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Freelance Application Software Engineer Jobs in Appleton, WI

Tweet/Garot Mechanical

Sr. Engineer

De Pere, WI · On-site

$100K - $138K/yr

Application Instructions Please complete all sections of the application thoroughly and accurately ... Perform heating and cooling load calculations with standard industry software (Carrier HAP or Trane ...

Fielmann USA

Data Engineer II

Green Bay, WI · On-site

$111K - $133K/yr

... SaaS application APIs (Salesforce, Zuora, Zendesk, Marketo) COLLABORATION & LEADERSHIP • ... engineering, information systems, or related field or equivalent experience; master's degree ...

Oshkosh Corporation

Reliability Engineer

Oshkosh, WI

$64K - $103K/yr

Experience with tools such as Windchill Risk and Reliability or similar reliability software ... Job opportunities are open for application to all qualified individuals and selection decisions are ...

Oshkosh Corporation

Reliability Engineer

Oshkosh, WI · On-site

$64K - $103K/yr

Experience with tools such as Windchill Risk and Reliability or similar reliability software ... Job opportunities are open for application to all qualified individuals and selection decisions are ...

Atria Group LLC

Dot Net Lead Consultant

Neenah, WI · On-site

Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...

Oshkosh Corporation

Systems Engineer - Hybrid

Oshkosh, WI · Hybrid

$64K - $103K/yr

Degree in Computer Engineering, Software Engineering, or a related field. * Hands-on experience ... Job opportunities are open for application to all qualified individuals and selection decisions are ...

Oshkosh Corporation

Systems Engineer - Hybrid

Oshkosh, WI · On-site

$64K - $103K/yr

Degree in Computer Engineering, Software Engineering, or a related field. * Hands-on experience ... Job opportunities are open for application to all qualified individuals and selection decisions are ...

CORRE, Inc.

Entry Level Civil Engineer

Appleton, WI · On-site

$65K - $78K/yr

Use civil engineering software (AutoCAD Civil 3D) to prepare design plans. * Perform engineering ... Background Check: By submitting this application, you acknowledge and consent to the company ...

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All JobsFreelance Application Software Engineer JobsFreelance Application Software Engineer Jobs in Appleton, WI

Freelance Application Software Engineer information

See Appleton, WI salary details

$49.3K

$108K

$148.3K

How much do freelance application software engineer jobs pay per year?

As of Jun 16, 2026, the average yearly pay for freelance application software engineer in Appleton, WI is $108,012.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,000.00 and $131,700.00 per year, depending on experience, location, and employer.
What are the most commonly searched types of Application Software Engineer jobs in Appleton, WI? The most popular types of Application Software Engineer jobs in Appleton, WI are:
Freelance Application Software Engineer jobs near you
Sr. Engineer

Sr. Engineer

Tweet/Garot Mechanical

De Pere, WI • On-site

$100K - $138K/yr

Full-time

Posted 21 days ago

Job description

Application Instructions
Please complete all sections of the application thoroughly and accurately. Providing complete information helps us better understand your qualifications and ensures timely consideration of your application.
Position Description
Position Summary:
As a Senior HVAC Designer/Engineer, you will serve as a technical leader within the Building Engineering team, guiding complex project designs while collaborating with engineers, field craft-people, Owners, Architects, and building code officials to achieve project goals. This role takes ownership of project plans, mentors junior engineering staff, and ensures high-quality deliverables are completed on time and within scope. Senior Engineers drive continuous improvement by developing and refining design processes, evaluating emerging technologies, and contributing to the growth and technical direction of the department.
Duties and Responsibilities:
    • Perform heating and cooling load calculations with standard industry software (Carrier HAP or Trane Trace, or similar software)
    • Perform hands-on Building Information Modeling using the Autodesk REVIT platform
    • Understand both constant and variable flow air and water systems, and properly apply equipment to work with these systems
    • Understand fan and pump curves to properly select equipment for the intended application
    • Communicate with equipment vendors to determine requirements for applying products
    • Perform field verification and take-offs of existing systems for renovation projects
    • Select, specify, and schedule major equipment independently; serve as a technical resource for junior engineers on equipment selection
    • Design and layout both air and water-side systems in working BIM models
    • Coordinate with other disciplines and trades, including fire protection, electrical, plumbing, architectural and structural.
    • Understand work planning and manage the design process to complete a project design
    • Assure drawings and designs are in accordance with local codes and design standards
    • Participate in design review meetings and workshops with Owners and other project stakeholders
    • Lead resolution of complex design challenges, including conflicting project requirements, budget constraints, and application of diverse system types or challenging field conditions; provide guidance to the broader team on approach and best practices

Position Requirements
Preferred Knowledge, Experience & Skills Requirements:
    • A Bachelor of Science degree in Mechanical Engineering or Architectural Engineering from an accredited university
    • 8 or more years of experience in designing HVAC systems for industrial, health care, hospitality, or commercial projects, with a demonstrated track record of leading complex, large-scale designs
    • Proficiency in AutoCAD and REVIT MEP is required; demonstrated ability to model complex systems and lead BIM coordination efforts
    • Good written and verbal communication skills
    • Professional Engineer (PE) registration recognized by a state licensing board is strongly preferred; active pursuit of licensure expected if not yet obtained
    • Knowledge in building controls is preferred
    • Occasional travel to project sites, client locations, and other Tweet/Garot shop and office facilities

These statements are intended to describe the general nature and level of work performed by teammates assigned to this job classification. They are not intended to be an exhaustive list of all responsibilities, duties, and skills required.
Equal Opportunity Employer
TWEET/GAROT MECHANICAL, INC. IS AN EQUAL EMPLOYMENT OPPORTUNITY EMPLOYER

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