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Mid Level Backend Developer Jobs in Williamstown, NJ

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Mid Level Backend Developer information

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$57

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How much do mid level backend developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for mid level backend developer in Williamstown, NJ is $57.13, according to ZipRecruiter salary data. Most workers in this role earn between $46.88 and $67.55 per hour, depending on experience, location, and employer.

What is a mid level backend developer?

Mid Level Backend Developers are software engineers who specialize in developing and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They usually have a few years of professional experience and are proficient in programming languages like Java, Python, Node.js, or Ruby. These developers are responsible for ensuring that data flows efficiently between the server and users, optimizing performance, and collaborating with front-end developers and other team members. Their role often includes troubleshooting server issues, writing automated tests, and implementing security best practices.

What are the key skills and qualifications needed to thrive as a mid level backend developer?

To thrive as a Mid Level Backend Developer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of server-side logic, and experience with relational and non-relational databases. Familiarity with frameworks (such as Spring or Express), RESTful API development, version control systems (like Git), and containerization tools (like Docker) is typically required. Effective problem-solving, collaboration, and clear communication are standout soft skills for this role. These abilities are crucial for building reliable, scalable backend systems and working efficiently within development teams.

What are some typical challenges a mid level backend developer might face when working on large-scale applications?

As a Mid Level Backend Developer, you may frequently encounter challenges related to maintaining code quality and ensuring scalability as applications grow. Managing database performance, optimizing API responses, and integrating with legacy systems are common tasks that require both technical skill and problem-solving ability. Collaboration with frontend developers, DevOps engineers, and QA testers is essential to ensure smooth deployments and consistent user experiences. Staying up-to-date with new frameworks and technologies, while balancing project deadlines, is also a key part of the role.

What is the difference between Mid Level Backend Developer vs Junior Backend Developer?

AspectMid Level Backend DeveloperJunior Backend Developer
Experience2-4 years0-2 years
SkillsProficient in backend frameworks, databases, API developmentBasic understanding of backend concepts, learning frameworks
ResponsibilitiesDeveloping features, troubleshooting, code reviewsAssisting in tasks, learning codebase, bug fixing
Work EnvironmentCollaborates with teams, independent problem-solving

The main difference between a Mid Level Backend Developer and a Junior Backend Developer lies in experience and skill level. Mid level developers have more hands-on experience, handle complex tasks independently, and contribute significantly to project development. Junior developers are still learning, focusing on foundational tasks and gaining industry knowledge. This distinction helps employers identify the right candidate for different stages of project involvement.

What are the most commonly searched types of Backend Developer jobs in Williamstown, NJ?

The most popular types of Backend Developer jobs in Williamstown, NJ are:

What cities near Williamstown, NJ are hiring for Mid Level Backend Developer jobs?

Cities near Williamstown, NJ with the most Mid Level Backend Developer job openings:

Mid Level Backend Developer jobs near you
Infographic showing various Mid Level Backend Developer job openings in Williamstown, NJ as of June 2026, with employment types broken down into 30% Full Time, 58% Part Time, 1% Temporary, 10% Contract, and 1% Nights. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $118,834 per year, or $57.1 per hour.

Electrical Engineer - Mid-Level

Asplundh Engineering Services, LLC

Philadelphia, PA • Hybrid

Full-time

Re-posted 6 days ago

Job description

If you are interested in providing high-end engineering consulting design, construction, maintenance, and project management services, this may be the place for you.  
Asplundh Engineering Services provides superior, full service professional engineering, engineering support, equipment procurement, and automation controls integration—from planning and design to implementation and commissioning.  AES-Ambler’s in-house panel shop allows custom control design/build manufacturing.  We have been delivering reliable design of complex electrical systems for over 20 years and are a pioneer in the development of engineering and controls automation.
Job Type: Full-Time +, Exempt       
Pay: Competitive, Salary       
Essential Functions & Responsibilities: 
  • Engineering site surveys and analysis
  • Feasibility studies
  • Load studies and energy analysis
  • Computer Aided Drafting
  • Computer Aided Drafting Quality Control
  • Detailed design of power distribution systems, including but not limited to:
    • Medium voltage  protective relaying
    • Service entrance switchboards
    • Engine generators
    • Uninterruptible power supply systems
    • Monitoring and controls systems
    • Lighting and lighting control systems
    • Fire alarm and security systems
  • Develop one-line diagrams, control schematics, and electrical & instrument diagrams (E&IDs)
  • Perform equipment selections, load calculations, control diagrams, systems narratives, commissioning planning and execution, and creating specification documents
  • Utilize basic engineering principles and practical design solutions
  • Assist in the development and review of custom designs and sequences
  • Develop and implement integrated systems testing procedures and commissioning
  • Assist with Project management to deliver projects on time and within budget
  • Work with Clients, Salesman, Managers and Engineers to coordinate project designs
  • Work with sub-consultant(s) to coordinate trades
  • Attend job meetings & coordinate activities as required
  • Attend training as requested to further enhance your duties
Minimum Qualifications: 
  • Must be 18 years of age or older
  • Ability to work accurately, with attention to detail
  • Strong verbal and written communication skills
  • Outstanding initiative, a well-organized and strong sense of responsibility
  • Proficient in AutoCAD and Microsoft Office applications
  • Possess a strong awareness of current and emerging industry standards, vendors, and technologies as they relate to the consulting engineering industry
Education & Experience: 
  • Two to five years of experience
  • BS in Electrical Engineering
  • Professional Engineer (PE) License
  • Basic knowledge of electrical design concepts and techniques
  • Experience with REVIT is an advantage
License & Certifications: 
  • Driver's License Preferred, but not required
  • Professional Engineer (PE) License
Travel: 
Occasional overnight stays and local day travel may be necessary. You will be responsible for providing your own transportation to and from the office and job sites.  You will be reimbursed for business expenses such as tolls, parking and business-related mileage at a rate allowable by government standards.  The expenses incurred traveling to and from the office are excluded from reimbursement.       
Physical Requirements: 
The employee is occasionally required to sit; climb or balance, and stoop, kneel, crouch, or crawl. The employee must frequently lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus. 
Pre-Screen: 
  • Upon offer, employees may be required to subject and pass a pre-employment drug screen, background, and/or MVR check.
About Us: 
Asplundh Engineering Services (AES) brings over 100 years of expertise to deliver top-notch engineering, design, planning, and testing services for transmission, distribution, substation, and renewable infrastructure markets across the U.S.
 
#LI-Hybrid