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Mid Level Frontend Developer Jobs in Riverside, NJ

Sr. Software Engineer

Camden, NJ · On-site

$110K - $125K/yr

Summary We're looking for a mid-level Software Engineer who enjoys building the connective tissue ... Contributes to front-end features using JavaScript frameworks (React). Additional Responsibilities

Sr. Software Engineer

Camden, NJ · On-site

$110K - $125K/yr

Description Summary We're looking for a mid-level Software Engineer who enjoys building the ... Contributes to front-end features using JavaScript frameworks (React). Additional Responsibilities

Summary We're looking for a mid-level Software Engineer who enjoys building the connective tissue ... Contributes to front-end features using JavaScript frameworks (React). Additional Responsibilities

Mid-Level Civil/Water Resources Engineer

Mount Laurel, NJ · On-site

$78K - $107K/yr

We are offering an exciting opportunity for a Water Resources Engineer with transportation engineering project experience in the Fluvial and Coastal environment to join our Mt. Laurel, NJ, Office. H ...

Showing results 41-60

Mid Level Frontend Developer information

See Riverside, NJ salary details

$42.9K

$111.5K

$157.1K

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

As of Aug 15, 2026, the average yearly pay for mid level frontend developer in Riverside, NJ is $111,516.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,000.00 and $122,200.00 per year, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a mid level frontend developer?

To thrive as a Mid Level Frontend Developer, you need strong proficiency in HTML, CSS, JavaScript, and modern frontend frameworks like React or Angular, along with a relevant degree or equivalent experience. Familiarity with version control systems (such as Git), build tools, and testing frameworks is typically required. Effective problem-solving, attention to detail, and clear communication are essential soft skills for collaborating with designers and backend developers. These skills ensure the delivery of high-quality, user-friendly web applications that meet both technical and business requirements.

What are common challenges a mid level frontend developer faces when integrating with backend services, and how can these be managed?

Mid Level Frontend Developers often encounter challenges such as handling inconsistent API responses, managing asynchronous data flows, and ensuring seamless communication between the frontend and backend. To address these issues, it's important to collaborate closely with backend developers, maintain clear API documentation, and use tools like Postman or Swagger for testing. Additionally, implementing robust error handling and utilizing state management libraries can help ensure a smooth user experience and efficient debugging.

What is a mid level frontend developer?

Mid Level Frontend Developers are professionals with a few years of experience building and maintaining the user-facing parts of websites or web applications. They are proficient in HTML, CSS, and JavaScript, and often work with frameworks like React, Angular, or Vue.js. Mid level developers are capable of taking on more complex features and tasks independently, collaborating with designers and backend developers, and contributing to code reviews and project planning. They bridge the gap between junior and senior roles by demonstrating problem-solving skills, code quality, and a good understanding of best practices.

What cities near Riverside, NJ are hiring for Mid Level Frontend Developer jobs?

Cities near Riverside, NJ with the most Mid Level Frontend Developer job openings:

Mid-Level Civil/Environmental Engineer

Carollo Engineers Inc.

Philadelphia, PA • On-site

Full-time

Medical, Life, Retirement, PTO

Re-posted 5 days ago


Job description

Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges.

We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities.

Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo.


  • Work on projects related to municipal water/wastewater treatment plants, distribution/collection systems, and pumping facilities
  • Projects related to master planning, asset management, condition assessments, infrastructure improvements, water quality studies, treatment plant rehabilitation and expansions, and critical water reuse projects that will create sustainable and resilient water supplies
  • Performing civil engineering work in water and wastewater treatment facilities and conveyance infrastructure.
  • Work on engineering planning and design projects and performs conceptual and preliminary design activities including site visits, overseeing fieldwork, alternatives analysis, and report preparation.
  • Develop civil engineering plans and specifications.
  • Prepare cost estimates for various water and wastewater projects.
  • Prepares technical memoranda, reports, and electronic deliverables.
  • Assist with coordinating sub-consultant work.
  • Coordinate the work of other engineering disciplines, designers, modelers, technicians, and others who assist in specific assignments.
  • Review contractor submittals for conformance with contract plans and specifications and evaluate requests for information as part of engineering services during construction.
  • Participate in field activities such as pilot testing.
  • Permitting and alternative analysis.
  • Assists project managers with permitting submittals for treatment facilities and infrastructure projects including coordination with various governmental agencies.
  • Participates in field activities and site reconnaissance.

  • Bachelor’s Degree in Civil or Environmental Engineering or related field.
  • 6 to 12 years of directly relevant experience in water and wastewater engineering.
  • Registration as a Professional Engineer.
  • Application of engineering principles including critical thinking, analysis, and innovative techniques.
  • Strong verbal and written communication skills with clients and project teams.
  • Work well in a team environment.
  • Highly motivated, articulate, and self-starting.

  • Master’s degree in Civil or Environmental Engineering or related field.
  • Active in professional associations.

An employee’s pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.


Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available.  Eligibility for benefits varies based on employment status.

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