Available to hire
I’m PREETHAM SHIVA SAI AITHA, a Full Stack Software Engineer with 4 years of experience designing and building scalable applications. I design end-to-end solutions using React, Python, Node.js, and SQL, focusing on responsive frontends, robust backends, and reliable CI/CD pipelines. I love optimizing backend performance, reducing latency, and delivering features that drive user engagement and business outcomes.
In cross-functional teams, I value clear communication, automation, and continuous learning. I enjoy mentoring peers, leading projects, and building tools that streamline operations—such as automated catalog updates and real-time dashboards—while maintaining code quality and scalability for enterprise-grade software.
Skills
Language
English
Fluent
Javanese
Advanced
Work Experience
Freelance Full Stack Developer at Fashion Store Platform
December 31, 2024 - September 10, 2025Led design, development, and deployment of a React + Node.js e-commerce platform with JWT authentication, product catalog, order management, and Stripe payments. Optimized backend APIs to handle 1k+ daily requests with >99% uptime, reducing checkout latency by 35% and boosting sales conversions. Implemented responsive, SEO-friendly UI with React hooks and state management, improving page load performance by 40%. Automated catalog and inventory updates with Python scripts and REST APIs, reducing manual work by 50%.
Freelance Full Stack Developer at Fashion Store Platform
December 1, 2024 - September 10, 2025Led a team to design, develop and deploy a React + Node.js e-commerce platform with secure authentication using token-based (JWT) login, product catalog, order management, and payments with Stripe. Optimized backend APIs to handle 1k+ daily requests with >99% uptime, reducing checkout latency by 35% and boosting sales conversions. Implemented responsive, SEO-friendly UI with React hooks and state management, improving page load performance by 40% and enhancing customer engagement across web and mobile. Automated catalog and inventory updates with Python scripts + REST APIs, reducing manual work by 50% and streamlining operations for the client.
Freelance Full Stack Developer at Fashion Store Platform
December 1, 2024 - September 10, 2025Led a team to design, develop and deploy a React + Node.js e-commerce platform with secure authentication using token-based (JWT) login, product catalog, order management, and payments with Stripe. Optimized backend APIs to handle 1k+ daily requests with >99% uptime, reducing checkout latency by 35% and boosting sales conversions. Implemented responsive, SEO-friendly UI with React hooks and state management, improving page load performance by 40% and enhancing customer engagement across web and mobile. Automated catalog and inventory updates with Python scripts + REST APIs, reducing manual work by 50% and streamlining operations for the client.
Software Engineer at Western Digital
December 1, 2023 - September 10, 2025Collaborated with a 4-member team to build a full-stack Lab Asset Management app, improving asset tracking accuracy by 70% through SDLC. Optimized Python + SQL backend APIs to handle 10K+ requests with 99.99% uptime, ensuring low-latency performance under heavy workloads. Designed and implemented a React-based dashboard with role-based authentication and real-time equipment status visualization, enabling engineers to monitor and manage lab assets seamlessly. Integrated automation scripts for real-time equipment monitoring and developed a unit testing framework, streamlining lab operations and saving hundreds of engineer hours per quarter.
Software Engineer at Western Digital
December 1, 2023 - September 10, 2025Collaborated with a 4-member team to build a full-stack Lab Asset Management app, improving asset tracking accuracy by 70% through SDLC. Optimized Python + SQL backend APIs to handle 10K+ requests with 99.99% uptime, ensuring low-latency performance under heavy workloads. Designed and implemented a React-based dashboard with role-based authentication and real-time equipment status visualization, enabling engineers to monitor and manage lab assets seamlessly. Integrated automation scripts for real-time equipment monitoring and developed a unit testing framework, streamlining lab operations and saving hundreds of engineer hours per quarter.
Software Engineer at Western Digital
December 1, 2023 - September 10, 2025Collaborated with a 4-member team to build a full-stack Lab Asset Management app, improving asset tracking accuracy by 70% through SDLC. Optimized Python + SQL backend APIs to handle 10K+ requests with 99.99% uptime. Designed and implemented a React-based dashboard with role-based authentication and real-time equipment status visualization. Integrated automation scripts for real-time monitoring and developed a unit testing framework, saving hundreds of engineer hours per quarter.
Full Stack Developer Intern at AlignBox
December 1, 2022 - September 10, 2025Developed and optimized React frontends and Python backend APIs, handling 10k+ daily requests with 99.99% uptime and reducing backend response times by 25% and reducing server resource usage. Implemented lazy loading and optimized image rendering, cutting UI latency by 40% and improving user engagement. Automated API deployment and testing pipelines, reducing release cycle time by 50% and improving development efficiency.
Full Stack Developer Intern at AlignBox
December 1, 2022 - September 10, 2025Developed and optimized React frontends and Python backend APIs, handling 10k+ daily requests with 99.99% uptime and reducing backend response times by 25% and reducing server resource usage. Implemented lazy loading and optimized image rendering, cutting UI latency by 40% and improving user engagement. Automated API deployment and testing pipelines, reducing release cycle time by 50% and improving development efficiency.
Full Stack Developer Intern at AlignBox
December 1, 2022 - September 10, 2025Developed and optimized React frontends and Python backend APIs, handling 10k+ daily requests with 99.99% uptime and reducing backend response times by 25%. Implemented lazy loading and optimized image rendering, cutting UI latency by 40%. Automated API deployment and testing pipelines, reducing release cycle time by 50%.
Software Engineer Intern at Western Digital
July 1, 2022 - September 10, 2025Built a Python + MySQL reporting tool generating QA reports in seconds, reducing manual reporting time from days. Applied SQL query optimization to improve large-scale data retrieval by 90%+, saving dozens of hours weekly for the QA team. Implemented role-based access control and secure data handling for reports, ensuring compliance with audit standards and supporting enterprise scale usage. Automated end-to-end QA workflows, ensuring 99% reporting accuracy and accelerating engineering decision-making.
Software Engineer Intern at Western Digital
July 1, 2022 - September 10, 2025Built a Python + MySQL reporting tool generating QA reports in seconds, reducing manual reporting time from days. Applied SQL query optimization to improve large-scale data retrieval by 90%+, saving dozens of hours weekly for the QA team. Implemented role-based access control and secure data handling for reports, ensuring compliance with audit standards and supporting enterprise-scale usage. Automated end-to-end QA workflows, ensuring 99% reporting accuracy and accelerating engineering decision-making.
Software Engineer Intern at Western Digital
July 1, 2022 - September 10, 2025Built a Python + MySQL reporting tool generating QA reports in seconds, reducing manual reporting time from days. Applied SQL query optimization to improve large-scale data retrieval by 90%+, saving dozens of hours weekly. Implemented RBAC and secure data handling for reports; automated end-to-end QA workflows achieving 99% reporting accuracy.
Education
Master of Science in Computer Science at University at Buffalo, SUNY
January 1, 2024 - May 1, 2025Bachelor of Technology in Computer Science and Engineering at Manipal Institute of Technology, Manipal, India
August 1, 2018 - May 1, 2022Master of Science in Computer Science at University at Buffalo, SUNY, NY, USA
January 1, 2024 - May 1, 2025Bachelor of Technology in Computer Science and Engineering at Manipal Institute of Technology, Manipal, India
August 1, 2018 - May 1, 2022Master of Science at University at Buffalo, SUNY, NY, USA
January 1, 2024 - May 1, 2025Bachelor of Technology at Manipal Institute of Technology, Manipal, India
August 1, 2018 - May 1, 2022Qualifications
Industry Experience
Software & Internet, Computers & Electronics, Professional Services
Skills
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