Freelance Mobile Application Developer Jobs in Appleton, WI

At CNG, we are owners. We empower every individual to make a significant impact — because every moment matters. Whether you’re starting your career journey or aiming for the next level, we foster a supportive environment where your contributions are valued and celebrated.

Why Join CNG?

Employee Ownership: Every employee receives equity shares, enabling you to participate in our company's growth and prosperity.

Work-Life Balance: We support true work-life integration for all CNG employee owners.

Career Growth: Advance your career within our expanding network of manufacturing facilities with comprehensive training and development programs.

Purpose-Driven Work: Help create sustainable packaging solutions that reduce food waste and protect our environment for future generations.

The Role

From supporting internal teams to developing next-gen materials, our professional roles span strategy, innovation, and purpose. At CNG, you’ll do work that matters—and own it all.

Remote Flexibility

This position will move to a remote work schedule after completion of onsite training. To support training and occasional business needs, candidates must live in a state where Charter Next Generation has an operating facility.

What You'll Do

• Develop, test and implement new projects on-time and on budget within the Ignition development platform.
• Ensure the design and development of technology solutions properly fulfill all business requirements
• Clearly and regularly communicate with management and technical support colleagues
• Design, update and interface with various database engines
• Test, maintain and recommend software improvements to ensure strong functionality and optimization
• Work with experienced team members to conduct root cause analysis of issues, review new and existing code and/or perform unit testing
• Identify ideas to improve system performance and impact availability and performance
• Resolve complex technical design issues
• Development of technical specifications and plans
• Make good technical decisions that provide solutions to business challenges
• Provide comprehensive support to internal customers; achieve resolution to outstanding problems or issues
• Compile timely, comprehensive and accurate documentation and or reports as requested
• Possess up-to-date knowledge of technological developments in the industry
• Communicate effectively and professionally in all forms of communication with internal and external customers

What You’ll Bring

Essential Qualifications:

• Bachelor’s degree in programming or related field, or Associate degree in programming with minimum 3+ years of relevant experience, or minimum 5 years related experience.
• Ignition software experience preferred. Preferably extensive hands-on experience with gateway scripts, templates, UDT standardization. Perspective knowledge is a plus.
• Proficient with MS SQL (advanced SQL knowledge is preferred)
• Proficient in Python.
• Knowledge and experience of ethernet networking and protocols
• Ability to comprehend and implement detailed project specifications as well as the ability to adapt to various technologies and simultaneously work on multiple projects
• Ability to work both independently and as part of a small team
• Attention to details and data accuracy
• Good communication skills, both verbal and written
• Demonstrated strong problem-solving skills and creative thinking skills

Preferred Qualifications:

• Experience with Java desired.
• Strong background in data modeling and database design concepts desired.
• Knowledge of Agile, Continuous Integration and Test Driven Development is a plus
• Mobile application development experience is a plus
• Knowledge of GIT repository management is a plus.

Compensation & Benefits

Total Rewards:

• Employee Ownership – Become a company owner day 1!
• Full medical, dental, and vision insurance upon hire
• Holiday Pay
• Paid vacation
• 401(k) with company match
• Performance-based bonuses
• Tuition reimbursement
• Career advancement opportunities across 15+ facilities

Ready to Own Your Future?

Join a team where every voice matters, every contribution counts, and every employee shares in our success.

Charter Next Generation is an Equal Opportunity Employer committed to creating an inclusive environment for all employees.

Learn More About CNG:

• Visit our careers page: cnginc.com/careers
• Discover our employee ownership program: cnginc.com/careers/employee-ownership
• See what makes us different: cnginc.com/careers/why-cng

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