Backend Engineer Jobs

About Vapi: We're building the infrastructure that helps developers close the gap between the raw model and voice AI in production. We launched in March, scaled revenue and raised a large Series A round from a top-tier firm.

Mintlify (YC W22) powers the documentation of 3,500+ companies including Anthropic, Pinecone, and Zapier, to over 20% of the last YC batch. You're a great fit if you master TypeScript, Node.js, and Express. Bonus point if you enjoy RESTful API desig…

Estuary is a VC-backed startup focused on simplifying real-time data pipelines. We’re building open-source solutions to unify real-time and batch data integration, making complex data tasks easier at scale. Our team is small, collaborative, and valu…

We're looking to build out our Engineering team (across the stack). Please note that all of our roles are NY-based. A bit about us: we were founded in April 2023 with the mission of helping the government to serve communities better with modern soft…

Cogram is an LLM-based productivity platform for architecture, engineering, and construction (AEC). Our product automates tasks such as meeting notes, site visits, and project administration. We’re YC alumni, well-funded, and growing. We’re looking …

We issue Visa & Mastercard cards not backed by a bank. Instead we use stablecoins held in non custodial wallets. This type of service is crucial for many people in places like Argentina, Colombia, Nigeria, Turkey, where inflation soars and shelterin…

Building a Gen AI Platform. We grew +40% last month to hit 1.2M daily users. We did it with a team of 10. CHAI is able to keep growing is because it is ran like a quant-trading team.

We are looking for a full-time Frontend and Backend Engineer to build out Godel Terminal, a professional web-based financial terminal software offering comprehensive financial and investment data.

Sitch is a new type of concierge dating app. We’re using AI + Humans to ask you questions, get to know you, then help you find love. We’re a concierge matchmaker but we don’t call ourselves that and we don’t charge the obscene prices that matchmaker…

At https://reworkd.ai, we're building application layer LLM agents to extract web data at scale. We are foundational data infrastructure for startups today that are fine tuning models or building some web data constrained product. We're backed by YC…

Fingerprint empowers developers to stop online fraud at the source. We work on turning radical new ideas in the fraud detection space into reality. Our products are developer-focused and our clients range from solo developers to publicly traded comp…

Marple is a startup based in Antwerp, Belgium. We are a product-focused company, building visualisation software for large time series datasets. Our customers are top engineering teams that develop electrical planes (Lilium), design new electrical e…