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Backend Engineer Jobs in Wisconsin (NOW HIRING)

US Bank

Software Engineer 1 - Mobile

Brookfield, WI · On-site

The candidate will be adept with the agile software development lifecycle and DevOps principles ... Experience building backend-driven mobile applications and SDK-based integrations * Strong ...

MLG Capital

Analytics Engineer

Brookfield, WI

Rather than hiring a narrowly scoped reporting analyst or narrow data engineer, MLG Capital is adding a versatile utility player who can help move data from source to insight, supporting backend data ...

GE HealthCare

Senior Software Engineer - Digital

Waukesha, WI · On-site

$122K - $161K/yr

This role involves collaborating with architects, designers, and backend engineers to deliver secure and scalable clinical workflow solutions. Responsibilities : • Be responsible for defining ...

U.S. Bank

Software Engineer 1 - Mobile

Brookfield, WI

$125K - $156K/yr

Conducts code reviews to provide guidance on engineering best practices and compliance with ... Experience building backend-driven mobile applications and SDK-based integrations * Strong ...

Qualysoft

... backend developers to ensure seamless integration between design and implementation. - Advocate for best practices in UI/UX and frontend development, ensuring consistency, accessibility, and ...

Indeed

Software Engineer II

Milwaukee, WI

$140K - $210K/yr

Proficiency in one or more modern backend programming languages (e.g., Java, Kotlin, or similar). * Experience building and operating large-scale, high-performance, and resilient systems. * Excellent ...

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Backend Engineer information

See Wisconsin salary details

$61.1K

$149K

$200.9K

How much do backend engineer jobs pay per year?

As of Jun 10, 2026, the average yearly pay for backend engineer in Wisconsin is $149,043.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,200.00 and $173,600.00 per year, depending on experience, location, and employer.

What are some common challenges Backend Engineers face when integrating new technologies into existing systems?

Backend Engineers often encounter challenges when integrating new technologies, such as ensuring compatibility with legacy systems, maintaining data consistency, and minimizing service disruptions during deployment. They must carefully plan migrations, coordinate with frontend and DevOps teams, and implement thorough testing to avoid introducing bugs or security vulnerabilities. Effective communication and documentation are key to overcoming these challenges and ensuring a smooth transition.

What are the key skills and qualifications needed to thrive as a Backend Engineer, and why are they important?

To thrive as a Backend Engineer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of algorithms, and experience with databases, typically supported by a degree in computer science or related field. Familiarity with tools such as RESTful APIs, cloud platforms (e.g., AWS, Azure), version control systems (like Git), and containerization technologies (Docker, Kubernetes) is common. Problem-solving ability, attention to detail, and effective communication are vital soft skills for this role. These skills and qualities are essential for building robust, scalable systems and collaborating efficiently within development teams.

What is the difference between Backend Engineer vs Software Developer?

AspectBackend EngineerSoftware Developer
Primary FocusDesigning, building, and maintaining server-side applications and databasesDeveloping software across various layers, including frontend and backend
Skills & CertificationsProficiency in server-side languages (e.g., Java, Python), databases, APIsProficiency in multiple programming languages, software design, and sometimes frontend skills
Work EnvironmentTypically in backend teams, working on server infrastructure and APIsCan work on full-stack or specific areas; broader scope
Industry UsageCommon in tech companies, startups, and enterprises focusing on backend systemsWidespread across all software development sectors

While both roles involve coding and software development, Backend Engineers specialize in server-side logic, databases, and APIs, whereas Software Developers may work on both frontend and backend components. The roles often overlap, but Backend Engineers focus more on the infrastructure that powers applications.

What are Backend Engineers?

Backend Engineers are software developers who focus on building and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They ensure that the data requested by the frontend systems is delivered efficiently and securely. Their work involves writing code in languages like Python, Java, or Node.js, integrating with databases, and optimizing the overall performance of applications. Backend Engineers also play a crucial role in ensuring data integrity and implementing security best practices.
More about Backend Engineer jobs
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Backend Engineer jobs near you
Software Engineer - Data Center Engineering

Software Engineer - Data Center Engineering

Johnson Controls

Glendale, WI • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 8 days ago

Johnson Controls rating

8.0

Company rating: 8.0 out of 10

Based on 386 frontline employees who took The Breakroom Quiz

131st of 516 rated manufacturers

Job description

Build your best future with the Johnson Controls team!
Who we are:
Johnson Controls is global leader in smart, healthy, and sustainable buildings. Our mission is to reimagine the performance of buildings to serve people, places, and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries across the globe. You will have the opportunity to develop yourself through meaningful work projects and learning opportunities. We strive to provide our employees with an experience focused on supporting their physical, financial, and emotional wellbeing. Become a member of the Johnson Controls family and thrive in an empowering company culture where your voice and ideas will be heard - your next great opportunity is just a few clicks away!
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

**To be considered for this role, candidates must be a U.S. Citizen or a U.S. Permanent Resident (Green Card holder).
What you will do
Johnson Controls is building the next generation of intelligent building systems for the world's most demanding environments, hyperscale data centers. We're looking for a technically versatile engineer who loves both crafting intuitive user interfaces and engineering the backend systems that power them.
This role sits inside our Data Center Controls Innovation Engineering team at our Controls Product Development Center in Glendale, WI. You'll be embedded in a collaborative lab and software environment working alongside experienced engineers on middleware platforms, web applications, and building automation systems deployed in critical infrastructure globally. If you're someone who cares about both how a system works under the hood and how a user experiences it on screen, this is the role for you.
This position is 100% on-site at our new Controls Product Development Center and Lab in Glendale, WI, where you'll collaborate closely with cross-disciplinary teams and work hands-on with real products. The role may include up to 20% travel.
How you will do it
  • Designing and building full stack features across the entire application layer: RESTful APIs, middleware services, and responsive web UIs
  • Writing clean, maintainable code in modern JavaScript/TypeScript (React, Node.js) and Python for backend services and data pipelines
  • Developing and maintaining middleware integrations between building automation systems, IoT field devices, and cloud platforms
  • Building dashboards and data visualization tools that surface real-time and historical data center telemetry to operators and engineers
  • Collaborating with embedded and controls engineers to define APIs and data contracts between device firmware and software layers
  • Participating in code reviews, writing unit and integration tests, and supporting CI/CD pipelines
  • Tracking development tasks and workflows in JIRA, keeping features visible and shipping on schedule
  • Building and presenting technical designs, sprint demos, and status updates for engineering and project stakeholders
  • Collaborating with cross-functional and global engineering teams to hit project milestones

What we look for
Required Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related field
  • 0 to 5 years of professional or internship experience; new graduates are welcome
  • Proficiency in JavaScript or TypeScript with hands-on experience in a modern frontend framework (React preferred)
  • Experience building and consuming RESTful APIs and working with backend frameworks (Node.js, Python/Flask, or similar)
  • Solid understanding of web fundamentals: HTML, CSS, HTTP, and browser rendering
  • Familiarity with relational or time-series databases and writing queries (SQL, InfluxDB, or similar)
  • Basic experience with containerization and deployment tooling (Docker, CI/CD pipelines)
  • Comfortable working in a Linux/Unix environment and using Git for version control
  • Strong problem-solving instincts; you dig into issues and follow threads across the stack rather than waiting for someone else to solve them
  • Organized and clear communicator; you can write a concise technical summary and present it to a room
  • Proficient with standard engineering and project tools: JIRA, Confluence, or equivalent
  • Must be authorized to work in the U.S.; no sponsorship available
  • Must be able to work 100% on-site in Glendale, WI; up to 20% travel

Preferred Qualifications
  • Exposure to MQTT, WebSockets, or other real-time data protocols used in IoT or industrial systems
  • Experience with embedded systems
  • Familiarity with C/C++ and/or Rust
  • Familiarity with data center infrastructure, HVAC systems, or Building Automation Systems (BAS)
  • Experience integrating with third-party hardware APIs or industrial protocols (BACnet, Modbus, OPC-UA)
  • Exposure to cloud platforms (AWS, Azure, or GCP) and serverless or microservices architectures
  • Experience working with cross-functional or globally distributed engineering teams
  • An eye for the business context behind engineering decisions

SALARY RANGE: $93,000 - $140,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This role offers a competitive Bonus plan that will take into account individual, group, and corporate performance. This position includes a competitive benefits package. 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. 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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