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Java Developer Co Op Jobs in Waterloo, ON (NOW HIRING)

GEI Consultants

Water/Wastewater Designer

Guelph, ON

CA$70K - CA$80K/yr

A Diploma or Degree in Civil Engineering Technology, Environmental Engineering, or related discipline. * 1-3 years of relevant experience in civil, water, or wastewater design (co-op experience ...

ATS Automation

Mechanical Designer

Cambridge, ON

CA$36.53 - CA$50.24/hr

Perform engineering calculations for machine and tool designs, including strength, speed ... Oversee co-op students and Junior Designers on various projects. * Adhere to ISO procedures and ...

Samuel

Group Lead, Mechanical Design

Waterloo, ON

CA$50.46 - CA$67.08/hr

Mechanical Engineering Design & Support: Provide technical leadership, mentoring, and supervision ... Conduct performance evaluations for junior team members and co-op students assigned to their group ...

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

As of May 29, 2026, the average hourly pay for java developer co op in Waterloo, ON is $38.54, according to ZipRecruiter salary data. Most workers in this role earn between $18.60 and $53.79 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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Water/Wastewater Designer

Water/Wastewater Designer

GEI Consultants

Guelph, ON

CA$70K - CA$80K/yr

Full-time

PTO

Posted 13 days ago

Job description

Description

Your role at GEI.
 
GEI Consultants Canada is seeking a Junior Water/Wastewater Designer to join our growing Water & Wastewater team in the Guelph office. This is an opportunity for an early‑career engineer or technologist to build hands-on experience in the planning, design, and delivery of water and wastewater distribution, collection, and treatment systems that support healthy, sustainable communities across Southwestern Ontario.
 
Working alongside experienced engineers, technologists, and multidisciplinary project teams, you will contribute to design development, technical drawings, approvals, and project coordination, while gaining hands-on experience in a wide range of water and wastewater infrastructure projects.
 
This role offers opportunities to build skills in AutoCAD, Civil 3D, Revit, hydraulic modelling, design calculations, and permitting processes, along with exposure to fieldwork, construction‑phase engineering, and multidisciplinary collaboration. You’ll develop a strong foundation in decentralized and municipal system design and be well positioned to grow into more advanced design and project coordination responsibilities.
 
Essential Responsibilities & Duties
  • Assist in the design and drafting of water and wastewater distribution, collection, and treatment systems under the guidance of senior engineers, designers, and technicians.
  • Prepare and update engineering drawings, plans, and layouts using AutoCAD, Civil 3D, and Revit software.
  • Participate in field investigations to support design decisions and understand system operation and performance.
  • Collect, organize, and document water and wastewater system data for analysis and reporting.
  • Contribute to technical reports, design briefs, regulatory submissions, and tender packages.
  • Collaborate with internal project teams to ensure design accuracy, consistency, and quality.
  • Support construction administration and site inspection activities when required.
  • Build technical and design skills through hands‑on project work, mentorship, and exposure to a variety of water and wastewater infrastructure systems. 
Minimum Qualifications
  • A Diploma or Degree in Civil Engineering Technology, Environmental Engineering, or related discipline.
  • 1–3 years of relevant experience in civil, water, or wastewater design (co-op experience considered an asset).
  • Proficiency with AutoCAD, Civil 3D, and/or Revit for preparing engineering drawings.
  • Familiarity with water and wastewater infrastructure systems is considered an asset.
  • Strong organizational, communication, and problem-solving skills.
  • Ability to work effectively in a collaborative team environment.
  • Proficiency with Microsoft Office Suite.
  • A valid driver’s license and willingness to travel to project sites when required.
  • Interest in developing technical expertise and growing within the water/wastewater field.
  • Physical and environmental requirements for this position are available upon request.
    We are GEI. 
     
    Some of the world’s most pressing problems – from climate change to sustainable development, to critical infrastructure and the future of our energy supply – need our brightest and diverse minds working together to create safer, more resilient communities for tomorrow.  
     
    We are technical experts, collaborators, and entrepreneurs who draw from diverse backgrounds to solve our clients’ most complex challenges.
     
    With several offices across North America, we offer a range of engineering, science, and technical consulting services. Our range of expertise, project types, and culture make us the choice for top talent in the AEC industry. See all our office locations here.
     
    In 2023, GEI merged with GM BluePlan, an Ontario-based engineering, management, and technology consulting company. The merger adds GM BluePlan’s nationally recognized expertise in asset management and infrastructure planning to the GEI family, furthering our growth and expansion in Canada.  
     
    Employee-owned. Employee-focused.  
     
    As an employee-owned company, our employees support our flat leadership structure, have a say in how our business operates and benefit from our financial success. We are committed to employee growth with career development opportunities, competitive total rewards, a well-being program, flexible work arrangements and more.  Our company culture is driven by our 4 Cs – we are Client-Centered, Curious, Collaborative, and Community Minded – which support our focus on sustainability, safety, diversity, equity and inclusion. Get to know us better by visiting GEI’s career site here.
     
    Young Professionals Committee
     
    As a Young Professional (YP) at GEI, you will have access to a program designed by fellow YPs to help you grow and feel connected within the company. The YP program fosters community building, networking, and offers exclusive career development opportunities. With a wide range of initiatives from Lunch & Learns with senior staff to cross-office social events, the YP program offers a supportive platform to learn, lead, and thrive at GEI.
     
    GEI’s Total Rewards Package Includes 
    • Market-Competitive Compensation, including Eligibility for an Annual Performance Bonus 
    • Comprehensive Benefits Program including Health Care and Wellness Spending Accounts
    • Hybrid Work Schedules and Cell Phone Stipends 
    • GEI University (GEIU) with Continuing Education Assistance and Tuition Reimbursement 
    • Connecting Conversation Program with a Focus on Professional Development and Opportunities for Advancement 
    • Support and Financial Rewards for Publication Awards, Professional Dues, and Professional Licenses 
    • Paid Holidays and Generous Paid Time Off Program 
    • Rewards and Recognition 
    • RRSP Program 
    • Opportunity to be an Owner and Shareholder  
    • A Vibrant Culture that is Focused on Partnership, Sustainability, Giving Back to Our Communities and Diversity, Equity and Inclusion 
    • And More… 
    GEI is an equal opportunity employer committed to diversity and inclusion. We consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, Aboriginal/Indigenous status or any other factors considered discriminatory. If you require an accommodation during the recruitment process, we will work with you to meet your needs.

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