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Software Developer Contract Jobs in Milwaukee, WI

MARS IT

Senior Software Engineer -API

Milwaukee, WI

$120K - $159K/yr

MARS Solutions Group is looking for an experienced Senior Software Engineer . Our client is an ... Developer Tooling / Platform Engineering, Contract-First API Design Nice-to-Have Skills: API ...

Apex Systems

Azure Software Developer

Racine, WI

$51.50 - $64/hr

Job#: 3025908 Azure Developer - AI Center of Excellence Contract: 3-month initial term (extension possible) Experience: 3-5 years Responsibilities * Build backend Azure applications supporting AI ...

GE Aerospace

AI/ML Software Engineer

Waukesha, WI

$95K - $140K/yr

... software developer, designed for someone who can operate across the full lifecycle of AI system ... This document does not create a contract of employment with any individual. This role requires ...

LRS

Software Engineer

Waukesha, WI

$40 - $50/hr

Codeworks, an LRS company, is seeking a Software Engineer for a Contract opportunity. This role help design, build, and support software applications that power our healthcare solutions. In this role ...

Levi, Ray and Shoup

Software Engineer

Waukesha, WI

$40 - $50/hr

Codeworks, an LRS company, is seeking a Software Engineer for a Contract opportunity. This role help design, build, and support software applications that power our healthcare solutions. In this role ...

LRS

Software Engineer, Intern

Waukesha, WI

$23.50/hr

Codeworks, an LRS company, is seeking a Software Enginner for a contract/intern opportunity. Join a team developing software that supports MR imaging technology for an industryleading healthcare ...

Kasmo Global

Software Engineer role

Brookfield, WI · Hybrid

Software Engineer role 12-month contract Location: Hybrid onsite in Waukesha, WI Our Healthcare client is looking to bring aboard two to three Software Engineers with C++ development background ...

Dellfor Technologies

Senior JAVA Developer

Milwaukee, WI · On-site

$80K/yr

Company Description Dellfor Technologies is founded by software professionals with fresh approach ... Contract Salary: $80,000.00 /year Required education: * Bachelor's Required experience: * Developer ...

Sonoma Consulting Inc.

Java Developer

Waukesha, WI · On-site

$51 - $66/hr

Qualifications Long term or contract to hire Application Development (Java/JEE, C++, scripting, and ... Strong knowledge of Object Oriented Analysis and Design, Software Design Patterns and Java coding ...

Saicon Consultants

C# Developer

Milwaukee, WI

$48.25 - $65/hr

Milwaukee, WI Duration: 9+Months contract-to-hire Interview type: Phone+F2F Description: Looking for a strong C# developer that also has experience with JavaScript . This work will be on a highly ...

Saicon Consultants

C# Developer

Milwaukee, WI · On-site

$48.25 - $65/hr

Milwaukee, WI Duration: 9+Months contract-to-hire Interview type: Phone+F2F Description: Looking for a strong C# developer that also has experience with JavaScript . This work will be on a highly ...

Varsity Tutors

Software Tutor

Milwaukee, WI · Remote

$40/hr

Deep knowledge of software development methodologies, programming languages, version control ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

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All JobsSoftware Developer Contract JobsSoftware Developer Contract Jobs in Milwaukee, WI

Software Developer Contract information

See Milwaukee, WI salary details

$47.3K

$110.2K

$163.6K

How much do software developer contract jobs pay per year?

As of Jun 14, 2026, the average yearly pay for software developer contract in Milwaukee, WI is $110,195.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,700.00 and $128,100.00 per year, depending on experience, location, and employer.

What are the typical work arrangements and expectations for contract Software Developers?

Contract Software Developers are usually hired for specific projects or defined timeframes, which can range from several weeks to multiple months, often working remotely or on-site depending on client needs. They are expected to quickly understand project requirements, deliver code efficiently, and collaborate with both in-house teams and other contractors, maintaining flexibility to adapt to different workflows and tools. Because contract roles may not include the same onboarding experience as permanent positions, self-motivation and strong independent work habits are important. This work arrangement provides valuable exposure to various industries and technologies, often expanding a developer’s professional network and enhancing career versatility.

What are the key skills and qualifications needed to thrive in the Software Developer Contract position, and why are they important?

A successful Software Developer Contract requires strong programming abilities, solid knowledge of software development methodologies, and relevant project or domain expertise, often supported by a degree in computer science or a related field. Familiarity with languages like Java, Python, or JavaScript, as well as tools such as Git, Agile frameworks, and certification in areas like AWS or Scrum, is highly valued. Excellent problem-solving skills, adaptability, effective communication, and an ability to quickly integrate into new teams are crucial soft skills. These competencies enable contract developers to deliver high-quality solutions while efficiently navigating diverse projects and rapidly changing work environments.

What is a Software Developer Contract job?

A Software Developer Contract job is a temporary or project-based position where a developer is hired for a specific duration, typically through a contract agreement. Contractors may work independently, for an agency, or directly with a company to develop, test, and maintain software applications. These roles often offer flexibility but may not include benefits like health insurance or paid time off. Contract developers are usually paid hourly or per project and may work remotely or on-site depending on the employer's needs.

What are the most commonly searched types of Software Developer jobs in Milwaukee, WI? The most popular types of Software Developer jobs in Milwaukee, WI are:
What are popular job titles related to Software Developer Contract jobs in Milwaukee, WI? For Software Developer Contract jobs in Milwaukee, WI, the most frequently searched job titles are:
What job categories do people searching Software Developer Contract jobs in Milwaukee, WI look for? The top searched job categories for Software Developer Contract jobs in Milwaukee, WI are:
What cities near Milwaukee, WI are hiring for Software Developer Contract jobs? Cities near Milwaukee, WI with the most Software Developer Contract job openings:
Software Developer Contract jobs near you
Infographic showing various Software Developer Contract job openings in Milwaukee, WI as of June 2026, with employment types broken down into 78% Full Time, and 22% Contract. Highlights an 78% In-person, 11% Hybrid, and 11% Remote job distribution, with an average salary of $110,195 per year, or $53 per hour.
Senior Software Engineer -API

Senior Software Engineer -API

MARS IT

Milwaukee, WI

$120K - $159K/yr

Other

Posted 25 days ago

Job description

MARS Solutions Group is looking for an experienced Senior Software Engineer. Our client is an insurance firm looking for high-quality talent to make a difference. They are known to respect a traditional work week and often extend contracts for added job security and stability.

What's the Role?

Collaborate with the API Enablement team to build and maintain enterprise-grade internal tooling, API governance automation, and developer experience platforms. Contributes to the design and delivery of cross-cutting technical solutions - including API quality enforcement engines, SDK generators, and the enterprise API catalog - that enable domain teams to build and publish high-quality APIs at speed. Supports contract-first API development practices and tooling built around OpenAPI Specification (OAS). Participates in refinement, solution definition, and decomposition of features into deliverable work items. Works across organizational boundaries with domain engineering teams, Enterprise Architecture, and API Management to deliver on the team's highest-priority initiatives. Finds opportunities for continuous improvement and owns initiatives that help the team get better. Engages collaboratively, respects diverse perspectives, and communicates effectively with both technical and non-technical audiences.

Qualifications
  • Bachelor's Degree or equivalent experience
  • 8+ years of professional software development experience required
  • 5+ years of experience with API design, development, and governance including OpenAPI Specification (OAS) and REST best practices
  • Experience with Java and/or Node.js/TypeScript
  • Proficient in practices such as contract-first API design, API quality automation, and internal platform/tooling development
  • Proven track record of architecting and delivering significant developer tooling or platform solutions (e.g., SDK generators, compliance engines, API catalogs)
  • Capable of working autonomously and delivering with minimal direction in an enterprise environment
  • Effective communicator with product, engineering, architecture, and business partners, with proven ability to communicate to both technical and non-technical audiences in varying forms and levels of detail
Skills for Sourcing

Must-Have Skills:

API Development (REST / OpenAPI), Java or Node.js/TypeScript, Internal Developer Tooling / Platform Engineering, Contract-First API Design

Nice-to-Have Skills:

API Quality / Compliance Automation (e.g., Spectral), Client SDK Generation (e.g., OpenAPI Generator / Kiota), API Catalog / Developer Portal Experience, Enterprise Authorization Patterns (PBAC or similar)

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About MARS Solutions Group: MARS Solutions Group provides a range of opportunities for meaningful work by understanding that employment fit is a combination of people, process, and technology. We leverage our experienced and compassionate team to bring humanity to matching you with the right advanced technology role, and stay connected with you to help you attain your professional goals.

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