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Freelance Battery Storage Jobs (NOW HIRING)

Toptal

Hardware Engineer

Rochester, NY · On-site

$121K - $160K/yr

We offer freelance opportunities strictly on an independent contractor basis.* For one of our ... Experience with battery systems, battery management systems (BMS), energy storage, or fuel cell ...

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How much do freelance battery storage jobs pay per hour?

As of Jul 21, 2026, the average hourly pay for freelance battery storage in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.
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Hardware Engineer

Hardware Engineer

Toptal

Rochester, NY • On-site

$121K - $160K/yr

Other

Posted 4 days ago

New

Job description

Toptal is an exclusive network of the world's top freelance software developers, designers, finance experts, marketing professionals, product managers, and project managers. We offer freelance opportunities strictly on an independent contractor basis.*


For one of our clients in the automotive and energy technology space, we are currently looking for an Electrical Hardware Engineer to lead the electrical architecture and hardware development of next-generation energy storage solutions, including battery and fuel cell systems. In this role, you'll own the design and integration of electrical subsystems, collaborate across multidisciplinary engineering teams, and contribute to products from concept through validation and regulatory compliance.


Key requirements:

  • 5+ years of hands-on experience in electrical hardware design and development
  • Experience with battery systems, battery management systems (BMS), energy storage, or fuel cell applications
  • Strong background in electrical circuit design, schematic capture, PCB development, and simulation tools such as SPICE
  • Hands-on experience with Altium, OrCAD, or similar electrical CAD tools
  • Experience designing embedded hardware with CAN and/or Ethernet communication interfaces
  • Knowledge of electrical design standards and regulatory compliance, including UL, IPC, and IEC
  • Experience developing prototypes, testing, troubleshooting, and optimizing designs for manufacturability


Engagement Highlights:

  • Long-term contract opportunity (12+ months) with potential for full-time conversion
  • Hybrid engagement requiring on-site collaboration in Rochester, NY, 3 days per week
  • Preferred commitment of 40 hours per week


If this opportunity aligns with your experience and interests, we encourage you to apply.


*Please note that we are unable to support C2C (Corp-to-Corp), C2H (Contract-to-Hire), or engagements through third-party employers.

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