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Mid Level React Developer Jobs in Pennsylvania (NOW HIRING)

StackandCo

Mid-Level .Net Developer

Cork, KY

\n \n \n \n \n One of my clients, a Global Cork based company who are looking to add a Mid\-Level .Net Developer to their growing software development team. The successful candidate will be designing ...

Boeing

Mid-Level DevOps Developer

Ridley Park, PA · On-site

Mid-Level DevOps Developer Company: The Boeing Company The Boeing Company is looking for a Mid-Level DevOps Developer to join the team in Hazelwood, MO; Aurora, CO; Bellevue, WA; Everett, WA; North ...

Boeing

Mid-Level DevOps Developer

Ridley Park, PA · On-site

Mid-Level DevOps Developer Company: The Boeing Company The Boeing Company is looking for a Mid-Level DevOps Developer to join the team in Hazelwood, MO; Aurora, CO; Bellevue, WA; Everett, WA; North ...

DataAnnotation

React Developer - AI Trainer

Indiana, PA · On-site +1

$60/hr

Qualifications Fluency in English (native or bilingual level). Preferred experience in Kotlin ... programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java ...

StackandCo

Mid and Senior C# .Net Developers

Cork, KY

\n \n \n \n \n We are searching for both Mid\-Level and Senior C# .Net Developers for 12 month fixed ... Experience with JavaScript, Bootstrap and either Angular or React \n * Strong understanding of OOD ...

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Mid Level React Developer information

See Pennsylvania salary details

$40.1K

$129.7K

$158.9K

How much do mid level react developer jobs pay per year?

As of May 28, 2026, the average yearly pay for mid level react developer in Pennsylvania is $129,659.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,300.00 and $157,400.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Mid Level React Developer, and why are they important?

To thrive as a Mid Level React Developer, you need strong proficiency in JavaScript, React.js, HTML, and CSS, often supported by a relevant degree or equivalent experience. Familiarity with development tools such as Git, RESTful APIs, and build systems like Webpack or Babel, as well as knowledge of testing frameworks, is typically expected. Effective problem-solving, teamwork, and communication skills help developers collaborate efficiently and adapt to evolving project requirements. These abilities are crucial for building scalable, maintainable applications that meet user needs and business goals.

What are some common challenges faced by mid-level React developers when working on larger projects, and how can they be addressed?

Mid-level React developers often encounter challenges such as managing complex component hierarchies, ensuring consistent state management, and maintaining code readability as projects scale. To address these, developers should familiarize themselves with established patterns like Redux or Context API for state management, adopt reusable component structures, and follow best practices for code organization. Regular code reviews and collaborating closely with senior developers and designers also help ensure code quality and project alignment.

What does a Mid Level React Developer do?

A Mid Level React Developer builds and maintains web applications using the React JavaScript library. They are responsible for developing user interfaces, optimizing application performance, and collaborating with designers and back-end developers to deliver seamless user experiences. Mid Level React Developers often write reusable components, manage application state, and ensure code quality through testing and code reviews. They are expected to have a solid understanding of React concepts, JavaScript ES6+, and related tools like Redux, Webpack, or Babel.
What are the most commonly searched types of React Developer jobs in Pennsylvania? The most popular types of React Developer jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for Mid Level React Developer jobs? Cities in Pennsylvania with the most Mid Level React Developer job openings:
Mid Level React Developer jobs near you
Infographic showing various Mid Level React Developer job openings in Pennsylvania as of May 2026, with employment types broken down into 96% Full Time, 2% Part Time, and 2% Contract. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $129,659 per year, or $62.3 per hour.

Mid-Level Software Engineer

Perpay - Career's Page

Philadelphia, PA

Other

Posted 3 days ago

Job description

About the Role:

We are looking for experienced Mid-level (Full Stack, Backend, Frontend) Engineers passionate about building an excellent user experience up and down the layers of an application. The ideal candidate has contributed to features on at least one sizable production application using modern frameworks within the past year. An experienced Mid-level Engineer at Perpay will spend their time writing code, reviewing PRs, and helping scope & design new features. We value Engineers who demonstrate excitement around solving tough problems and delivering solutions in a fast-paced environment.

We aim for our Engineering team to be a place that Mid-level Engineers can push our quick-growing startup forward, and grow into future Senior Engineers and Engineering leaders. The significant projects and initiatives available to our Mid-level Engineers provide opportunities to expand experience, ownership, and business value.

Much of our team is full stack, so we look for team members excited to learn new technologies and work across all stacks, even if it's not something you've done before! Our tech stack: Javascript, Typscript, React, React Native, Python, Django, Flask, Kubernetes, AWS, Docker and more.

Our greatest strength is our people and we'd love for you to be one of them!

Responsibilities:
  • Collaborate closely with the development team, including UX designers, product managers, and other Engineers, to implement solutions that meet business needs and provide the best user experience
  • Work with stakeholders to design, build, test, and release new features for our platform
  • Write clean, efficient, and maintainable code. Break down code contributions into reviewable, shippable chunks
  • Contribute to the Engineering design process by bringing forward tradeoffs and opinions
  • Identify opportunities to reduce technical debt and implement changes to improve developer experience and team velocity
  • Participate independently in on-call rotation and coordinate incident response
What You'll Bring:
  • Minimum of 2 years experience as a Software Engineer (excluding internships or coop experiences) with a focus on full stack development
  • Strong proficiency in at least one backend application framework such as Django or Flask and experience with frontend technologies such as React, Angular, or Vue.js
  • Proven experience building, deploying and maintaining scalable web applications, with knowledge of database design and management
  • Knowledge of RESTful API design and integration
  • Experience working with cloud infrastructure and containerization technologies such as AWS, Docker, and Kubernetes is preferred
  • Passion for learning new technologies and keeping up with industry trends
  • Ability to collaborate with cross-functional teams, including UX designers, product managers, and other Engineers
  • Strong communication skills and ability to articulate technical concepts to non-technical stakeholders

Hey, we know not everybody checks all the boxes, so if you're interested, please apply because you could be just what we're looking for!

Apply