend, improving the system's scalability by 40% and reducing server response times by 60%.

Developed RESTful APIs in Express and NestJS to handle over 100,000 concurrent requests, reducing API response time by 35% and improving system reliability by 25%.

Integrated MongoDB and PostgreSQL databases, optimizing indexing strategies and query performance to reduce data retrieval times by 40%.

Led the migration from a monolithic system to microservices using Docker and Kubernetes, reducing infrastructure costs by 20% and increasing system uptime by 99.9%.

Implemented WebSocket for real-time notifications and live data updates, improving user engagement and satisfaction by providing up-to-date information instantly.

Automated CI/CD pipelines with Jenkins, Git, and Docker, reducing deployment time by 70% and streamlining the release process.

Integrated Redis caching for high-demand endpoints, improving system responsiveness by 30% and reducing load on databases.

Optimized application performance by conducting load testing with Jest, Mocha, and Cypress, ensuring applications could handle traffic spikes of up to 500,000 users without performance degradation.

Managed cloud infrastructure on AWS and Google Cloud Platform (GCP), including configuring auto-scaling and load balancing, reducing downtime by 15%.

Developed new user features using React, Redux, and Next.js, improving page load times by 40% and increasing conversion rates by 25%.

Led the adoption of Agile/Scrum methodologies, resulting in a 30% increase in team productivity and a 20% improvement in the delivery time of key features.

Collaborated closely with design and UX teams to implement an accessible and mobile-friendly UI, ensuring ADA compliance and improving the user experience by 35%.

Established error monitoring with APM tools, reducing critical bugs in production by 50% and increasing the system's overall reliability.

Mentored 5 junior engineers, establishing a clear code review process and improving team code quality, reducing technical debt by 25%.

Full Stack Developer

Moofwd Inc. (Contract, Hybrid) Princeton, NJ Sep 2017 - Dec 2020

Developed a B2B SaaS platform using Ruby on Rails and React, which provided a seamless user experience for over 10,000 active monthly users and increased client retention by 30%.

Led the development of highly interactive features with Vue.js and D3.js, enhancing user data visualization and increasing user engagement by 40%.

Built and maintained RESTful APIs using Spring Boot and Java, ensuring secure and efficient communication between the frontend and backend systems, reducing API errors by 15%.

Implemented microservices using Docker and Kubernetes, ensuring smooth deployments and reducing system downtime by 20%.

Integrated Kafka for event-driven architecture, enhancing data processing speed and scalability for real-time analytics, reducing processing delays by 40%.

Automated testing using Jest and Cypress, leading to a 50% reduction in post-release defects and a 30% improvement in test coverage.

Utilized SQL Server and MongoDB for efficient data storage, ensuring fast data retrieval and consistency across microservices.

Architected a cloud-native application on AWS, enabling auto-scaling and resource optimization, which led to a 25% reduction in monthly cloud costs.

Enhanced system security with JWT-based authentication and role-based access control, ensuring secure access for over 5000 users.

Used Agile/Scrum frameworks to facilitate daily standups, sprint planning, and retrospectives, resulting in a 20% increase in team delivery speed.

Collaborated with design and backend teams to enhance the SEO of the platform, which led to a 15% increase in organic traffic.

Refactored legacy code in PHP to modernize the system architecture, resulting in a 30% improvement in processing efficiency.

Integrated Firebase for real-time data updates, allowing users to receive instant notifications and updates without refreshing the page.

Implemented API rate-limiting and load balancing strategies, increasing system availability and reducing API downtime by 25%.

Junior Full Stack Developer

iceDQ (Full-time, Onsite) Stamford, CT Jun 2014 - Apr 2017

Developed a custom CRM solution using Python Django and Vue.js, improving customer relationship management processes and reducing manual work by 40%.

Spearheaded the migration of backend services to Node.js and Express, reducing the system’s response time by 50%.

Designed and implemented real-time communication features using WebSockets, leading to a 35% improvement in customer service response time.

Built scalable APIs with Ruby on Rails to support a growing customer base of over 50,000 users, enhancing API reliability by 20%.

Deployed applications on Google Cloud Platform (GCP) and AWS, utilizing Kubernetes clusters to manage containerized applications, improving scalability and reducing cloud costs by 30%.

Implemented comprehensive testing using Mocha, Jest, and Cypress, reducing bugs and enhancing code stability by 25%.

Integrated MongoDB for the storage of user-generated content and enhanced search functionality with Elasticsearch, improving search speed by 45%.

Led the transition to DevOps practices, setting up CI/CD pipelines in Jenkins and GitLab, resulting in a 60% reduction in release cycle time.

Configured Docker containers for local development environments, ensuring consistency across multiple teams and reducing onboarding time for new developers by 50%.

Worked with cross-functional teams to ensure the application was SEO-optimized, leading to a 30% increase in site visibility on search engines.

Implemented unit testing and end-to-end testing with Cypress, improving overall system stability and reducing critical post-release defects by 20%.

Worked closely with clients to gather requirements and provided ongoing support and updates, achieving a customer satisfaction rate of 90%.

Collaborated with other developers in using Agile methodologies, increasing project delivery time by 25%.

EDUCATION

Bachelor of Science in Computer Science

Sacred Heart University, Fairfield, CT ( Aug 20010 - May 2014 )

GPA: 3.6/4.0

Relevant coursework: Algorithms, Machine Learning, Cloud Computing, Databases

Developed proficiency in Python, Java, and SQL through coursework and projects.

Completed a capstone project on developing a machine-learning model for predictive analysis.

Participated in a semester-long internship, gaining real-world experience.

SKILLS

- Frontend: React, Next.js, Vue.js, Nuxt.js, Angular, D3.js, Redux, HTML, CSS, JavaScript, TypeScript

- Backend: Go, Node.js, NestJS, Express, C#, .NET Core, ASP.NET, Java, Spring Boot, Python, Django, Flask, PHP, Laravel, Ruby on Rails, RESTful APIs

- Database: SQL, SQL Server, MySQL, MongoDB, PostgreSQL, Firebase, RDBMS, NoSQL

- DevOps / Cloud: Docker, Kubernetes, Git, Jenkins, AWS, GCP, Heroku, Azure

- Tools / Technologies: Agile/Scrum, Jest, Cypress, Mocha, TDD, Unit Testing, CI/CD, JWT, APM, SEO

SOFT SKILLS

Attention to detail, Project Management Skill, Problem Solving Skill, Continuous learning, Time Management Skill, Remote work emphasis, Organizational Skills

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