Available to hire
Hi! I’m Jaider Luna, a passionate backend developer who loves working with modern technologies to build scalable, secure, and future-proof systems. I enjoy tackling challenges head-on and collaborating with teams to create high-quality solutions that meet the fast-evolving demands of today’s tech landscape.
With expertise in Node.js, PHP, Python, Java, and C#, along with frontend frameworks like React and Vue.js, I bring a well-rounded skill set to my projects. I’m always eager to learn more, embrace new challenges, and stay ahead with the latest backend and full stack development trends.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Advanced
Ukrainian
Fluent
Russian
Advanced
Spanish; Castilian
Fluent
Work Experience
Frontend Developer at Codec Ireland
August 1, 2021 - March 31, 2024Communicated with product managers and UX designers to translate project requirements and business objectives into polished user interfaces. Built a beautiful e-commerce web app using React.js, Tailwind, GraphQL, and D3.js with complex data management with Redux and provided pixel-perfect design using Material UI, deployed it to AWS. Participated in sprint planning, grooming, coordinating, PR reviews, and communications to meet team deadlines and goals. Improved app performance by optimizing components, migrating from React to Next.js for SEO, and implementing infinite and virtualized scrolling. Developed 100+ Restful APIs with Node.js and TypeScript for backend support. Integrated third-party services for analytics and user feedback. Implemented CI/CD with Jenkins, Docker, Cypress, AWS/GCP. Applied TDD and testing strategies achieving 95% test coverage with Jest, Cypress, and Selenium. Mentored junior developers and involved in hiring processes.
React Frontend Engineer at Facebook
July 1, 2020 - July 31, 2021Implemented markdown text processing for Bot Framework Web Chat using React. Developed Channel Inspector for user guidance features. Provided technical support for internal teams and key clients. Applied best practices in React development with component-based architecture, Redux, and React Hooks achieving 90% code coverage and 95% accessibility score. Participated in extensive code reviews, agile ceremonies, and project planning to ensure timely software delivery. Developed and executed testing strategies for RTK Query implementations. Collaborated with Tech Lead to define frontend strategic orientation.
Frontend Developer at Trilogy Technologies
October 1, 2016 - May 31, 2020Owned codebase lifecycle from development to maintenance using React, React Native, Angular, and Vue. Developed proofs of concept for future product features and diagnosed production issues. Migrated class-based components to functional components with React hooks to modernize the codebase. Built an online payment platform with React Native enhancing payment security and convenience.
Backend Developer at Apple
July 1, 2013 - September 30, 2016Designed and developed end-to-end web applications using Java technologies (Spring, Hibernate, JSP), increasing user engagement by 20%. Used Python and Django frameworks to maintain and implement web applications. Created and maintained RESTful APIs improving customer satisfaction by 15%. Designed database schemas with SQL and NoSQL (MySQL, MongoDB) that boosted application performance by 30%. Collaborated with front-end teams for seamless UI-server logic integration and reduced downtime by 50% through successful debugging and issue resolution.
Software Developer at Ad Victoriam Solutions
February 1, 2012 - June 30, 2013Developed and maintained software applications using Java and Python, increasing efficiency by 15% and reducing errors by 20%. Collaborated with cross-functional teams to deliver software solutions with a 90% client satisfaction rate. Conducted unit testing and resolved 95% of bugs within 2 hours, significantly reducing project delivery time and costs.
Frontend developer at Codec Ireland (remote)
August 1, 2021 - March 31, 2024Communicated with product managers and UX designers to translate project requirements and business objectives into polished user interfaces. Built a beautiful e-commerce web app using React.js, Tailwind, GraphQL, and D3.js with complex data management with Redux and provided a pixel-perfect design using Material UI, deployed it to AWS. Participated in sprint planning, grooming, coordinating, PR reviews, and communication to meet team deadlines and goals. Improved app performance by optimizing components using memoization, code splitting, windowing, lazy-loading, and migrating from React to Next.js for SEO. Designed and implemented user interfaces using GraphQL queries and mutations. Provided high UX with infinite and virtualized scrolling. Worked on Node.js backend developing 100+ RESTful APIs with Node.js and TypeScript. Developed UI with ReactJS, Next.js, Redux, and Mobx. Integrated third-party services for analytics, A/B testing, and feedback. Built web apps using Agile and TDD prin
React Frontend Engineer at Facebook
July 1, 2020 - July 31, 2021Used React/Typescript, Javascript(ES6), Redux-Thunk, Storybook, Jira, and Git. Implemented markdown text processing for Bot Framework Web Chat with over 300 downloads per week. Developed Channel Inspector for user guidance. Provided technical support for internal teams and top external customers. Applied React best practices including component-based architecture, state management with Redux, and React Hooks achieving 90% code coverage and 95% accessibility. Participated in over 10 code reviews, 60+ agile ceremonies, and 20+ planning meetings with a 95% on-time delivery rate. Developed and executed testing strategies including unit and integration tests. Collaborated with Tech Lead on frontend strategic orientation.
Frontend Developer at Trilogy Technologies
October 1, 2016 - May 31, 2020Technologies used included React/React Native, Angular, Vue, HTML5, MUI, WordPress, Express, Java, Microservices, Jira, AWS, Azure, Jest. Took ownership of the codebase from development through deployment and maintenance. Developed proof of concepts for future features. Diagnosed and resolved production issues. Migrated class-based components to functional components with React hooks. Built an online payment platform using React Native enhancing payment security and convenience. Designed and developed end-to-end web applications using Python Flask, Django, and React resulting in a 15% increase in user engagement. Collaborated with developers, designers, and architects to meet requirements and performance goals. Ensured 95% bug-free releases and optimized performance to improve page load speed. Deployed and maintained applications on cloud platforms achieving 99.99% uptime.
Backend Developer (Java, Python, C#, Javascript) at Apple
July 1, 2013 - September 30, 2016Designed and developed web applications using Java technologies (Spring, Hibernate, JSP) leading to a 20% increase in user engagement. Utilized Python and Django framework for web application development in cross-functional teams, adhering to best practices. Created and maintained RESTful APIs supporting mobile applications, improving customer satisfaction by 15%. Designed database schemas using SQL and NoSQL (MySQL, MongoDB) achieving a 30% performance improvement. Collaborated with frontend developers for seamless UI integration. Debugged and resolved application issues reducing downtime by 50%.
Software Developer at Ad Victoriam Solutions
February 1, 2012 - June 30, 2013Developed and maintained software applications using Java and Python improving efficiency by 15% and reducing errors by 20%. Collaborated with cross functional teams to deliver software solutions meeting client requirements with 90% satisfaction rate. Conducted unit testing and resolved 95% of bugs within 2 hours reducing delivery time and costs. Practiced agile methodologies to ensure 95% on-time delivery and reduced project costs by 10%. Contributed to code reviews improving code quality with 25% decrease in defects and 50% better maintainability. Participated in team meetings to enhance collaboration and project progress.
Frontend Developer at Codec Ireland
August 1, 2021 - March 31, 2024Communicated with product managers and UX designers to translate project requirements into polished user interfaces. Built an e-commerce web app using React.js, Tailwind, GraphQL, and D3.js with complex data management via Redux and provided pixel-perfect design using Material UI, deployed on AWS. Participated in agile ceremonies including sprint planning, grooming, PR reviews, and improved app performance with optimization techniques and migration from React to Next.js. Also worked on Node.js backend developing 100+ RESTful APIs with TypeScript. Mentored juniors, handled CI/CD pipelines using Jenkins, Docker, and AWS/GCP, and implemented comprehensive testing strategies with Jest and Cypress, achieving 95% test coverage.
React Frontend Engineer at Facebook
July 1, 2020 - July 31, 2021Implemented markdown text processing for Bot Framework Web Chat and developed Channel Inspector features. Provided technical support for internal and external teams. Enforced React best practices leading to 90% code coverage and 95% accessibility score. Participated in numerous code reviews, agile ceremonies, and project planning ensuring a 95% on-time delivery rate. Worked with RTK Query testing strategies and collaborated with Tech Lead on strategic frontend orientation.
Frontend Developer at Trilogy Technologies
October 1, 2016 - May 31, 2020Owned codebase from development through deployment and maintenance. Built proofs of concept to experiment with new features. Diagnosed production issues and delivered solutions. Converted class-based components to functional components using React hooks. Developed an online-payment platform with React Native ensuring secure and convenient transactions.
Backend Developer at Apple
July 1, 2013 - September 30, 2016Designed and developed end-to-end web applications with Java tech (Spring, Hibernate, JSP) increasing user engagement by 20%. Used Python/Django for collaborative web app development adhering to best practices. Created and maintained RESTful APIs supporting mobile apps improving customer satisfaction by 15%. Designed database schemas using MySQL and MongoDB improving app performance by 30%. Worked closely with frontend developers to integrate UI elements with backend, resulting in seamless user experiences. Reduced downtime by 50% through timely debugging and issue resolution.
Software Developer at Ad Victoriam Solutions
February 1, 2012 - June 30, 2013Developed and maintained Java and Python software applications resulting in 15% increased efficiency and 20% fewer errors. Collaborated with cross-functional teams to design solutions meeting client needs achieving 90% client satisfaction. Conducted unit testing and resolved 95% of bugs within 2 hours, reducing project delivery time and costs.
Frontend Developer at Codec Ireland
August 1, 2021 - March 31, 2024Communicated with product managers and UX designers to translate project requirements into polished user interfaces. Built an e-commerce web app using React.js, Tailwind, GraphQL, and D3.js with Redux for complex data management, deployed on AWS. Optimized app performance with memoization, code splitting, and lazy loading, and migrated from React to Next.js to improve SEO. Implemented GraphQL queries and mutations, and features like infinite and virtualized scrolling. Developed 100+ RESTful APIs with Node.js and TypeScript. Integrated third-party services for user analytics and feedback. Followed Agile and TDD principles and implemented CI/CD with Jenkins, GitHub, Docker, and Cypress. Ensured 95% test coverage with Jest, Cypress, React Testing Library, and Selenium. Mentored junior developers and participated in hiring and career development activities.
React Frontend Engineer at Facebook
July 1, 2020 - July 31, 2021Implemented markdown text processing for the Bot Framework Web Chat using React. Developed Channel Inspector for user guidance features. Provided technical support for internal teams and top customers. Practiced best React development approaches including component architecture, Redux state management, and React Hooks, resulting in high code coverage and accessibility scores. Participated in numerous code reviews, agile ceremonies, and project planning meetings ensuring a 95% on-time delivery rate. Developed and executed testing strategies for RTK Query with unit and integration tests. Collaborated with Tech Lead to strategize frontend development direction.
Frontend Developer at Trilogy Technologies
October 1, 2016 - May 31, 2020Managed codebase from development through deployment and maintenance. Developed proofs of concept to anticipate future product features. Diagnosed and solved production issues. Transitioned class-based React components to functional components using hooks, aligning with modern coding standards. Built an online-payment platform with React Native enhancing security and convenience for users.
Backend Developer at Apple
July 1, 2013 - September 30, 2016Designed and developed end-to-end web applications using Java technologies including Spring, Hibernate, and JSP, increasing user engagement by 20%. Utilized Python and Django to develop and maintain web applications in collaboration with cross-functional teams following best practices. Created and maintained RESTful APIs supporting mobile applications, improving customer satisfaction by 15%. Designed and optimized database schemas using MySQL and MongoDB, enhancing application performance by 30%. Collaborated with frontend developers to integrate UI with server-side logic, ensuring seamless user experience. Debugged and resolved application issues, reducing downtime by 50%.
Software Developer at Ad Victoriam Solutions
February 1, 2012 - June 30, 2013Developed and maintained software applications using Java and Python, improving efficiency by 15% and reducing errors by 20%. Collaborated with cross-functional teams to implement software solutions meeting client requirements, achieving a 90% client satisfaction rate. Conducted unit testing and resolved 95% of bugs within 2 hours of detection, significantly reducing project delivery time and costs.
Frontend Developer at Codec Ireland
August 1, 2021 - March 31, 2024Communicated with product managers and UX designers to translate project requirements and business objectives into polished user interfaces. Built an e-commerce web app using React.js, Tailwind, GraphQL, and D3.js with complex data management using Redux and Material UI, deployed on AWS. Participated in sprint planning, grooming, PR reviews, and team communication to meet deadlines. Improved app performance by optimizing components using memoization, code splitting, windowing, lazy-loading, and migrating from React to Next.js for SEO. Designed interfaces leveraging GraphQL queries and mutations for data fetching and updating. Implemented infinite and virtualized scrolling for high UX. Developed 100+ RESTful APIs with Node.js and TypeScript on the backend. Integrated third-party services for user experience tracking, analytics, and A/B testing. Adopted Agile and TDD principles, implemented CI/CD pipelines using Jenkins, Docker, Cypress, with test coverage of 95%. Mentored junior develop
React Frontend Engineer at Facebook
July 1, 2020 - July 31, 2021Implemented markdown text processing for Bot Framework Web Chat using React, achieving over 300 downloads per week. Developed Channel Inspector for user guidance on bot features. Provided technical support to internal teams and top external customers. Applied best practices in React development, including component-based architecture, Redux state management, and React Hooks, achieving 90% code coverage and 95% accessibility scores. Participated extensively in code reviews, agile ceremonies, and project planning to ensure 95% on-time delivery rate. Defined frontend strategic orientation alongside the Tech Lead.
Frontend Developer at Trilogy Technologies
October 1, 2016 - May 31, 2020Managed codebase from development to deployment and maintenance. Developed proofs-of-concept to anticipate future features. Diagnosed and resolved production issues. Migrated class-based components to functional with React hooks aligning to modern standards. Built an online payment platform with React Native focusing on security and convenience.
Backend Developer at Apple
July 1, 2013 - September 30, 2016Designed and developed end-to-end web applications using Java technologies including Spring, Hibernate, and JSP, increasing user engagement by 20%. Utilized Python and Django to maintain and implement web applications collaboratively. Created and maintained RESTful APIs supporting mobile apps, boosting customer satisfaction by 15%. Designed and optimized database schemas with MySQL and MongoDB improving application performance by 30%. Collaborated with frontend teams to integrate UI elements with backend logic for seamless user experience. Reduced downtime by 50% through timely debugging and resolution.
Software Developer at Ad Victoriam Solutions
February 1, 2012 - June 30, 2013Developed and maintained software applications using Java and Python, improving efficiency by 15% and reducing errors by 20%. Collaborated with cross-functional teams to meet client requirements achieving a 90% satisfaction rate. Conducted unit testing and resolved 95% of bugs within 2 hours, significantly reducing project delivery time and costs.
Frontend Developer at Codec Ireland
March 31, 2024 - July 15, 2025Communicated with product managers and UX designers to translate project requirements into polished user interfaces. Built a beautiful e-commerce web app using React.js, Tailwind, GraphQL, and D3.js, managing complex data with Redux and delivering pixel-perfect designs with Material UI, deployed on AWS. Participated in sprint planning, grooming, PR reviews, and team communication to meet deadlines. Improved app performance through memoization, code splitting, lazy-loading, and migration to Next.js for SEO. Designed user interfaces utilizing GraphQL queries and mutations, implemented infinite and virtualized scrolling for enhanced UX. Worked on Node.js backend serving thousands of users, developing over 100 RESTful APIs with Node.js and TypeScript. Integrated third-party services for analytics and A/B testing. Employed Agile and TDD principles with peer-reviewed code, implemented CI/CD pipelines using Jenkins, Docker, and AWS/GCP. Achieved 95% test coverage using Jest, Cypress, and Sele
React Frontend Engineer at Facebook
July 31, 2021 - July 15, 2025Implemented markdown text processing for Bot Framework Web Chat using React with over 300 weekly downloads. Developed Channel Inspector to guide users on bot features, achieving 35+ weekly visits. Provided technical support for internal teams and top customers. Followed React best practices including component-based architecture, Redux state management, and React Hooks, resulting in 90% code coverage and 95% accessibility. Participated extensively in code reviews, agile ceremonies, and project planning ensuring a 95% on-time delivery rate. Developed and tested RTK Query implementations with unit and integration testing. Worked alongside Tech Lead to define strategic frontend directions.
Frontend Developer at Trilogy Technologies
May 31, 2020 - July 15, 2025Owned codebase throughout development, deployment, and maintenance. Developed Proof of Concepts (PoCs) to explore future product features. Diagnosed production issues and implemented solutions. Migrated class-based React components to functional components with hooks, aligning with modern standards. Built online payment platform using React Native to enhance payment security and convenience.
Backend Developer at Apple
September 30, 2016 - July 15, 2025Designed and developed end-to-end web applications using Java technologies including Spring, Hibernate, and JSP, increasing user engagement by 20%. Utilized Python and Django framework to build and maintain web apps collaborating across teams. Created RESTful APIs for mobile apps, improving customer satisfaction by 15%. Designed database schemas with MySQL and MongoDB, enhancing application performance by 30%. Worked closely with frontend developers to integrate UI with server logic, ensuring seamless UX. Resolved app issues timely, reducing downtime by 50%.
Software Developer at Ad Victoriam Solutions
June 30, 2013 - July 15, 2025Developed and maintained software using Java and Python, improving efficiency by 15% and reducing errors by 20%. Collaborated with cross-functional teams to meet client project requirements achieving 90% client satisfaction. Conducted unit testing, resolving 95% of bugs within 2 hours, significantly reducing project delivery time and costs.
Full Stack Developer (Backend-Focused) at PLATCOM
June 1, 2023 - PresentFocused on backend development using Node.js, PHP, Python, Java, C#, and Go, integrating API services and microservices architectures. Built interactive user interfaces with React, Next.js, Vue.js, JavaScript, and TypeScript. Collaborated with UI/UX designers for seamless frontend-backend integration. Set up CI/CD pipelines using Git, GitHub Actions, and Jenkins. Worked in Agile/Scrum teams handling backend scaling and frontend features. Assisted in DevOps tasks including deployment, server management, and cloud operations on AWS & Azure.
Backend Developer at BavIT
May 31, 2023 - July 26, 2025Developed robust backend architectures using Node.js, PHP, Python (Django, Flask), Java (Spring Boot), C# (.NET Core), and Go. Managed MySQL, PostgreSQL, MongoDB, and Redis databases for data storage, optimization, and security. Created RESTful APIs and GraphQL services. Deployed backend services with Docker, Kubernetes, and AWS Cloud. Implemented authentication and security protocols including OAuth2, JWT, and HTTPS encryption. Ensured high availability and performance through code optimization and server monitoring.
Full Stack Developer (Backend-Focused) at PLATCOM
June 1, 2023 - PresentFocused mainly on backend development using Node.js, PHP, Python, Java, C#, and Go, integrating API services and microservices architectures. Developed interactive user interfaces with React, Next.js, Vue.js, JavaScript, TypeScript, HTML5, CSS3, Tailwind, and Bootstrap. Collaborated closely with UI/UX designers to deliver pixel-perfect frontends connected to backend APIs. Established CI/CD pipelines using Git, GitHub Actions, and Jenkins to streamline development workflows. Worked within Agile/Scrum teams handling backend system scaling and frontend feature development. Assisted with DevOps tasks involving deployment, server management, and cloud operations on AWS and Azure.
Backend Developer at BavIT
May 31, 2023 - July 26, 2025Developed robust backend architectures using Node.js, PHP, Python (Django, Flask), Java (Spring Boot), C# (.NET Core), and Go. Managed databases including MySQL, PostgreSQL, MongoDB, and Redis for data storage, optimization, and security. Created RESTful APIs and GraphQL services used by internal and external clients. Deployed backend services through Docker, Kubernetes, and AWS Cloud. Implemented authentication and authorization protocols using OAuth2, JWT, and HTTPS encryption. Maintained high system availability and performance through code optimization and server monitoring.
Education
Bachelor's Degree at National Technical University of Ukraine
September 1, 2011 - December 31, 2011Bachelor's Degree at National Technical University of Ukraine
August 1, 2007 - September 30, 2011Bachelor's Degree at National Technical University of Ukraine
September 1, 2011 - December 31, 2011Bachelor's Degree at National Technical University of Ukraine
September 1, 2011 - December 31, 2011Bachelor's Degree at National Technical University of Ukraine - Ukraine
September 1, 2011 - December 31, 2011Bachelor's Degree at National Technical University of Ukraine
September 1, 2011 - December 31, 2011Technologist at Fundación Universitaria Tecnológico Comfenalco
November 1, 2017 - December 31, 2020Technologist in Software Development at Fundación Universitaria Tecnológico Comfenalco
November 1, 2017 - December 31, 2020Qualifications
Industry Experience
Software & Internet, Computers & Electronics, Retail, Financial Services, Professional Services, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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