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Mid Level React Developer Jobs in Massachusetts (NOW HIRING)

MAPFRE

Engineer III (Frontend)

Webster, MA · On-site

$120K - $150K/yr

... React, and Java. * Experience working on complex projects, and demonstrably leading and mentoring junior and mid-level engineers required. * Guidewire experience or certification a plus. Why Mapfre?

NESC Staffing

CNC Programmer / Machinist

Lawrence, MA · On-site

$27.75 - $38/hr

CNC Programmer / Machinist This is an ideal position for a mid level Programmer / Machinist who want to use his/her existing skills and progressively learn more of the trade.

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All JobsMid Level React Developer JobsMid Level React Developer Jobs in Massachusetts

Mid Level React Developer information

See Massachusetts salary details

$43.7K

$141.3K

$173.1K

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

As of Aug 8, 2026, the average yearly pay for mid level react developer in Massachusetts is $141,264.00, according to ZipRecruiter salary data. Most workers in this role earn between $115,800.00 and $171,500.00 per year, depending on experience, location, and employer.

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 key skills and qualifications needed to thrive as a mid level React developer?

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 are the most commonly searched types of React Developer jobs in Massachusetts? The most popular types of React Developer jobs in Massachusetts are:
What cities in Massachusetts are hiring for Mid Level React Developer jobs? Cities in Massachusetts with the most Mid Level React Developer job openings:
Mid Level React Developer jobs near you

Engineer III (Frontend)

MAPFRE

Webster, MA • On-site

$120K - $150K/yr

Full-time

Medical, Retirement, PTO

Re-posted 10 days ago

Job description

Summary:
Software engineers apply engineering principles and knowledge of programming languages to build software solutions for end users. Design, development, testing, and maintenance of software applications. Be part of a cross-functional team that includes other software engineers, as well as part of the product team. Have more autonomy and ownership over your work and make decisions and take actions based on customer feedback and data.
Responsibilities:
  • Leads and mentors junior and mid-level engineers, providing technical guidance, fostering a culture of continuous learning, and promoting knowledge sharing within the team.
  • Designs and implements complex software solutions, considering scalability, maintainability, reusability, and adherence to architectural best practices.
  • Continuously identifies opportunities to reduce technical debt through code refactoring, architecture improvements, and advocating for technical best practices.
  • Collaborates effectively with other engineers, architects, and stakeholders to ensure efficient design solutions and knowledge sharing.
  • Creates clear, concise, and comprehensive technical specifications for complex software systems.
  • Evaluates and recommends new technologies for adoption and implementation, considering their suitability for project requirements and long-term technical vision.
  • Stays up-to-date with emerging technologies relevant to the role and actively participates in knowledge-sharing initiatives.
  • Ensures software quality by identifying and rectifying defects while validating software specifications.
  • Develops and executes quality control processes to meet established quality standards.

Qualifications:
  • Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related field required.
  • 5-7 years of experience in a relevant programming language and basic software development principles.
  • Front end experience required, including Jutro, React, and Java.
  • Experience working on complex projects, and demonstrably leading and mentoring junior and mid-level engineers required.
  • Guidewire experience or certification a plus.

Why Mapfre?
As a global insurance leader with a strong local presence, we offer more than a job - we provide a purpose-driven career where your growth, well-being, and impact truly matter.
Purpose & Culture: Join a company built on trust, collaboration, and inclusion. Our values guide everything we do, creating a workplace where people feel respected and empowered.
Comprehensive Benefits: Enjoy competitive health coverage, retirement plans, paid time off, flexible work options, and lifestyle perks like employee discounts.
Career Growth: Advance your skills through tuition reimbursement, leadership programs, and internal mobility opportunities. Your development is our priority.
Social Responsibility: Contribute to meaningful initiatives through Fundación Mapfre, supporting communities and sustainability worldwide.
Pay Philosophy: The typical starting salary range for this role is determined by several factors including skills, experience, education, certifications, and location. Some roles at Mapfre are eligible for commission and/or bonus earnings, in addition to salary, calculated based upon factors set forth in the compensation plan for the role.
Salary Range
$120,000 - $150,000
If you require an accommodation for a disability so that you may participate in the selection process, you are encouraged to contact the Mapfre Insurance Talent Acquisition team at talentacquisition@mapfreusa.com.
We are proud to be an equal opportunity employer.

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