UNKNOWN

FEED

The company is backed by the world’s leading investment firms including Mayfield , Menlo Ventures , GGV Capital , Temasek , Inventus Capital , Uncork Capital , Union Grove Venture Partners , Shea Ventures and AngelList . Since launching in 2011, Poshmark has become a vibrant social shopping community with seven million Seller Stylists helping 60 million users discover items they love from over 100 million listings.

Poshmark

Staff Software Engineer, Web

ea_via_bold

As a modern, AI-forward tech company, Babylist has expanded from a universal registry into a full ecosystem - the Babylist Shop, Babylist Health, Babylist Money, NYC and LA showrooms, branded content, and more - generating $750M in revenue in 2025. Babylist is rebuilding how we make software around one belief: AI changes everything - how teams are structured, how decisions get made, how fast an idea becomes working software.

Babylist, Inc

Staff Software Engineer

linkup_via_bold

We started by creating a comprehensive platform for understanding businesses, bringing together authoritative and proprietary data to help customers verify business identities, onboard customers faster, and manage risk throughout the customer lifecycle. We've also expanded beyond business verification to help companies form, register, manage, and maintain their businesses, supporting more than 50,000 companies in setting up over 100,000 accounts required to hire employees, run payroll, and stay compliant.

Middesk

Software Engineer

Browser & Client-Side Testing: Experience building E2E test frameworks for browser extensions or other client-side commerce surfaces from scratch (page objects, extension-context fixtures, network/HAR-replay stubbing for anti-bot sites, cross-browser dispatch). Build and maintain test automation for commerce and marketplace surfaces, such as offers, cashback, affiliate/attribution and click-tracking accuracy, consent gates, and persona-based experiences (e.g., logged-in/out, member-group-specific offers), including client-side surfaces like browser extensions.

YEAR

IDMe

Software Development Engineer III – Test Infrastructure

GreenHouseAPI

Youll embed with product teams where the work is most important, partner closely with senior engineers and engineering managers, influence how we build across the organization and have ownership over outcomes. Build and iterate on customer-facing features in our core product - banking, tax automation, and expense tracking - using Ruby on Rails, React, Redux, and TypeScript.

Indie Technologies, Inc

Senior Software Engineer (Full-Stack)

We have raised $125 million+ from investors such as General Catalyst, Elad Gil, Bloomberg Beta, Y Combinator, XYZ; founders and CEOs of companies such as Google (Eric Schmidt), Salesforce (Marc Benioff), Coinbase (Brian Armstrong), DoorDash (Tony Xu), Instacart, Gusto; strategic investors like Mastercard, Flexport and Samsara. Our founding team has backgrounds in payments, working on autonomous vehicles at Cruise Automation, leading ops and growth for Uber, and building apps that were featured on the Apple app store.

AtoB

Senior Software Engineer, Payments

In this role, you’ll join our small-but-mighty engineering team and work closely with design and coaching to create a unique, compelling, and valuable product experience that brings the power of coaching to life within a software platform. We’re looking for a product-minded senior software engineer with experience working with data to help us build a differentiated and impactful AI & software coaching product alongside software and AI-based tools to augment human coaches.

Mento

AI Engineer

We’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.

Koah

Software Engineer - Platform

With best-in-class developer tools and a single API for fiat and stablecoins-plus built-in compliance, ledgering, and reporting-Modern Treasury enables businesses to move money instantly, reliably, and at scale. Contribute to infrastructure and security strategy for new payment rails, including FBO structures, stablecoin integrations, and compliance-focused features.

Modern Treasury

Software Engineer - Infrastructure

Our 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.

HOUR

Tesla Inc

Internship, Fullstack Software Engineer, Fleetnet (Winter/Spring 2027)

We help companies give every employee a real healthcare budget instead of a one-size-fits-all plan, so people can choose the coverage and care that works for them, and employers get predictable costs they can control. It’s a simple idea, but making it real means solving hard problems across healthcare, payments, and technology, and we’re just getting started.

Thatch

Software Engineer: Infrastructure

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Engineers at Modern Treasury design thoughtful design APIs, implement resilient processes, and choose infrastructure that prioritizes fault tolerance and long-term maintainability over chasing latest trends. With best-in-class developer tools and a single API for fiat and stablecoins-plus built-in compliance, ledgering, and reporting- Modern Treasury enables businesses to move money instantly, reliably, and at scale.

Dive deeply into technically challenging and rewarding work, whether it is optimizing our matching algorithms or creating world class experiences that reach millions of users. Embrace an experimentation mindset - we are constantly trying to learn about how users are interacting with AI-native products, and use data from these experiments to drive our work.

Software Engineer - Product

You enjoy identifying and owning challenging problems, forming testable hypotheses, and conducting impactful research to drive significant business impact. We’re a small, tight-knit team in San Francisco with backgrounds at X, Apple, Meta, and early-stage startups.

Applied Scientist

You 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.

Data Scientist

We help companies give every employee a real healthcare budget instead of a one-size-fits-all plan, so people can choose the coverage and care that works for them, and employers get predictable costs they can control. We organize engineering around the people we serve: members, employers, and partners, so teams own end-to-end experiences and ship with speed and accountability.

Software Engineer: Full Stack

Software Engineer: Backend

Has built developer experience as an explicit goal (SDKs, API reference docs, quickstarts, sandbox or test environments, error messages and debugging surfaces, self-serve onboarding flows) and can speak to how it changed time-to-first-successful-integration for real external developers. You will spend most of your time designing and building the customer-facing experiences of the developer portal: application registration, identity configuration, sandbox testing, and launch workflows, in our Next.js, React, and TypeScript micro-frontend platform.

Software Engineer III (Frontend) — Developer Portal

As an intern, you will work on applications to make Neuralink 100x faster, such as: Data platforms to collect, organize, and visualize a diverse set of data ranging from neural signal recordings, device telemetries, surgery recordings, to experimental data. Team Description: The internal apps team works closely with other teams - neuroscientists, physicists, chip designers, pathologists, and mechanical engineers - to build Neuralink's centralized data aggregation and analysis platform.

Neuralink

Software Engineer Intern, Internal Apps

Superconductor 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.

Ruby on Rails Jobs in Presidio, CA

Staff Software Engineer, Web Poshmark

Staff Software Engineer Babylist, Inc

Software Engineer Middesk

Software Development Engineer III – Test Infrastructure IDMe

Senior Software Engineer (Full-Stack) Indie Technologies, Inc

Senior Software Engineer, Payments AtoB

AI Engineer Mento

Software Engineer - Platform Koah

Software Engineer - Infrastructure Modern Treasury

Internship, Fullstack Software Engineer, Fleetnet (Winter/Spring 2027) Tesla Inc

Software Engineer: Infrastructure Thatch

Software Engineer Modern Treasury

Software Engineer - Product Koah

Applied Scientist Koah

Data Scientist Koah

Software Engineer: Full Stack Thatch

Software Engineer: Backend Thatch

Software Engineer III (Frontend) — Developer Portal IDMe

Software Engineer Intern, Internal Apps Neuralink

Agent Maestro Superconductor

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