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I am a professional mathematician with research interests in Differential Equations, Spectral Theory, Inverse Problems, Fractional Calculus, Machine Learning, Artificial Neural Networks, Statistical Natural Language Processing, and Digital Signal Processing.

Here's a list of things that you'll receive working with one of the best Low-Code Developers at the platform: ⭐️You will STOP STRUGGLING with system requirements, I'll gather them in details via zoom call ⭐️Can develop HIPAA Compliant Apps ⭐️You will receive visualization of your app data ⭐️You will get delivered a proper documentation of your app ⭐️You will SAVE MONEY as I'm building scalable infrastructure right from the beginning ⭐️You will receive much more than an application, but a whole infrastructure including: performance monitoring, external integrations with such services as Gmail, Google Sheets, Trello, Asana, Mailchimp and many others My personal favorite client quotes that you can find in reviews section of my profile: ✅"One of the best technologist I have worked with. Excellent in so many ways, knowledge of the technology, communication skills, work ethic. I look forward in continuing working with Vlad in 2023." ✅"Vlad was super helpful in understanding our requirements and implementing an excellent data structure in the solution." I have an expertise in 2 fields: ⭐️ Low-Code Development ⭐️ Data-Engineering So, choosing my service, you get not only an expert in web application development, but also a confident expert in the field of data engineering My Corporate experience includes: ⚡️Data Warehouses architectures ⚡️ETL processing ⚡️Data modeling ⚡️Developing use cases ⚡️Use Case diagrams ⚡️Data flow diagrams ⚡️Data Visualization ⚡️Writing Functional and Technical design documents.

I really Care about your project and business! My principles: quality, high-responsibility, initiative. You have problems - I give solutions based on your business needs. What differentiates me from other candidates is my understanding of the entire process and my ability to work responsibly and with a creative approach. I can provide you qualitative web-application with flexible architecture, well-documented code and in a seamless development cycle. Key skills: ✅ 12 years on complex projects: ERPs, CRMs, SaaS, Api integration, High load ✅ Solution Architecture, Web-application Architecture (code, database, choosing best solution) ✅ Laravel (Forge and other infrastructure), excellent OOP. ✅ Databases (MySQL, PostgreSQL, Redis) ✅ Frontend (Vue2, jQuery, Bootstrap) ✅ Amazon services (MWS API, S3, Cloudfront and etc.) Other skills: - php (raw php, REST, unit testing, patterns, debugging) - team development (git, github, jira and others) - high load (caching, full text search) - linux (server configuration) ✅ Work Policy: - All my work is version controlled. It means at any time it can easily be returned to a previous state. - I deliver the best quality possible, but this is often a trade-off between time & budget. I will help find the best balance for the specific project situation. - I'll be honest, if I am out of my depth I will tell you or if I see how you can save time/money even if that means less billed hours for me. ✅ My professional experience is wide, and I can solve many issues where other developers will say - I can't do anything with it or it's impossible. I create web-application architecture, database architecture, setup servers, adapt for high-load. I take great pleasure in solving problems before they arise and automating/optimizing technical/procedural flows. ✅ My goal is to make client happy and continue working with him. Whether its a consultation, development or another kind of service, the service I provide extends beyond. During our communication I will be asking questions. I will be looking for details that are not mentioned in a description nor are obvious. Seeing the full picture, my service will cover more ground and will not only help you reach your goals but will also save you time and money in the long run, if not immediately. ✅ What I will do: As part of my services I will be: - Analyzing your needs and sharing my experience. - Providing possible solutions, weighing their pros and cons, and helping you decide on the optimal way to go. - Communication is the key to a successful project, you’re more than welcome to be involved. ✅ My latest projects are: 1) ERP system for European scope furniture shop. Technologies used: PHP7.2, MySQL, JQuery, Vue.js 2, HTML5, CSS3 What I realized: - Warehouse component (managing, accounting, reserving products; prediction) - Products subsystem (ediitng, calculating, predicting, merging, multiproducts support) - Delivering subsystem (easy drag-drop delivery planing, support of external delivery companies, reports printing) - Integration/export orders from Amazon/Magento - Permission component (RBAC for managers) - Ordering from manufacturers component - Logging activity - Different reports - System and components upgrading from laravel 4.2 to 5.6, from php 5.3 to php 7.2 2) Sale-market and advertising portal for business, franchise and real estate. I was lead developer in team and was responsible both for the development of the application architecture, and for expanding the kernel and complex components. Technologies that we used(most popular) where: yii2, laravel 5.4, vue.js, jQuery, postresql, redis, nginx, php5.6-7.0 Please be aware that I am not a designer. Although I know HTML and CSS inside and out, I cannot creatively build with them. I keep things simple and honest by not promising design skills. Be prepared to provide designs and related HTML/CSS independently. Some simple projects described in portfolio, except projects when i signed NDA. It's important to me to build long term relationships with clients, so I do work responsibly.

With over a decade of hands-on experience, I deliver high-performance, scalable, and intelligent solutions that drive business growth. Whether you're looking to build a robust web application, setup/grow your e-commerce business, or integrate AI/ML capabilities into your operations, I will bring a wealth of expertise to meet and exceed your expectations. What I do: ✓ Web Development: Expertise in PHP, Python, and Node.js for creating seamless, efficient, and secure applications. ✓ E-Commerce Specialist: From setting up a shop from scratch to customising themes and plugins, to ecommerce audit and consulting. ✓ AI/ML Solutions: I provide intelligent solutions that empower businesses with data-driven insights and automation. My projects range from predictive modeling and machine learning algorithms to custom AI solutions that give you a competitive edge. Key Skills & Expertise: - Backend Development: PHP, Python, Node.js, SQL, RESTful APIs - Frontend Development: HTML, CSS, JavaScript, React, Vue.js -E-Commerce: Shopware development, customization, API integration, consulting - AI & Machine Learning: Data preprocessing, predictive models, NLP, custom AI solutions - DevOps: Docker, CI/CD pipelines, AWS, GCP Why Me: ✓ Solutions-Oriented Approach: I am not just a coder. My goal is to provide solutions that fix your issues and improve your business. I believe in writing clean, maintainable code that scales with your business. ✓ E-commerce Expertise: Having worked extensively in the e-commerce industry, I understand the nuances of online business and the importance of delivering a smooth customer experience. ✓ AI/ML for Real Business Impact: I demystify AI and deliver solutions that are practical, efficient, and effective, tailored to solve your specific challenges. ✓ Clear Communication & Timely Delivery: I value transparent communication and am committed to delivering on time, every time. If you're ready to elevate your digital presence, enhance your e-commerce capabilities, or explore the potential of AI/ML, let's discuss how we can turn your vision into reality.

I've graduated from the American University of Armenia, majoring in computer science. There I have learned different areas of computer science and mathematics. I am an experienced website backend developer (PHP, MySQL and JavaScript for client side), but have knowledge and vast experience also in frontend development. I also know Python and has programmed scripts for various tasks like scraping web sites, doing some automation job, parsing something, information/data format transformation, making everyday utilities, and so on. Besides programming, I have some skills in audio and video editing, as well as some other skills associated with different computer programs. Learning something quickly is yet another valuable skill I have. Besides development, I also have white hat hacking knowledge and skills, constantly keep myself updated for latest news in the hacking industry, have participated in many CTF (capture the flag) competitions, both online and offline, worked as a penetration tester in a company specializing in cyber security, and currently I am working as a cyber security consultant and a penetration tester in a few companies. In developing something I always pay great attention to security. I am a passionate and hardworking person and I always deliver high quality work.

I have PhD of Actuarial, Financial Mathematics and Statistics and more than 20 years of work experience with web (PHP, MySQL, MS SQL, PostgreSQL, Yii/Yii2, CodeIgniter, Laravel and Symfony2 Frameworks, HTML, CSS, Bootstrap, Datatables, Ajax, Javascript, JQuery, PHPExcel, Highcharts, Chart.js, Leaflet.js Google charts, WordPress Plugins, REST/JSON APIs,...) development, SQL, MS Office, Researches, analyses, reporting, databases, statistics, SPSS, SAP Crystal Reports,... I build complex financial systems, calculators, dashboards, and data-driven web applications where accuracy and logic actually matter. Most developers can build interfaces. Fewer can design correct models behind them. I do both. With 15+ years of experience in web development and a PhD in Actuarial Mathematics and Statistics, I specialize in systems that involve calculations, data, and non-trivial logic — from financial tools to analytical platforms. ✔ What I deliver: • Financial (annuities, investments, insurance models), statistical and other calculators • Laravel / Yii2 / PHP applications • Data analytics & reporting systems (dashboards, BI, statistics) • API integrations and high-performance backend systems • Mathematical and algorithmic solutions (probability, optimization, modeling) ✔ Why clients hire me: • Rare combination: development + mathematics + business logic • Ability to solve complex, non-standard problems • Clean, maintainable, and scalable code • Reliable communication and delivery If your project involves complex logic, financial models, or data-heavy systems — I can help you build it correctly from the start. Let’s discuss your project.