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Smart Jobs in Union, NJ (NOW HIRING)

De Circle

Spark.Fi - Smart Contract

New York, NY · On-site +1

We are looking for a Senior Smart Contract Engineer to help architect and build the core primitives behind Spark's vault infrastructure, AMM integrations, and yield-generating systems. This is a ...

First Student, Inc.

Smart Pick Monitor

Brooklyn, NY · On-site

$17/hr

Now Hiring Full Time School Bus Monitors/Aides - Smart Pick New York City As a Full Time School Bus Monitor, you will play a vital role in your community and the lives of the students. You will ...

Waterfall

Smart Contract Engineer (EVM)

New York, NY · On-site +1

$120K - $200K/yr

Ability to build out the entire protocol in Solidity (+Yul) 9+ months of experience writing smart contracts for the EVM ecosystem 4+ years of programming experience Great communication skills between ...

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$32.6K

$103.4K

$197.2K

How much do smart jobs pay per year?

As of Aug 24, 2026, the average yearly pay for smart in Union, NJ is $103,445.00, according to ZipRecruiter salary data. Most workers in this role earn between $57,100.00 and $149,800.00 per year, depending on experience, location, and employer.

What is a smart job?

Smart jobs typically refer to roles that involve the use of advanced technology, automation, or data-driven decision-making to improve efficiency and productivity. These jobs are often found in sectors like information technology, smart manufacturing, smart cities, and the Internet of Things (IoT). Employees in smart jobs use tools such as artificial intelligence, machine learning, and connected devices to perform tasks, solve problems, and optimize operations. As industries continue to adopt digital transformation, smart jobs are becoming increasingly important and in demand.

What are the key skills and qualifications needed to thrive as a smart home technician?

To thrive as a Smart Home Technician, you need expertise in electrical systems, networking, and IoT device integration, often supported by certifications like CompTIA A+ or manufacturer-specific credentials. Familiarity with home automation platforms (such as Control4, Crestron, or Google Home) and troubleshooting tools is essential. Excellent problem-solving skills, attention to detail, and effective communication with clients are crucial soft skills for this role. These abilities ensure safe, efficient installation and maintenance of smart home systems, leading to customer satisfaction and reliable performance.

How do professionals in smart technology roles typically collaborate with cross-functional teams to deliver innovative solutions?

In smart technology roles, collaboration with cross-functional teams is essential to drive innovation and deliver integrated solutions. Professionals frequently work alongside engineers, data scientists, and product managers to develop, test, and refine smart systems or devices. Regular meetings, shared project management tools, and agile methodologies are commonly used to ensure alignment and effective communication. This environment fosters a culture of continuous learning and improvement, allowing team members to contribute their expertise and learn from others in related disciplines.

What job categories do people searching Smart jobs in Union, NJ look for?

The top searched job categories for Smart jobs in Union, NJ are:

What cities near Union, NJ are hiring for Smart jobs?

Cities near Union, NJ with the most Smart job openings:

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Infographic showing various Smart job openings in Union, NJ as of August 2026, with employment types broken down into 2% As Needed, 72% Full Time, 22% Part Time, 1% Temporary, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $103,445 per year, or $49.7 per hour.

Spark.Fi - Smart Contract

De Circle

New York, NY • On-site, Remote

Full-time

Re-posted 7 days ago

Job description

Spark is building one of the most important pieces of infrastructure in DeFi: a scalable on-chain capital allocation engine designed to move billions in liquidity efficiently across lending markets, yield strategies, and liquidity venues.
As the ecosystem matures, the challenge is no longer simply creating protocols, but designing systems that can intelligently deploy capital, generate sustainable yield, and manage liquidity at scale across increasingly fragmented markets. Spark sits directly at the center of that evolution.
We are looking for a Senior Smart Contract Engineer to help architect and build the core primitives behind Spark's vault infrastructure, AMM integrations, and yield-generating systems. This is a deeply technical role focused on designing secure, capital-efficient smart contract systems that interact with lending protocols, liquidity pools, and automated strategy frameworks across the DeFi ecosystem.
The ideal candidate understands that modern DeFi infrastructure is ultimately a liquidity coordination problem. You should be comfortable thinking about how capital moves between protocols, how yield is generated and distributed, how vault systems abstract complexity for users, and how liquidity mechanisms behave under real market conditions.
You will work on:
  • ERC-4626 vault architectures
  • Yield allocation and rebalancing systems
  • AMM and liquidity pool integrations
  • Automated capital deployment frameworks
  • Treasury and liquidity management infrastructure
  • Reward distribution and fee accounting systems
  • Strategy execution and risk-aware routing mechanisms

A large part of the role involves building systems that abstract complexity while remaining transparent, composable, and secure. You will contribute to infrastructure responsible for managing large-scale on-chain liquidity and enabling efficient access to yield across the broader DeFi landscape.
This is not a role focused purely on writing Solidity in isolation. We are looking for someone who understands the economic behavior behind the code:
  • how liquidity behaves under volatility,
  • how yield incentives shape user behavior,
  • how AMMs impact capital efficiency,
  • how vault architectures can optimize deployment strategies,
  • and how protocol design decisions influence systemic risk.

You'll collaborate closely with protocol engineers, treasury and risk contributors, and product stakeholders to design systems that can scale responsibly while remaining highly composable within the broader Ethereum ecosystem.
What We're Looking For
You likely have several years of experience building production-grade smart contracts and have worked on systems involving:
  • vaults,
  • lending markets,
  • AMMs,
  • liquidity routing,
  • staking or yield systems,
  • or broader DeFi infrastructure.

You should feel comfortable owning systems end-to-end, from architecture discussions and protocol design to implementation, testing, optimization, and audit preparation.
Strong candidates will typically have experience with:
  • Solidity
  • Foundry / Hardhat
  • ERC-4626 vault standards
  • AMM mechanics and LP accounting
  • Yield aggregation systems
  • Oracle integrations
  • Upgradeable contract architectures
  • Gas optimization and security best practices

Experience working on live protocols with meaningful TVL is highly valuable, particularly if you have operated systems exposed to real liquidity conditions and adversarial environments.
We are especially interested in engineers who naturally think in terms of:
  • capital efficiency,
  • liquidity flows,
  • incentive alignment,
  • composability,
  • and protocol-level risk.

What Success Looks Like
In this role, success means designing systems that are:
  • secure under stress,
  • efficient in capital deployment,
  • easy to integrate with,
  • economically sustainable,
  • and capable of scaling across an increasingly modular DeFi ecosystem.

You will help shape infrastructure that sits underneath lending markets, savings products, liquidity strategies, and yield-generating primitives used across the broader on-chain economy.

Apply