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Smart Contract Developer Jobs in Connecticut (NOW HIRING)

Barnes Group

Mgr, Maintenance II

East Hartford, CT · On-site

Oversee maintenance schedules, service contracts, and lifecycle planning for equipment and ... Implement energy efficiency programs (e.g., LED lighting, smart building systems, renewable energy ...

Varsity Tutors

C++ Tutor

New Haven, CT · Remote

$18 - $40/hr

... smart pointers while preparing students for systems programming, game development, and computer ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

C++ Tutor

Stamford, CT · Remote

$18 - $40/hr

... smart pointers while preparing students for systems programming, game development, and computer ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

C++ Tutor

Bridgeport, CT · Remote

$18 - $40/hr

... smart pointers while preparing students for systems programming, game development, and computer ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

C++ Tutor

Hartford, CT · Remote

$18 - $40/hr

... smart pointers while preparing students for systems programming, game development, and computer ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

C++ Tutor

Norwalk, CT · Remote

$18 - $40/hr

... smart pointers while preparing students for systems programming, game development, and computer ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Inserso

Network Support Technician

Hartford, CT · On-site

This position supports Surge Support requirements and is subject to inclusion in future contract ... Must possess experience of system engineering in one or more areas including telecommunications ...

Verdantas

Senior Planner / Planning Leader

Middletown, CT · On-site +1

$100K - $115K/yr

We partner with clients to deliver smart, data-driven solutions to complex environmental and ... This role will work closely with engineers, landscape architects, environmental scientists, and ...

D&D Power, LLC

Work Management Specialist

Meriden, CT · On-site

At United Utility, we craft power delivery solutions - built safe, engineered smart, and driven by ... Experience reading, evaluating, interpreting, and communicating provisions of contracts is ...

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Showing results 21-40

All JobsSmart Contract Developer JobsSmart Contract Developer Jobs in Connecticut

Smart Contract Developer information

See Connecticut salary details

$38.1K

$123K

$150.8K

How much do smart contract developer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for smart contract developer in Connecticut is $123,047.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,800.00 and $149,400.00 per year, depending on experience, location, and employer.

What is a smart contract developer?

Smart Contract Developers are professionals who design, write, and deploy self-executing contracts on blockchain platforms such as Ethereum. These contracts encode rules and agreements into code, enabling automated and trustless transactions between parties. Smart Contract Developers are skilled in blockchain technologies and programming languages like Solidity, and they ensure that contracts are secure, efficient, and function as intended. They often work with decentralized applications (dApps) and participate in the broader ecosystem of blockchain development.

What are some common challenges smart contract developers face when working on blockchain projects?

Smart Contract Developers often encounter challenges such as ensuring code security, avoiding vulnerabilities like reentrancy attacks, and dealing with the immutability of deployed contracts, which makes fixing bugs post-deployment difficult. Additionally, they must stay updated on rapidly evolving blockchain frameworks and tools, and work closely with auditors and project managers to ensure compliance and correctness. Collaborating with front-end and back-end developers is also key, as smart contracts often form the backbone of decentralized applications requiring seamless integration.

What are the key skills and qualifications needed to thrive as a smart contract developer, and why are they important?

To thrive as a Smart Contract Developer, you need a strong grasp of blockchain fundamentals, proficiency in programming languages like Solidity or Vyper, and experience with decentralized application (dApp) development. Familiarity with tools such as Truffle, Hardhat, Remix, and knowledge of smart contract auditing and security best practices is essential. Analytical thinking, attention to detail, and strong problem-solving skills are critical soft skills for this role. These abilities ensure the creation of secure, efficient, and reliable smart contracts that underpin trustworthy decentralized systems.

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

AspectSmart Contract DeveloperBlockchain Developer
CredentialsKnowledge of Solidity, Ethereum, smart contract securityKnowledge of blockchain protocols, cryptography, and development tools
Work EnvironmentFocus on writing, testing, and deploying smart contracts on blockchain platformsDevelops entire blockchain applications, including smart contracts and decentralized apps
Industry UsagePrimarily in DeFi, NFT, and blockchain-specific projectsBroader blockchain solutions, including infrastructure and application development

While both roles work within the blockchain industry, a Smart Contract Developer specializes in creating and securing smart contracts, whereas a Blockchain Developer has a broader scope, including building entire blockchain systems and applications.

What are popular job titles related to Smart Contract Developer jobs in Connecticut?

For Smart Contract Developer jobs in Connecticut, the most frequently searched job titles are:

What job categories do people searching Smart Contract Developer jobs in Connecticut look for?

The top searched job categories for Smart Contract Developer jobs in Connecticut are:

What cities in Connecticut are hiring for Smart Contract Developer jobs?

Cities in Connecticut with the most Smart Contract Developer job openings:

Smart Contract Developer jobs near you
Infographic showing various Smart Contract Developer job openings in Connecticut as of August 2026, with employment types broken down into 2% As Needed, 70% Full Time, 21% Part Time, 3% Temporary, and 4% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $123,047 per year, or $59.2 per hour.

HVAC Building Controls Systems Engineer

Johnson Controls

Wallingford, CT

$73K - $95K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 3 days ago

New

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!As a 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
  • Sing-on-bonus or relocation assistance
  • Paid vacation/holidays/sick time - 15 days of vacation first year
  • Comprehensive benefits package including 401K, medical, dental, and vision care - Available day one.
  • Extensive product and on the job/cross training opportunities
  • With outstanding resources Encouraging and collaborative team environment Dedication to safety through our Zero Harm policy
  • Career advancement opportunities
What you will doUnder general direction, responsible for the design, configuration, and operation of complete building control systems with a focus on HVAC Controls to meet the intent of the project requirements. Accountable to field teams for quality, timeliness and efficiency of designs. Develops complex software programs, commissions and troubleshoots to ensure proper operations of the building control system. Provides detailed information and submittals to communicate design and operation to customers, consultants, Johnson Controls field installation team and subcontractors.How will you do it
  • Designs and configures are technically complex building control systems as defined by the contract documents. Creates flow diagrams, sequence of operations, bill of material, network layouts and electrical schematics as required.
  • Develops and tests software programs necessary to operate the system as per the intent of the project requirements.
  • Coordinates the creation of necessary drawings and equipment schedules for submittals and installation.
  • Selects, orders, and tracks the delivery of materials for assigned projects. Coordinates factory-mounting processes to meet factory and project schedule.
  • Assists in the loading and commissioning of all system and network-level controllers as required. Assists in validation of complete system functionality and troubleshoots problems with subcontractors and other trades to ensure proper operation.
  • Provides field change information to the project team for the creation of as-built drawings and software.
  • Keeps management and JCI contractor or customer informed of job progress and issues. Collects and inputs data to track project progress using collaborative dashboards.
  • Assists in performing site-specific training for owner/operator on the total building control system.
  • Participates in release meeting with project field team. Performs value engineering to provide cost effective results while maintaining customer satisfaction.
  • Coordinates with project owners to determine engineering & field execution task responsibilities.
  • May provide work directions to Systems Design Assistants and other assigned project resources.
  • Adheres to safety standards. High degree of regard to employee and subcontractor safety.
What we look for:Required
  • Associate or Technical degree, three years of related technical relevant work experience required;or equivalent work experience (with no degree) as a commercial HVAC Controls Technician, Engineer, or Installer.
  • Demonstrated knowledge of the HVAC industry.
  • Demonstrated knowledge of control theory, automatic temperature controls, building automation systems and other building subsystemsfrom a design, installation, and/or commissioning perspective.
  • Demonstrated experience in the integration of low voltage building sub-systems using various industry protocols. Ability to relate technical knowledge to a non-technical audience.
  • Demonstrated advanced computer skills required, particularly computer-related drafting tools.
  • Travel to job sites outside of the area as needed to support the customer needs.
Preferred
  • Bachelor's degree in engineering with a minimum of three years of experience
HIRING SALARY RANGE: $73,000 - $95,000 (Salary to be determined by the education, experience,knowledge, skills, and abilities of the applicant, internal equity, and alignment with marketdata.) This role offers a competitive Bonus plan that will take into account individual, group,and corporate performance. This position includes a competitive benefits package. Theposted salary range reflects the target compensation for this role. However, we recognizethat exceptional candidates may bring unique skills and experiences that exceed the typicalprofile. If you believe your background warrants consideration beyond the stated range, weencourage you to apply. To support an efficient and fair hiring process, we may usetechnology assisted tools, including artificial intelligence (AI), to help identify and evaluatecandidates. All hiring decisions are ultimately made by human reviewers. For details, pleasevisit the About Us tab on the Johnson Controls Careers site at About us - Johnson Controls Careers

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.

What Johnson Controls employees say

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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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