Job Overview
Location
Los Angeles HQ
Job Type
Full-time
Category
Software Engineer
Date Posted
May 16, 2026
Full Job Description
đź“‹ Description
- • Architect and ship production-grade services and APIs that power global payments, including flagship products used by enterprises to move real money instantly and securely across borders.
- • Leverage AI-augmented engineering tools such as Claude, Codex, and in-house agentic coding systems to automate workflows, generate code, and solve complex problems — not just for autocomplete, but to multiply output and accelerate development cycles.
- • Write high-quality, production-ready code across Python and TypeScript as the primary languages, with flexibility to contribute to services written in Go and Rust as needed.
- • Collaborate daily in-person at our Culver City, Los Angeles headquarters with senior engineers on distributed systems challenges, refining architecture and solving real-time technical bottlenecks through high-bandwidth interaction.
- • Own end-to-end delivery of features from concept to deployment, with tight feedback loops and direct mentorship from experienced engineers — no hand-holding, but full accountability for impact.
- • Build at the intersection of fintech, Bitcoin infrastructure, and open payment protocols, contributing to systems that enable instant, low-cost global transactions using Bitcoin, stablecoins, and traditional payment rails.
- • Utilize your foundational computer science knowledge to validate, correct, and guide AI-generated code, ensuring correctness, security, and scalability while maintaining velocity.
- • Contribute to a fast-moving engineering culture where shipping daily is expected, and every line of code has measurable impact on customer experience and company growth.
- • Participate in a highly collaborative, in-office environment designed for deep technical synergy, where curiosity, ownership, and intense execution are core values.
- • Engage in personal and team projects that push boundaries in payments technology, informed by real-world use cases from enterprise customers and global market demands.
- • Take initiative in learning and adopting new tools, frameworks, and protocols — whether exploring Bitcoin layer-two solutions, refining API design, or optimizing infrastructure for low-latency settlements.
- • Work with a team that values intellectual rigor, technical excellence, and a shared mission to make money move like data: instantly, globally, and without friction.
- • Enjoy daily catered lunches and an environment that prioritizes energy, focus, and mutual growth among engineers who are building the next generation of financial infrastructure.
🎯 Requirements
- • Completed Bachelor’s or Master’s degree in Computer Science
- • At least one prior engineering internship experience
- • Hands-on programming experience demonstrated through personal projects, hackathons, or coursework
- • Proficiency in Python and TypeScript, with willingness to work in Go and Rust
- • Ability to leverage AI coding tools (e.g., Claude, Cursor) for rapid prototyping and workflow automation
- • Strong foundational knowledge in computer science to validate and guide AI-generated code
🏖️ Benefits
- • Daily catered lunches
- • Unlimited AI token budget for coding tools (Claude, Codex, in-house agentic systems)
- • In-office work environment at Culver City, Los Angeles HQ with daily high-bandwidth collaboration
- • Opportunity to work on mission-critical fintech and Bitcoin infrastructure with real global impact
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
About Lightspark Inc.
Lightspark provides enterprise-grade infrastructure for the Bitcoin Lightning Network, offering APIs, SDKs, and managed services that let businesses send and receive instant, low-cost Bitcoin payments, custody funds, and access liquidity without operating their own Lightning nodes. The company also builds Lightspark Wallet and Lightspark Predict, tools that abstract complexity, automate channel management, and provide real-time analytics for treasurers and developers integrating Lightning into wallets, exchanges, marketplaces, and treasury applications.
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