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Freelance Junior Full Stack Developer Jobs in Wisconsin

Qualysoft

$55.25 - $71.25/hr

English (must-have) + German (nice to have) We are seeking an experienced Java Full Stack Developer with a strong focus on backend development to join our agile team. Your role will involve designing ...

Pereview Software

WI · On-site

$85 - $120/hr

Are you a developer with a drive for accuracy, quality work, and an innovative mind who wants to push through the limits of tech and build something great? * Are you able to work independently to ...

AI Talent Now

WI · On-site

$120 - $160/hr

AI Talent Now job # ZR 86 We are looking for a Full Stack Engineer with 10+ years of experience to own features end‑to‑end on an AI operating system for commercial real estate that's been ...

Humana

Senior Full Stack Engineer

Green Bay, WI · On-site

This role has broad scope across the full stack, including front-end, back-end, database ... DevOps, Automation, and Infrastructure/Security as Code Experience designing delivery pipelines ...

Humana

Senior Full Stack Engineer

Green Bay, WI · On-site

This role has broad scope across the full stack, including front-end, back-end, database ... DevOps, Automation, and Infrastructure/Security as Code Experience designing delivery pipelines ...

Humana

Senior Full Stack Engineer

Green Bay, WI · On-site

This role has broad scope across the full stack, including front-end, back-end, database ... DevOps, Automation, and Infrastructure/Security as Code Experience designing delivery pipelines ...

PLP Group

WI · On-site

$85.67 - $125.64/hr

Full-Stack Developer - Product & EngineeringJob detailsDepartment / DevelopmentBelgium, BelgiumFull-time**About us** Otamiser is an international hospitality tech scale-up based in Ghent, building ...

Cldn

WI · On-site

$70 - $100/hr

Net Full Stack Developer, you collaborate closely with developers and leverage your .NET expertise to support the Lead Solutions Architect in shaping and delivering robust solutions. Your role Act as ...

TiTANS Consulting

WI · On-site

$86 - $127/hr

Work with central teams to enhance the DEVOPS capability of the development teams CONFORMITY CRITERIA * Minimum 5 years of professional experience in .NET development, demonstrated in the CV ...

TiTANS Consulting

WI · On-site

$81 - $127/hr

Work with central teams to enhance the DEVOPS capability of the development teams CONFORMITY CRITERIA * Minimum 5 years of professional experience in .NET development, demonstrated in the CV ...

Portfolio BI

WI · On-site

$120 - $180/hr

We are hiring a Full Stack Developer to design, build, and support applications and services that power credit, private credit, structured products, and CLO businesses. You will work across the stack ...

TiTANS Consulting

WI · On-site

$80 - $100/hr

De organisatie is op zoek naar een Full stack developer in het domein van Data & AI! Wat mag je verwachten van deze opdracht? * Als developer werk je aan de digitale mediatoepassingen van de toekomst ...

Deloitte

Cyber Full Stack Manager

Milwaukee, WI

As a Full Stack Engineer Manager in Deloitte Cyber's Digital Trust & Privacy practice, you will operate at the intersection of client-facing advisory, product engineering, and hands-on technical ...

Portfolio BI

WI · On-site

$120 - $180/hr

We are hiring a Full Stack Developer to design, build, and support applications and services that power credit, private credit, structured products, and CLO businesses. You will work across the stack ...

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Freelance Junior Full Stack Developer information

What is a freelance junior full stack developer?

A Freelance Junior Full Stack Developer is an entry-level programmer who works independently, rather than as a full-time employee, building both the front-end and back-end components of web applications. They typically possess foundational skills in languages and frameworks such as JavaScript, HTML, CSS, Node.js, and React or similar technologies. Freelance junior developers often work on smaller projects or provide support to more experienced developers, allowing them to gain practical experience while growing their technical expertise. Their responsibilities may include writing code, fixing bugs, deploying applications, and communicating with clients about project requirements.

What are the key skills and qualifications needed to thrive as a freelance junior full stack developer?

To excel as a Freelance Junior Full Stack Developer, you need solid knowledge of both front-end (HTML, CSS, JavaScript) and back-end (e.g., Node.js, Python) technologies, often supported by a relevant degree or coding bootcamp experience. Familiarity with frameworks like React or Angular, version control systems like Git, and cloud platforms such as AWS, as well as a portfolio or GitHub profile, are typically expected. Strong problem-solving skills, self-motivation, and effective communication help you manage client expectations and collaborate remotely. These combined skills enable you to deliver high-quality, full-cycle web solutions while building trust and maintaining successful client relationships.

What are some common challenges faced by freelance junior full stack developers in managing multiple projects?

Freelance junior full stack developers often face challenges in balancing multiple client projects, such as time management, setting clear expectations, and maintaining consistent communication. Since they may work with clients from different industries, adapting quickly to varying tech stacks and project requirements is essential. Additionally, without the structure of a traditional team, freelancers must be proactive in seeking feedback and continuing their professional growth. Building strong organizational habits and using project management tools can greatly help in overcoming these hurdles.

What is the difference between Freelance Junior Full Stack Developer vs Freelance Front End Developer?

AspectFreelance Junior Full Stack DeveloperFreelance Front End Developer
SkillsBasic to intermediate knowledge of both front-end and back-end technologiesSpecialized in front-end technologies like HTML, CSS, JavaScript
CredentialsOften no formal certification required, but knowledge of multiple stacks helpsOften no formal certification, but expertise in UI/UX and front-end frameworks
Work EnvironmentRemote or freelance projects across various industriesPrimarily remote, focusing on website and app UI development
Industry UsageCommon in startups, small businesses, and freelance platformsPopular in web design agencies, startups, and freelance marketplaces

The main difference is that Freelance Junior Full Stack Developers handle both front-end and back-end tasks, while Freelance Front End Developers focus solely on the user interface and client-side features. Your choice depends on your skill set and project needs.

What are popular job titles related to Freelance Junior Full Stack Developer jobs in Wisconsin?

For Freelance Junior Full Stack Developer jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Freelance Junior Full Stack Developer jobs in Wisconsin look for?

The top searched job categories for Freelance Junior Full Stack Developer jobs in Wisconsin are:

Freelance Junior Full Stack Developer jobs near you
Infographic showing various Freelance Junior Full Stack Developer job openings in Wisconsin as of August 2026, with employment types broken down into 87% Full Time, 8% Part Time, 4% Contract, and 1% Nights. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution.

Full Stack Developer with AI - Hybrid

Cognizant Technology Solutions

Milwaukee, WI • On-site

$55K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 days ago

Cognizant rating

7.0

Company rating: 7.0 out of 10

Based on 87 frontline employees who took The Breakroom Quiz

59th of 72 rated business consultants

Job description

Full Stack Developer with AI - Hybrid
Important Disclaimers:
Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.
Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future
In this role, you will:
  • Design, develop, and maintain applications using .NET / .NET Core (C#) following best practices and coding standards.
  • Build and deploy cloud-based solutions leveraging Microsoft Azure services (App Services, Functions, Azure SQL, Storage, etc.).
  • Design, develop, and maintain full-stack web applications across front-end and back-end layers.
  • Build responsive, user-friendly UI components using modern front-end frameworks (React, Angular, or Vue).
  • Develop and maintain back-end services, APIs, and databases to support application functionality.
  • Integrate AI/ML capabilities and third-party AI APIs (e.g., OpenAI, Azure AI, LLM-based services) into existing applications and workflows.
  • Collaborate with product, design, and data teams to translate business requirements into technical solutions.
  • Write clean, scalable, and well-tested code following best practices across the stack.
  • Participate in code reviews, troubleshooting, and performance optimization for both front-end and back-end systems.
  • Stay current with emerging AI tools and frameworks, proposing opportunities to enhance products with AI-driven features.

Location: Milwaukee, WI
Work model: Hybrid
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Milwaukee, WI . Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.
What you need to have to be considered:
  • 3-5 years of experience as a Full Stack Developer, working across front-end and back-end technologies.
  • Proficiency in front-end frameworks (React, Angular, or Vue) and back-end languages/frameworks (Node.js, .NET, Python, or Java).
  • Experience designing and consuming RESTful APIs, and working with relational or NoSQL databases.
  • Practical experience integrating AI/ML services or LLM APIs (e.g., OpenAI, Azure OpenAI, LangChain) into applications.
  • Proficiency with RESTful APIs, Web API development, and integration with third-party services.
  • Familiarity with cloud platforms (Azure, AWS, or GCP) for deployment and hosting.
  • Understanding of version control (Git), CI/CD pipelines, and Agile development practices.
  • Strong problem-solving skills with the ability to work across the full technology stack independently.
  • Experience with prompt engineering, AI workflow design, or building AI-assisted features is a plus.

Salary and Other Compensation:
Applications will be accepted until 9/17/2026.
The annual salary for this position is between $55K - 114K depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
Disclaimer : The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

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