✅I'm a Python developer with 10+ years of experience building fast, scalable, and reliable backend and full stack applications. I help businesses launch products, automate workflows, and integrate AI/ML solutions — with clean code and smooth delivery. I am also skilled in business analysis and dedicated to optimizing the entire lifecycle of IT products. Whether you need: Full-stack Python developer (Django, Flask) AI/ML engineer (OpenAI, LangChain, NLP) DevOps-savvy backend expert to scale your system - I plug in fast and deliver results. 📚 My educational background includes a degree in computer science, IoT, data science, AI/ML, which form the bedrock of my extensive knowledge in the field. Throughout my professional journey, I have excelled as a Back-end Developer across a diverse array of sectors, spanning FinTech, EdTech, Government, and E-commerce projects. 🔧 Tech Stack 🔺Python & Frameworks: Django, Flask, FastAPI, Aiohttp — from APIs to AI apps and everything in between. 🔺Databases: PostgreSQL, Redis, MongoDB, BigQuery, MySQL, SQLite — optimized for performance, analytics, and scale. 🔺Cloud & DevOps: AWS, GCP, Docker, Kubernetes, GitHub Actions — full CI/CD pipelines and scalable deployments. 🔺Architecture: REST APIs, Microservices, WebSockets, Zapier — integrated with React, Node, and Ruby on Rails stacks. 🔺AI & Automation: OpenAI, LangChain, NLP, geospatial libraries — intelligent features and automation built into production apps. 👌By the way, in my team we also have Javascript, React Native, Node.js , React, Vue, PHP, .NET, C# developers, DevOps also we can provide full stack developer if needed.

I’m a Python developer focused on building automation, data-driven tools, and backend systems that are reliable and easy to maintain. I work with scripts, APIs, and data, helping founders and teams automate workflows, extract insights, and turn ideas into working systems. Typical work includes: - Python automation & scripts - FastAPI / Flask backends - Data cleaning, analysis, and reporting - PostgreSQL / MySQL database design - Internal tools and MVPs I keep things practical: clean logic, clear outputs, and no unnecessary complexity. If you’re not sure whether your task is “development” or “data,” that’s usually a good sign I can help.

I build and ship VR/AR products end-to-end—building a Meta-backed XR studio from scratch and delivering 100+ projects over 7+ years using Unity and Unreal, from games and simulation to healthcare, automotive, and geospatial XR.

I’m a full-stack developer focused on building scalable web systems and implementing integrations between services. I work primarily with Python, Elixir, and React, building maintainable applications. My approach goes beyond just making things work. I focus on writing well-structured, testable code, handling edge cases, and ensuring systems are easy to evolve over time. I’m especially interested in working with startups and fast-moving teams that value solid engineering decisions, long-term scalability, and thoughtful problem-solving.

I've been developing desktop and web applications for 10+ years. Preferred languages: C++, Python, Elixir, Rust.

✨ Upwork Expert-Vetted & Top Rated Plus (Top 1%) ✨ $300K+ Earned ✨ Many 5-star reviews "Nicholas exceeded expectations and is one of the only contractors we have worked with on Upwork that is capable of understanding the end goal of a project and being able to architect a solution from scratch to meet the KPIs associated with the goal. He does not require spoon-fed instructions to complete projects which is invaluable for managing Upwork projects. The task we gave him was not simple nor technically complicated but required concentrated original thinking with a thorough dev-ops approach." - Berger Consulting Group Let's solve your most challenging problems with better data insights, automation, and processes. Our work together will be data-driven and process-oriented, always focused on continuous process improvements. No matter what project you need help with, I help your business create wide-reaching returns on investment and impact for your projects. I help your business/project... ✅ Reduce Costs (My Goal ➡ 10X ROI) ✅ Improve Your Processes ✅ Connect Your Tools ✅ Find Game-changing Insights ✅ Evaluate Your Projects (Quantitative & Quantitative) Send me a message for a free consultation to get started. Let's take your business or project to the next level! ***MY BACKGROUND I'm not your traditional process and data consultant. I didn't go to school to become an engineer or programmer. In fact, I'm self-taught and just naturally driven to find out what makes things tick and how to make them better. I've done this for my own company and many others, including repeat Upwork Clients. I've directed game-changing projects for large companies in Data Science, Process Automation, and Business Intelligence. I love working with small, medium, and large businesses, and I'm sure we can improve your work with better data, automation workflows, and processes. ***MY PROCESS My process is to find what you are really looking for, even beyond what you request, and then exceed your expectations while guiding you through the process step-by-step. STEP #1 -- Initial Consultation. → Let's find out what you're really trying to accomplish. STEP #2 -- Project Plan. → I'll come up with a plan on how to achieve your goals. STEP #3 -- Start Project. → I'll execute our plan. STEP #4 -- Review. Revise. Measure Impact. → Let's improve upon the project and measure the impact on you and your business. ***DATA SCIENCE & BUSINESS INTELLIGENCE I've worked with amazing tools that can harness the power of your data. From Excel to DOMO, we can find amazing data insights for your business. ✅ Data Analysis Platforms (Excel, Google Sheets R, Stata, SPSS) ✅ Database Management (MySQL, Postgre SQL, Oracle APEX) ✅ Advanced Statistical Tests (Regression, Binary Logit, Ordinal Logit, Anova) ✅ Research Study Design & Field Implementation (a/b testing) ✅ Data cleaning, joins, and variables re-coding (SQL, ETL, DOMO, Excel) ✅ Business Intelligence Tools (Google Data Studio, DOMO, Tableau) ✅ Survey Design & Strategy ➡ Let's make a strategy to get the insights you want! ***INTERNAL BUSINESS TOOLS ✅ Google Sheets Systems ✅ Excel + Excel VBA ✅ Retool ✅ Amazon HoneyCode --> I built the most used app on this platform ***PROCESS IMPROVEMENT ✅ 6 Sigma-Based Process Improvement ✅ Process Mapping ✅ Root Cause Analysis ✅ Impact Measurement ✅ Creative Problem Solving ***PROGRAMMING ✅ Excel VBA ✅ Python ✅ Google Apps Script ✅ Javascript ✅ SQL *** DEVELOPMENT ✅ WordPress ✅ WooCommerce ✅ HTML ✅ Javascript ✅ CSS ***PROGRAM EVALUATION ✅ General Project Evaluation ✅ International Development Program Evaluation ✅ Quantitative Program Analysis ✅ Qualitative Analysis ✅ Request for Proposal Writer If you have numbers to crunch, data to collect, a program to evaluate, or a desire to make your life easier by automating your life or business, I'm ready to guide you to business and personal data nirvana!

I’m a highly skilled Full Stack Developer that specializes in high-performance back-end development, including FastAPI, Django, and Flask applications, as well as robust RESTful API solutions. I provide access to an expert Python Developer capable of creating scalable backend architectures, full-stack development, and automation workflows that are reliable, secure, and optimized for growth. Whether your project involves back-end development, full-stack development, automation, Python web scraping, geospatial solutions, FastAPI, RESTful APIs, .NET core, Node express, CI/CD, or API integration, I can deliver systems that are fast, secure, and maintainable. 💡 Ready to Scale Your Project? Hire a Python Developer | Backend Engineer for FastAPI, Python, Django, Flask, RESTful API, PostgreSQL, MySQL, automation, Selenium, API integration, Apache Kafka, CI/CD, full-stack development, Python web scraping, Python geospatial, and more. ✅ 𝐊𝐄𝐘𝐖𝐎𝐑𝐃𝐒: Full Stack Developer | Full Stack Web Developer | MERN Stack Developer | React Developer | Node.js Developer | JavaScript Developer | TypeScript Developer | Web Application Developer | Software Developer | React.js Developer | Next.js Developer | JavaScript Frontend Developer | TypeScript Frontend Developer | Tailwind CSS Developer | Bootstrap Developer | HTML5 Developer | CSS3 Developer | Responsive Web Design | Frontend Web Developer | Single Page Application (SPA) Developer | Node.js Backend Developer | Express.js Developer | NestJS Developer | REST API Developer | RESTful API Development | GraphQL Developer | WebSockets Developer | Backend API Developer | API Integration | Third-Party API Integration | JWT Authentication | OAuth2 Authentication | MySQL Developer | PostgreSQL Developer | MongoDB Developer | Redis Developer | SQL Developer | NoSQL Database Developer | Database Design | Database Optimization | Database Architecture | Microservices Developer | React Native Developer | React Native CLI | React Native Expo | Cross-Platform Mobile App Developer | iOS and Android App Developer | AWS Developer | Cloud Application Developer | Docker Developer | CI/CD Developer | DevOps Engineer | Nginx Developer | Apache Server | Cloud Deployment | SaaS Developer | Full Stack SaaS Developer | Startup MVP Developer | Admin Dashboard Developer | CRM Developer | Business Automation Developer | Custom Web Application Developer | Enterprise Web Applications | Multi-Tenant SaaS | API Security | Application Security | Secure Coding | Role-Based Access Control (RBAC) | Performance Optimization | High-Performance Web Applications | React + Node.js Developer | Full Stack React Node Developer | MERN Stack Web Application Developer | Next.js + Node.js Developer | TypeScript Full Stack Developer | Cloud-Ready Web App Developer | End-to-End Web Application Developer

Data Professional (Python, R, SQL, VBA, Tableau, Excel) | No-Code Automation Engineer (Zapier, N8N, Make.com) | 35+ ⭐⭐⭐⭐⭐ reviews A passionate All-In-One Software Engineer with 8+ years of experience. I specialize in transforming complex business challenges through innovative AI-powered advanced analytical solutions, and no-code automation workflows solutions to drive operational efficiency and strategic insights for individuals, startups, SMBs and enterprises. ✦ Core Expertise: 📊 Advanced Data Analytics & Visualization: • AI-driven analytical platforms and interactive dashboards to extract actionable insights • Statistical analysis and machine learning solutions • Executive visually compelling reporting across multiple industries • Tools: Python, R, SQL, Tableau, Power BI, Jupyter, Excel 🤖 No-Code Automation Engineering: • Expert in workflow automation platforms: Zapier, Make.com, N8N • Integrate 20+ software applications seamlessly reducing manual tasks, minimizing human error and accelarate business growth • Custom API and scripting integrations • Trigger-based automations with advanced conditional logic • Error monitoring and automated process optimization I have consistently received 5-stars on all my upwork projects (35 reviews). I also pride myself by maintaining an overall 95%+ on-time delivery rate and 70% repeat client base including my consultation servies outside Upwork, thanks to my dedication towards sachieving success. ✦ What do clients say about me (Testimonials): • "Keval does not need supervision. He is intuitive and can address issues on his own. His programming skills are unmatched. He is my first choice for every project." • "Reliable contractor. He is my first choice when we have work. Extremely dependable!" • "Perfect. Keval delivers on instructions and anticipates improvements on his own. I always offer him projects first." • "An amazing worker. Takes the initiative, works promptly, and is very professional. I can't wait to work with him again." ✦ Why You’ll Love Working with Me: • Proven track record delivering impactful data-driven solutions for individuals, startups, SMBs and enterprises, with high 5-stars ratings. • Client-first mindset: We kick off with a consultation call to pinpoint your requirements, goals, and pain points, then follow up with regular progress updates, well-defined milestones, and realistic timelines. • Competitive & transparent pricing: Fair hourly rates and no hidden fees so you always know what you’re paying for • Up-to-the-minute expertise: I stay on top of the newest no-code tools, data-science trends and best practices • Precise attention to detail and user experience: Ensuring your solution is not just functional, but also seamlessly adaptable and scalable • Flexible availability to match with your schedule and priorities ✦ Let’s Connect: Let’s build something truly exceptional. Whether you need to find insightful solutions from your data or you need a automated workflow over tiredless manual tasks, I'm here to help you out. Click 'Invite to Job' for a consultation call!

AI/ML Engineer & Full-Stack Developer | Python, TypeScript, React, Node.js | Building Intelligent Solutions UK-based AI/ML Engineer and Full-Stack Developer with a strong product vision and a passion for building intelligent, data-driven applications. I specialise in leveraging Python for machine learning and data science, alongside TypeScript, React, Node.js, and SQL for robust web development, turning complex requirements into impactful, user-centric solutions. Strengths & Skills: AI/Machine Learning: Experienced in custom model development (TensorFlow, OpenCV, Computer Vision), data analysis (Pandas, NumPy), automation scripting, and practical applications like fraud detection and process optimisation. Full-Stack Development: Proven ability to architect, build, and deliver end-to-end SaaS platforms and web applications. Proficient across the stack from front-end (React, HTML) to back-end (Node.js) and database (SQL, MySQL). Problem Solving & Impact: Demonstrated ability to deliver measurable results, such as developing an AI-powered bank statement verification tool, significantly reducing manual work through automation, and increasing conversion rates via data visualisation in previous projects. Highlights & Accomplishments: Founded and developed Bee Parsing, a SaaS CRM solution, from concept to deployment, showcasing full product lifecycle ownership. Led a research project for Siemens Energy, successfully automating material analysis with ML and identifying a key solution. Educated at Lancaster University with a strong foundation in statistical methods, Python, and SQL. Continuously learning and currently pursuing IBM Data Science Professional and AWS certifications. I bring strong project ownership, clear communication skills suitable for both technical and non-technical stakeholders, and a collaborative, growth-oriented mindset. I am eager to apply my skills to challenging projects and help clients achieve their goals. Let's connect to discuss how I can bring value to your project!

I develop clean web applications, see some examples below. Currently, I build most of my projects with: - React.js - Javascript (and HTML/CSS) - Tailwind CSS - Next.js (and Vercel for deployment) I am always happy to learn new technologies to finish new projects. Open to hopping on a call to discuss things, just send me a message. Tools: React.js, Javascript, HTML/CSS, Tailwind CSS, Next.js, Vercel, Firebase, Figma