Contract Backend Developer Jobs in Wisconsin (NOW HIRING)

Description

Our client is seeking a hands-on AI Platform Engineer to help build an AI-powered decision support platform. This individual will work closely with the Director of AI, Emerging Technology & MarTech, internal data scientists, development teams, and UX resources to design and build scalable AI applications.

This is a builder role. We're looking for someone who can take exposed datasets, architect solutions, build APIs, develop backend services, integrate AI capabilities, and help bring an AI product from concept to working application.

What You'll Do

- Design and build AI-enabled applications using Python

- Develop and maintain backend services, APIs, and integration layers

- Build data pipelines that connect business data to AI workflows

- Partner with data scientists to operationalize machine learning and AI solutions

- Architect application workflows that leverage LLMs and agentic AI patterns

- Integrate structured and unstructured data into AI-powered experiences

- Collaborate with UX, development, and project teams to deliver production-ready solutions

- Participate in Agile sprint planning and iterative product development

- Help establish best practices for AI application architecture, performance, and scalability

Required Qualifications

- 5+ years of software engineering or platform engineering experience

- Strong Python development experience

- Experience designing and building REST APIs

- Experience building production-grade applications

- Understanding of software architecture and system design

- Experience integrating AI or machine learning capabilities into applications

- Familiarity with cloud-based application development

- Experience working in Agile development environments

Preferred Qualifications:

Experience with:

- GenAI / LLM applications

- OpenAI, Azure OpenAI, Anthropic, or similar platforms

- Agentic AI frameworks

- RAG architectures

- Model Context Protocol (MCP)

Experience with:

- Snowflake

- Data lakes

- Data governance concepts

- Vector databases (Pinecone, Weaviate, Astra/Cassandra, etc.)

- Experience with modern frontend frameworks such as React, Vue, or Nuxt

- MLOps or AI platform experience

Additional Skills & Qualifications

Nuxt (frontend framework)

-Not a hard requirement

-React backgrounds could translate

Snowflake familiarity

-Doesn't need certification

-Understanding of data lakes and governance is sufficient

Vector databases

Pinecone

Weaviate

Astra/Cassandra ecosystem

This is a Contract position based out of Milwaukee, WI.

The pay range for this position is $70.00 - $85.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a hybrid position in Milwaukee,WI.

This position is anticipated to close on Jul 23, 2026.

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.