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Top freelance Integration Testing developers available to hire
Seasoned Web Developer and Blockchain enthusiast with a proven track record in the IT and services industry. Expertise in Research, PHP, HTML, JavaScript, and Blockchain development, including Smart Contracts. Skilled in automation, application testing, and cybersecurity analysis for web and mobile apps.
Full-stack software craftsman and technical leader with over 15 years of experience. Equally adept at system design, programming, technical leadership, mentorship, and business collaboration. Have a wide breadth of technical experience, but specialize in backend API development, relational databases, and web applications. Passionate about simplicity and efficiency.
I have worked at over a dozen companies large and small, in a handful of different domains. Also participated in hundreds of interviews, about half-and-half as the interviewer and the interviewee. I have given dozens of talks and training sessions on a variety of topics, mostly focusing on distributed systems, caching, and testing.
My top skills are Java, SQL, testing, and refactoring.
I have experience with formal academic and professional mentorship, and would love to help you skill up, solve a problem, or just nerd out with you today!
Is your AI-powered MVP built on a fragile 'vibe-coded' foundation? Are you struggling to scale a prototype that was built with lightning speed but is now plagued by bugs, security holes, and technical debt?
I transform brittle AI prototypes into robust, **production-ready applications**. As a senior AI engineer specializing in the **Node.js** and **React** ecosystem, I bridge the gap between rapid, AI-assisted development and the disciplined engineering required for scalable, secure software.
But robust software is only half the battle. The other half is making it *work for your business*. I design and implement **intelligent automation workflows** that connect your apps, eliminate manual tasks, and free up your team to focus on high-impact work.
Whether you need to rescue a failing project, automate a core business process, or build a scalable MVP from the ground up, I provide the expert oversight to ensure your AI initiatives deliver real, measurable value.
**My Core Services:**
* **🤖 AI Code Rescue & Remediation:** I conduct deep **AI code audits** to debug, refactor, and secure fragile codebases (especially those built with LangChain.js). I turn unmaintainable prototypes into stable, scalable assets ready for real users.
* **⚙️ Intelligent Workflow Automation & Integration:** I design and build digital assembly lines for your business. I offer a full spectrum of automation solutions:
* **Rapid Integration:** Using **Zapier, Make.com & n8n** to connect your existing tools and solve immediate process bottlenecks.
* **Custom API Development:** Building custom **Node.js** APIs and webhooks to connect proprietary systems or handle complex logic that no-code tools can't.
* **AI-Powered Decisions:** Infusing your workflows with intelligence using the **OpenAI API** to triage support tickets, qualify sales leads, or generate content automatically.
* **🚀 Custom AI Solution Development:** I architect and build bespoke AI solutions from scratch, from **Custom GPTs** and intelligent **AI Agents** to complex RAG (Retrieval-Augmented Generation) pipelines that leverage your private data.
* **👨🏫 AI Engineer & Career Mentorship:** I provide 1-on-1 coaching to help developers navigate the AI landscape, master tools like LangChain.js, and build a successful career in AI engineering and automation.
**My Tech Stack:**
* **Languages:** Node.js, TypeScript, JavaScript
* **Frameworks:** React, Next.js, Express.js, NestJS
* **AI / LLM:** LangChain.js, OpenAI API, LlamaIndex, Vector Databases (Pinecone, Qdrant)
* **Automation Platforms:** Zapier, Make.com, n8n
Ready to move past the prototype phase and build a real business? **Send me a message with your project details or book a session to get started.**
---
### Service Packages
* **Package 1: AI Code Audit & Production-Ready Roadmap**
* **Description:** Have an AI-generated MVP that feels unstable? I'll perform a comprehensive review of your codebase. You'll receive a detailed report identifying security vulnerabilities, performance bottlenecks, and a concrete, actionable roadmap to make your application **production-ready**. This is the perfect first step to de-risk your project.
* **Package 2: Intelligent Automation Workflow**
* **Description:** Let's put a core business process on autopilot. We'll map out a high-impact workflow and I'll build a robust automation to solve it. Ideal for **automating lead qualification**, **triaging customer support tickets**, or **streamlining content pipelines** using the best tool for the job—Zapier, Make, or custom Node.js scripts.
* **Package 3: Scalable AI MVP Development**
* **Description:** Need to build an MVP the *right* way? I'll architect and develop a **scalable MVP** from day one, using professional, spec-driven development practices. We'll build a strong foundation with clean, documented code and a modern stack (Node.js, React) to avoid the technical debt that plagues "vibe-coded" projects.
Software Developer with over 6 years of experience specializing in back-end engineering. Proven ability to design and build resilient, scalable micro-services using Java, Spring Framework, and cloud-native technologies. Consistently delivers high-performance software that enhances user experience and drives operational efficiency. Open to new challenges in Software Engineering roles.
I have experience in Python for more than 10+ years. I have been using Python in Embedded systems. I have experience in Making Test setup for various Embedded device for automation testing.
About
Ramiz is a senior mobile engineer with 12+ years of professional experience building high-quality mobile applications across Android, iOS, React Native, and Flutter. He has deep expertise in native Android development using Kotlin and Java and is a Google Certified Associate Android Developer.
He has contributed to large-scale production apps, including the Plume B2B Android application, where multiple product flavors are actively used by 10+ businesses, and Unified Remote, an Android app with 1.5+ million installs worldwide.
Beyond Android, Ramiz has strong hands-on experience in native iOS development using Swift, having shipped multiple production apps end-to-end — from Figma-based UI implementation to App Store deployment and post-release maintenance. He has extensive experience integrating Firebase services such as Authentication, Firestore, Remote Config, Cloud Messaging, Crashlytics, and ML features into live applications.
He also brings solid cross-platform experience with React Native and Flutter, having delivered production-ready apps and SDKs, built scalable architectures, and collaborated closely with design and backend teams. His Flutter experience includes Riverpod, GetX, GoRouter, and Dio, while his React Native work spans both application development and SDK maintenance.
Ramiz is known for writing clean, maintainable code, taking full ownership of delivery, and building stable, performance-focused apps that provide real value to users.
Polyglot programmer with experience in developing and delivering end-to-end software which includes development and deployment.
**Agile Software Engineer and Certified Kubernetes Application Developer**.
My mantra is to
```Learn as much as you can```
Things in which I can help you out with:
- **System design**
- **Best coding practices**
- **Micro-services Architecture**
- **Some DevOps magic**
- **Kubernetes Application Developer**
- **Job Preparation**
- **Career progression**
- **Study Assignments**
I will help you out in integrating any technology easier and faster. I have this belief to make the code as simple as possible which can be easily understandable by many.
Building software has always been a passion of mine. This is still true after almost 15 years of experience in various environments and business sectors. I've never really considered it work but "problems to solve". Yes, I love puzzles or anything that requires you to turn your head around.
Passion also means curiosity and hunger for knowledge. I regularly read blogs, articles, and books and practice katas by myself. Some of my favourite authors are Robert C. Martin (aka Uncle Bob) and Mark Seemann. Continuous improvement is a mindset I consider essential.
If I had to pick one priority when building a product, I would choose quality. This has always been what I put first. I'm not satisfied when "It Works", it must also be done well.
I always tried to improve the team I joined wherever I've been. Whether by providing experience, a fresh eye, ideas, or mentoring younger peers.
About mentoring, sharing knowledge represents a key aspect of my participation in a team. I do believe that knowledge is useless if you keep it to yourself. We need to use our knowledge to teach and inspire others, the same way others have inspired us.
Putting this all together, it’s quite clear I advocate Software Craftsmanship. Hearing about this ideology for the first time has been one of the biggest milestones in my career. It is the perfect match for what I consider important in terms of mindset. Since then, I’ve continuously tried to spread the ideology by sharing ideas and methodologies.
Feel free to take a look at my GitHub account: https://github.com/Tr00d
You'll find katas I do for fun or coaching purposes, but you'll mostly see how I code.
I have been working in .net and javascript since 2008. I am a senior developer looking to mentor students and other new programmers. Let me help you understand the things that are driving you crazy.
Dynamic and articulate Technical Program Manager with over two decades of experience in the Software Development space, primarily serving the Education, Government, and Legal Industries. Intimately familiar with both Proprietary and Open Source Application & Reporting environments, bolstered by a strong background in Network, Server & Security administration.
Proven knowledge leader and detailed Systems Design Analyst, offering unique strategy and change management techniques toward significant organizational performance and efficiency improvement gains. Provides collaborative tailor-designed solutions from concept to launch, artfully applying industry Best Practices to boost innovation and facilitate Organic Collaboration and Ideation.
Continuous Process and Systems Improvement Specialist seeking creative teams. Over 15 years of experience as a Remote First worker and leader in the [Remote](https://www.remotelyone.com/) workers community. Member of the 2020 [Tulsa Remote](https://www.tulsaremote.com/) Workers Program cohort. In off-time, mentors and administers the [Drupal Developers Club](https://facebook.com/groups/drupaldevclub), engages in the [Drupal Slack](https://drupal.slack.com/) workspace, serves on the leadership team for the yearly [MidCamp](https://www.midcamp.org/) event, acts as the Intern Coordinator for [Drupal 4 Gov](https://drupal4gov.us/), and runs the growing [Digital Career Sandbox](https://www.linkedin.com/groups/14421975) community on LinkedIn.
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Frequently asked questions
How long do Integration 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 Integration 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 Integration Testing request on Codementor, check out our article.
How much does it cost to hire a freelance Integration Testing developer?
We don’t charge anything when you post a freelance hiring request for Integration 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 Integration Testing developers different?
We do a comprehensive technical and communications screen of all Integration 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 Integration 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 Integration 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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