Duolingo is hiring multiple full-time engineering roles. Mission: develop the best education in the world and make it universally accessible. Culture is engineering-driven, friendly, and data-driven. Tech stack includes frontends: Swift, Kotlin, Typ…

BetterDB is building the tooling ecosystem for Valkey (a high-performance Redis fork). Focus is on observability: historical persistence, pattern analysis, anomaly detection, and Prometheus export. They ship OSS self-hosted and are launching a cloud…

Early-stage engineering role as the third engineer at Lift AI, building software for the elevator industry. You'll migrate an acquired Firebase/Firestore field product to a Django/PostgreSQL backend (including offline sync replacement), define API c…

Staffer.ai builds an AI-driven ATS in Clojure + PostgreSQL. Looking for a senior engineer strong in backend with solid frontend understanding (ClojureScript). You will shape architecture, integrate AI features, and own full-stack delivery. Remote, B…

Founding Growth Engineer role to build virality into the product and drive 100x user growth. True 0→1 founding role with massive ownership. Responsibilities/requirements include building virality loops, proven track record driving significant user g…

5-person dev agency building AI, Web3, and SaaS products for startups, NFL players, and enterprises. Role involves shipping pixel-perfect UIs from Figma designs, making architectural decisions, and delivering production code for real clients—greenfi…