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MERN Stack developers.

All senior engineers

Work in your timezone

Experience working with US companies

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Leo P.

Frontend React Developer

16 Years Experience

Previous Client

React

Redux

Javascript

HTML5

CSS3

Leo developed responsive front-end applications for the food service industry using React and Redux for efficient state management. He optimized user interfaces with JavaScript, HTML5, and CSS3, enhancing user experience and performance across digital food service platforms.

Hire a React Developer

Emiliano M.

Senior Frontend Developer

14 Years Experience

Previous Client

React

Redux

Javascript

CSS3

HTML5

Emiliano developed responsive and scalable front-end applications for government administration using React and Redux for efficient state management. He optimized user interfaces with JavaScript, CSS3, and HTML5, enhancing user experience and performance across public service platforms.

Hire a React Developer

Alma M.

Senior Offshore Developer

15 Years Experience

Previous Client

React

Redux

Javascript

HTML5

CSS3

Alma led the development of dynamic software solutions using React and Redux, enhancing state management and front-end performance. She built responsive user interfaces with HTML5 and CSS3, optimizing web applications for scalability and improving the overall user experience.

Hire a React Developer

Arturo S.

Lead Software Developer

8 Years Experience

Previous Client

React

Redux

Javascript

HTML

CSS

Arturo led the front-end development of a software platform using React and Redux, optimizing state management and improving user experience. He leveraged JavaScript, HTML, and CSS to build responsive and efficient interfaces, enhancing performance and scalability for large-scale software projects.

Hire a React Developer

Hire a MERN Stack Developer
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Many companies struggle with these
hiring challenges

Reviewing 100s of Resumes

Spending dozens of hours reviewing resumes and interviewing candidates is a huge drain on time and resources.

Projects Delayed by Months

Hiring MERN stack devs can take 5-6 months. Meanwhile, your roadmap is delayed, and growth has flatlined.

Lack of Budget + High Turnover

US MERN stack devs are expensive and tough to retain. Budget cuts make it even harder to find top talent.

Your success starts with our vetting process

01

Job Application

We receive more than 1 million applications from talented developers each year.

02

Online Tests

The most promising candidates are assigned a variety of online tests.

03

HR Interview

Next, we screen professionalism, adoptability, and communication skills with a deep-dive HR interview.

04

Written Test

If all goes well, we examine creativity and problem-solving with some written tests.

05

Technical Interview

The last step is a rigorous technical interview held by our in-house experts.

Benefits of hiring talent from Carpe Diem

Sourcing and
Vetting

All our developers are fully vetted and tested for both soft and hard skills. No surprises!

Employer of Record (EOR)

You don't have to worry about agreements with developers, their reporting, and payments. We remain the Employer of Record (EOR) and handle it all for you!

Free Support & Management

We take the responsibility of getting your projects to the finish line. You get a Free Software Architect, Free Project Manager, Free QA and Free UI/UX design so you can focus entirely on your vision and growth.

100% Satisfaction Guarantee

If you are not satisfied with your developer, we offer a 100% satisfaction and replacement guarantee to replace your developer within 48 hours.

Flexible ways
we can work with you

Our Software Developers In Your Team

Hire a MERN Stack Developer

Our Teams In Your Organization.

Hire a MERN Stack Developer

Our PM and Software Development Teams Building For You.

Hire a MERN Stack Developer

Flexible ways
we can work with you

Our Process.
Simple, Seamless, Streamlined.

Step 1

Join Strategy Call

Tell us more about your business on a strategy call. We’ll discuss team structure and approach, success criteria, timescale, budget, and required skill sets to see how we can help.

Step 2

Discuss solution and team structure.

Within 48 hours, we will finalize your project specifications, agree on an engagement model, select and onboard your team.

Step 3

Get started and track performance.

Once we’ve agreed on milestones, we’ll immediately get to work. We’ll track progress, report updates, and continuously adapt to your needs.

Trusted by 300+
Tech Decision Makers

Marshall Snider

Authenticus Clarity Marketing SMBs

Bobby Hill

Motive Digital

Cody Bishop

Offer Genius

Brian Bills

Media Optimizers

Brian Kelly

Reach Your Peak LLC

Brigitta Hoeferle

NLP

Bryan Clark & William Grader

Be Known Advertising

Andrew Sloan

B2B Business

Director - Business Launch Pro

Lehman Hailey

"Just wanted to shoot you a message and say that you have put together a great team. This is the best group I have ever worked with over my 17 years of working from home full time."

5.0

Director - Trend Lab

Yasmin George

“Your team is wonderful to work with! I got say even with some hurdles we've had, they are very communicative and having a problem solving mentally, and not to mention very polite and professional.”

5.0

Founder at Scale to Sale Consulting

Mark Crandall

"If you are looking for software, Carpe Diem is a game-changer. This is coming from someone who has never successfully implemented a tool and has been a solopreneur for 5+ years now."

5.0

Partner - Heart Of America Window Cleaning

Zack Atkeson

"We just hit an amazing milestone for Code Needs Janitorial. That's incredible! Well done, team! Haha, he was so excited and wanted to thank everyone. He’s even wondering if we can slow things down a bit!"

5.0

Long-term alignment with zero capex

Monthly
Payments

Scale your team seamlessly with a flexible monthly payment structure.

First
Month Free

Focus on your core business
from day one without any
upfront fees.

Get Started Within
48 Hours

Option to seamlessly transfer employees to your own entity when you're ready.

Providing You Tech Talent For
End to End Software Development

Custom Software Development

Create custom software for your unique needs, including front-end & back-end technology.

QA and Testing

Make your technology bulletproof with extensive manual and automated testing.

Data Science

Use leading AI, machine learning, and data engineering practices to unlock business value.

Mobile App Development

Build high-performing, scalable, and secure mobile apps for iOS and Android devices.

UX/UI Design

Create beautiful, pixel-perfect, and easy-to-use designs that delight your end users.

Platform and Infrastructure

Ensure applications are fault-tolerant & ultra-reliable with our DevOps & Security engineers.

Hire talent by role

Capabilities of MERN Stack Developers

Our developers harness the power of the MERN Stack—MongoDB, Express.js, React, and Node.js—to build dynamic, full-stack web applications. With React’s component-based architecture, Node.js for scalable server-side logic, and MongoDB for efficient data management, we craft high-performance, end-to-end solutions that ensure seamless user experiences across web and mobile platforms.

Custom MERN Stack Application Development

The MERN Stack’s powerful combination of MongoDB, Express.js, React, and Node.js enables the development of robust, full-stack applications. At Carpe Diem, our developers leverage the scalability of MERN to build high-performance web solutions with seamless user experiences, tailored to your unique business needs.

Maintenance and Upgrades for MERN Stack Applications

Continual support, updates, and performance enhancements ensure the long-term scalability of your MERN Stack applications. Our developers proactively address issues, optimize performance, and upgrade features to ensure your applications evolve seamlessly with changing business needs and technological advancements while remaining secure, stable, and efficient.

Performance Optimization

Our MERN Stack developers employ advanced techniques such as efficient database queries, server-side rendering with Next.js, and React’s virtual DOM to enhance application performance. By optimizing API calls, reducing load times, and ensuring smooth data handling, we create high-performing applications that deliver seamless user experiences while minimizing resource consumption.

Single-page Application (SPA) Development

SPAs built with the MERN Stack offer a seamless and dynamic user experience by leveraging React’s powerful front-end capabilities, Node.js for efficient server-side processing, and MongoDB for real-time data handling. At Carpe Diem, our developers specialize in crafting fast, responsive SPAs that ensure smooth navigation, minimal load times, and an engaging user interface.

API Integration and Data Fetching

Efficient API integration and data handling are crucial for real-time, dynamic web applications. At Carpe Diem, our MERN Stack developers seamlessly connect applications with RESTful APIs and GraphQL, leveraging Express.js for smooth server-side communication and MongoDB for efficient data storage. This ensures fast, reliable, and up-to-date data delivery for an enhanced user experience.

Testing and Quality Assurance

Robust testing strategies are essential for delivering reliable MERN Stack applications. Our developers utilize tools like Jest, Mocha, and Chai for unit, integration, and end-to-end testing. By rigorously validating components, APIs, and user flows, we ensure that applications remain stable, secure, and bug-free while maintaining the highest quality standards throughout development.

State Management

Effective state management is crucial for handling complex data flows in MERN Stack applications. Our developers leverage React’s Context API, Redux, and Zustand to ensure data consistency, seamless user interactions, and well-structured, high-performance applications.

Cross-platform Development with MERN Stack

React Native extends the advantages of the MERN Stack to mobile, enabling cross-platform development for both iOS and Android applications via a shared codebase. At Carpe Diem, our developers build and deploy mobile apps using React Native, ensuring a unified user experience while maintaining code consistency and high performance across devices.

Component-based Architecture

React’s component-based architecture in the MERN Stack enables modular development, clear code organization, and efficient maintenance of large-scale applications. By structuring UIs into reusable, self-contained components, our developers create scalable and maintainable applications that promote code reusability, consistency, and seamless integration across different parts of a project.

Server-side Rendering (SSR)

Incorporating server-side rendering (SSR) into MERN Stack applications enhances SEO and improves content delivery speed. At Carpe Diem, our developers utilize Next.js to pre-render content on the server, ensuring faster page loads, better search engine visibility, and a smoother user experience.

Trending Engineering Articles

How To Hire MERN Stack Developers

Demand for MERN-stack Developers Continues to Expand

How to Evaluate and Select a Skilled MERN Stack Developer

In today’s fast-paced digital world, businesses require highly skilled developers to build robust web applications. The MERN stack (MongoDB, Express.js, React, and Node.js) has gained immense popularity for its efficiency, scalability, and seamless JavaScript-based development experience. If you're looking to evaluate and select a MERN Stack Developer, follow this structured approach to ensure you find the best talent.

1. Technical Evaluation

A MERN Stack Developer should be proficient in both front-end and back-end technologies. To assess their technical expertise, consider the following methods:

Coding Tests

  • Assign tasks involving React.js component development, API integration, and database queries using MongoDB.
  • Use platforms like HackerRank, LeetCode, or Codility to test their JavaScript and Node.js problem-solving skills.

Live Coding Session

  • Ask candidates to build a simple CRUD application using the MERN stack.
  • Evaluate their ability to implement authentication (e.g., JWT or OAuth) and handle state management in React (Redux or Context API).

Code Review

  • Provide a sample MERN-based code snippet and ask the candidate to optimize it.
  • Assess their understanding of best practices in React hooks, API error handling, and database schema design.

2. Portfolio Review

Ask candidates about their previous projects:

  • Request links to GitHub repositories, live applications, or case studies.
  • Inquire about their specific contributions, particularly in React development, API creation, and database management.
  • Discuss the challenges they faced in MERN projects and their problem-solving approaches.

3. Problem-Solving and System Design

For mid-to-senior level MERN developers, include:

Architectural Design

  • Ask how they would design a scalable full-stack application using the MERN stack.
  • Evaluate their ability to optimize performance, caching strategies, and API rate limiting.

Database Design

  • Present a scenario and ask them to design a MongoDB schema, ensuring data normalization where necessary.
  • Discuss indexing, aggregation pipelines, and performance optimization techniques.

API Development

  • Ask them to outline an Express.js REST API with authentication, role-based access control, and middleware implementation.

4. Soft Skills and Cultural Fit

A great MERN Stack Developer should be able to collaborate effectively. Evaluate:

  • Communication Skills: Can they explain complex React and Node.js concepts to non-technical team members?
  • Teamwork: Have they worked in agile environments with cross-functional teams?
  • Adaptability: How do they keep up with new MERN stack trends and best practices?

5. DevOps and Deployment Knowledge

If deployment is part of the role, assess their familiarity with:

  • CI/CD Pipelines: Setting up automated deployments with GitHub Actions, Jenkins, or CircleCI.
  • Cloud Platforms: Hosting MERN applications on AWS, Vercel, Netlify, or Heroku.
  • Containerization: Using Docker to containerize MERN applications for easier deployment.
  • Monitoring & Security: Knowledge of logging, monitoring tools (like Datadog or Prometheus), and securing APIs with authentication and authorization mechanisms.

Final Steps

  • Reference Checks: Verify past experience and work ethics with previous employers or clients.
  • Trial Project: If feasible, assign a short test project that reflects real-world MERN stack challenges.

FAQ'S

How quickly can you hire with Carpe Diem?

Typically, you can hire a MERN Stack developer with Carpe Diem in about 48 hours. For larger teams of talent or Managed Delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.
Once you select your MERN Stack developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

How do I hire a MERN Stack developer?

To hire the right MERN Stack developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Carpe Diem’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect MERN Stack developers for your project.

How are Carpe Diem MERN Stack developers different?

At Carpe Diem, we thoroughly screen our MERN Stack developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Carpe Diem network each year, fewer than 3% make the cut.
In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.
When you hire with Carpe Diem, you’ll always work with world-class, custom-matched MERN Stack developers ready to help you achieve your goals.

Can you hire MERN Stack developers on an hourly basis or for project-based tasks?

You can hire MERN Stack developers on an hourly, part-time, or full-time basis. Carpe Diem can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire an expert for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our MERN Stack developers can fully integrate into your existing team for a seamless working experience.

What is the no-risk trial period for Carpe Diem MERN Stack developers?

We make sure that each engagement between you and your MERN Stack developer begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, we’ll bill you for the time and continue the engagement for as long as you’d like. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, or we can provide you with another expert who may be a better fit and with whom we will begin a second, no-risk trial.

Will you sign an NDA?

You can hire MERN stack developers on an hourly, part-time, or full-time basis. Carpe Diem can also manage the entire project from end-to-end with our team. Whether you hire an expert for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our MERN stack developers can fully integrate into your existing team for a seamless working experience.