Back End Developer

to the J.A.R.V.I.S. project, playing a significant role in the architecture and develop ment over 1.5 years. The project continues to evolve with a new team. Expertise: — Architecture and develop ment of integrated IT solutions. — AI and Machine Learning: automation and analytics applications. — Web develop ment (Python, Flask, SQL, API integrations, JavaScript). — Script-based systems, including secure backend…

I work in web develop ment with a focus on PHP and Laravel. I handle both backend…

My name is Kostiantyn Lysenko, I am a freelance web & automation developer .I develop web applications, admin panels, and Telegram bots for business needs.I focus on practical solutions that simplify processes and save time.I have already implemented a full-fledged web project with backend…

Good afternoon! I have been involved in full-stack develop ment and website creation for several years. I have experience working with backend…

Fullstack Developer — web apps, mobile apps & AI‑based solutions I’m a developer with 7+ years of experience building web and mobile applications. I work across frontend, backend…

…Python (Django)I build responsive, high-performance web applications and solve complex backend challenges. I focus on delivering functional, scalable, and secure solutions tailored to specific business needs—from scratch to deployment.My technical expertise includes: Architecture & Networking: Designing robust RESTful APIs, implementing WebSockets for real-time data exchange, and building scalable system architectures. Backend…

project targeting an audience of 1 million users. Achievements / Key Projects: CRM System Jobbible: Built from scratch with design in Figma, PHP-based frontend/backend, and SQL database. Develop ed as a high-load application supporting 500k+ users. Designed interfaces featuring: Complex data tables, Advanced data visualizations, Interactive dashboards, Survey/questionnaire systems, Request forms, End -to-end…

in cybersecurity, I pay special attention to data protection and code stability. Key Skills: Frontend: React, Next.js (App Router), TypeScript, Tailwind CSS, HTML5/CSS3. Backend : Node.js, NestJS, Express, PostgreSQL, Prisma ORM, REST API. CMS: WordPress (theme develop ment, Elementor, WPBakery, WooCommerce). Mobile: React Native (iOS/Android). Tools: Git, Figma (Pixel-perfect conversion). My Services: Web App Develop…

developer to bring your digital projects to life? You’re in the right place! Here’s what I bring to the table: ✅ Web Develop ment: I specialize in building dynamic and responsive websites using Django and Vue.js. Whether you need a sleek landing page or a complex web application, I’ll ensure your site is both functional and visually appealing. ✅ Backend Develop ment: Need a robust and scalable backend…

Develop ment and maintenance of applications using WPF, MAUI. Mobile: Hybrid applications with .NET MAUI for Android. Backend : REST API develop ment on ASP.NET Core Security: JWT, Refresh Tokens Data validation: FluentValidation Database management: MySQL, SQL Server, EF Core DevOps & Tools: Setting up CI/CD pipelines in GitHub Actions, integration of external APIs. My Experience I have Full Stack develop…