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I am a dynamic and innovative Full-Stack Engineer with 10 years of experience specializing in developing high-performing web applications using modern technologies such as React, Next.js, TypeScript, Node.js, Ruby on Rails, and more. I have a strong foundation in both front-end and back-end development, with expertise in database management, agile team leadership, and implementing robust testing frameworks to ensure top-quality code. Over the years, I have consistently enhanced application performance and user experience while successfully leading engineering teams. My passion lies in building scalable and maintainable software solutions, integrating cloud services, and optimizing workflows to deliver exceptional products that meet business goals.…I am a dynamic and innovative Full-Stack Engineer with 10 years of experience specializing in developing high-performing web applications using modern technologies such as React, Next.js, TypeScript, Node.js, Ruby on Rails, and more. I have a strong foundation in both front-end and back-end development, with expertise in database management, agile team leadership, and implementing robust testing frameworks to ensure top-quality code. Over the years, I have consistently enhanced application performance and user experience while successfully leading engineering teams. My passion lies in building scalable and maintainable software solutions, integrating cloud services, and optimizing workflows to deliver exceptional products that meet business goals.

Sergio Echeverri

Full Stack Developer, Developer, Programmer, +4

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I am a dynamic and innovative Full-Stack Engineer with 10 years of experience specializing in developing high-performing web applications using modern technologies such as React, Next.js, TypeScript, Node.js, Ruby on Rails, and more. I have a strong foundation in both front-end and back-end development, with expertise in database management, agile team leadership, and implementing robust testing frameworks to ensure top-quality code. Over the years, I have consistently enhanced application performance and user experience while successfully leading engineering teams. My passion lies in building scalable and maintainable software solutions, integrating cloud services, and optimizing workflows to deliver exceptional products that meet business goals.…I am a dynamic and innovative Full-Stack Engineer with 10 years of experience specializing in developing high-performing web applications using modern technologies such as React, Next.js, TypeScript, Node.js, Ruby on Rails, and more. I have a strong foundation in both front-end and back-end development, with expertise in database management, agile team leadership, and implementing robust testing frameworks to ensure top-quality code. Over the years, I have consistently enhanced application performance and user experience while successfully leading engineering teams. My passion lies in building scalable and maintainable software solutions, integrating cloud services, and optimizing workflows to deliver exceptional products that meet business goals.

Available to hire

I am a dynamic and innovative Full-Stack Engineer with 10 years of experience specializing in developing high-performing web applications using modern technologies such as React, Next.js, TypeScript, Node.js, Ruby on Rails, and more. I have a strong foundation in both front-end and back-end development, with expertise in database management, agile team leadership, and implementing robust testing frameworks to ensure top-quality code.

Over the years, I have consistently enhanced application performance and user experience while successfully leading engineering teams. My passion lies in building scalable and maintainable software solutions, integrating cloud services, and optimizing workflows to deliver exceptional products that meet business goals.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Senior Full Stack Engineer at Hawkeye Consulting

May 1, 2022 - Present

Led innovative development efforts using React, Next.js, TypeScript, and Ruby on Rails, improving user experience by 25% and application performance by 15%. Implemented Cypress-based testing frameworks reducing bugs by 40% and accelerating development cycles by 50%. Optimized front-end and back-end performance to reduce load times by 35%. Migrated and managed MySQL and PostgreSQL databases for efficient data handling. Developed and integrated RESTful and SOAP APIs enhancing application connectivity. Directed cloud cost optimization initiatives leading to significant cost savings. Designed a scalable data analytics platform using Ruby on Rails integrated with AWS services. Ensured code quality through comprehensive RSpec and Capybara testing, reducing bug rates by 30%.

Full Stack Developer at Web Development Company

December 1, 2021 - September 2, 2025

Developed full-stack web applications using Ruby on Rails and PostgreSQL with Redis caching, improving response time by 50%. Architected and deployed Kubernetes microservices for scalable high-traffic systems. Maintained frontend apps with React, Redux, and Styled-Components optimizing performance and compatibility. Redesigned customer interfaces increasing user engagement by 30%. Led adoption of Ruby on Rails backend development improving stability and performance. Initiated cloud cost optimization saving 20%. Applied extensive testing strategies with RSpec and Jest, enhancing code quality. Managed complex PostgreSQL schemas using ActiveRecord for scalability and data integrity.

Web Developer at Weil&Jones

January 1, 2019 - September 2, 2025

Implemented front-end projects using React, Next.js, and TypeScript enhancing user experience and increasing revenue by 3%. Improved project delivery timelines with Agile methodologies. Led code reviews enforcing standards achieving 75% test coverage and halving release cycle times via CI/CD pipelines. Optimized SQL database operations improving data retrieval times by 30%. Enhanced UI contributing to a 40% increase in engagement and 35% higher conversion rates. Developed Ruby on Rails applications with RESTful APIs and MVC architecture. Coordinated cloud resource use reducing costs by 20%. Fostered team collaboration and productivity improving project quality by 50%.

Senior Full Stack Engineer at Hawkeye Consulting

May 1, 2022 - Present

Engineered innovative solutions using React, Next.js, TypeScript, and Ruby on Rails, leading to improvements in user experience by 25% and application performance by 15%. Implemented automated testing frameworks with Cypress reducing bug rates by 40%. Enhanced team collaboration through Agile methodologies, delivering high-quality software and faster development cycles. Led optimization of frontend and backend performance, improving load times by 35% and application responsiveness by 25%. Managed databases including MySQL and PostgreSQL, developed RESTful and SOAP APIs, and directed cloud cost optimization efforts producing significant savings. Designed a scalable data analytics platform integrated with AWS cloud services and implemented comprehensive testing with RSpec and Capybara to maintain code quality.

Full Stack Developer at Web Development Company

December 31, 2021 - September 2, 2025

Developed full-stack web applications with Ruby on Rails, PostgreSQL, and Redis to enhance response times by 50%. Architected and deployed microservices using Ruby on Rails and Kubernetes, improving reliability and load management. Mastered frontend technologies like React, Redux, and Styled-Components to optimize performance and compatibility. Led frontend redesigns to increase user engagement by 30%. Fostered Ruby on Rails adoption improving stability and testing rigor. Initiated cloud cost optimization to reduce expenses by 20%. Executed comprehensive testing strategies with RSpec and Jest and managed complex PostgreSQL database schemas for scalability.

Web Developer at Weil&Jones

January 31, 2019 - September 2, 2025

Implemented frontend projects using React, Next.js, and TypeScript, improving user experience and boosting revenue by 3%. Collaborated with project managers to improve delivery timelines through Agile methodologies. Led code review processes achieving 75% test coverage and accelerated release cycles by 50% through CI/CD pipelines. Optimized database operations improving data retrieval times by 30%. Enhanced user interfaces to raise engagement by 40% and conversion rates by 35%. Developed and maintained Ruby on Rails applications with RESTful APIs and MVC architecture. Optimized cloud resource use reducing spending by 20%. Participated actively in sprint planning and retrospectives improving team productivity by 30% and project quality by 50%.

Senior Full Stack Engineer at Hawkeye Consulting

May 1, 2022 - Present

Engineered innovative solutions using React, Next.js, TypeScript, and Ruby on Rails leading to improvements in user experience and application performance. Implemented automated testing frameworks with Cypress, improving reliability and reducing bug rates while accelerating development cycles through CI/CD. Led Agile teams to enhance cross-functional collaboration and timely delivery of software. Optimized frontend and backend performance achieving faster load times and responsiveness. Managed MySQL and PostgreSQL databases for efficient data processes. Developed and integrated RESTful and SOAP APIs expanding service offerings. Directed cloud cost optimization efforts resulting in significant savings. Designed a Ruby on Rails data analytics platform integrated with AWS services for scalable real-time analytics. Employed RSpec and Capybara for comprehensive testing, reducing bugs and ensuring high code quality.

Full Stack Developer at Web Development Company

December 1, 2021 - September 2, 2025

Developed full-stack web applications using Ruby on Rails with PostgreSQL and Redis caching to enhance response times and data efficiency. Architected and deployed scalable microservices with Kubernetes improving system reliability. Mastered React and Redux for complex frontend development ensuring performance across devices. Redesigned customer interfaces enhancing engagement through optimized algorithms. Led backend Ruby on Rails adoption improving stability and performance via rigorous testing. Initiated cloud cost optimization reducing expenses by 20%. Created testing strategies using RSpec and Jest to maintain high-quality code. Maintained scalable database schemas ensuring data integrity.

Web Developer at Weil&Jones

January 1, 2019 - September 2, 2025

Implemented front-end projects with React, Next.js, and TypeScript to improve user experience and application performance contributing to revenue growth. Collaborated using Agile to enhance project delivery timelines and efficiency. Spearheaded code reviews and enforced coding standards resulting in high test coverage and accelerated release cycles through CI/CD. Optimized database operations enhancing data retrieval and supporting strategic insights. Improved user interfaces boosting engagement and conversion rates. Maintained Ruby on Rails applications with MVC architecture integrating RESTful APIs for scalable solutions. Optimized cloud resources reducing spending and fostering cost management. Actively participated in sprint planning and retrospectives enhancing team productivity and project quality.

Senior Full Stack Engineer at Hawkeye Consulting

May 1, 2022 - Present

Led the engineering of innovative solutions using React, Next.js, TypeScript, and Ruby on Rails, improving user experience by 25% and application performance by 15%. Implemented automated testing frameworks with Cypress, reducing bug rates by 40% and accelerating development cycles by 50% through CI/CD. Enhanced team collaboration with Agile methodologies, optimized frontend and backend performance for faster load times and responsiveness, and managed database migration and operations using MySQL and PostgreSQL. Developed RESTful and SOAP APIs and led cloud cost optimization efforts. Designed a scalable data analytics platform leveraging AWS services and implemented comprehensive testing frameworks using RSpec and Capybara.

Full Stack Developer at Web Development Company

December 1, 2021 - September 2, 2025

Developed full-stack web applications using Ruby on Rails with PostgreSQL and Redis caching, improving response times by 50%. Architected microservices on Kubernetes, enhancing system reliability and scalability. Mastered frontend tools including React, Redux, and Styled-Components, leading interface redesigns that increased user engagement by 30%. Led backend development adoption of Ruby on Rails, improving stability and performance via rigorous testing. Initiated cloud cost optimization cutting expenses by 20%, designed and executed testing strategies with RSpec and Jest, and managed complex database schemas with ActiveRecord to ensure data integrity and scalability.

Web Developer at Weil&Jones

January 1, 2019 - September 2, 2025

Implemented front-end projects with React, Next.js, and TypeScript, enhancing user experience and increasing revenue by 3%. Improved project delivery by collaborating with project managers under Agile methodologies. Led code review processes to achieve 75% test coverage and shorten release cycles by 50% through CI/CD. Optimized database operations with SQL improving data retrieval by 30%. Enhanced user interfaces resulting in 40% increased engagement and 35% higher conversion rates. Developed Ruby on Rails applications with RESTful APIs and MVC architecture. Optimized cloud resource utilization reducing costs by 20%, and actively participated in sprint planning and retrospectives, raising team productivity by 30% and project quality by 50%.