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Freelance Unit Testing Developer - Rajesh Dhiman
Freelance Unit Testing Developer5.0 (9 reviews)

**Stuck on a tricky bug in your AI-generated code? Need to turn a fragile prototype into a production-ready app?** I'm a **senior AI engineer** who specializes in solving the unique challenges of building with LLMs and automation tools. As an expert in both **AI code rescue** and **workflow automation**, I can help you with: * **Debugging Tricky AI Code:** We'll jump on a call and fix that bug in your `LangChain`, `OpenAI`, or `Replit` project. * **MVP Code Reviews & Hardening:** I'll perform a detailed review of your prototype for security, scalability, and best practices to get it ready for launch. * **Building Custom AI Workflows:** As a freelancer, I can architect and build the efficient automations your business needs. * **Career Mentorship:** I can guide you on the path to becoming a highly skilled AI Automation Engineer. --- ### **Example Freelance Engagements** Below are examples of common freelance projects I can help you with. If your project looks like one of these, send me a message with the details, and I can provide an hourly estimate. * **AI-Generated MVP: Code Review & Hardening Plan** * I perform a comprehensive review of your prototype's codebase. You'll receive a detailed report covering security vulnerabilities, scalability issues, and a concrete action plan to get your MVP production-ready. * **Build a Custom AI Automation Workflow** * I work with your team to map out a key business process and build a robust AI-powered automation to improve efficiency. Ideal for sales, marketing, or internal support workflows. --- My stack includes `Node.js`, `Python`, `React`, `LangChain` & `OpenAI`. Let's solve your problem—**book a session or send me a message!**

Freelance Unit Testing Developer - Ale Miralles
Freelance Unit Testing Developer5.0 (39 reviews)

I started my programming career creating line of business applications for investment banks and slowly transitioned into web development roles working with Ruby on Rails and Elixir/Phoenix. I have experience working on high-profile web apps serving millions of active users and also smaller websites with modest traffic but terrific revenue. For the past eight years, I've been working remotely for American companies, mainly doing web development and playing tech-lead roles in several projects. I'm used to working with founders and CTOs, going from Plan A to Plan B to a plan that works. I've helped companies build MVPs, scale projects, and maintain large-scale systems handling millions of requests a day. I'm comfortable doing code reviews and pair programming sessions. These are some web apps I've worked on in the past couple of years: * [Canary Data (Elixir/Phoenix - React)](https://canary-data.com/) * [Blitz (Elixir/Phoenix)](https://blitz.gg/) * [Superkind (Elixir/Phoenix)](https://www.linkedin.com/company/superkind) * [About Fresh (Elixir/Phoenix)](https://aboutfresh.org/) * [AR Workflow (Ruby/Rails - Node.js)](https://arworkflow.com/) * [SnapCell (Ruby/Rails)](https://snapcell.us.com/) * [Walkboard (Python/Django)](https://www.walkboard.com/) * [Sky Sports (Node.js - Python)](https://www.skysports.com/football) I wrote [Data Structures From Scratch](https://www.amazon.com/gp/product/B07MZZT6SW), an ebook about creating essential, advanced, and persistent data structures using the Ruby programming language. I live in Buenos Aires (UTC-3) with my wife and beautiful son. If you made it this far, please check out [my resume](https://alemiralles.dev/alemiralles-resume.pdf) for a detailed version of what I've been doing. Thank You!!

Freelance Unit Testing Developer - Vardan Hakobyan
Freelance Unit Testing Developer5.0 (9 reviews)

*TL;DR* I can help you solve problems related to JavaScript, React, Redux, TypeScript, Tailwind, Sass/SCSS, LESS, CSS-in-JS (Styled Components, Emotion), Jest, Enzyme, Jasmine, etc. - more details below👇 Hey 👋 My name is Vardan, I am a software engineer with over 15 years of experience. I have expert knowledge of JavaScript, TypeScript, React/Redux, HTML, CSS, unit/integration testing, etc. I have a lot of experience implementing responsive, pixel-perfect UI in-particular and web applications in general. The tech stack I have used so far includes (but is not limited to) the following: React, AngularJS, React Native, TypeScript, Redux, MobX, SCSS, Less, Styled Components, Emotion JS, Tailwind CSS, Jest, Enzyme, Jasmine, Node.js, etc. I look forward to hearing from you. Best, Vardan

Freelance Unit Testing Developer - Noah Salako
Freelance Unit Testing Developer5.0 (3 reviews)

With more than 8 years of experience working with companies and on my own projects. My strongest skills lie around Javascript, Typescript, Node JS, Nest JS, Redis, React, React Native, Next JS, Vue, Nuxt JS, Laravel, Devops (Kubernetes, CI/CD, GCP, AWS etc) and whetever solution the project needs. I have a passion for learning new technologies and I am always looking for new challenges.

Freelance Unit Testing Developer - Bhavani Ravi
Freelance Unit Testing Developer5.0 (29 reviews)

I'm a Pythonista who builds backend systems, Devops Automation, and Data Pipelines. I have also contributed to open-source projects like Pandas and Airflow. I am a LinkedIn learning instructor and also run my own PythonToProject 5-week Online Bootcamp. I also Speak at conferences and blog my knowledge away.

Freelance Unit Testing Developer - Yonas Woldemariam
Freelance Unit Testing Developer5.0 (58 reviews)

• More than 19 years of overall software development experience having expertise in all stages of the whole software development life cycle. • Microsoft Certified Solution Developer in .Net • Proficient in Object Oriented Analysis and Design(OOAD), Object Oriented Programming (OOP), ,design patterns, software development best practices, Agile development Methodology, and TDD • Excellent interpersonal, communication and organizational skills, productive relationships by working effectively with team members at all levels; easily adapt to new environments and with great potential to learn. • Have a great passion about technology and always try to keep up by reading tech blogs, checking out developer podcasts and webcasts, and attending developer training classes

Freelance Unit Testing Developer - David Ingle
Freelance Unit Testing Developer5.0 (17 reviews)

I am a **Staff iOS Software Developer** with 14 years of experience focused on the iOS platform. (Swift/Obj-C) *I don't take myself too seriously. Also I can make sense of code written using ChatGPT*

Freelance Unit Testing Developer - Anthony
Freelance Unit Testing Developer5.0 (2 reviews)

Dear, I'm Anthony, a fully professional **senior java engineer** (working in Financial/Banking market) and **technical lead** of an international project about Cash management in Eurozone. I'm also passionate about **Secure Coding** and AppSec, and recognized as a **Security Champion**. I daily coach junior and medior java developers and help them to growth and acquire confidence in their job and career evolution. I'm also a **Bubble.io developer** since January 2022 and a **Certified Canvas developer** from Airdev agency, a Bubble.io partner. I would be really happy to help you in your journey nor your project. Feel free to reach me. Best Regards, Anthony.

Freelance Unit Testing Developer - Jessamyn Smith
Freelance Unit Testing Developer5.0 (3369 reviews)

My availability is as shown on my calendar. Feel free to book a time! My focus is on Python/Django applications. I have theoretical and practical knowledge of computer systems engineering, including but not limited to: operating systems, databases and database design, version control, programming languages for server and client-side development and computer systems architecture.

Freelance Unit Testing Developer - Thomas Findlay
Freelance Unit Testing Developer5.0 (1259 reviews)

I have started my career as a web developer 10 years ago. I like challenges in which I can use modern tools and technologies to develop outstanding web applications in look, performance and efficiency. I specialise in Front-End web technologies - Vue, Nuxt, React, Next, and React Native for mobile applications. My Back-End stack includes Node.js with Express and Fastify, Firebase, Python, and PHP. For more details about technologies I know, see the expertise section below. **What I do in a nutshell** - Front-End/Back-End/Mobile - Consulting/Mentoring/Teaching - Sketching and Wireframe prototyping - UX/UI Design - Testing - Code reviews - Workshops **What I can help you with** **New project or features** Do you need a website or a mobile application? Or maybe you already have one, but you want to make it even better and include more features in it? I can build a website or a mobile application for you or help you with your current one. We can establish a short or long-term relationship, whichever suits your needs better. We can work on new features together via 1 to 1 sessions, or it can be done via job requests. **Code reviews/Consultancy** Do you or your team have a project but are not sure if you are following the best practices and patterns? Are you wondering how your code could be improved and be more efficient? Maybe you are about to start a new project but are not quite sure what technologies should you use or how to structure it for the best results. If that’s the case, then you came to the right person as I provide comprehensive code reviews with various suggestions on how you can improve your code and project. I can also advise you on how you can get started. **Bug fixes and issue-resolving** Bugs can be very annoying and hard to track and fix. Sometimes, you can waste hours pulling your hair out while trying to find out what is wrong. I can help you resolve your issues quickly and efficiently so you don’t waste any more time. **Tutoring/Teaching** Are you new in the world of development, or do you maybe want to learn new technologies and tools to advance in your existing career? I offer regular mentoring sessions which are suited to meet your needs and time schedule. We can start from the basics or work on any specific aspect of programming that is of your interest. **Anything else** If I did not mention something you need help with, we can still have a chat, so just drop me a message, and we will see what can be done. **Here are some things I did in the past** **React & Vue The Road To Enterprise books** Learn how to create blazing-fast, scalable, maintainable, and Enterprise-Ready applications with Vue and React. Best practices, advanced patterns, guides, tricks, and more - https://bit.ly/3pLngCg **Conferences and Workshops** **React Summit - Composition vs Configuration: How to Build Flexible, Resilient and Future-proof Components** https://portal.gitnation.org/contents/composition-vs-configuration-how-to-build-flexible-resilient-and-future-proof-components **React Advanced London - Advanced Patterns for API Management in Large-Scale React Applications** https://portal.gitnation.org/contents/advanced-patterns-for-api-management-in-large-scale-react-applications **React Workshop - How to handle APIs in React applications** https://gdg.community.dev/events/details/google-gdg-memphis-presents-react-workshop-how-to-handle-apis-in-react-applications/ **React Wednesdays: Best Practices for Testing React Apps** https://www.telerik.com/react-wednesdays/react-wednesdays-best-practices-for-testing-react-apps **CommitYourCode - React Hooks Crash Course** https://www.youtube.com/watch?v=ZDDk-coqk_8 **Vue Amsterdam - Vue Experts Panel** https://www.youtube.com/live/El8Jw2CFj7g?si=EUVzHQgAbtPNUAwq&t=5507 **Vue Amsterdam - The Case Study of Findlay Web Tech** https://youtu.be/El8Jw2CFj7g?t=4816 **Where you can find me** - [LinkedIn](https://www.linkedin.com/in/thomas-findlay/) - [Twitter](https://x.com/thomasfindlay94) - [GitHub](https://github.com/thomasfindlay)

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Frequently asked questions

How long do Unit Testing projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Unit Testing project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Unit Testing request on Codementor, check out our article.

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We don’t charge anything when you post a freelance hiring request for Unit Testing developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor Unit Testing developers different?

We do a comprehensive technical and communications screen of all Unit Testing developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Unit Testing developers’ user satisfaction rates.

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