1

Full Stack Developer Startup Jobs in Wisconsin (NOW HIRING)

$55.25 - $71.25/hr

We are seeking an experienced Java Full Stack Developer with a strong focus on backend development to join our agile team. You will be responsible for building and maintaining enterprise-grade ...

Hands-on experience in full stack software development across frontend and backend technologies ... Experience with object-oriented programming using languages such as Java, Python, or JavaScript ...

As a Full-stack Software Engineer , you will actively engage in your engineering craft, taking a hands-on approach to multiple high-visibility projects. Your expertise will be pivotal in delivering ...

$60/hr

We are looking for proficient programmers to help advance AI development. As a member of DataAnnotation's coding team, you'll be part of a growing community of over 100,000 professionals -- including ...

Full Stack Engineer - REMOTE

Madison, WI · On-site +1

$120K - $150K/yr

Senior Full Stack Engineer - REMOTE Why you want to work at Flexion: We're looking for a Senior Full Stack Engineer with an unwavering passion for working in autonomous, self-directed teams to build ...

Full Stack Engineer - REMOTE

Madison, WI · On-site +1

$120K - $150K/yr

Senior Full Stack Engineer - REMOTE Why you want to work at Flexion: We're looking for a Senior Full Stack Engineer with an unwavering passion for working in autonomous, self-directed teams to build ...

Genesis10 is currently seeking a Full Stack Engineer - Hybrid position with a Major Financial ... Experience with DevOps, Git, and support technologies (Dynatrace and Elk) * Experience with AWS ...

As a Lead Full-stack Software Engineer , you will actively engage in your engineering craft, taking a hands-on approach to multiple high-visibility projects. Your expertise will be pivotal in ...

The Role As a Senior Software Engineer, you'll play a pivotal role in developing and enhancing ... This role is full stack (UI & API's) with more front end focus. We're seeking individuals who excel ...

next page

Showing results 1-20

Full Stack Developer Startup information

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

AspectFull Stack Developer StartupFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, databases, and server managementSpecialized in client-side technologies like HTML, CSS, JavaScript, and frameworks like React or Angular
Work EnvironmentFast-paced startup setting, often wearing multiple hats, involved in full project lifecyclePrimarily focused on designing and implementing user interfaces and user experience
Common UsageUsed in startups needing versatile developers capable of handling entire applicationsUsed in teams focusing on UI/UX and front-end development within startups or larger companies

In summary, a Full Stack Developer Startup has a broader skill set covering both front-end and back-end development, suitable for dynamic startup environments. A Front End Developer specializes in creating engaging user interfaces, often working within larger teams or specific projects. The choice depends on the scope of work and technical expertise required.

What are popular job titles related to Full Stack Developer Startup jobs in Wisconsin? For Full Stack Developer Startup jobs in Wisconsin, the most frequently searched job titles are:
What cities in Wisconsin are hiring for Full Stack Developer Startup jobs? Cities in Wisconsin with the most Full Stack Developer Startup job openings:
Infographic showing various Full Stack Developer Startup job openings in Wisconsin as of May 2026, with employment types broken down into 37% Full Time, and 63% Part Time. Highlights an 70% Physical, 4% Hybrid, and 26% Remote job distribution.
Software Engineer III - Java Full Stack Developer

Software Engineer III - Java Full Stack Developer

Deloitte

Milwaukee, WI

$51.75 - $66.75/hr

Other

Posted 4 days ago


Deloitte rating

8.1

Company rating: 8.1 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

59th of 138 rated financial services


Job description

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Software Engineer III - Java Full Stack Developer, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. If so, consider an opportunity with Deloitte under our Project Delivery Talent Model. Project Delivery Model (PDM) is a talent model that is tailored specifically for long-term, onsite client service delivery.

Work you'll do/Responsibilities  

Join our Value-Based Care initiative focused on reducing overall healthcare costs while improving members' quality of life. Contribute across the application stack by building and enhancing Java/Spring-based services and APIs, developing responsive UI components, Python, integrating with clinical and claims data sources, and ensuring secure, reliable performance in a healthcare environment to enable care programs and analytics to drive better outcomes and cost efficiencies.

  • Technical leadership: Own architecture and implementation across front-end (React) and back-end (Python), ensuring maintainability and scalability
  • Data & database engineering: Design schemas, write and optimize complex SQL queries, manage migrations, and improve performance.
  • Engineering excellence: Establish and enforce standards for code quality, testing, CI/CD, documentation, and observability (logging/metrics/tracing).
  • Design, develop, and optimize scalable software for AI platforms and consumer devices.
  • Integrate and automate load, stress, and real-user scenario testing into the development and production lifecycle.
  • Analyze, monitor, and address performance, reliability, and scalability challenges in complex systems.
  • Collaborate with engineers working on custom hardware, embedded systems, and cloud infrastructure.
  • Apply advanced profiling, benchmarking, and system optimization techniques.
  • Contribute to solution architecture, API design, security, and system integration.
  • Communicate regularly with Engagement Managers (Directors), project team members, and representatives from various functional and / or technical teams, including escalating any matters that require additional attention and consideration from engagement management
  • Independently and collaboratively lead client engagement workstreams focused on improvement, optimization, and transformation of processes including implementing leading practice workflows, addressing deficits in quality, and driving operational outcomes

The successful candidate would possess these skills:

  • Ability to work independently and collaborate as part of a team
  • Effective written and verbal communication skills
  • Meticulous attention to detail and quality of work product
  • Ability to build and sustain professional relationships 
  • Ability to lead projects or workstreams
  • Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment
  • Strong interpersonal skills and professional demeanor 
  • Ability to meet deadlines
  • Ability to provide clear guidance to others

The Team

AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate integrated/verticalized sector solutions in software, data, AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for business advantage, transforming mission-critical operations. We enable clients to stay ahead with the latest advancements by transforming engineering teams and modernizing technology & data platforms. Our delivery models are tailored to meet each client's unique requirements.

Qualifications

Required

  • 7+ years of experience in software, systems, or embedded engineering.
  • 7+ years of experience working Java/J2EE
  • 7+ years of experience Python (building APIs/services; common frameworks such as FastAPI/Django/Flask)
  • 2+ years of experiene in a lead role (tech lead, team lead, or equivalent) guiding engineering decisions and delivery.
  • SQL (data modeling, query optimization, indexing, performance tuning)
  • React (component design, state management, performance considerations)
  • Experience with microservices, event-driven architectures, or distributed systems patterns.
  • Familiarity with containerization (Docker) and orchestration (Kubernetes).
  • Understanding of network protocols, security best practices, and scalable API design.
  • Experience with Git, CI/CD pipelines, and modern DevOps practices.
  • Experience working within Agile/Scrum development teams, participating in sprint planning, code reviews, and collaborative solutioning.
  • Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
  • Limited immigration sponsorship may be available
  • Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve

Preferred

  • Experience developing or deploying AI solutions, custom hardware, or high-performance platforms.
  • Proven ability to communicate complex technical concepts clearly and effectively.
  • Analytical ability to manage multiple projects and prioritize tasks into manageable work products
  • Can operate independently or with minimum supervision
  • Excellent Written and Communication Skills
  • Ability to deliver technical demonstrations

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $113,300-188,900.

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance.

Qualifications:

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Software Engineer III - Java Full Stack Developer, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. If so, consider an opportunity with Deloitte under our Project Delivery Talent Model. Project Delivery Model (PDM) is a talent model that is tailored specifically for long-term, onsite client service delivery.

Work you'll do/Responsibilities  

Join our Value-Based Care initiative focused on reducing overall healthcare costs while improving members' quality of life. Contribute across the application stack by building and enhancing Java/Spring-based services and APIs, developing responsive UI components, Python, integrating with clinical and claims data sources, and ensuring secure, reliable performance in a healthcare environment to enable care programs and analytics to drive better outcomes and cost efficiencies.

  • Technical leadership: Own architecture and implementation across front-end (React) and back-end (Python), ensuring maintainability and scalability
  • Data & database engineering: Design schemas, write and optimize complex SQL queries, manage migrations, and improve performance.
  • Engineering excellence: Establish and enforce standards for code quality, testing, CI/CD, documentation, and observability (logging/metrics/tracing).
  • Design, develop, and optimize scalable software for AI platforms and consumer devices.
  • Integrate and automate load, stress, and real-user scenario testing into the development and production lifecycle.
  • Analyze, monitor, and address performance, reliability, and scalability challenges in complex systems.
  • Collaborate with engineers working on custom hardware, embedded systems, and cloud infrastructure.
  • Apply advanced profiling, benchmarking, and system optimization techniques.
  • Contribute to solution architecture, API design, security, and system integration.
  • Communicate regularly with Engagement Managers (Directors), project team members, and representatives from various functional and / or technical teams, including escalating any matters that require additional attention and consideration from engagement management
  • Independently and collaboratively lead client engagement workstreams focused on improvement, optimization, and transformation of processes including implementing leading practice workflows, addressing deficits in quality, and driving operational outcomes

The successful candidate would possess these skills:

  • Ability to work independently and collaborate as part of a team
  • Effective written and verbal communication skills
  • Meticulous attention to detail and quality of work product
  • Ability to build and sustain professional relationships 
  • Ability to lead projects or workstreams
  • Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment
  • Strong interpersonal skills and professional demeanor 
  • Ability to meet deadlines
  • Ability to provide clear guidance to others

The Team

AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate integrated/verticalized sector solutions in software, data, AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for business advantage, transforming mission-critical operations. We enable clients to stay ahead with the latest advancements by transforming engineering teams and modernizing technology & data platforms. Our delivery models are tailored to meet each client's unique requirements.

Qualifications

Required

  • 7+ years of experience in software, systems, or embedded engineering.
  • 7+ years of experience working Java/J2EE
  • 7+ years of experience Python (building APIs/services; common frameworks such as FastAPI/Django/Flask)
  • 2+ years of experiene in a lead role (tech lead, team lead, or equivalent) guiding engineering decisions and delivery.
  • SQL (data modeling, query optimization, indexing, performance tuning)
  • React (component design, state management, performance considerations)
  • Experience with microservices, event-driven architectures, or distributed systems patterns.
  • Familiarity with containerization (Docker) and orchestration (Kubernetes).
  • Understanding of network protocols, security best practices, and scalable API design.
  • Experience with Git, CI/CD pipelines, and modern DevOps practices.
  • Experience working within Agile/Scrum development teams, participating in sprint planning, code reviews, and collaborative solutioning.
  • Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
  • Limited immigration sponsorship may be available
  • Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve

Preferred

  • Experience developing or deploying AI solutions, custom hardware, or high-performance platforms.
  • Proven ability to communicate complex technical concepts clearly and effectively.
  • Analytical ability to manage multiple projects and prioritize tasks into manageable work products
  • Can operate independently or with minimum supervision
  • Excellent Written and Communication Skills
  • Ability to deliver technical demonstrations

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $113,300-188,900.

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance.

Education:Bachelor's DegreeEmployment Type:

What Deloitte employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom