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Mern Stack Developer Jobs in Pennsylvania (NOW HIRING)

senior .net developer

Pittsburgh, PA

$53.50 - $68/hr

NET stack (WISA, WINS) C#, WPF * Recent 1+ years of developing web application in open source stack (MEAN, MERN) * 2+ years of writing code in JS (ES6), JQuery, HTML, CSS, C# * At Least 5+ years of ...

Mern Stack Developer information

See Pennsylvania salary details

$24

$59

$86

How much do mern stack developer jobs pay per hour?

As of Jun 16, 2026, the average hourly pay for mern stack developer in Pennsylvania is $59.40, according to ZipRecruiter salary data. Most workers in this role earn between $49.38 and $68.41 per hour, depending on experience, location, and employer.

What is a Mern Stack Developer job?

A MERN Stack Developer is a software developer who specializes in building web applications using the MERN stack, which consists of MongoDB, Express.js, React.js, and Node.js. They handle both front-end and back-end development, allowing them to create full-stack applications. Their responsibilities include designing databases, developing APIs, managing server-side logic, and building user interfaces. MERN developers often work with RESTful services, authentication, and deployment processes to ensure smooth application performance.

What are the key skills and qualifications needed to thrive in the Mern Stack Developer position, and why are they important?

To thrive as a Mern Stack Developer, you need in-depth knowledge of JavaScript, especially proficiency with MongoDB, Express.js, React.js, and Node.js, alongside a relevant degree or equivalent practical experience. Familiarity with version control systems like Git, RESTful APIs, and cloud platforms such as AWS or Azure is commonly required, and certifications in web development or cloud services can be advantageous. Strong problem-solving abilities, collaboration skills, and effective communication help developers work seamlessly within agile teams. These skills are crucial for building robust web applications, adapting to changing requirements, and delivering high-quality results in dynamic tech environments.

What does a typical day look like for a Mern Stack Developer?

A typical day for a Mern Stack Developer involves designing and developing web applications using the MERN stack, collaborating with UX/UI designers, and participating in code reviews with other developers. You’ll likely split your time between writing and testing code, troubleshooting issues, and working closely with both front-end and back-end features. Regular stand-up meetings and agile sprints are common, encouraging frequent communication and feedback within your team. This fast-paced, collaborative environment supports continuous learning and provides opportunities to take on greater responsibility as you gain experience.

What are the most commonly searched types of Mern Stack Developer jobs in Pennsylvania? The most popular types of Mern Stack Developer jobs in Pennsylvania are:
Infographic showing various Mern Stack Developer job openings in Pennsylvania as of June 2026, with employment types broken down into 2% Locum Tenens, 18% Full Time, 71% Part Time, 6% Temporary, 1% Contract, and 2% Nights. Highlights an 87% Physical, 6% Hybrid, and 7% Remote job distribution, with an average salary of $123,558 per year, or $59.4 per hour.
Quality Assurance Analyst (SDET, Automated, Java, Python)

Quality Assurance Analyst (SDET, Automated, Java, Python)

Robert Half

Philadelphia, PA • On-site

$40 - $45/hr

Temporary

Posted 13 days ago


Job description

SENIOR QA ANALYST / SDET

Hybrid in Philadelphia, PA

Contract through 12/31/26 (Extensions Likely)


This role is for a Senior QA Analyst / SDET supporting a suite of modern, cloud-based applications built on a microservices architecture. The position focuses on designing and executing automated testing frameworks, validating APIs and distributed systems, and driving quality standards across the software development lifecycle within a hybrid Agile environment.


Responsibilities:

  • Design, develop, and execute automated test frameworks and scripts
  • Perform manual testing as needed, particularly in remote or edge-case workflows
  • Test REST APIs, JSON services, and backend systems using tools like Postman
  • Validate functionality across microservices and distributed architectures
  • Support automated testing for Java-based applications and middleware systems
  • Utilize scripting (Python and/or JavaScript/TypeScript) to enhance test automation
  • Collaborate with engineering, Product Owners, and QA teams in an Agile/hybrid environment
  • Participate in test planning, execution, and continuous improvement initiatives
  • Maintain and contribute to automation pipelines and CI/CD workflows
  • Track QA metrics including defects, execution results, and overall test status
  • Identify risks, monitor delivery timelines, and support mitigation strategies
  • Document and track defects while partnering with development teams for resolution
  • Perform quality audits and ensure adherence to QA standards and methodologies
  • Act as a quality advocate and provide guidance across technical teams

Qualifications:

  • 8+ years of QA testing experience
  • Strong background in QA automation / SDET practices
  • Hands-on experience with automation tools such as Playwright, Cypress, or Selenium
  • 5+ years of scripting experience (Python, JavaScript, or TypeScript)
  • Experience testing Java applications or Java middleware systems
  • Strong experience with REST API testing and JSON validation (Postman or similar tools)
  • Experience working in Agile/Scrum environments
  • Familiarity with CI/CD pipelines and automation workflows
  • Experience writing test cases, scripts, and formal test plans
  • Familiarity with test case management tools such as TestRail or similar
  • Strong analytical, troubleshooting, and problem-solving skills
  • Ability to manage multiple concurrent projects in a fast-paced environment
  • Strong communication skills with the ability to collaborate cross-functionally
  • Ability to explain technical concepts clearly (e.g., OOP vs functional programming, Java vs JavaScript)

Preferred Qualifications:

  • Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience)
  • Experience with MERN stack (MongoDB, Express, React, Node.js) or modern web application development
  • Experience working with microservices architecture and distributed systems
  • Exposure to cloud and data tools such as AWS, Athena, Redis, Postgres, and MongoDB
  • Experience with Jenkins, Splunk, Swagger, and middleware testing tools
  • Understanding of functional vs object-oriented programming concepts, including JavaScript closures
  • Experience supporting QA process improvements or acting as a quality consultant
  • Experience performing quality audits across IT functions



Robert Half logo

About Robert Half

Sourced by ZipRecruiter

Founded in 1948, Robert Half pioneered the idea of professional talent solutions to connect opportunities at great companies with highly skilled job seekers. As business needs changed, we evolved to offer specialized talent solutions for finance and accounting, technology, administrative and customer support, creative and marketing, and legal fields. In 2002, we introduced our subsidiary, Protiviti, a global independent risk consulting and internal audit service, to support companies as they faced more strategic business challenges.

Industry

Recruiting and staffing services

Company size

10,000+ Employees

Headquarters location

San Ramon, CA, US

Year founded

1948