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Freelance Unit Testing Developer - Olajide Olanrewaju
Freelance Unit Testing Developer5.0 (293 reviews)
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I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.

Freelance Unit Testing Developer - Rajesh Dhiman
Freelance Unit Testing Developer5.0 (16 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 - Pradeep Dan Charan
Freelance Unit Testing Developer

Hey! 👋 I’m Pradeep — a **Web and Mobile App Developer with 6+ years of experience** building scalable, real-world applications. On *Codementor*, I work with: - Clients who need help building or fixing projects - Developers looking for mentorship or debugging help - Job seekers preparing for frontend roles Whether you’re launching an app, scaling a codebase, or looking to level up — I’ve got you covered.

Freelance Unit Testing Developer - shikha sinha
Freelance Unit Testing Developer5.0 (1 reviews)

Hi All, I am developer and feel I can change and develop different world by power of knowledge.

Freelance Unit Testing Developer - syed saqib ghawas
Freelance Unit Testing Developer4.9 (315 reviews)

Hello I have been working in the market for the past 10 years. in the field of Database, SQL, Oracle, SQL Server, MySQL, NOSQL,DWH,ETL ,reporting and BI tools. Have knowledge of multiples domain areas such as Finance & banking ,Telecom, health care, Tax & Legal and FMCG

Freelance Unit Testing Developer - Nick Karnik
Freelance Unit Testing Developer5.0 (57 reviews)

With over 25 years in the software industry, I bring a robust mix of hands-on engineering and management expertise. Currently, I lead the teams for Gemini Code Assist at Google, where we develop and scale backend systems and extensions for both VSCode and IntelliJ to deliver high-performance code assistance. As a startup founder and an innovator, I enjoy wearing multiple hats, diving into new technologies, and taking prototypes from rapid development to production-scale systems. Proficient in over 15 programming languages, I primarily focus on JavaScript, TypeScript, Node.js, Electron, and Web technologies, with occasional use of Python. My approach is rooted in scalable solutions and inspiring teams to deliver impactful results.

Freelance Unit Testing Developer - Ale Miralles
Freelance Unit Testing Developer5.0 (40 reviews)

Hi there! It's Ale. I'm a software engineer with nearly twenty years of experience helping companies build amazing products. I feel at home with **Ruby on Rails** and **Elixir/Phoenix**, but I’ve also delivered high-quality code in **Node**, **React**, and **Python**. Over the years, I’ve been the first technical hire, a full-stack developer, a tech lead, and pretty much everything in between. I'm used to working closely with founders and small teams, moving from Plan A to Plan B to whatever plan actually gets us across the finish line. I've helped startups build and scale web applications across finance, e‑commerce, esports, logistics, automotive, healthcare, edtech, and even the fashion industry. I have experience with high-profile web apps serving millions of users and smaller platforms with modest traffic but incredible revenue. I've helped companies launch SaaS products and ad-supported platforms in both B2B and B2C spaces. Lately, I’ve been focused on integrating AI into web apps across esports, e-commerce, and fintech. If you're building epic sh*t, don’t hesitate to reach out. Whether you're looking for a full-time hire or a part-time consultant. I'm always up for a new challenge and would love to chat. Some apps I helped build: * [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 - 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 am a tech speaker and have presented at Pycon Australia, India and Berlin Buzzwords

Freelance Unit Testing Developer - Muhammad Shafiq
Freelance Unit Testing Developer5.0 (16 reviews)

Experienced Software Engineer with a demonstrated history of working in the computer software industry. Skilled in .NET CORE, Entity Framework Core, C# , Typescript, React, Angular, Azure, Azure Activity Directory , Azure AD B2C, Azure Functions, Azure Logic Apps, Azure Cosmos DB DevOps, Databases, Dockers & Kubernetes. Software as a Service (SaaS).

Freelance Unit Testing Developer - Andrew Judd
Freelance Unit Testing Developer5.0 (116 reviews)

I am a software developer who loves to write, and read pretty code. However, sometimes that isn't always a possibility. I am not afraid to get my hands dirty and get the work that is necessary done. I have always had a passion for helping people learn. Because of that, I have picked up a few mentees at work who I have already improved their ability to code surpassing what their managers thought was even possible.

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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.

How much does it cost to hire a freelance Unit Testing developer?

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.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your Unit Testing project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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