Demo

Senior Backend Engineer

Lightspark
Culver, CA Full Time
POSTED ON 5/23/2026
AVAILABLE BEFORE 6/21/2026
Lightspark is creating the Money Grid, modern, open financial infrastructure that makes payments accessible, affordable, and instant for businesses and users worldwide. We're challenging the status quo, updating the current system, and empowering our partners to build better solutions. Together, we're building the most advanced financial infrastructure, open, instant, and global, inspiring a future where anyone, anywhere can access the full potential of digital money.

Job duties:

  • Build software enterprise-ready infrastructure for an open payment protocol for the Internet.
  • Build new software financial systems, services, and processes accessible to everyone.
  • Design, build, scale, and maintain production services.
  • Build a deep understanding of the business and collaborate with the community to make core protocol and implementation improvements.
  • Create a rich services layer to serve the next set of users and use cases bringing Lightning to mass adoption.
  • Build software frameworks to collect and deeply analyze internal data for the purposes of solution improvement.
  • Extend Lightning via advanced functionality that solves the next wave of complex problems and introduces the company to broader audiences.

Education and Experience required:

  • Master’s degree in Computer Science, Engineering, or related field and 3 years as a Backend Engineer or related occupation.
  • Alternatively, in lieu of a Master’s degree in Computer Science, Engineering, or related field and 3 years as a Backend Engineer or related occupation, employer will accept 7 years of experience as a Backend Engineer or related occupation.
  • Employer will accept any suitable combination of education, training, or experience.

Background: 3 years of experience in the following:

  • Infrastructure or back-end engineering;
  • Utilizing one of the following languages: Go, Python, Java, or C/C ;
  • Developing software solutions for Blockchain technologies;
  • Developing software applications for the Bitcoin Blockchain;
  • Writing high quality and well tested code;
  • Complex systems design and implementation;
  • Communicating and collaborating across technical and other cross functional teams;
  • Using data to influence decisions; and   
  • Off-the-shelf coding and deployment solutions (e.g., Docker, Kubernetes, or AWS).
  • Location: Los Angeles, Califorina
  • How to apply - Email careers2@lightspark.com with job reference #SBE in the subject line

Lightspark is on a mission to build the future of open, instant, and global financial infrastructure making payments accessible and affordable for everyone, everywhere. We're committed to creating a more inclusive and diverse workplace to reflect the customers we serve. We welcome interest from individuals of all backgrounds and levels of experience who share our mission. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or other applicable legally protected characteristics.

We will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of the State of California Fair Chance Initiative for Hiring.

Compensation Range: $200K - $230K

Salary : $200,000 - $230,000

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