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Api Engineer Jobs in Wisconsin (NOW HIRING)

Jobtailor

Senior Integrations Engineer

Delafield, WI · On-site

$95 - $140/hr

Collaborate daily with Engineering, Operations, Sales, Customer Success, and customers throughout ... Experience building enterprise API integrations * Strong understanding of REST APIs and API ...

New

Nrg Bluewater Wind

WI · On-site

$120 - $180/hr

The Security Engineer acts as a critical partner across Architecture, Engineering, Cloud ... Apply Zero Trust and least-privilege principles to identity, access, API, MCP, connector, and ...

API Heat Transfer

Aluminum MIG & TIG Welder

Racine, WI · On-site

$19.75 - $25.75/hr

... engineering expertise with a drive to solve complex challenges--consistently delivering the right solutions for our customers. API Heat Transfer is looking for people who enjoy being part of ...

DTN (Data Transmission Network)

WI · On-site

$115 - $165/hr

Lead the development and expansion of semantic API architecture including schema design, resolver ... Collaborate with Data Engineering teams to integrate data sources and transformation patterns;

API Heat Transfer

Aluminum MIG & TIG Welder

Racine, WI · On-site

$19.75 - $25.75/hr

... engineering expertise with a drive to solve complex challenges-consistently delivering the right solutions for our customers. API Heat Transfer is looking for people who enjoy being part of ...

API Heat Transfer

Aluminum MIG & TIG Welder

Racine, WI · On-site

$19.75 - $25.75/hr

... engineering expertise with a drive to solve complex challenges--consistently delivering the right solutions for our customers. API Heat Transfer is looking for people who enjoy being part of ...

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Showing results 21-40

All JobsApi Engineer JobsApi Engineer Jobs in Wisconsin

Api Engineer information

See Wisconsin salary details

$25

$54

$77

How much do api engineer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for api engineer in Wisconsin is $54.13, according to ZipRecruiter salary data. Most workers in this role earn between $43.65 and $62.84 per hour, depending on experience, location, and employer.

What does an API engineer do?

An API Engineer is responsible for designing, developing, and maintaining application programming interfaces (APIs) that allow different software systems to communicate with each other. They ensure APIs are efficient, secure, and scalable, often working closely with front-end and back-end developers to integrate new features or services. API Engineers also write documentation, perform testing, and troubleshoot any issues related to API functionality. Their work is essential in enabling seamless data exchange and connectivity between various platforms and applications.

What are the key skills and qualifications needed to thrive as an API engineer, and why are they important?

To thrive as an API Engineer, you need strong programming skills (often in languages like Java, Python, or Node.js), a solid understanding of RESTful and/or GraphQL APIs, and relevant experience or a degree in computer science or a related field. Familiarity with API management tools (such as Postman, Swagger, or Apigee), cloud platforms, and authentication protocols like OAuth is typically expected. Excellent problem-solving abilities, attention to detail, and effective communication skills help you collaborate with cross-functional teams and address integration challenges. These competencies are crucial for building secure, scalable, and reliable APIs that enable seamless data exchange and power modern applications.

How does an API engineer typically collaborate with frontend and backend teams during the development lifecycle?

API Engineers play a crucial role in bridging the gap between frontend and backend teams. They often work closely with frontend developers to understand data requirements and ensure that APIs deliver the necessary information efficiently and securely. Simultaneously, they collaborate with backend engineers to integrate APIs with databases and other services, ensuring robust performance and scalability. Regular communication and participation in agile ceremonies like sprint planning or stand-ups help prevent misalignments and keep development on track.

What is the difference between Api Engineer vs Software Developer?

AspectApi EngineerSoftware Developer
Required CredentialsBachelor's in CS or related, API-specific certificationsBachelor's in CS or related, general programming certifications
Work EnvironmentFocus on API design, development, and integrationDevelops a wide range of software applications
Employer & Industry UsageTech companies, SaaS providers, API-centric businessesBroadly across all industries, including tech, finance, healthcare
Search & Comparison IntentUnderstanding API-specific roles, skills, and responsibilitiesGeneral software development roles and career paths

Api Engineers specialize in designing, developing, and maintaining APIs to enable software communication, often working closely with backend systems. Software Developers create a wide range of applications across various platforms. While both roles require programming skills and similar educational backgrounds, Api Engineers focus more on API architecture and integration, whereas Software Developers work on broader software solutions.

Are API engineers in demand?

API engineers are in high demand due to the increasing reliance on web services and cloud-based applications. They typically require skills in REST, SOAP, and programming languages like Python or Java, and often find opportunities across technology, finance, and healthcare sectors. The role is expected to grow as digital integration becomes more essential for businesses.

How much do API engineers make?

API engineers typically earn a median salary ranging from $90,000 to $130,000 annually, depending on experience, location, and industry. Skilled API engineers with expertise in REST, GraphQL, and cloud platforms can command higher salaries, especially in tech hubs or with advanced certifications.

What are popular job titles related to Api Engineer jobs in Wisconsin?

For Api Engineer jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Api Engineer jobs in Wisconsin look for?

The top searched job categories for Api Engineer jobs in Wisconsin are:

Api Engineer jobs near you
Infographic showing various Api Engineer job openings in Wisconsin as of August 2026, with employment types broken down into 93% Full Time, 4% Part Time, and 3% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $112,596 per year, or $54.1 per hour.

Steel Welder - 1st Shift

API Heat Transfer

Franklin, WI

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 15 days ago

Job description

API Heat Transfer is looking for people who enjoy being part of a transformation.

Join Our Team

General ThermoDynamics, an API Heat Transfer Company, is seeking a skilled Steel Welder to join our Copper Brass Production team. This role is responsible for welding and fabricating carbon steel components used in the manufacture of industrial heat exchangers serving critical industries worldwide.

We are looking for individuals who take pride in producing high-quality work, maintaining safe work practices, and contributing to a team-focused manufacturing environment.

What You'll Do
  • Perform MIG, TIG, Flux Core, and/or Stick welding on carbon steel components and assemblies.
  • Interpret engineering drawings, blueprints, weld symbols, and work instructions.
  • Prepare materials through grinding, fitting, aligning, and positioning prior to welding.
  • Inspect completed welds to ensure compliance with quality standards and specifications.
  • Perform weld repairs as needed.
  • Safely operate overhead cranes, lifting devices, and production equipment.
  • Accurately complete production and quality documentation.
  • Maintain a clean and organized work area.
  • Follow all safety procedures and PPE requirements.
  • Support continuous improvement initiatives that drive safety, quality, and productivity.
What We're Looking ForRequired Qualifications
  • High School Diploma or GED preferred.
  • Minimum of 1 year of welding experience in a manufacturing environment.
  • Ability to read and interpret blueprints and weld symbols.
  • Strong measuring and layout skills.
  • Ability to use hand tools, grinders, and fabrication equipment.
  • Strong attention to detail and commitment to quality.
  • Ability to work effectively in a team environment.
Preferred Qualifications
  • Prior experience in heat exchanger, pressure vessel, or heavy industrial manufacturing.
  • AWS welding certifications.
  • Experience operating overhead cranes.
  • Knowledge of lean manufacturing and continuous improvement practices.
Physical Requirements
  • Ability to stand, walk, bend, and lift throughout the shift.
  • Ability to lift up to 50 pounds with or without reasonable accommodation.
  • Ability to work in a manufacturing environment with exposure to heat, noise, welding fumes, and moving equipment.
  • Ability to wear required PPE, including welding helmet, gloves, safety glasses, hearing protection, and steel-toed footwear.
Why Join General ThermoDynamics?
  • Competitive pay
  • Comprehensive benefits package
  • Health, Dental, and Vision Insurance
  • 401(k) with Company Match
  • Paid Time Off and Paid Holidays
  • Career growth and advancement opportunities
  • Stable manufacturing environment with a global customer base
  • Safety-focused workplace culture
Apply Today

If you are a dependable welder who values quality workmanship and wants to build a career with a leading manufacturer, we encourage you to apply.

General ThermoDynamics, an API Heat Transfer Company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, veteran status, genetic information, or any other protected status under applicable law.

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