Data Scientist KoahData ScientistSan Francisco, CaliforniaYou enjoy identifying and owning challenging problems, forming testable hypotheses, and conducting impactful research to drive significant business impact. Use rigorous statistical thinking and hands-on modeling to turn our rich marketplace data into tools that directly shape product decisions and key insights.
Software Engineer - Backend KoahSoftware Engineer - BackendSan Francisco, CaliforniaBuild scalable data models that support multiple impressions for an ad request allowing us to align publisher and advertiser interests. Design abstractions that allow us to experiment and ship new formats that allow for a flexible way of tracking engagement events.
Software Engineer - Platform KoahSoftware Engineer - PlatformSan Francisco, CaliforniaWe’re a small, tight-knit team in San Francisco with backgrounds at X, Apple, Meta and early-stage startups. We are looking for strong engineers with experience and interest in designing, building, and maintaining the infrastructure that make up our adtech platform.
Software Engineer, Early Career KoahSoftware Engineer, Early CareerSan Francisco, CaliforniaWorking at Koah means joining at the ground floor: you’ll ship code that shapes the company and the ecosystem we’re building. We’re a small, tight-knit team in San Francisco with backgrounds at X, Apple, Meta and early-stage startups.
Software Engineer Simple AISoftware EngineerSan Francisco, CaliforniaSimple AI raised $14M from world-class investors and operators like Y Combinator, First Harmonic, Massive Tech Ventures, Michael Seibel, Jared Friedman, Alexandr Wang, Matt Van Horn, Suhail Doshi, and Scott Wu. The founders ( Catheryn and Zach ) met while running software teams at YC, where they shipped tons of new products for YC founders, including YC’s co-founder matching site.
Full-Stack Engineer (SF) General MedicineFull-Stack Engineer (SF)San Francisco, CaliforniaOur engineers frequently write product requirements documents, write SQL to understand how features are performing, and own QA — no task is beneath us or outside of the scope of the role if it helps us to deliver a great product. We are looking for engineers who care deeply about technical excellence but are also comfortable moving quickly — we are constantly navigating tradeoffs between engineering velocity and quality.
Software Engineer (New Grad) Simple AISoftware Engineer (New Grad)San Francisco, CaliforniaSimple AI is backed by world-class investors and operators like Y Combinator, Massive Tech Ventures, Michael Seibel (co-founder of Twitch), Jared Friedman (Scribd), Alexandr Wang (Scale AI), Matt Van Horn (June Oven and Lyft), Suhail Doshi (Mixpanel), JJ Fliegelman (WayUp) and Scott Wu (Cognition). We are growing revenue like crazy and looking to hire a couple founding software engineers to help us stay afloat of current customer demand and also build out systems for the future.
NewSenior Backend Engineer FieldWireLabs IncSenior Backend EngineerCARemote$170,000–$195,000 / yearBackend Engineer to come in and be excited to take the lead in planning and developing the architecture for future critical systems to the Fieldwire Platform, while keeping our current customers in production happy! As a Senior Backend Engineer, you'll be joining an impactful team of highly skilled engineers who are building the core platform features and services to fuel our rapidly growing company!
NewInternship, Fullstack Software Engineer, Fleetnet (Winter/Spring 2027) Tesla IncInternship, Fullstack Software Engineer, Fleetnet (Winter/Spring 2027)Palo Alto, CA$40–$56 / hourOur year-round program places the best students in positions that they will grow both technically and personally through their experience working closely with their Manager, Mentor, and team. Come join a small team of experts building the systems that connect Tesla and our customers to their cars, robotaxis, robots, and energy products.
Integrations Engineer BintiIntegrations EngineerSan Francisco, CaliforniaJoin other members of the Binti team in meetings with a new customer to understand how Binti will fit into their workflow and information architecture, and then use that knowledge to design an integration using Binti’s APIs or connectors that meets their needs. Satellite offices, like Seattle, Washington, set their own in-office days and hybrid policies, but in general employees are encouraged to join the leadership team on the days when they will be in the office for collaboration and team cohesion.
Engineering Manager/Senior Engineering Manager BintiEngineering Manager/Senior Engineering ManagerSan Francisco, CaliforniaWe have a huge, ambitious vision to rewire government to be more effective in expanding opportunities for people around the world, and we are looking for mission-driven, high-empathy, high-performance, and low-ego team members to join us on our exciting journey towards that vision. We have expanded our product offerings in child welfare, moving more to the root of the problem, helping families stay together and avoid separation, and are now expanding horizontally across other areas in social services.
Software Engineer, Security PersonaSoftware Engineer, SecuritySan Francisco, CaliforniaFor full-time UK employees, Persona offers a wide range of benefits, including private medical insurance, dental insurance, a 6% employer pension contribution, unlimited PTO, a monthly wellness stipend, professional development stipend, co-working stipend, and more. The team runs more like infrastructure than a typical security org: not in a silo, a lot of what we ship is core product code, and you'll be building alongside other engineering teams, not just configuring what they've already built.
ML Product Manager (Remote) JobcertifyML Product Manager (Remote)San Jose, CaliforniaRemoteBuilt to amplify the impact of procurements influence, Arkestro helps enterprises deliver a 2-5x lift on cost savings attributed to everyday purchasing and sourcing cycles. Via a blend of predictive AI models and user-centric design, Arkestro is re-imagining enterprise procurement teams as a powerful lever to digitize and improve global supply chains.
Sr. Software Engineer - Leasing AppFolioSr. Software Engineer - LeasingSanta Barbara, CA$138,400–$173,000 / yearThis is an ideal opportunity for someone who is passionate about building leading-edge software, thrives on solving complex technical problems, and wants to play a key role in shaping the success of a SaaS product used by thousands of businesses. You have experience leading technical projects end-to-end-from shaping requirements and architecture through implementation, launch, and ongoing optimization-while aligning stakeholders and ensuring successful outcomes.
Head of Engineering Higher PeopleHead of EngineeringSan Francisco, CaliforniaYou've personally built or operated production engineering workflows where AI agents participate throughout the software lifecycle, including specification, implementation, testing, code review, evaluation, deployment, and maintenance. Our customers run the gamut: enterprise producers and contractors that supply the world's largest infrastructure projects, alongside the family-owned hauling fleets that have moved the material this work depends on for generations.
Staff Software Engineer - Investor/Owner AppFolioStaff Software Engineer - Investor/OwnerSan Diego, CA$167,200–$209,000 / yearWho we are looking for: We are looking for a pioneering technical leader to join a young, high-growth, cross-functional product development team, and to help drive the engineering growth and evolution of our Investor segment. You have a track record of leading high-stakes projects from initial ambiguity to successful launch-aligning stakeholders, making tough technical trade-offs, and ensuring long-term system health.
Software Engineer AuthoriumSoftware EngineerSan Francisco, CaliforniaShipping Core Features: Deliver complex, high-impact features across our platform—from building robust versioning systems to designing intricate approval workflows and permission models. Complex Document Infrastructure: Experience with document generation (PDFs), rich text editors, or building systems to process unstructured data within secure workflows.
Agent Maestro SuperconductorAgent MaestroEl Cerrito, CaliforniaSuperconductor is building the autonomous software organization — a platform where agents don't wait for instructions, but find work everywhere: in customer emails, bug reports, session replays, Slack threads, X posts, etc. You spend your weekends experimenting with agent orchestration frameworks, MCP servers, and multi-agent workflows.
Software Engineer, Infrastructure & Reliability CrewAISoftware Engineer, Infrastructure & ReliabilitySan Francisco, CABuild the tooling and automation that lets field engineers and customers run self-hosted installs themselves- Helm charts, environment config, release artifacts, pre-flight checks, and install runbooks - so engineering does fewer hands-on installs over time. Manage production observability and telemetry infrastructure: logs, metrics, traces, dashboards, Sentry/OpenTelemetry plumbing, actionable alerts, and telemetry export to customers' own monitoring systems.
Software Engineer, Traffic PersonaSoftware Engineer, TrafficSan Francisco, CaliforniaOwn edge networking configuration: routing, WAF policy, rate limiting, certificate management, driving toward a model where engineers ship traffic changes without waiting on infra. This team owns the full traffic path — from the first packet leaving clients through our through our (Cloudflare-backed) ingress and then onward across the service mesh — as a product, not a service desk.