Java UI Developer Co-op

📍 Job Overview

Job Title: Java UI Developer Co-op

Company: Marmon Holdings, Inc.

Location: Oakville, ON, Canada

Job Type: PART_TIME, INTERN

Category: Software Development / IT Operations

Date Posted: April 30, 2026

Experience Level: 0-2 Years (Co-op/Internship)

Remote Status: On-site

🚀 Role Summary

• This co-op role focuses on the development and maintenance of internet, intranet, and extranet-based applications, emphasizing UI development with a strong foundation in Java.

• Responsibilities include programming, testing, documentation, and providing technical support, aligning with IT function objectives for system-level operations.

• Candidates will engage with a variety of web technologies and development tools, contributing to service application development and business requirement analysis.

• This is a learning role, designed for individuals with 1-2 years of experience seeking practical exposure to software development within a large industrial organization.

📝 Enhancement Note: This role is identified as a "Co-op" and "Intern" position, indicating it's an entry-level opportunity for students or recent graduates. The focus on "UI Developer" suggests a blend of front-end and back-end responsibilities, common in smaller teams or for foundational roles. The description emphasizes a learning environment under close supervision.

📈 Primary Responsibilities

• Develop, program, and maintain web-based applications (Internet, intranet, extranet) utilizing technologies such as Java, C++, XML, and HTML.

• Execute comprehensive test plans to identify and resolve software defects, documenting results for senior staff review.

• Provide direct technical support to internal and external clients, addressing issues related to application functionality and performance.

• Collaborate with senior developers and IT personnel to analyze business requirements and translate them into technical specifications for new service applications.

• Maintain application documentation and assist in system administration tasks, adhering to established standards for cost management and continuity.

• Research and stay updated on emerging web technologies to contribute to the technical leadership and innovation within the IT team.

📝 Enhancement Note: The core responsibilities are framed around application development lifecycle stages, from initial programming and testing to ongoing support and documentation. The emphasis on "learning role" and "close supervision" implies a structured approach to skill development and task assignment for interns.

🎓 Skills & Qualifications

Education: While not explicitly stated, co-op roles typically require current enrollment in a post-secondary program (e.g., Bachelor's or Diploma) in Computer Science, Software Engineering, Information Technology, or a related field.

Experience: 1-2 years of experience in software development, which can include academic projects, personal projects, or previous internships.

Required Skills:

• Proficiency in Java programming language.

• Familiarity with front-end development technologies: HTML, XML.

• Understanding of back-end development concepts and languages like C++.

• Experience with web development tools and frameworks.

• Basic knowledge of database interactions and data modeling principles.

• Ability to execute test plans and document findings.

• Strong problem-solving and analytical skills.

• Excellent communication and interpersonal skills for technical support and collaboration.

Preferred Skills:

• Experience with CGI and ASP scripting.

• Familiarity with multimedia application development.

• Exposure to network technologies.

• Understanding of IT system administration principles.

• Knowledge of software maintenance best practices.

📝 Enhancement Note: The skills listed are a direct extraction from the provided description, with an emphasis on core programming languages and web technologies. The "1 to 2 years of experience" is interpreted as a broad range for co-op/intern candidates, encompassing foundational knowledge and practical exposure.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrations of Java-based application development, showcasing UI/UX implementation.

• Examples of code written for web technologies (HTML, XML) and back-end logic.

• Case studies or project summaries detailing problem-solving approaches in development.

• Documentation samples from academic or previous work projects, illustrating technical writing skills.

Process Documentation:

• Ability to document code and application functionality clearly and concisely.

• Understanding of testing methodologies and the process of executing test plans.

• Familiarity with workflow documentation for application development and maintenance.

📝 Enhancement Note: For a co-op role, a formal "portfolio" might not be as extensive as for a full-time position. The emphasis here is on showcasing practical application of learned skills through academic projects, personal coding endeavors, or prior internship work, with a focus on demonstrating understanding of development processes.

💵 Compensation & Benefits

Salary Range: For a co-op/intern position in Oakville, Ontario, Canada, the estimated hourly wage typically ranges from CAD $18 to $25 per hour. This is based on industry benchmarks for student positions in technology roles, considering the experience level (0-2 years) and the cost of living in the Greater Toronto Area.

Benefits:

• Valuable work experience in a large, global industrial organization (Marmon Holdings, a Berkshire Hathaway company).

• Opportunity to work with diverse technologies and contribute to real-world projects.

• Mentorship and guidance from experienced IT professionals.

• Exposure to corporate IT functions and system development processes.

• Potential for networking within a large organization.

• Learning and skill development in Java UI development.

Working Hours: This is a part-time role, likely aligning with standard business hours for a co-op placement, potentially around 20-40 hours per week. Specific daily schedules will be arranged with the hiring manager.

📝 Enhancement Note: Salary is estimated based on typical co-op/intern rates in Canada for technology roles. Benefits focus on the learning and development aspects, common for these types of positions. The number of working hours is derived from the "PART_TIME" employment type.

🎯 Team & Company Context

🏢 Company Culture

Industry: Industrial Manufacturing and Services. Marmon Holdings operates a diverse portfolio of businesses, with Procor Limited specializing in railcar manufacturing, leasing, and repair services. This provides a context of a stable, established industry with a need for robust internal IT systems.

Company Size: Marmon Holdings is a large, global organization with thousands of employees across its various companies. Procor Limited itself likely operates with a significant workforce. This scale implies structured IT departments and established processes.

Founded: Marmon Holdings was founded in 1953. Procor Limited has a long history within the rail industry. This longevity suggests a culture of stability, experience, and potentially a blend of traditional and modern operational practices.

Team Structure:

• The role is part of the IT function, specifically within a team responsible for internal systems and applications.

• This team likely includes software developers, system administrators, and IT support personnel, working collaboratively.

• The co-op developer will report to a senior IT member or a team lead, receiving direct supervision and guidance.

Methodology:

• Emphasis on following established development standards and best practices, especially for a co-op role.

• Approach to problem-solving will involve analyzing business requirements and applying technical solutions.

• Focus on delivering functional and well-documented applications that meet user needs.

• Iterative development and testing cycles are expected.

Company Website: https://www.marmon.com/ (Marmon Holdings), https://www.procor.com/ (Procor Limited)

📝 Enhancement Note: The company context is derived from the provided Marmon Holdings information and the specific Procor URL. The culture is inferred to be stable, experienced, and process-oriented, suitable for a learning co-op role. The team structure emphasizes mentorship and collaboration within the IT department.

📈 Career & Growth Analysis

Operations Career Level: This is an entry-level co-op/internship position, aimed at individuals beginning their careers in software development. It provides foundational experience in building and maintaining business applications.

Reporting Structure: The Java UI Developer Co-op will report to a senior IT professional or a manager within the IT department, working closely under their guidance and supervision.

Operations Impact: While direct impact on revenue may be limited due to the co-op nature, the role contributes to the efficiency and functionality of internal IT systems. Successful application development and support can improve operational workflows and data management for various business units.

Growth Opportunities:

• Skill Development: Deepen proficiency in Java, UI development, and other web technologies. Gain practical experience in the software development lifecycle.

• Industry Exposure: Learn about the industrial sector (railcar services) and how IT supports these operations.

• Professional Networking: Build connections with IT professionals within a large, established corporation.

• Potential for Future Roles: Exceptional performance in a co-op role can sometimes lead to future internship or entry-level full-time opportunities within Marmon Holdings or Procor.

📝 Enhancement Note: Growth analysis is tailored to a co-op/intern perspective, focusing on skill acquisition, practical experience, and exposure rather than immediate advancement into senior roles. The "operations impact" is framed in terms of supporting business efficiency.

🌐 Work Environment

Office Type: This is an on-site role, meaning the developer will work from the Procor Limited office in Oakville, Ontario. The environment is likely a professional office setting within a larger industrial company.

Office Location(s): Oakville, Ontario, Canada. This location is part of the Greater Toronto Area, offering access to a large metropolitan area.

Workspace Context:

• The workspace will be within an IT department, likely equipped with standard office amenities and development tools.

• Opportunities for collaboration with other IT team members and potentially with users of the applications being developed.

• Access to company IT infrastructure, development environments, and potentially specialized software.

• A structured work environment where learning and adherence to company policies are emphasized.

Work Schedule: As a part-time role, the schedule will be flexible and agreed upon with the hiring manager, likely during standard business hours. The total hours will be defined based on the co-op program requirements and business needs.

📝 Enhancement Note: The work environment description is based on the "On-site" remote status and the nature of co-op roles within corporate settings. It emphasizes professional office conditions and collaborative opportunities.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of the application and resume to assess qualifications and program eligibility.

• Technical Interview: Likely includes questions on Java programming, basic UI concepts (HTML, XML), problem-solving scenarios, and potentially a small coding exercise.

• Behavioral Interview: To assess fit with the team culture, communication skills, and ability to work under supervision.

• Manager Interview: Discussion about the role, expectations, and career aspirations.

• Portfolio Review (if applicable): Presentation of academic projects, code samples, or previous internship work to demonstrate practical skills.

Portfolio Review Tips:

• Showcase Java Proficiency: Highlight projects where Java was the primary language for application logic or back-end development.

• Demonstrate UI Skills: Include examples of HTML/XML implementation, even if basic, to show understanding of user interface structure.

• Explain Your Process: For each project, describe the problem, your approach, the technologies used, and the outcome.

• Document Your Code: If sharing code samples, ensure they are well-commented and follow basic coding standards.

• Focus on Learning: Emphasize what you learned from each project and how you overcame challenges.

Challenge Preparation:

• Be ready to discuss common Java programming concepts (e.g., OOP, data structures).

• Prepare to explain how you would approach a simple UI development task or troubleshoot a basic application issue.

• Practice articulating technical concepts clearly and concisely.

📝 Enhancement Note: The interview and portfolio review process is outlined based on typical expectations for co-op/intern roles in software development, emphasizing foundational technical skills and learning potential.

🛠 Tools & Technology Stack

Primary Tools:

• Programming Languages: Java (primary), C++, HTML, XML.

• Development Environment: Likely an Integrated Development Environment (IDE) such as Eclipse, IntelliJ IDEA, or NetBeans for Java development.

• Version Control: Potentially Git, although for a co-op role, exposure might be limited.

Analytics & Reporting:

CRM & Automation:

• Unlikely to be a primary focus, but understanding how applications integrate with broader business systems (potentially including CRM or ERP) would be beneficial.

📝 Enhancement Note: The technology stack is inferred directly from the "Key Skills" and "Core Responsibilities" sections of the job description, focusing on the tools a Java UI Developer would commonly use.

👥 Team Culture & Values

Operations Values:

• Integrity & Excellence: As part of Marmon Holdings, these core values are likely emphasized, promoting ethical conduct and a commitment to quality in development work.

• Learning & Development: The co-op role itself signifies a commitment to providing learning opportunities and fostering growth.

• Collaboration: Working within an IT team requires effective teamwork and communication with peers and supervisors.

• Efficiency: While not explicitly stated, optimizing application performance and adhering to coding standards contributes to operational efficiency.

Collaboration Style:

• The team likely operates with a structured approach, where tasks are assigned and reviewed by senior members.

• Cross-functional collaboration will occur with business users to gather requirements and test applications.

• Open communication and willingness to ask questions are crucial in a learning environment.

📝 Enhancement Note: Team culture and values are inferred from the general corporate branding of Marmon Holdings and the typical collaborative environment of an IT department supporting business operations.

⚡ Challenges & Growth Opportunities

Challenges:

• Learning Curve: Adapting to new technologies, company-specific tools, and development processes quickly.

• Under Supervision: Effectively taking direction and incorporating feedback while working under close supervision.

• Scope Management: Understanding and working within the defined scope of co-op projects.

• Technical Depth: Developing a solid understanding of both front-end (UI) and back-end (Java) aspects of application development.

Learning & Development Opportunities:

• Technical Skill Enhancement: Gaining hands-on experience with Java, UI technologies, and development tools.

• Process Understanding: Learning about the software development lifecycle, testing methodologies, and IT support processes in a corporate setting.

• Industry Insight: Understanding the business operations of Procor Limited and Marmon Holdings.

• Professional Soft Skills: Improving communication, teamwork, and problem-solving abilities in a professional environment.

📝 Enhancement Note: Challenges and growth opportunities are framed from the perspective of a co-op student, focusing on the learning aspects and common hurdles faced by individuals in early-career roles.

💡 Interview Preparation

Strategy Questions:

• "Describe a project where you used Java. What was your role, and what challenges did you face?" (Focus on your specific contributions and problem-solving.)

• "How would you approach building a simple user interface for a web application using HTML and XML?" (Demonstrate understanding of structure and basic principles.)

• "Imagine you've found a bug in an application you're working on. What steps would you take to diagnose and report it?" (Highlight your methodical approach to troubleshooting.)

Company & Culture Questions:

• "What do you know about Marmon Holdings or Procor Limited?" (Show you've done your research on the company and its industry.)

• "How do you handle receiving feedback or constructive criticism on your work?" (Emphasize your openness to learning and improvement.)

Portfolio Presentation Strategy:

• Select Key Projects: Choose 2-3 projects that best demonstrate your Java and UI development skills.

• Structure Your Story: For each project, explain the problem, your solution, the technologies used, and the outcome.

• Highlight Your Role: Clearly articulate your specific contributions, especially if it was a team project.

• Be Prepared for Technical Questions: Anticipate questions about your code, design choices, and challenges faced.

• Showcase Documentation: If you have sample documentation or well-commented code, be ready to share.

📝 Enhancement Note: Interview preparation advice is tailored to a co-op role, focusing on foundational technical knowledge, learning potential, and basic professional competencies.

📌 Application Steps

To apply for this Java UI Developer Co-op position:

• Submit your application through the provided Workday link on the Marmon Careers portal.

• Tailor Your Resume: Highlight relevant coursework, academic projects, and any prior internship experience that demonstrates your Java programming and UI development skills. Quantify achievements where possible.

• Prepare Your Portfolio: Gather examples of your Java code, UI mockups, or project documentation from academic or personal projects. Be ready to walk through them.

• Research the Company: Understand Marmon Holdings and Procor Limited's business in the industrial sector. This will help you articulate your interest and understand the context of the applications you might work on.

• Practice Interview Responses: Prepare for technical questions on Java and web fundamentals, as well as behavioral questions about teamwork and learning.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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