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Senior Fullstack Engineer, Payment Experiences

LightsparkLos Angeles, California, United StatesOnsite

The Internet lacks a protocol for money. Lightspark is building the tools and services to make it happen. Lightspark builds enterprise-ready infrastructure for open payments for the Internet at scale using the Lightning Network. An always-on, low-cost, universal payment network will completely transform how money is moved, enabling businesses and developers to transform existing solutions and build new financial systems, services, and processes accessible to everyone, transcending geographical restraints. Lightspark is headquartered in Los Angeles, California, but serves the world.
At Lightspark, we are pioneering the future of payments by leveraging the Bitcoin network and diving deep into the capabilities of the Lightning Network. Our mission is to build a secure and robust payment infrastructure that bridges the gap between traditional finance and cryptocurrency.We are seeking a full-stack engineer who thrives in entrepreneurial environments, enjoys writing and shipping code fast, and can help us build out a great culture of engineering excellence. You will join our Payment Experiences team which focuses on using the power of the underlying Lightning+Bitcoin rails to unlock new payment flows that would never be possible on traditional rails.

This team owns the Universal Money Address (UMA) protocol, as well as our link.uma.me remittance product and other experiences that build on top of UMA.

What you will be doing


  • Designing and building production services, websites, and applications
  • Working closely with UX design, other developers, and Product Management to build world class software
  • Coding in Typescript and Python most of the time, but also occasionally in Go, Rust, Kotlin, and more languages. You don’t need to know all of these to join, but we hope you’ll be excited to learn!
  • Working closely with DevOps to build automated testing and client continuous integration
  • Creating a rich services layer to serve the next set of users and use cases - bringing Lightning to mass adoption
  • Designing, building, and maintaining systems to generate/upgrade our SDKs across all platforms, languages, APIs, and products
  • Learning and growing in a highly collaborative environment
  • Integrating with partners to build new services for Lightspark’s customers
  • Building core infrastructure to support new features and functionality

What we are looking for


  • 5+ years of full-stack engineering experience
  • Experience driving initiatives forward with creativity and resourcefulness, inspiring others to excel through a proactive, innovative, and positive mindset
  • Ability and willingness to rapidly adapt to new technologies and programming languages, demonstrating perseverance and resilience in overcoming challenges
  • Ability to work independently to deliver high-quality results within tight timeframes through precision and focus
  • Desire to learn and grow in a highly collaborative environment
  • React and Typescript experience a plus
  • Python experience a plus
  • Bachelor's degree in Computer Science, or equivalent is a plus but not required.  We appreciate and acknowledge that some of the best talent comes from non-traditional backgrounds.
  • Living in, or willing to relocate, to Los Angeles, CA, we are an in-office company located in Culver City.

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

Life at Lightspark

A company created to explore, build and extend the capabilities and utility of Bitcoin.
Thrive Here & What We Value* Committed to creating an inclusive and diverse workplace* Welcoming interest from individuals of all backgrounds and levels of experience who share the mission* Nondiscriminatory based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or other applicable legally protected characteristics* Fastpaced and dynamic environment* Passionate about building an open payment protocol for the Internet at scale* Emphasis on innovation and excellence* Open to relocation (optional)* Dedicated to leveraging cutting-edge solutions to revolutionize payments* Proactively contribute innovative ideas and recommendations to the team, fostering a culture of continuous improvement and cultivating a positive work environment* Headquartered in Los Angeles but serving the world

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