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⏳ Saved founders and users 1000+ hours through fast-loading apps and reliable AI integrations across 7+ SaaSes & Marketplaces 🎖️Top-rated Senior Backend Developer with 7 years of experience. Focused on Multi-Tenant/Marketplace projects and AI Agents(or both) 🔧 I am best at making complex DB queries fast and AI integrations and agents that strike the balance between speed and reliability. 🫡 WHY ME: I like to help you solve your technical challenges by marrying them to business outcomes. Where most developers exist in a bubble of just writing code, I'd also like to implement solutions that would help you succeed. What you'll get: ✅ Jargon-free, NO BS, no-nonsense communication style. Talking the technical to the non-technical. ✅ Zero micro-management: I can think, plan, and propose solutions on my own, yet your input is much welcomed. Your time is better spent marketing or managing the business. ✅ Fluent English Freelancer who communicates ideas in a way that makes business sense 🙌 Industries worked with: Marketplace Style Apps(Jobs, Real Estate, etc), EdTech, FinTech, Integrations 📚 STACK: As a backend developer, I specialize in Node.js, TypeScript, MongoDB, a bit of SQL too, where needed, Trpc, and a bit of Express when needed, Zod, a bit of Next.js and React where needed, Nginx, and Digital Ocean, and a bit of AWS/GCP when needed 💯. 💪🏼 EXTRA EXTRA :) Here are more specific things I'm good at: 📌 Complex MongoDB aggregations designed for querying large amounts of data in a fast way 📌 Making MongoDB typesafe and integrating it with TypeScript and Zod 📌 Experience with nginx, DNS servers & Virtualmin 📌 Web sockets, monorepos - integrated one DB with 2 backends: the main app and our internal dashboard 📌 AI Backend integrations - utilized AI in the backend for data generation & transformation 📌 Experienced with web scraping and external rest api’s 📌 Familiarity with security vulnerabilities such as CSRF, brute force, SQL injections, etc. 📌 Experience with stronger than JWT encryption systems, such as Passetto 📌 Database Migrations: SQL to SQL or SQL to MongoDB 🏁PPS: For examples of my work, make sure to see my portfolio or my intro video, which go into much more detail 📥 JUST MESSAGE ME: Now that you're convinced I'm good at this backend thingy, shoot me a message to start working together 🤝

𝙁𝙞𝙣𝙩𝙚𝙘𝙝 𝙬𝙚𝙗 𝙖𝙥𝙥𝙡𝙞𝙘𝙖𝙩𝙞𝙤𝙣𝙨 𝙖𝙧𝙚 𝙢𝙮 𝙨𝙥𝙚𝙘𝙞𝙖𝙡𝙩𝙮—𝙄 𝙗𝙪𝙞𝙡𝙙 𝙘𝙤𝙢𝙥𝙡𝙚𝙭, 𝙨𝙘𝙖𝙡𝙖𝙗𝙡𝙚 𝙖𝙥𝙥𝙨 𝙪𝙨𝙞𝙣𝙜 𝙅𝙖𝙫𝙖𝙎𝙘𝙧𝙞𝙥𝙩, 𝙏𝙮𝙥𝙚𝙎𝙘𝙧𝙞𝙥𝙩, 𝙖𝙣𝙙 𝙉𝙤𝙙𝙚.𝙟𝙨. 𝙄 𝙬𝙤𝙧𝙠 𝙬𝙞𝙩𝙝 𝙛𝙖𝙨𝙩-𝙜𝙧𝙤𝙬𝙞𝙣𝙜 𝙛𝙞𝙣𝙩𝙚𝙘𝙝 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙩𝙝𝙖𝙩 𝙣𝙚𝙚𝙙 𝙡𝙤𝙣𝙜-𝙩𝙚𝙧𝙢 𝙨𝙩𝙖𝙛𝙛 𝙖𝙪𝙜𝙢𝙚𝙣𝙩𝙖𝙩𝙞𝙤𝙣. 𝙒𝙝𝙖𝙩 𝙄'𝙢 𝙗𝙚𝙨𝙩 𝙖𝙩: 1️⃣ Custom FinTech Web Apps: I specialize in building long-cycle web applications for product-based companies. Whether you're building a fintech platform from scratch or need ongoing development, I ensure high-quality, scalable results using JavaScript and TypeScript. 2️⃣ API Development & Integration: From building custom RESTful APIs to integrating complex third-party services, I make sure your web app easily connects with the necessary tools using Node.js, Python, and SQL. 3️⃣ Database Architecture & App Development: Creating efficient and secure database architectures is key for any fintech product. I design systems that are both scalable and secure, optimizing them for high performance in fintech environments. 4️⃣ Mockup & UI/UX Design: Before jumping into development, I make sure your project is visualized through detailed mockups, helping to craft the user experience while focusing on functionality. 𝙏𝙤𝙥 𝙎𝙠𝙞𝙡𝙡𝙨: ✔️ FinTech Web App Development ✔️ JavaScript & TypeScript ✔️ API Development & API Integration ✔️ Node.js & Python ✔️ Database Architecture & SQL 𝘾𝙤𝙣𝙩𝙖𝙘𝙩 𝙢𝙚 𝙩𝙤 𝙙𝙞𝙨𝙘𝙪𝙨𝙨 𝙝𝙤𝙬 𝙄 𝙘𝙖𝙣 𝙝𝙚𝙡𝙥 𝙜𝙧𝙤𝙬 𝙮𝙤𝙪𝙧 𝙛𝙞𝙣𝙩𝙚𝙘𝙝 𝙗𝙪𝙨𝙞𝙣𝙚𝙨𝙨!

Full stack software engineer mastering: NodeJS, MySQL, Redis, MongoDB, AWS services for backend and HTML5, CSS3 and Javascript ( reactjs ). I am able to build complex architectures with NodeJS, RestAPI(Express, Koa, Fastify) and GraphQL, MySQL, MongoDB, PostgreSQL, Redis, AWS Services like S3, Cloudfront, SQS, Lambda, API Gateway, Elasticsearch etc. I am very familiar using tools like: Typescript, BabelJS, Webpack, Grunt, Gulp. I can implement various services using serverless architecture with API Gateway, S3, Lambda. Strong experience in optimising MySQL queries and structures.

👋 Hey there! I'm a Full-Stack Developer (contractor / freelancer) with 𝟔+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 in developing Web Applications and continuously growing by learning new technologies and improving professional & personal skills while implementing high-quality, performant, scalable, maintainable and reliable web applications and bringing enthusiasm, positivity and joy to the others. ✅ My skills: • NodeJS (JavaScript + TypeScript) • ReactJS, AngularJS, VueJS, SAP UI5, Bootstrap, Google MaterialUI • ExpressJS, NestJS, LoopBack 3 & 4, FastifyJS • Redis, SequelizeJS, TypeORM, Prisma, Mongoose (PostgreSQL, MongoDB, YugaByte, MySQL) • RxJs, GraphQL, OpenAPI (Swagger), RabbitMQ • Supertest, Mocha, Chai, Jest, Sinon, Proxyquire • Docker, Kubernetes, Vagrant ✅ Software Architecture: • Functional, Reactive, Imperative programming • Microservices • Domain-Driven Development (DDD) ✅ Management methodologies: • Kanban / Agile (Scrum) • Pair programming ✅ I also got a little bit of experience with the following languages and technologies: • Serverless Framework (Amazon AWS S3, Lambda, Cognito) • Google Cloud Platform (GCP) • Twig 🌎 Only interested in remote work. 🤝 Let me know how my expertise can help your business and 𝐥𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭!

Full Stack developer. PHP/Symfony. Javascript/Node/Vue/Nativescript. Prestashop Developer Partner. Specialized in API implementations, server/client and mobile applications. Although preferring backend tasks (developing API, modules), over the last 10 years I have developed, implemented and maintained frontends too using especially the Prestashop platform, custom PHP, NodeJS. Skills: PHP, JS, NodeJS, Symfony, frameworks like SailsJS, VueJS, databases like MySQL, PostgreSQL, MSSQL, web platforms like Prestashop, Wordpress, Joomla, Neto and custom ones. Studies: Bachelor of Business Administration (B.B.A.), Management from Economic Studies Academy Bucharest. Expertise: - API's and platform modules; - Experienced in developing complex eCommerce websites; - Linux server deployment and administration; - Build, update and maintenance of servers, websites, applications both for individual clients or agencies; - Very good communication skills. Technologies used: Ecommerce and CMS: Prestashop, Wordpress, Joomla, Neto, custom Backend languages: PHP, NodeJS PHP framework: Symfony NodeJS framework: SailsJS, Fastify, Express Frontend languages: JS, HTML 5, CSS3 Frontend framework: VueJS System: Bash scripting Databases: MySQL, Postgre, MSSQL Template engine: Smarty, Twig, EJS Server administration: Linux Versioning: Git, SVN Project management: All kanban based (Trello, Wrike, etc), Asana, Invision. Prestashop perks: - Prestashop Developer Partner. - Prestashop Ambassador for Romania since January 2015; - Prestashop forum nickname: Rhobur - Last training: Advanced Level (Update 1.7) - PrestaShop Back-end and Front- end Development training - 1.7, January 2018; Hundreds of projects completed, ranging from API backend, custom on demand module development to full themes and front end tasks. Give it a try, you might find the trusted partner you are looking for. If you look at the video, I am the last person speaking. Unless you consider my buddy there a person too :-)

I work as a 𝐑𝐞𝐚𝐜𝐭 & 𝐍𝐨𝐝𝐞.𝐣𝐬 developer/contractor with 5+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, and have a demonstrated history in the information technology and services industry. I use my passion, skills, and expertise to identify & implement top-of-the-line software solutions for online businesses worldwide.