Software Engineer, Platform

Who We NeedExperienced engineers who've made infrastructure a competitive advantage — not just reliable plumbing. You've owned the systems that let product teams ship with confidence, you think in tradeoffs, and you care deeply about how a team builds, not just what ships.We're building industry-defining accounting and finance software. Our platform needs to scale with us, and we want an engineer who brings a point of view to that work.Our Tech Stack: Svelte 5/TypeScript frontend, Kotlin + Spring Boot backend, PostgreSQL, AWS. We're AI-native — meaning thoughtful application, not outsourced thinking. Our engineers still reason from first principles; AI helps with execution.We're looking for teammates within commutable distance of our NYC or SF offices (or willing to relocate). The team works in-office Tuesdays and Thursdays, plus one additional flexible day.What You'll DoOwn the infrastructure, CI/CD, and developer tooling that keeps our engineering team shipping fast and safely at scaleSet the technical direction for reliability, security, and compliance — building these in from the ground up rather than bolting them on laterShape the design and scalability of our external API, turning it into a competitive asset for customers and partnersPartner with engineering leadership to define roadmap priorities and translate ambiguous problems into clear technical plansRaise the bar for engineering quality through design reviews, mentorship, and hands-on collaborationWho We're Looking For5+ years of software engineering experience with a track record on complex, large-scale projectsDeep expertise in AWS — this is our primary cloud and you'll own itHands-on experience with CI/CD, observability tooling, and distributed systemsComfortable making technical decisions and navigating hard tradeoffs at whatever scope your role demandsEnergized by building in a fast-moving environment where the playbook is still being writtenBonus PointsExperience building or maintaining third-party integrations (ERP, fintech, or similar)Background in fintech, ERP, or accounting softwareExperience owning and scaling public-facing APIsFamiliarity with enterprise readiness (SOC 2, SSO/SAML, audit logging, or similar)Kotlin, Java, or TypeScript experiencePrior experience at a high-growth startupThe base salary for this role ranges from $150,000 to $270,000, plus equity and benefits. Exact compensation depends on your skills, experience, location, and background, and the range may be adjusted over time. Equity is part of the package, all full-time employees participate in Rillet's equity plan. Beyond that, we offer health and wellness coverage, retirement savings, and a broader set of benefits designed to support you inside and outside of work.Life at RilletCompetitive Pay & Benefits: Backed by world-class investors, we offer strong salaries plus equity so you share in our success. We've got you covered with top-tier health and dental insurance, premiums partially or fully covered for you, plus 90% coverage for dependents.Room to Grow: We're building a team of ambitious, high-performing people who will grow with the company. As Rillet scales, so will your role, responsibilities, and compensation.Flexibility That Works: Take the time you need with flexible PTO and 9 company-wide holidays. We value both the flexibility of remote and hybrid work and the creativity and energy that comes from in-person collaboration at our hubs in San Francisco, NYC, and Barcelona.Build Real Connections: Great work happens when people connect. Join us for team offsites in incredible locations, our team has bonded everywhere from New York and San Francisco to Toronto, Italy, France, and beyond.