APIs jobs

Estuary is a VC-backed, post–Series A, open-source, developer-first startup powering right-time data replication and transform, from sub-second CDC replication to terabyte-scale OLAP data flows across Platform and Applications layers. Hiring roles include: (1…

Staff Engineer – GenAI role building an enterprise-grade Agentic AI platform to help teams build, integrate, and operationalize GenAI solutions quickly with minimal friction. Focus on enterprise architecture, security/compliance, governance, and operational e…

MixRank (YC S11) is a fully-remote company processing petabytes of data from web crawling. Customers include Google, Amazon, Facebook, Intel, and Adobe across finance, recruiting, sales, marketing, and security. The team works on databases, distributed system…

Missive brings inbox collaboration to teams that run on email. This isn’t your typical SaaS; it’s a full-fledged app users live in all day. The system integrates with dozens of APIs and servers, processes 10M+ emails and 100M+ requests per day serving thousan…

Rootly builds AI-native incident management (on-call, incident response, status pages, retrospectives, and AI SRE) in one platform, used by companies including Cisco, NVIDIA, Figma, Replit, Wealthsimple, Clay, Webflow, and thousands of engineering teams. Open…

Zenskar is an AI-native revenue automation platform built to handle real-world complexity. We raised $15M in Series A funding in April 2026. We’re hiring a Senior Backend Engineer to design and build core platform systems where correctness and reliability are…

0→1 product work building AI agents and copilots for internal teams (BD, clinical, computational biology, lab), MCP-style servers for safe interaction with internal systems, and data pipelines into a governed warehouse/knowledge graph. Looking for a senior so…

We’re looking for a Lead Engineer to help shape the future of HostGPO’s platform, data systems, and technical direction. This person will be a senior builder and technical leader who can architect and ship scalable systems, navigate messy real-world business …

Trustle | Customer Success Engineer | Remote (US) | Full-time | Pre-Series A We enforce Zero Standing Privileges across cloud and SaaS — AWS, GCP, Azure, Snowflake, Okta, GitHub, and more. Access is requested just-in-time and disappears when the job is done. …

TestGorilla is hiring a GTM Engineer to build and scale an AI-enabled GTM system across Sales, Marketing, and Customer Success. This role involves designing and implementing workflows, automations, and integrations to execute GTM strategy reliably at scale. R…

Polars is the company founded from the Polars OSS project. The company is building a distributed query engine and managed data platform that can run the full Polars API with different scaling strategies. The tech stack is primarily Rust and the platform is be…

Pinwheel is the Plaid for payroll — APIs and SDKs that give banks, fintechs, and lenders real-time, consumer-permissioned access to payroll data across 1,800 platforms covering 80% of US workers. Series B. Roles: Fullstack Engineer (backend-leaning) (Python /…

Perry Street Software publishes Jack'd and SCRUFF, two large LGBTQ+ dating apps on iOS and Android, and is hiring a Senior Ruby Developer. The role involves building the Ruby API that powers the company's mobile dating apps. The position is 40 hours per week …

Hiring early-career Full Stack Engineer to build and maintain Java (Spring Boot) microservices, work on distributed systems and APIs at scale, contribute to open-source repositories, and collaborate on system design and reliability improvements. Role focuses …

Estuary is a VC-backed, post–Series A startup powering right-time data replication and transform — from sub-second CDC replication to terabyte-scale OLAP data flows. They are open-source, developer-first, and focused on making data movement radically simpler …

Plaintext is hazmat. Come design the products that kill it. We are a developer security and API company on a mission to encrypt the web. We sit at the intersection of: Security - we've invested a tonne of time in cryptographic systems and provable secure comp…

BackNine is a B2B2C insurtech platform that automates the insurance sales process. Thousands of companies—from brick-and-mortar agencies to publicly traded banks—use BackNine to quote, apply, and manage insurance online. We’re looking for an engineer to own a…

Ping Data Intelligence (Miami, FL) is hiring a Senior Software Engineer to work onsite in Delhi, India. The role involves working alongside the data entry team to increase efficiency, streamline processes through ML and UI improvements, and triage and fix bug…

Ema is building the Universal AI Employee — AI that handles repetitive enterprise tasks so people can focus on creative, high-impact work. Founded by ex-Google and Coinbase execs. $75M raised from Accel, Section 32, Prosus, KPMG, and others. We're hiring soft…

Hike Medical | Boston or San Francisco (ONSITE) | Senior+ Software Engineer Hike Medical is reinventing musculoskeletal care, starting with feet. Our proprietary AI-vision platform turns a 30 second web-based (no sensors) foot scan into precision engineered,…

Rootly is an AI-native incident management platform for on-call, incident response, and AI SRE tools used by engineering teams. Hiring across multiple senior and mid roles (engineering, SRE, platform, solutions, sales, customer success). Hybrid role based in …