Available to hire
Hi, I’m Yoel Negasi, a Senior Full Stack Software Engineer with 8+ years of experience building scalable web applications and enterprise platforms. I specialize in React.js, Next.js, Node.js, NestJS, and TypeScript, designing microservices, GraphQL and REST APIs, and cloud-native apps deployed on AWS and Kubernetes.
I have a proven track record of improving system performance, automating developer workflows, and delivering reliable internal platforms used across large organizations. I enjoy collaborating with cross-functional teams to drive measurable outcomes and continually improve engineering processes.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Senior Software Engineer at Home Depot
May 31, 2025 - July 18, 2025Designed and developed an enterprise-level platform to improve operational efficiency for Home Depot employees. Migrated a legacy task management system to a modern React-based platform, enhancing performance and usability. Built reusable UI components using Material UI, improving design consistency and development efficiency. Managed application state using Redux, ensuring real-time task updates. Developed a scalable backend using Node.js, Express, and GraphQL, improving data handling efficiency. Optimized Google Cloud Spanner DB schemas, enhancing database performance and storage solutions. Conducted usability testing to refine features based on user feedback and improve overall productivity. Led end-to-end software development lifecycle implementation, ensuring scalability and maintainability. Implemented GitHub Actions to automate CI/CD workflows, streamlining deployment and testing processes.
Full Stack Engineer at Ergonomic Group
July 31, 2023 - July 18, 2025Developed a customizable web application suite for business, IT, and financial management needs. Designed and implemented a supply chain management platform using React, Next.js, and TypeScript. Built visually appealing, responsive interfaces with Material UI to enhance user engagement. Managed state handling using Redux and Easy-Peasy for real-time data synchronization. Developed RESTful APIs with Node.js, NestJS and integrated PostgreSQL for efficient data storage and retrieval. Conducted data migration, ensuring a smooth transition during system updates. Implemented role-based access control (RBAC) to enhance security and compliance. Documented API endpoints and best practices, improving development efficiency and system maintainability. Integrated GitHub Actions to automate build, test, and deployment workflows, improving development efficiency.
Software Engineer at Co-Bounce Company
August 31, 2022 - July 18, 2025Built and maintained web applications for insurance, tourism, and educational industries. Developed RESTful services to support scalable web applications. Collaborated with cross-functional teams using Agile methodology for iterative software development. Created a standalone authentication system using React, Redux, and Node.js. Designed responsive user interfaces with HTML5, CSS3, and JavaScript, ensuring cross-browser compatibility. Developed and maintained backend APIs using Node.js, NestJS, and Express. Wrote unit tests and automated regression tests to ensure software quality and reliability. Debugged and optimized asynchronous API calls using AJAX and JSON.
Full Stack JavaScript Developer at Liya Enterprise Company
September 30, 2019 - July 18, 2025Developed single-page applications (SPAs) and optimized system performance. Designed and implemented frontend components using React, Next.js, and Angular. Built backend services using Node.js, NestJS, Express.js, and MongoDB. Conducted system debugging and performance optimization to enhance application speed. Adopted Agile methodologies, participating in daily stand-ups and sprint planning. Ensured cross-browser compatibility and responsive design for diverse user accessibility. Integrated authentication and authorization mechanisms for secure access control.
Senior Software Engineer at Home Depot
May 31, 2025 - July 18, 2025Designed and developed an enterprise-level platform to improve operational efficiency for Home Depot employees. Migrated legacy task management system to a modern React-based platform enhancing performance and usability. Built reusable UI components with Material UI and managed state using Redux for real-time updates. Developed scalable backend with Node.js, Express, and GraphQL, optimized Google Cloud Spanner DB schemas, conducted usability testing, and led full software development lifecycle implementation. Automated CI/CD workflows using GitHub Actions to streamline deployments.
Full Stack Engineer at Ergonomic Group
July 31, 2023 - July 18, 2025Developed a customizable web application suite for business, IT, and financial management. Designed supply chain management platform using React, Next.js, and TypeScript. Built responsive UI with Material UI and managed state with Redux and Easy-Peasy. Developed RESTful APIs with Node.js, NestJS, integrated PostgreSQL, conducted data migration, implemented role-based access control, documented APIs, and automated build, test, and deployment workflows using GitHub Actions.
Software Engineer at Co-Bounce Company
August 31, 2022 - July 18, 2025Built and maintained web applications for insurance, tourism, and educational industries. Developed RESTful services to support scalable applications, collaborated with cross-functional teams using Agile. Created standalone authentication system using React, Redux, and Node.js. Designed responsive UIs with HTML5, CSS3, and JavaScript. Developed backend APIs using Node.js, NestJS, and Express. Wrote unit and regression tests, debugged and optimized asynchronous API calls.
Full Stack JavaScript Developer at Liya Enterprise Company
September 30, 2019 - July 18, 2025Developed single-page applications and optimized system performance using React, Next.js, Angular for frontend and Node.js, NestJS, Express, MongoDB for backend. Conducted system debugging and performance optimization, participated in Agile practices including stand-ups and sprint planning, ensured cross-browser compatibility and responsive design, integrated authentication and authorization mechanisms for secure access.
Senior Software Engineer at Home Depot
May 31, 2025 - July 18, 2025Engineered an enterprise-level platform using Node.js, Express, and GraphQL to enhance operational efficiency and support scalable integrations for partner systems. Migrated a legacy task management system to a modern React-based platform, improving performance and usability. Developed reusable UI components with Material UI, managed application state with Redux, optimized backend and database performance with Google Cloud Spanner, implemented CI/CD workflows using GitHub Actions, and conducted usability testing to enhance features based on user feedback.
Full Stack Engineer at Ergonomic Group
July 31, 2023 - July 18, 2025Designed and implemented a customizable web application suite using React, Next.js, and TypeScript for scalable referral integration solutions. Developed supply chain management platform supporting robust data ingestion and scheduling workflows. Built responsive interfaces with Material UI and managed state with Redux for real-time synchronization. Established RESTful APIs using Node.js and NestJS integrated with PostgreSQL, implemented role-based access control for security and compliance, and leveraged GitHub Actions to automate build, test, and deployment workflows.
Software Engineer at Co-Bounce Company
August 31, 2022 - July 18, 2025Built and maintained web applications for insurance, tourism, and educational industries. Developed RESTful services to support scalable web applications, collaborated with cross-functional teams using Agile methodology, created standalone authentication system using React, Redux, and Node.js, designed responsive user interfaces with HTML5, CSS3, and JavaScript, maintained backend APIs using Node.js, NestJS, and Express, wrote unit and automated regression tests, and optimized asynchronous API calls.
Full Stack JavaScript Developer at Liya Enterprise Company
September 30, 2019 - July 18, 2025Developed single-page applications and optimized system performance. Designed frontend components using React, Next.js, and Angular, built backend services with Node.js, NestJS, Express.js, and MongoDB. Conducted system debugging and performance optimization, adopted Agile methodologies, ensured cross-browser compatibility and responsive design, and integrated authentication and authorization mechanisms for secure access control.
Software Engineer at Optum (UnitedHealth Group)
July 1, 2024 - PresentDeveloping enterprise-scale software solutions to support internal technology governance, process automation, and lifecycle management initiatives. Designed and implemented full-stack applications using NestJS, NextJS, TypeScript, and Prisma to improve data visibility and operational efficiency. Built scalable modular microservices aligned with Azure enterprise architecture and integrated automated pipelines with GitHub Actions for policy compliance. Collaborated with various teams to deliver secure and maintainable systems and contributed to infrastructure migration from RHEL 8 to RHEL 9.
Software Engineer at Home Depot
July 1, 2024 - August 1, 2025Engineered an enterprise platform using Node.js, Express, and GraphQL to enhance operational efficiency and support scalable integrations. Migrated a legacy task management system to a modern React-based platform with reusable UI components using Material UI. Managed application state with Redux to facilitate real-time updates and optimized backend and database performance on Google Cloud Spanner. Automated CI/CD workflows with GitHub Actions and conducted usability testing to improve user experience.
Full Stack Engineer at Ergonomic Group
July 1, 2023 - August 1, 2025Designed and implemented a customizable web application suite with React, Next.js, and TypeScript for scalable referral integration solutions. Developed supply chain management platforms supporting data ingestion and scheduling workflows. Created responsive user interfaces using Material UI and managed real-time state handling with Redux. Established RESTful APIs using Node.js, NestJS, and PostgreSQL with role-based access control for secure data exchange. Leveraged GitHub Actions to automate build, test, and deployment workflows.
Software Engineer at Co-Bounce Company
August 31, 2022 - August 1, 2025Built and maintained web applications across insurance, tourism, and educational industries. Developed RESTful services, collaborated using Agile methodology, and created standalone authentication systems. Designed responsive UIs with HTML5, CSS3, and JavaScript, and maintained backend APIs with Node.js, NestJS, and Express. Ensured software quality with unit and regression tests and optimized asynchronous API calls.
Full Stack JavaScript Developer at Liya Enterprise Company
September 30, 2019 - August 1, 2025Developed single-page applications using React, Next.js, and Angular, optimized system performance, and built backend services with Node.js, NestJS, Express.js, and MongoDB. Conducted system debugging and performance optimization, participated in Agile processes, ensured cross-browser compatibility, responsive design, and integrated authentication and authorization mechanisms for secure access.
Software Engineer at Optum (UnitedHealth Group)
July 1, 2024 - PresentDeveloped enterprise-scale software solutions to support internal technology governance, process automation, and lifecycle management initiatives. Designed and implemented full-stack applications using NestJS, NextJS, TypeScript, and Prisma, improving data visibility and operational efficiency across business units. Built and scaled modular microservices aligned with Azure enterprise architecture for seamless compliance workflows integration. Created intelligent automation pipelines with GitHub Actions to enforce policy compliance and automate governance tasks. Contributed to infrastructure migration efforts, ensuring smooth database compatibility and application continuity during RHEL 8 to RHEL 9 transition. Collaborated with engineering leads, product managers, and compliance teams to deliver secure, maintainable, and extensible systems.
Software Engineer at Home Depot
July 1, 2024 - August 5, 2025Engineered an enterprise-level platform using Node.js, Express, and GraphQL to enhance operational efficiency and support scalable integrations for partner systems. Migrated a legacy task management system to a modern React-based platform to improve performance and usability. Developed reusable UI components with Material UI ensuring consistency and better user interfaces. Managed application state with Redux for real-time updates and tooling reliability. Optimized backend and database performance by refining Google Cloud Spanner DB schemas. Implemented GitHub Actions to automate CI/CD workflows for streamlined deployments. Conducted usability testing to adapt features based on user feedback in a dynamic environment.
Full Stack Engineer at Ergonomic Group
July 1, 2023 - August 5, 2025Designed and implemented a customizable web application suite using React, Next.js, and TypeScript to contribute scalable referral integration solutions. Developed a supply chain management platform supporting reliable data ingestion and scheduling workflows. Built responsive interfaces with Material UI for polished user experiences. Managed state with Redux enabling real-time data synchronization to assist partner and marketing teams. Established RESTful APIs with Node.js, NestJS, and PostgreSQL for secure, high-performance data exchange. Implemented role-based access control (RBAC) to enhance security and compliance. Leveraged GitHub Actions for automating build, test, and deployment workflows.
Software Engineer at Co-Bounce Company
August 31, 2022 - August 5, 2025Built and maintained web applications in the insurance, tourism, and educational sectors. Developed RESTful services improving system performance and reliability. Collaborated on Agile teams for iterative software development. Created standalone authentication systems using React, Redux, and Node.js. Designed responsive user interfaces with HTML5, CSS3, and JavaScript ensuring cross-browser compatibility. Developed and maintained backend APIs using Node.js, NestJS, and Express. Wrote unit and automated regression tests to maintain software quality. Debugged and optimized asynchronous API calls using AJAX and JSON.
Full Stack JavaScript Developer at Liya Enterprise Company
September 30, 2019 - August 5, 2025Developed single-page applications using React, Next.js, and Angular. Built backend services with Node.js, NestJS, Express.js, and MongoDB. Conducted system debugging and performance tuning. Participated in Agile ceremonies including daily stand-ups and sprint planning. Ensured cross-browser compatibility and responsive design for diverse users. Integrated authentication and authorization mechanisms for secure access control.
Software Engineer at Optum (UnitedHealth Group)
August 31, 2025 - August 21, 2025Developed enterprise-scale software solutions supporting internal governance, process automation, and lifecycle management. Designed and implemented full-stack applications using NestJS, Next.js, TypeScript, and Prisma, which improved data visibility and operational efficiency. Built modular microservices aligned with Azure enterprise architecture to integrate compliance workflows and SDLC phases. Designed automation pipelines using GitHub Actions to enforce policy compliance and automate governance tasks. Participated in infrastructure migrations including RHEL 8 to RHEL 9 transitions and collaborated with cross-functional teams to deliver secure and extensible systems.
Software Engineer at Home Depot
July 31, 2024 - August 21, 2025Engineered an enterprise platform using Node.js, Express, and GraphQL to enhance operational efficiency and support integrations. Migrated legacy task management system to a modern React-based platform improving performance and usability. Developed reusable UI components with Material UI and managed application state with Redux for real-time updates. Designed and optimized databases on Google Cloud Platform, built and maintained CI/CD pipelines with GitHub Actions integrated with GCP services, and implemented monitoring with Google Cloud Operations to improve system reliability and reduce downtime.
Full Stack Engineer at Ergonomic Group
July 31, 2023 - August 21, 2025Designed and implemented a customizable web application suite using React, Next.js, and TypeScript focused on scalable referral integration solutions. Developed supply chain management platform supporting reliable data ingestion and scheduling workflows. Built responsive interfaces with Material UI and managed state with Redux for real-time data synchronization. Established RESTful APIs using Node.js and NestJS with PostgreSQL ensuring secure high-performance data exchange. Implemented role-based access control to enhance security and leveraged GitHub Actions for CI/CD automation, improving development efficiency.
Software Engineer at Co-Bounce Company
August 31, 2022 - August 21, 2025Built and maintained web applications across insurance, tourism, and educational industries. Developed RESTful services to enhance performance and reliability. Collaborated with cross-functional teams in Agile environments. Created standalone authentication system using React, Redux, and Node.js. Designed responsive user interfaces ensuring cross-browser compatibility and built backend APIs using Node.js, NestJS, and Express. Performed unit and automated regression testing and optimized asynchronous API calls.
Full Stack JavaScript Developer at Liya Enterprise Company
September 30, 2019 - August 21, 2025Developed single-page applications and optimized system performance. Designed frontend components with React, Next.js, and Angular. Built backend services with Node.js, NestJS, Express.js, and MongoDB. Performed debugging and performance tuning. Participated in Agile methodologies and ensured cross-browser compatibility and responsive designs. Integrated authentication and authorization mechanisms for secure access control.
Software Engineer at Pacific Gas and Electric (PG&E)
September 1, 2025 - PresentDeveloped a drone-based asset inspection platform used by inspectors to analyze transmission and distribution infrastructure using high-resolution imagery. Built interactive image inspection tools with React and TypeScript (zoom, pan, crop, tagging, and defect annotation) and designed backend services with Node.js and PostgreSQL to manage inspection workflows and ensure transactional data consistency. Implemented RBAC and multi-stage approval workflows, built secure image storage and delivery pipelines using AWS S3, and deployed containerized services with Docker and Kubernetes in AWS environments. Designed scalable backend workflows to process large volumes of high-resolution imagery across distributed storage systems.
Software Engineer at The Home Depot
July 1, 2023 - July 1, 2024Migrated legacy task management systems to modern React.js and Node.js architecture, improving task load performance; developed reusable UI components with Material UI; managed application state with Redux for reliable real-time workflows; designed and optimized databases on Google Cloud Platform (Cloud SQL and Firestore); built CI/CD pipelines with GitHub Actions and GCP; implemented monitoring with Google Cloud Operations to improve reliability.
Full Stack Software Engineer at Ergonomic Group
September 1, 2022 - July 1, 2023Developed a supply chain management platform supporting scheduling, logistics, and operational workflows. Built responsive UIs with React.js and Material UI; implemented backend APIs with Node.js and NestJS (PostgreSQL); applied RBAC for secure data access; automated build and deployment pipelines with GitHub Actions.
Full Stack Software Engineer at CoBounce Company
October 1, 2019 - August 1, 2022Developed and maintained full-stack web applications supporting user management, authentication workflows, and scalable backend services. Built with React.js, Node.js, and MongoDB; designed REST APIs for authentication, user management, and data processing workflows; developed responsive frontend interfaces ensuring cross-browser compatibility and reliable application workflows.
Full Stack JavaScript Developer at Liya Enterprise Company
January 1, 2017 - September 1, 2019Developed web applications and backend services for internal business tools and client-facing platforms. Built frontend applications using React.js, Angular, and Next.js; developed backend services with Node.js, Express.js, and MongoDB; implemented authentication/authorization and Agile collaboration.
Education
Master’s in Software Development at Maharishi International University
January 1, 2022 - December 31, 2022BSc in Computer Science at Eritrean Institute of Technology
January 1, 2017 - December 31, 2017Master’s at Maharishi International University
January 1, 2022 - December 31, 2022BSc at Eritrean Institute of Technology
January 1, 2017 - December 31, 2017Master's at Maharishi International University, Fairfield, IA
January 1, 2022 - December 31, 2022BSc at Eritrean Institute of Technology, Asmara, Eritrea
January 1, 2017 - December 31, 2017Master's at Maharishi International University, Fairfield, IA
January 1, 2022 - December 31, 2022BSc at Eritrean Institute of Technology, Asmara, Eritrea
January 1, 2017 - December 31, 2017Master's at Maharishi International University
January 1, 2022 - December 31, 2022BSc at Eritrean Institute of Technology
January 1, 2017 - December 31, 2017Master's at Maharishi International University
January 1, 2022 - January 1, 2022BSc at Eritrean Institute of Technology
January 1, 2017 - January 1, 2017Master of Science in Software Development at Maharishi International University
January 11, 2030 - January 1, 2022Bachelor of Science in Computer Science at Eritrean Institute of Technology
January 11, 2030 - January 1, 2017Qualifications
Industry Experience
Software & Internet, Retail, Financial Services, Education, Travel & Hospitality, Professional Services, Healthcare, Transportation & Logistics, Energy & Utilities, Manufacturing
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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