Sahil Jaiswal

Full Stack Software Engineer

Faction IT Solutions • Vollzeit

Feb 2023 - Present • 3 yrs 5 mos

I am Sahil Jaiswal, a Full-Stack Software Engineer with 5+ years of professional experience in building high-performance, scalable, and user-centric applications across web, mobile, and backend systems. I specialize in delivering end-to-end software solutions, from idea and architecture to deployment and long-term support. My expertise spans MERN Stack (MongoDB, Express.js, React.js, Node.js) for modern web applications, Flutter and Kotlin for cross-platform and native mobile apps, and robust backend systems powered by PostgreSQL, MySQL, MongoDB, and Redis. I design APIs that are secure, fast, and scalable while ensuring clean architecture and maintainable code. On the backend, I have strong experience with Node.js, Python, and Java-based services, handling real-time data, authentication, role-based access, and performance optimization. I’ve worked extensively with SQL and NoSQL databases, implementing optimized queries, indexing strategies, and caching using Redis to significantly improve application performance. I also bring hands-on experience in AI and Machine Learning, including object detection models, data processing pipelines, and AI-powered automation, helping businesses integrate intelligent features into their products. My AI work focuses on practical, real-world use cases rather than theoretical implementations. Professionally, I have worked in production environments managing cloud deployments, CI/CD pipelines, RESTful APIs, microservices, and IoT platforms, ensuring system reliability and scalability. I follow industry best practices, write clean and well-documented code, and maintain clear communication throughout the project lifecycle. Whether you need a startup MVP, enterprise-level system, AI-enabled application, or performance optimization, I deliver solutions that are reliable, secure, and built to scale. 📌 Why choose me? ✔ 5+ years of real-world experience ✔ Clean, scalable, and secure code ✔ Strong problem-solving mindset

AI Application Developer

Freelancing Career • Freiberufler

Apr 2022 - Present • 4 yrs 3 mos

I am Sahil Jaiswal, a Freelance Application Developer with 5+ years of hands-on experience in building high-quality mobile and web applications that are fast, secure, and scalable. I help startups, entrepreneurs, and businesses transform ideas into fully functional, production-ready applications. I specialize in mobile application development using Flutter and Kotlin, creating cross-platform and native Android apps with smooth UI/UX, clean architecture, and excellent performance. From user authentication and real-time features to payment integration and API connectivity, I deliver complete mobile solutions tailored to your business needs. On the web and backend side, I work with MERN Stack (MongoDB, Express.js, React.js, Node.js) to develop modern web dashboards, admin panels, and backend APIs. I design and implement secure REST APIs, handle role-based access control, and integrate third-party services seamlessly. I have strong experience working with databases such as PostgreSQL, MySQL, MongoDB, and Redis, ensuring optimized data storage, fast retrieval, and scalable performance. I focus heavily on backend efficiency and app stability, which results in reliable applications even under high traffic. In addition, I offer AI-powered application features using Python and Machine Learning, including automation, intelligent data processing, and AI-based insights, helping businesses gain a competitive edge with smart technology. As a freelancer, I understand the importance of clear communication, transparency, and timely delivery. I follow a structured development process, provide regular updates, and ensure your app is fully tested, documented, and ready for deployment. 📌 What you can expect: ✔ End-to-end app development ✔ Clean UI, smooth performance ✔ Secure & scalable architecture ✔ Ongoing support & maintenance ✔ 100% client satisfaction focus Whether you need a mobile app, web app, admin dashboard, or AI-enabled solution, I’m here to build applications.