Software Engineer

Lava

$90K — $130K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 1-3 years of software engineering experience or equivalent from internships/independent projects
  • Proficiency in TypeScript/Node.js
  • Understanding of API design and data modeling
  • Hands-on experience with AI tools and LLM APIs
  • Bonus: experience with payments, infrastructure, or developer tooling
  • Self-motivated and adaptable to fast-changing environments

Responsibilities

  • Ship features and fix bugs across Lava's surfaces
  • Extend Gateway and monetization systems including metering and payouts
  • Write tests and maintain product reliability
  • Collaborate with founding engineers to learn and take ownership
  • Adapt quickly to ambiguity and contribute to cultural processes

Benefits

  • Solve critical problems in AI infrastructure and monetization
  • Join a small, focused, highly motivated team
  • Direct collaboration with an experienced founder
  • Influence technical and product decisions from day one
  • Work at the forefront of AI innovation
Full Job Description
Software Engineer (NYC)

Join Lava's team in shaping how people and AI build, monetize, and work together.
What You'll Do
  • Ship features and fix bugs across the Lava's surfaces.
  • Help extend the Gateway and monetization systems (metering, billing, payouts).
  • Write tests, clean up rough edges, and help keep the products reliable as more people use them daily.
  • Pair with founding engineers to learn the codebase and take on more independent ownership over time.
  • Move fast, adapt to ambiguity, and help shape the culture and processes from day one.
What We're Looking For
  • 1-3 years of professional software engineering experience, or equivalent depth from internships and independent projects.
  • Comfortable with TypeScript/Node.js and able to ship production code with guidance from more senior engineers.
  • Solid grasp of API design, data modeling, and testing, deep systems design experience isn't expected yet.
  • Hands-on AI user who experiments with AI tools and has used an LLM API at least once.
  • Experience with payments, infrastructure, or developer tooling is a plus, not a requirement.
  • Resourceful and self-motivated, and comfortable in an early-stage, fast-changing environment.
Why You'll Love This Role
  • You'll be solving one of the hardest and most important problems in AI: building the infrastructure that connects and monetizes AI-native products.
  • Work in a small, tight-knit, and highly motivated team that stays focused on outcomes, without unnecessary process or distractions.
  • Work directly with a founder who's built and sold a fintech company before, now doing it again at the center of the AI shift.
  • Be part of a company operating at the cutting edge of AI, where speed, ownership, and impact matter more than process.
  • The media is already excited about what we're building: read our TechCrunch feature here.
  • Significant influence over technical and product decisions from day one.
  • Help shape how the trust layer, access layer, and financial backbone of the AI web get built.
Location & Work Authorization
  • This is an in-person role based out of Lava's New York City office.
  • Candidates must currently be authorized to work in the United States; Lava is unable to sponsor visas at this time.

If you're excited about owning big problems, building products people need, and having a direct hand in how the future of AI commerce works, we'd love to talk.

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