Hire Top Freelance NoSQL Developers

Qaiser Mehmood

I don't just write code — I **define the architecture**. For over two decades I've been the person CTOs and lead developers call when a system is *failing under load*, a migration is at risk, or an AI integration needs to be done **right the first time**. With **21 years** of hands-on architecture experience, I specialize in **C#, .NET, Blazor, ASP.NET Core, SQL, Python**, and AI agents built with **Semantic Kernel, LangGraph, and custom tool-calling pipelines**. I design and deliver systems where performance, reliability, and intelligent automation aren't optional — they're the baseline. I've helped teams migrate from legacy .NET Framework to .NET 8, integrate AI into production pipelines, and recover systems failing under scale — without full rewrites. I've shipped AI to **production** — not to a Jupyter notebook. I'm the creator of **FreeAIVoice** ([freeaivoice.com](https://freeaivoice.com)) — a live AI voice platform with AI Voice Generation, Voice Cloning, and Speech-to-Text across **30+ languages** and a developer API. I know what it takes to build AI products that handle real users, real traffic, and real failure modes. --- **Here's where I'm most useful to you:** - **The AI Integration Trap** — You've been asked to add AI to your existing .NET system but don't know whether to use *Semantic Kernel*, raw OpenAI APIs, or a Python sidecar. I've made that decision dozens of times. I'll make it faster and safer for you. - **The Blazor Bottleneck** — Your Blazor app is slow, state management is tangled, and you're unsure if you chose *Server or WASM* incorrectly. I can diagnose what went wrong and map a clean path forward — often in a single session. - **The Legacy Modernization Cliff** — You have a 10-year-old .NET system that needs AI or modern tooling but wasn't designed for it. I specialize in *incremental refactoring paths* that don't require a full rewrite and don't break what's already working. --- **What I Do Best:** - **Software Architecture & System Design** — scalable, maintainable systems from greenfield to enterprise - **AI Agent Development** — production-grade agents with Semantic Kernel, LangGraph & AutoGen — *not demos* - **Blazor & ASP.NET Core** — Server, WASM, hybrid — full-cycle development and performance tuning - **Python & AI Automation** — RAG pipelines, workflow automation, voice AI, LLM integrations - **Legacy .NET Modernization** — refactoring strategy, migration paths, incremental upgrades - **Architecture Audits & Code Reviews** — identifying structural risks before they become production incidents - **Debugging Complex Systems** — when the stack trace doesn't tell the whole story

Olakunle Irantiola

I'm eager to be a Codementor because I'm passionate about coding and teaching. With my expertise in Javascript (Node.js, Nest.js, Nuxt.js, PHP - Laravel, Mysql, Postgresql, AWS, Java - Android, Typescript, MongoDB, Redis, Git to mention a few), I want to help others overcome coding challenges and accelerate their learning. Codementor's emphasis on one-on-one mentorship aligns with my belief in personalized guidance. I'm excited about the prospect of contributing to the coding community, connecting with diverse learners, and making a meaningful impact on their journeys.

Lanre Fasuyi

Hi, I'm Lanre! I'm a **full-stack developer** specializing in **JavaScript**, **PHP**, **Python**, **React**, **Next.js**, **Laravel**, **SQL**, and **Node.js**..

Kshitiz

A seasoned software developer who worked with Amazon and has 6+ years of experience developing applications that scale efficiently and remain maintainable in the larger frame of the product lifecycle. Have built robust applications which have scaled from 500 to 21+ million users serving one of the biggest supply chains in the world. Have also delivered on projects of all sorts in Java and Python with companies like Samsung and Paytm as well as freelancing with multiple Silicon Valley startups. Also have mentored a lot of folks at all ages and levels in Data structures, Algorithms, Web development, System design, and programming languages like Python, Java, JS, Golang, etc. Come say Hi👋 First session is always on the house :) See if my teaching style really makes a difference in your journey or not

Alireza Esmaeili

* 15+ years of experience in software development. * 7 years of building apps with NodeJS, React and Angular. * 5 years of hands-on work with cloud-based. * Solid background in computer science and software development. * Proficient in important practices like Clean Code, Refactoring, Test Automation, and CI/CD. * Exceptional at solving problems and learning new technologies quickly.

Arpit Agrawal

Available for: - Technical Mentorship / Career Consulting - Interview Preparation Mock Interviewing (especially with respect to FAANG and similar rated companies). Around 15 years of experience primarily in Backend Development but extended to Front-End (HTML/CSS, JS, React, Angular etc) and Mobile App Development (iOS/ Android). I have worked primarily with Java but have experience working on many other languages like Javascript, Python, Ruby, Objective C, Swift etc.

Victor Awoke

I am an experienced software engineer, excellent in Web, Mobile and Desktop Application Development using technologies like React, React Native, .NET Framework, NodeJS, Electron, Angular, Ionic Framework, NestJS, NextJS, PHP, PostgreSQL, MS SQL, MongoDB, Firebase and others. I have experience working with Figma Designs, Adobe XD, Adobe PhotoShop and Adobe Illustrator. I can create and deploy web, mobile (IOS and Android) and desktop applications seamlessly.

Aryan Ahmad

Software Engineer specializing in **cloud infrastructure**, **scalable data management**, and **iOS development**—led several cost-savings and security projects, built privacy-first apps with **1M+ users**, and mentored engineers to success Long time coding mentor - I've helped dozens of high-school and college kids for help with their coding assignments. We've all been there!

Aremu Mohammad Abiodun

I'm versed in most advanced software development methodologies, software creation, integration and adaptation. I bring a wealth of technical expertise and a commitment to delivering high-quality software solutions. My ability to adapt to new technologies and my dedication to continuous learning make me an Ace of the Industry

Shrey Agarwal

**Experienced, efficient, flexible, friendly, no charge if I can't help!** **Proven technical interviewing tutor** **Specialize in backend (C#,C++,Java,etc) coding and Azure** I have been a software engineer for the past 12 years at Microsoft, and have been solving problems for much longer than that. I am fast and efficient and will be honest about my expertise and timelines. I have an unbounded passion for anything technology, rising from an insatiable curiosity to learn more. In the plethora of technologies or fields that I already have knowledge of, I will be able to help right away. But rest assured that with me, you don't need to worry about knowledge till date. If I encounter a problem outside of my expertise, I would just jump in to researching everything about it, find pros and cons for all solutions and then helping out with the best one. Note - If pricing is an issue, ping me! We can work something out! :)