Kepler - Full Stack Engineer
Requirements
• You've shipped production systems and you care about whether they're correct - not just whether they work on the happy path. You think about failure modes before someone asks you to. • You're comfortable in a codebase you didn't write, moving between backend services and frontend components in the same day. You're drawn to early-stage not for the title but because you want your work visible in the product, not abstracted behind three layers of management. • From the technical side: • 3-5 years building production software. • Strong in TypeScript/React. Comfortable in backend work - our backend is Rust, but we don't require Rust experience. We believe strong engineering fundamentals and experience in other languages is what matters. • You've built systems where correctness matters - payments, data infrastructure, healthcare, anything where a wrong output has consequences. • You understand distributed systems basics: concurrency, fault tolerance, retries, idempotency. • You’re a quick learner and are as comfortable in a codebase you wrote as one you’re reading for the first time. • From the personal side: • You care what the analyst does with what you shipped, not whether the code was clever. • You’d rather fix something than file a ticket about it. • You’ll tell someone their design has a flaw before the PR goes in, not after. • You communicate before it’s a problem, and when a teammate needs something from you, they don’t have to ask twice. • You know what it feels like when the plan changes twice in a day and the work still has to ship. • Don't check every box? Apply anyway. We prioritize problem-solving ability, systems thinking, and drive to build transformative agentic infrastructure. • Don't check every box? Apply anyway. • Our Technical Stack • Backend: Rust - agent orchestration, data extraction, computation pipelines. • Backend: • Frontend: TypeScript, React - the analyst workspace and verification interfaces. • Frontend: • Data: PostgreSQL, plus direct integrations with official data sources. • Data: • Infra: • AI: Model-agnostic by design. We currently use Claude and GPT. The model is the replaceable part. • Mentorship & Growth • Direct mentorship from engineers who built Palantir's core systems: • Weekly 1:1s with senior engineers who've architected enterprise-scale distributed systems • Deep architectural reviews and guidance on system design • Clear growth path toward technical leadership and system ownership • Learn by building production systems that power real financial research • Working at Kepler • Working at Kepler
Benefits
• Comprehensive medical, dental, vision, 401k, insurance for employees and dependents. • Automatic coverage for basic life, AD&D, and disability insurance. • Daily lunch in office. • Development environment budget - latest MacBook Pro, multiple monitors, ergonomic setup, and any development tools you need. • Unlimited PTO policy. • "Build anything" budget - dedicated funding for whatever tools, libraries, datasets, or infrastructure you need to solve technical challenges, no questions asked. • Learning budget - attend any conference, course, or program that makes you better at what we're building. • Our Operating Principles • Trust as the Default: People do their best work when confidence is mutual. We show our work, keep our promises, and flag risks before they bite. Trust isn't an aspiration - it's the baseline. • Trust as the Default: • Forward-Deployed with Product DNA: We own customer outcomes while building a product company. We don't win if they don't win. • Forward-Deployed with Product DNA: • Extreme Ownership: If you notice a problem, you own it by by making sure it doesn’t fall through the cracks. Authority comes from initiative, not job titles. Once you step up, you're accountable for the outcome. • Extreme Ownership: • Production-First Engineering: We design for critical workloads from day one. Durable execution, blue/green deploys, automated rollbacks, continuous delivery with end-to-end observability. • Production-First Engineering: • Communicate with Intent: Great work disappears without great communication. We push information to the people who need it, when they need it. Silence is never the safe choice. • Communicate with Intent: • Earn it Every Day: Your work speaks for itself. We create an environment where the best idea wins, the strongest work gets recognized, and everyone is held to the same high standard. • Earn it Every Day: • Keep Raising the Bar: Great teams compound. Every hire raises the bar, every win gets named, every person gets the tools and runway to grow. • Keep Raising the Bar:
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