CareerZen Logo
Company logo

Junior Fullstack Engineer

SerpApi

Full-time

Austin, TX

Job description

Lithionics Battery is powering the future—and we want you to help build it.
We’re seeking a passionate and skilled Software Engineer to join our growing team, with a sharp focus on developing robust Bluetooth-enabled applications (iPhone & Android) and Windows-based software solutions. You’ll play a pivotal role in designing, building, and optimizing applications that interface with hardware devices via Bluetooth & serial communications (CAN Bus), while delivering seamless user experiences on the mobile device and Windows platform.

What You’ll Do

  • Design, develop, and maintain mobile devices & Windows applications with integrated Bluetooth functionality & serial communications.
  • Collaborate with cross-functional teams including hardware engineers, UX designers, and QA testers
  • Implement and optimize Bluetooth communication protocols (BLE, Classic) for device connectivity
  • Troubleshoot and resolve issues related to Bluetooth pairing, data transfer, and device compatibility
  • Ensure applications meet performance, reliability, and security standards
  • Write clean, scalable, and well-documented code
  • Stay current with emerging Bluetooth standards and Windows development technologies
  • Stay current with emerging Bluetooth standards and Windows development technologies
  • Participate in code reviews and contribute to continuous improvement initiatives
  • GitHub management / GitHub support
  • Database creation / management for telematics data coming in from customer base.

What You Bring

  • Bachelor’s degree in computer science, Engineering, or related field (preferred).
  • 3+ years of hands-on software development experience, with a strong emphasis on Windows applications and phone app creation.
  • Demonstrated proficiency in C, .NET, Windows Framework, Android Studio, and Xcode.
  • Deep understanding and hands-on experience with Bluetooth Low Energy (BLE) and CAN-based development tools.
  • Knowledge of Windows Bluetooth APIs and device communication frameworks.
  • Strong debugging, performance tuning skills.
  • Excellent communication, problem-solving and project management skills.
  • Ability to manage project and project timeline to expectations.
  • A proactive mindset and ability to work both independently and collaboratively.

Why Lithionics?

At Lithionics, we’re not just building batteries, we’re building smarter, cleaner energy solutions. Join a team that values innovation, collaboration, and continuous learning. Your work will directly contribute to shaping the future of energy storage and mobility.

Job Type: Full-time

Benefits:

  • 401(k) matching
  • Bereavement leave
  • Dental insurance
  • Disability insurance
  • Flexible spending account
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid holidays
  • Paid parental leave
  • Paid time off
  • Relocation assistance
  • Vision insurance

Application Question(s):

  • What is your salary expectation for this position?

Experience:

  • software development: 3 years (Required)

Ability to Relocate:

  • Clearwater, FL 33765: Relocate before starting work (Preferred)

Work Location: In person