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i build modern, scalable full stack web applications from scratch, tailored to your product goals and technical requirements. this service is ideal if you need a solid, production ready foundation or a fast moving mvp. i focus on clean architecture, performance, and security from the start, ensuring your application is easy to extend and maintain as it grows. includes: • responsive frontend using react or next.js • secure backend api built with node.js and express • database integration and schema design • authentication and access control • deployment setup this service is a great fit for startups, early stage products, and anyone looking to turn an idea into a reliable web application.
need help fixing bugs or adding new features to your web app? i can help improve, debug, and extend your existing application while keeping your codebase clean and maintainable. i work with: • react / next.js • node.js • rest apis • databases i focus on identifying root causes, writing clean and scalable solutions, and delivering updates quickly without breaking existing functionality. fast turnaround. clean code. clear communication.
hi, i’m denis, a cybersecurity analyst and full stack developer with strong experience in c++, rust, lua, and modern web technologies. my work spans low level systems, security focused development, and modern full stack applications, allowing me to understand software from the ground up rather than just at the surface level. i have built a wide range of projects, from simple landing pages and internal tools to complex, production grade systems used in real world environments. these projects required careful attention to performance, maintainability, and long term stability, not just quick delivery. i prioritize clean architecture and thoughtful design so systems remain easy to scale and adapt as requirements evolve. my background in cybersecurity strongly influences how i build software. i approach every project with a security first mindset, considering attack surfaces, data protection, and reliability from the earliest stages of development. this allows me to deliver applications that are not only functional and efficient, but also resilient against common security issues. i am also an established contributor in the hvh space, where i developed and maintained a commercial product with over 1,000 purchases. managing a live product at scale gave me hands on experience with performance optimization, reverse engineering challenges, user driven iteration, and long term maintenance. working with a large user base taught me how to balance rapid development with stability and quality. i approach problems analytically and rely heavily on research and critical thinking before implementing solutions. i take the time to fully understand requirements, constraints, and potential risks before writing code. whether working on low level systems or modern web applications, my goal is always to build secure, reliable, and efficient software that delivers real value and holds up in production over time.