Ketan S

Senior Software Engineer

StackZoid Technologies • Freelance

Feb 2017 - Present • 9 yrs 3 mos

Delivered end-to-end web and software solutions for multiple clients, managing the full development lifecycle from requirement gathering to deployment and support. Focused on building scalable, high-performance applications tailored to client business needs. - Designed and developed custom web applications using technologies such as JavaScript, PHP, Laravel, HTML, and CSS - Gathered and analyzed client requirements, translating them into technical solutions - Built and integrated REST APIs, payment gateways, and third-party services - Developed scalable and maintainable system architectures for various business domains - Managed cloud services and deployments (e.g., AWS S3, hosting environments) - Ensured application performance, security, and responsiveness - Conducted unit testing, debugging, and troubleshooting for production issues - Maintained direct client communication, providing regular updates and technical consultation - Delivered projects within deadlines while maintaining high-quality standards Key Achievements - Successfully delivered multiple freelance projects across domains such as booking systems, payment integrations, and business management platforms - Built and deployed custom booking and pricing systems, improving operational efficiency for clients - Implemented secure and optimized payment workflows, reducing transaction errors and improving user trust - Improved application performance through optimization, resulting in faster load times and better user experience - Reduced post-deployment issues by implementing strong validation logic and thorough testing practices - Managed end-to-end project ownership, ensuring client satisfaction and repeat business - Provided technical consulting to clients, helping them choose scalable and cost-effective solutions - Handled production deployments independently with minimal downtime and smooth rollouts

Senior Web Developer

Rayadcom • Fulltime

Mar 2017 - Apr 2018 • 1 yr 1 mo

Led the design, development, and optimization of scalable web applications while mentoring junior developers and ensuring high-quality code standards. Collaborated with cross-functional teams to deliver robust, secure, and high-performance solutions aligned with business goals. - Designed and developed complex web applications using modern technologies (JavaScript, PHP, Laravel, HTML, CSS) - Architected scalable systems and optimized existing applications for performance and reliability - Led feature development from requirement analysis to deployment - Integrated third-party services such as payment gateways, APIs, and cloud storage (e.g., AWS S3) - Ensured code quality through reviews, best practices, and adherence to coding standards - Managed deployments across development, staging, and production environments - Mentored junior developers and conducted technical guidance sessions - Collaborated with QA, product, and design teams to ensure smooth delivery cycles - Implemented security and data protection best practices Key Achievements - Led the successful implementation of the cash pricing feature, enhancing pricing flexibility and improving user experience - Resolved critical issues in payment workflows and booking systems, significantly reducing transaction discrepancies - Improved application performance and reduced load time through code optimization and efficient data handling - Played a key role in stabilizing the platform by identifying and fixing high-impact bugs during testing phases - Streamlined deployment processes, ensuring smooth releases across staging and production environments - Enhanced system reliability by improving validation logic and reducing edge-case failures - Mentored team members, improving overall development efficiency and code quality - Contributed to faster feature delivery by improving collaboration between development and QA teams

Web Developer

NeoSOFT Technologies (A CMMi Level 3 Organization) • Fulltime

Aug 2014 - Apr 2017 • 2 yrs 8 mos

Responsible for designing, developing, and maintaining scalable web applications while ensuring performance, responsiveness, and seamless user experience. Collaborated with cross-functional teams including designers, backend developers, and QA to deliver high-quality products. - Developed and maintained dynamic web applications using modern technologies (e.g., JavaScript, PHP, Laravel, HTML, CSS) - Built responsive and user-friendly interfaces aligned with UI/UX best practices - Integrated REST APIs and third-party services (e.g., payment gateways, AWS S3) - Optimized application performance, reducing load times and improving efficiency - Performed unit testing, debugging, and troubleshooting to ensure system reliability - Participated in code reviews and followed best coding standards - Managed deployments across development, staging, and production environments Key Achievements - Successfully implemented cash pricing feature, improving pricing flexibility and enhancing customer experience - Identified and fixed critical bugs related to payment calculations and booking flow, reducing transaction errors - Improved system stability by resolving multiple issues during unit testing of booking and payment modules - Played a key role in feature deployment across staging and production environments with minimal downtime - Enhanced email template functionality for partner integrations, improving communication accuracy - Collaborated effectively with team members to identify and resolve issues in complex features like change people and cart management - Reduced manual errors by improving validation logic and automation in key workflows