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Smart Contract Engineer Jobs in Wisconsin (NOW HIRING)

WI · On-site

  • PTO

A permanent contract with 42 paid vacation days (20 statutory, 12 ADV, and 10 public holidays).* A ... We develop innovative construction projects for smart mobility and sustainable buildings. And we ...

New

Stefanini provides the IT contract resources you need to implement crucial projects, handle short ... This team rewards smart ideas and thrives on ownership of their work processes. Proven problem ...

HVAC Controls Systems Engineer

Appleton, WI · On-site

$75K - $105K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Build your best future with the Johnson Controls team As a global leader in smart, healthy and ... Designs and configures are technically complex building control systems as defined by the contract ...

HVAC Controls Systems Engineer

Appleton, WI · On-site

$75K - $105K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Build your best future with the Johnson Controls team As a global leader in smart, healthy and ... Designs and configures are technically complex building control systems as defined by the contract ...

Reliability Lab Technician

Mount Pleasant, WI

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... your career in Smart Manufacturing. The Reliability Lab Technician will perform testing on ... Collaborate with operations, engineering, manufacturing, and regulatory functions to ensure quality ...

Showing results 21-40

Smart Contract Engineer information

See Wisconsin salary details

$38.4K

$116.9K

$193.3K

How much do smart contract engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for smart contract engineer in Wisconsin is $116,948.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,800.00 and $152,900.00 per year, depending on experience, location, and employer.

What is a smart contract engineer?

A Smart Contract Engineer is a software developer who specializes in designing, developing, testing, and deploying smart contracts on blockchain platforms such as Ethereum. These professionals write code—often in languages like Solidity or Vyper—that runs autonomously on the blockchain and governs transactions or agreements without the need for intermediaries. They also focus on security, auditing, and optimizing smart contract performance to prevent vulnerabilities. Smart Contract Engineers typically collaborate with blockchain architects, front-end developers, and project managers to build decentralized applications (dApps).

What are the key skills and qualifications needed to thrive as a smart contract engineer?

To thrive as a Smart Contract Engineer, you need strong proficiency in blockchain fundamentals, programming languages like Solidity or Vyper, and a solid understanding of cryptographic principles, usually backed by a degree in computer science or related experience. Familiarity with blockchain development frameworks (e.g., Truffle, Hardhat), version control (Git), and security auditing tools is essential. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for this role. These skills ensure the development of secure, efficient, and reliable smart contracts that underpin decentralized applications and financial systems.

What are some common challenges smart contract engineers face when ensuring contract security?

Smart Contract Engineers often encounter challenges related to identifying and mitigating vulnerabilities such as reentrancy attacks, integer overflows, and unauthorized access. Since smart contracts are immutable once deployed, engineers must rigorously test and audit their code to prevent costly errors or exploits. Collaborating with auditors, using established security frameworks, and staying updated on the latest security threats are essential practices to maintain robust and secure smart contracts.

What is the difference between Smart Contract Engineer vs Blockchain Developer?

AspectSmart Contract EngineerBlockchain Developer
CredentialsKnowledge of blockchain platforms, Solidity, cryptographyBroader programming skills, blockchain fundamentals
Work EnvironmentFocus on smart contract coding, testing, deploymentDeveloping blockchain applications, protocols
Industry UsagePrimarily in DeFi, NFT, and dApp projectsWide range including wallets, exchanges, dApps
Search IntentComparing smart contract roles, coding specificsBroader blockchain development roles

While both roles work within the blockchain industry, a Smart Contract Engineer specializes in designing, coding, and deploying smart contracts on blockchain platforms. A Blockchain Developer has a broader scope, including developing entire blockchain applications and protocols. The Smart Contract Engineer's focus is more technical and contract-specific, whereas the Blockchain Developer's role encompasses a wider range of blockchain solutions.

How to become a smart contract engineer?

A smart contract engineer develops and deploys blockchain-based contracts, requiring knowledge of blockchain platforms like Ethereum, programming languages such as Solidity or Vyper, and understanding of cryptography and decentralized systems. Gaining experience through coding projects, online courses, and certifications can help build relevant skills. Familiarity with development tools like Remix, Truffle, or Hardhat is also beneficial.

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

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

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

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

Infographic showing various Smart Contract 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 $116,948 per year, or $56.2 per hour.

Software Engineer - Data Center Engineering

Johnson Controls, Inc.

Glendale, WI • On-site

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted 17 days ago


Johnson Controls rating

8.0

Company rating: 8.0 out of 10

Based on 409 frontline employees who took The Breakroom Quiz

136th of 540 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

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 Google Cloud Platform) 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 ;br>
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