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Java Developer Co Op Jobs in Philadelphia, PA (NOW HIRING)

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Java Developer Co Op information

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How much do java developer co op jobs pay per hour?

As of May 30, 2026, the average hourly pay for java developer co op in Philadelphia, PA is $57.21, according to ZipRecruiter salary data. Most workers in this role earn between $49.47 and $64.04 per hour, depending on experience, location, and employer.

What is a Java Developer Co Op job?

A Java Developer Co-Op job is a temporary, paid position for students or recent graduates who want hands-on experience in Java development. Co-op students work with a team of developers to design, test, and maintain Java-based applications. They gain practical knowledge in coding, debugging, and software development best practices while contributing to real-world projects. This role helps bridge the gap between academic learning and professional work, preparing candidates for full-time software development roles.

What are the key skills and qualifications needed to thrive in the Java Developer Co Op position, and why are they important?

To thrive as a Java Developer Co Op, you need a solid understanding of Java programming, object-oriented design principles, and foundational knowledge in software development, often supported by coursework or relevant project experience. Familiarity with version control systems like Git, IDEs such as IntelliJ or Eclipse, and basic knowledge of databases or web development frameworks are common requirements. Effective communication, eagerness to learn, and strong problem-solving skills help you adapt quickly and work well within a team environment. These competencies ensure you can contribute to real-world projects, collaborate with experienced developers, and gain valuable hands-on experience during your co-op term.

What types of projects or tasks will I typically work on as a Java Developer Co Op?

As a Java Developer Co Op, you can expect to support ongoing software development projects by writing and testing code, fixing bugs, and assisting in the design or implementation of new features. You may work on both backend and frontend components, collaborate with senior developers during code reviews, and contribute to team meetings or agile sprints. Your work might include developing internal tools, creating automation scripts, or participating in the documentation process. This hands-on experience is designed to give you exposure to industry best practices and the full software development lifecycle while building your professional skills.
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Co-op Engineer: Track Design/Rail - Fall/Winter 2026-2027

Co-op Engineer: Track Design/Rail - Fall/Winter 2026-2027

HNTB Corporation

Philadelphia, PA • On-site

Full-time

Posted 17 days ago


HNTB rating

9.2

Company rating: 9.2 out of 10

Based on 21 frontline employees who took The Breakroom Quiz


Job description

What We're Looking For
With more than 100 years of profitable sustainable growth, HNTB is one of the most prominent engineering, architecture and planning firms in the nation. Employee-owned, with more than 6,000 employees and 70+ offices nationwide, HNTB serves clients in the rail/transportation industry with integrity, technical excellence and a commitment to performance providing quality work, on time, on budget and to the client's satisfaction. HNTB's project portfolio includes: Brightline (Miami, Florida), Sound Transit's University Link Light Rail Extension (Seattle, WA), Tappan zee Bridge (Nyack, New York), and 49ers Levi's Stadium (Santa Clara, CA).
Our Philadelphia, PA office is seeking a Co-op Engineer to join our Rail/Track Department.
Job Summary: Under one-on-one guidance from engineers, co-op engineers perform basic engineering-related tasks which may reflect elements of standard post-secondary engineering curriculum to create construction plans. Designs include passenger and transit systems around the country including planning studies, state of good repair and high speed rail design. Our team designs key infrastructure investments for multiple passenger rail authorities (Amtrak, SEPTA, MNR, MBTA, MARC, etc.) along the Northeast Corridor and across the US in our multidisciplinary office environment. Our Track Team's notable past and on-going projects include Amtrak Susquehanna River Bridge Replacement Project 160 MPH Track Design (Havre de Grace, MD), SEPTA King of Prussia Rail Extension (Philadelphia, PA), and PATCO Ben Franklin Bridge Track Rehabilitation (Philadelphia, PA).
Aspects of the position include:
* Assist in preparation of design documents for trackwork, including alignments, drainage, grading and estimates
* Learning environmental mitigation
*Learning basic transit and high speed rail design and construction fundamentals
*Participate in field visits or client meetings
* Opportunity to develop CAD drafting skill set
*Perform other duties as assigned.
Relocation and housing are NOT provided for these positions.
What You'll Do:
  • Assists engineer teams in various tasks and duties.
  • Assists Engineer with research, development and design of projects.
  • Assists Engineer with the preparation of engineering drawings and documents as assigned.
  • Performs other duties as assigned.

What You'll Need:
  • High School Diploma/GED or equivalent plus current enrollment in an accredited post-secondary engineering program

What You'll Bring:
  • Understands engineering, geometric, and algebraic principles at a basic level.
  • Shows proficiency with Microsoft Office Suite.
  • Accepts and applies direction from peers and supervisors.
  • Obtains an understanding of introductory shop drawing and submittal procedures and requirements.
  • Ability to perform basic engineering calculations
  • Ability to organize information for use in drawings or other documents

What We Prefer:
  • Completion of 2 years of post-secondary Civil, Electrical or Mechanical engineering program
  • Basic knowledge of a drafting software (AutoCAD, Microstation, OpenRail, OpenRoads, OR REVIT)
  • Interested in track and/or railroad design

Additional Information
Click here for benefits information: HNTB Total Rewards
Click here to learn more about Equal Opportunity Employer/Disability/Veteran
Visa sponsorship is not available for this position.
#MZ
#TransitAndRail
Locations:
King of Prussia, PA (Geerdes), King of Prussia, PA (Norristown), Philadelphia, PA (Pennsylvania)
NOTICE TO THIRD-PARTY AGENCIES:
HNTB does not accept unsolicited resumes from recruiters or agencies. Any staffing/employment agency, person or entity that submits an unsolicited resume to this site does so with the understanding that the applicant's resume will become the property of HNTB. HNTB will have the right to hire that applicant at its discretion and without any fee owed to the submitting staffing/employment agency, person or entity. Staffing/employment agencies who have fee agreements with HNTB must submit applicants to the designated HNTB recruiter to be eligible for placement fees.

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About HNTB

Sourced by ZipRecruiter

At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of employee-owners.

Company size

1,001 - 5,000 Employees

Headquarters location

Kansas City, MO, US

Year founded

1914