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Senior Backend Engineer

Lightspark

Lightspark

Software Engineering
Los Angeles, CA, USA
USD 200k-230k / year + Equity
Posted on Nov 5, 2025

Location

Los Angeles HQ

Employment Type

Full time

Location Type

On-site

Department

Engineering

Deadline to Apply

November 19, 2025 at 3:00 AM EST

Compensation

  • $200K – $230K

We take into account an individual’s qualifications, skillset and experience when determining salary. The salary range listed in the job posting reflects the new hire salary range across levels that would be applicable to the position and Los Angeles location. This role is eligible for health insurance, life insurance, 401k contribution, paid time off including vacation and sick leave and any other tax-reportable benefits. The final salary will be commensurate with the candidates final level and represents the base salary only.

  • Health insurance coverage including medical, dental, and vision

  • Competitive salary

  • Stock options

  • Company paid life insurance

  • 20 paid vacation days a year, as well as paid holidays

  • Flexible work schedule

  • Matching 401k

  • FSA/DCA accounts

  • Generous family leave policies

  • Annual bonuses

Lightspark is building open payments for the Internet—always-on payment solutions powered by Bitcoin, the only open, neutral network for moving value. With enterprise tools like Connect, UMA, and Spark, businesses can send and receive money instantly, securely, and at a fraction of the cost, anytime, anywhere. Lightspark is headquartered in Los Angeles, California, but serves the world.

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, employer will accept 7 years of experience. Employer will accept any suitable combination of education, training, or experience.

Background:

3 years of experience in the following:

1) Infrastructure or back-end engineering;

2) Utilizing one of the following languages: Go, Python, Java, or C/C++;

3) Developing software solutions for Blockchain technologies;

4) Developing software applications for the Bitcoin Blockchain;

5) Writing high quality and well tested code;

6) Complex systems design and implementation;

7) Communicating and collaborating across technical and other cross functional teams;

8) Using data to influence decisions; and

9) Off-the-shelf coding and deployment solutions (e.g., Docker, Kubernetes, or AWS).

Location – Culver City, CA

How to apply – Email careers2@lightspark.com with job reference #SBE in subject line.

Lightspark is on a mission to build an open payment protocol for the Internet at scale and therefore 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