Senior Backend Engineer Jobs

Regulatory AI SaaS for Biotech | Weave Bio is a <50 person start-up building an AI-native regulatory automation management platform redefining regulatory submissions for novel therapeutic candidates.

Narrative has been building a data collaboration platform designed for simplicity and ease of use since being founded in 2016. Our primary strength is functioning as a data marketplace where we differentiate ourselves by automatically standardizing …

CLEAR's mission is to strengthen security and create frictionless experiences. With over 33 million members and a growing network of partners across the world, CLEAR's identity platform is transforming the way people live, work, and travel. CLEAR co…

We are looking for candidates that are excited to join us on a mission to raise the standard of trust online. All of our roles are fully-remote, except where specific locations are noted. Most of the software engineering positions have been repeatin…

TestBox is a fast-growing startup on a mission to fundamentally transform how software is bought and sold. We're building the next-generation infrastructure for software transactions, creating seamless experiences from initial interest to successful…

Modash is an end-to-end influencer marketing platform for Shopify stores. We help every creator earn a living. Headquartered in Tallinn, Estonia, with engineering distributed across Europe. 60 person team, raised €11M in Series A funding, ARR growin…

At Gigs, we're building the operating system for mobile services - a platform that enables tech companies to seamlessly embed connectivity into their products. Klarna's US mobile plan is powered by Gigs!

Connie Health is a fast-growing startup on a mission to empower older Americans to make confident, worry-free healthcare decisions. Backed by leading investors such as Khosla Ventures and Pitango, we are building technology to transform the trillion…

Hi HN, we’re building https://composio.dev — the fastest way for AI agents and developers to take action across apps like GitHub, Gmail, Slack, and more. Our SDKs (TypeScript + Python) and APIs let developers connect and execute tools in just a few …

We’re mission-driven capitalists: making life-saving drugs more accessible, and building a $200B+ company—on the scale of Palantir or ServiceNow—serving the largest healthcare enterprises. Traction: profitable and growing fast. Selling 7+ figure con…

Build high-quality, robust engineering at the rarest of things - a Silicon Valley startup that is both wholesome AND profitable. We have 8-figure revenue, are YC-backed, and growing fast.

Checkly helps engineers build reliable products by unifying testing, monitoring and observability. OpenTelemetry, Playwright, and Monitoring as Code are our foundation for unifying performance and reliability. In 2024, we raised $20M in Series B fun…

The Problem: Agentic AI systems are becoming increasingly powerful and autonomous. Most companies deploying them have no idea how vulnerable they are. We’re building the offensive security platform that will become the industry standard for AI safet…

JotPsych is a behavioral health AI scribe tool and we're looking for frontend and backend engineers as we build the first agentic EHR for behavioral health. We're looking to hire ASAP!

Estuary is a VC-backed startup building the next generation of real-time data infrastructure. Our platform, Estuary Flow, combines change data capture (CDC), stream processing, and declarative configuration to unify real-time and batch data movement…

At Gigs, we're building the operating system for mobile services - a platform that enables tech companies to seamlessly embed connectivity into their products.

Weave Bio is a <50 person start-up building an AI-native regulatory automation management platform redefining regulatory submissions for novel therapeutic candidates.

We're hiring a Backend Engineers and a PM at Greystone, a leading real estate finance and investment company. We're building internal platforms and external tools to help investors, lenders, and originators operate smarter and faster with a strong f…

Modash is an end-to-end influencer marketing platform for Shopify stores. We help every creator earn a living. Headquartered in Tallinn, Estonia, with engineering distributed across Europe. 60 person team, raised €11M in Series A funding, ARR growin…

We’re building software to help high-volume law firms handle their caseload more efficiently—starting with an AI assistant that transcribes and classifies inbound calls so teams can focus on what needs action. That system is already in use, and we’r…

Build high-quality, robust engineering at the rarest of things - a Silicon Valley startup that is both wholesome AND profitable. We have 8-figure revenue, are YC-backed, and growing fast.

Connie Health is a fast-growing healthtech startup on a mission to empower older Americans to make confident, worry-free Medicare plan decisions. We offer a tech-enabled Medicare navigation platform that combines an AI-driven technology with local M…

Checkly helps engineers build reliable products by unifying testing, monitoring and observability. OpenTelemetry, Playwright, and Monitoring as Code are our foundation for unifying performance and reliability.

We are looking for candidates that are excited to join us on a mission to raise the standard of trust online. All of our roles are fully-remote, except where specific locations are noted. Most of the software engineering positions have been repeatin…