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Software Developer Contract Junior Jobs in Milwaukee, WI

Johnson Controls

Ai Engineer

Milwaukee, WI · On-site

This role is ideal for an engineer who combines solid software, data, and ML engineering skills ... Guide junior engineers on specific technical problems and code quality. * Contribute to design ...

GE HealthCare

Staff Software Engineer

Waukesha, WI · On-site

Mentor and support junior engineers, fostering a culture of learning, inclusion, and strong ... Experience delivering software within development life cycle, from requirements through ...

Gehc

Staff Software Engineer

Waukesha, WI · On-site

Mentor and support junior engineers, fostering a culture of learning, inclusion, and strong ... Experience delivering software within development life cycle, from requirements through ...

A.T.S. nv

Junior UPS Support Engineer

Cedar Grove, WI · On-site

MCE is active in this market and is looking for a Junior UPS Support Engineer. After an onboarding ... contracts Visiting customers and preparing maintenance proposals and repair estimates Communicating ...

A.T.S. nv

Junior UPS Support Engineer

Cedar Grove, WI · On-site

MCE is active in this market and is looking for a Junior UPS Support Engineer. After an onboarding ... contracts Visiting customers and preparing maintenance proposals and repair estimates Communicating ...

Continuus Technologies LLC

Jr. Data Engineer

Germantown, WI · On-site

$116K - $139K/yr

OverviewThe Junior Data Engineer supports the design, development, and maintenance of data pipelines and data infrastructure. This role focuses on building reliable, scalable data solutions that ...

Luminoustec LLC

Java Developer

Milwaukee, WI

$50.25 - $65/hr

We are hiring junior level professionals who have knowledge computer systems among other skills to ... Contract to Hire (6 months) Location: Menominee Falls, Wisconsin What we look for here are the ...

3E Company

Junior Wind Engineer

Cedar Grove, WI · On-site

... looking for a Junior Wind Engineer to join our Advisory Services team, based at our Brussels ... software such as WindPRO, and WAsP, aligned with international standards and industry best ...

3E Company

Junior Wind Engineer

Cedar Grove, WI · On-site

... looking for a Junior Wind Engineer to join our Advisory Services team, based at our Brussels ... software such as WindPRO, and WAsP, aligned with international standards and industry best ...

Luminoustec LLC

Java Developer

Milwaukee, WI · On-site

$50.25 - $65/hr

We are hiring junior level professionals who have knowledge computer systems among other skills to ... Contract to Hire (6 months) Location: Menominee Falls, Wisconsin What we look for here are the ...

TEKsystems

Software Engineer

Milwaukee, WI

$50 - $60/hr

We are looking for a mid-level Full Stack Developer to join our client's team. You will be ... Contract position based out of Milwaukee, WI. Pay and Benefits The pay range for this position is ...

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Showing results 21-40

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

Software Developer Contract Junior information

See Milwaukee, WI salary details

$23.6K

$87.7K

$135.5K

How much do software developer contract junior jobs pay per year?

As of Aug 30, 2026, the average yearly pay for software developer contract junior in Milwaukee, WI is $87,662.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,000.00 and $85,700.00 per year, depending on experience, location, and employer.

What is a software developer contract junior?

A Software Developer Contract Junior is an entry-level software professional hired on a temporary or contract basis to help design, develop, and maintain software applications. They typically work under the supervision of senior developers and are responsible for coding, testing, and debugging software according to project specifications. Contract roles may last from a few months to over a year and often offer opportunities to gain valuable hands-on experience in various programming languages and development methodologies.

What are the key skills and qualifications needed to thrive as a software developer contract junior, and why are they important?

To thrive as a Software Developer Contract Junior, you need a solid understanding of programming languages (such as Java, Python, or JavaScript), basic software development principles, and usually a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, common development environments, and issue tracking tools is typically required. Strong problem-solving abilities, willingness to learn, and effective communication help junior developers excel in collaborative and fast-changing project environments. These skills and qualities are essential for delivering quality code, adapting to new challenges, and contributing effectively to contract-based development teams.

What are some common challenges faced by junior software developers working on contract roles, and how can they successfully navigate them?

Junior software developers on contract often face challenges such as quickly adapting to new codebases, understanding team workflows, and meeting tight project deadlines. Successful navigation involves proactive communication, asking clarifying questions early, and making effective use of onboarding resources and documentation. It's also helpful to seek feedback regularly and collaborate closely with more experienced team members to accelerate learning and build confidence. Embracing these strategies can help junior contractors make a strong impression and gain valuable experience for future opportunities.

What is the difference between Software Developer Contract Junior vs Software Developer Contract Intern?

AspectSoftware Developer Contract JuniorSoftware Developer Contract Intern
CredentialsTypically requires a bachelor's degree or equivalent in computer science or related fieldUsually enrolled in or recently graduated from a relevant degree program
Work EnvironmentProfessional setting with defined project responsibilitiesLearning-focused, often part of training or mentorship programs
Employer UsageHired for ongoing projects, with potential for full-time rolesTemporary position for skill development and experience
Search/Comparison IntentUnderstanding entry-level contract roles for junior developersExploring internship opportunities for aspiring developers

The main difference between a Software Developer Contract Junior and a Software Developer Contract Intern lies in experience and purpose. Juniors are typically hired to contribute to projects with some professional experience, while interns are usually students or recent graduates gaining industry exposure. Both roles often require related educational backgrounds but differ in responsibilities and career development focus.

What job categories do people searching Software Developer Contract Junior jobs in Milwaukee, WI look for?

The top searched job categories for Software Developer Contract Junior jobs in Milwaukee, WI are:

Software Developer Contract Junior jobs near you

Ai Engineer

Johnson Controls

Milwaukee, WI • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 13 days ago

Johnson Controls rating

8.0

Company rating: 8.0 out of 10

Based on 412 frontline employees who took The Breakroom Quiz

136th of 545 rated manufacturers

Job description

Build your best future with the Johnson Controls team
Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.
For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.
What we offer:
  • Competitive salary
  • Paid vacation/holidays/sick time
  • Comprehensive benefits package including 401K, medical, dental, and vision care
  • On the job/cross training opportunities
  • Encouraging and collaborative team environment
  • Dedication to safety through our Zero Harm policy

Johnson Controls International (JCI) is seeking an AI Engineer to join our innovative and impact-driven Data Science and Analytics team. This role is ideal for an engineer who combines solid software, data, and ML engineering skills with hands-on Generative AI experience-and a data scientist's curiosity for how models behave. You build the pipelines, tooling, and applications that turn AI and LLM models into dependable production software.
As an AI Engineer, you will independently own the end-to-end delivery of defined AI projects-from data pipeline through deployed application. You will make sound technical decisions within your scope, partner directly with cross-functional stakeholders, and guide junior engineers on specific problems as you deliver measurable business value.
How you will do it
Generative AI Systems & Applications
  • Develop and deploy Generative AI systems and LLM-powered applications (e.g., GPT, Claude, LLaMA) for use cases such as enterprise search, document summarization, and conversational AI.

  • Apply prompt engineering, fine-tuning, and orchestration techniques to adapt foundation models for domain-specific applications.

  • Build agentic workflows and task-specific AI agents-using Palantir AIP or the Microsoft Agent Framework-that orchestrate tools, retrieval, and reasoning.

  • Evaluate and improve model outputs for accuracy, relevance, latency, and cost, applying data science techniques to measure and validate performance.

Data, ML & Software Engineering
  • Build and maintain the data pipelines that feed AI systems-ingestion, transformation, and ETL across structured and unstructured sources (e.g., Snowflake, Azure).

  • Develop and operate ML pipelines and MLOps workflows-training, evaluation, deployment, and monitoring-using CI/CD, containerization (Docker), and model serving.

  • Build reusable components, services, and APIs around AI models that help the team ship features faster.

  • Implement retrieval and embedding workflows (RAG, vector databases) for scalable, accurate knowledge retrieval.

  • Apply software engineering best practices-testing, version control, and code review-across your projects.

Business Impact & Stakeholder Communication
  • Partner with cross-functional stakeholders to translate business challenges into AI solutions.

  • Support workshops and proofs-of-concept that demonstrate the value of LLM and agent use cases across business units.

  • Translate model outputs, data findings, and technical tradeoffs into clear insights for non-technical audiences.

Mentorship & Collaboration
  • Guide junior engineers on specific technical problems and code quality.

  • Contribute to design discussions and technical decisions within the team.

  • Share knowledge and help raise the bar on engineering and data science practices.

Qualifications & Experience
  • Education in Computer Science, Software Engineering, Data Engineering, Data Science, or a related technical or quantitative discipline.

  • 2-5 years of experience in software, data, ML engineering, or data science, including hands-on work with LLMs or generative AI.

  • Demonstrated success delivering data or ML pipelines and AI/ML solutions to production.

  • Experience with data science fundamentals-exploratory analysis, statistical modeling, or classic ML (classification, regression, forecasting).

  • Experience with cloud AI platforms such as Azure OpenAI/Azure ML, AWS SageMaker/Bedrock, or Google Cloud Vertex AI.

Technical Expertise
  • Strong proficiency in Python and SQL, with good software engineering habits-testing, version control, and clean code.

  • Hands-on experience with the Generative AI stack: prompt engineering, fine-tuning (e.g., LoRA), LLM orchestration, and agent frameworks (LangChain, Semantic Kernel, Microsoft Agent Framework).

  • Experience building ETL and ML pipelines and applying MLOps practices (CI/CD, Docker, model serving).

  • Familiarity with data science libraries and workflows-pandas, scikit-learn, and model evaluation and experimentation.

  • Experience with JCI's stack-or comparable platforms-including Palantir AIP, Azure ML, Microsoft Agent Framework, Power Automate, and Snowflake.

  • Working knowledge of embeddings, vector databases, and retrieval systems.

Soft Skills
  • Ability to own projects and communicate progress, risks, and tradeoffs clearly.

  • Strong collaboration skills across product, engineering, and business teams.

  • Comfortable presenting technical and analytical work to both technical and non-technical stakeholders.

  • Self-directed problem solver who manages priorities independently.

Preferred Qualifications
  • Experience with IoT, edge analytics, or smart building systems.

  • Familiarity with LLMOps, LangChain, Semantic Kernel, or similar orchestration frameworks.

  • Data science depth-statistical modeling, experimentation, or deep learning (forecasting, computer vision, or NLP).

  • Experience with the Microsoft ecosystem (Microsoft 365 Copilot, SharePoint, Power Platform, Snowflake).

  • Knowledge of data privacy and governance considerations for enterprise LLM usage.

Additional Information
Work Location & Arrangement: Glendale, WI, hybrid
Sponsorship: Johnson Controls will not sponsor applicants for work visas or provide immigration-related employment sponsorship for this position, now or in the future.
HIRING SALARY RANGE: $85,000 - $110,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, location and alignment with market data.) The posted salary range reflects the target compensation for this role. However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers. This position includes a competitive benefits package. For details, please visit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-us
Johnson Controls International plc. is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, genetic information, sexual orientation, gender identity, status as a qualified individual with a disability or any other characteristic protected by law. To view more information about your equal opportunity and non-discrimination rights as a candidate, visit EEO is the Law. If you are an individual with a disability and you require an accommodation during the application process, please visit here.

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About Johnson Controls

Sourced by ZipRecruiter

Johnson Controls is a world leader in smart buildings, creating safe, healthy and sustainable spaces. For nearly 140 years, we’ve made buildings better and now we’re transforming them again with our award-winning digital technologies and services. We’re using artificial intelligence and data driven solutions to give you deeper insight into your building’s health, sustainability and performance. It’s changing the way we design, operate and maintain indoor environments and driving to a new era of autonomous buildings. We deliver the blueprint of the future for industries such as healthcare, schools, data centers, airports, stadiums, hotels, manufacturing and beyond through OpenBlue, our comprehensive suite of connected solutions. Johnson Controls offers the world’s largest portfolio of building technology, software and services. Supported by a team of more than 100,000 dedicated employees working across 150 countries, we’re helping customers achieve their sustainability goals and power their mission.

Industry

Machinery manufacturing, water transportation, public safety statistics centers and offices and manufacturing

Company size

10,000+ Employees

Headquarters location

Milwaukee, WI, US

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