Software Engineer (C++/Rust) DatabentoSoftware Engineer (C++/Rust)San Francisco, CABy owning the entire market data stack end-to-end, Databento is the first platform of its kind to combine the performance and reliability demanded by the world's leading trading firms with a dramatically simpler developer experience. The financial industry is growing at a record pace, but our data providers are still stuck in the past — with cumbersome onboarding processes, complicated APIs, slow infrastructure, and expensive licensing costs.
Lead AI Software Engineer HPLead AI Software EngineerSan Francisco, CaliforniaWe create breakthrough solutions that make complex tasks feel effortless, teamwork more natural, and ideas more impactful—always with a human-centric mindset. Build and optimize an agent orchestration runtime that enables tool use, memory management, and multi-step reasoning across LLMs, APIs, and edge-connected systems.
Senior AI Software Engineer HPSenior AI Software EngineerSan Francisco, CaliforniaWe create breakthrough solutions that make complex tasks feel effortless, teamwork more natural, and ideas more impactful—always with a human-centric mindset. Build and optimize an agent orchestration runtime that enables tool use, memory management, and multi-step reasoning across LLMs, APIs, and edge-connected systems.
Sidecar Careers - Software Engineer - Fraud SidecarSidecar Careers - Software Engineer - FraudSan Francisco, CAYou will work with internal and external partners tackling fraud from soup to nuts… from helping to define and isolate the problem space to engineering next-generation solutions. Our office is located in downtown San Francisco and is full of smart, hard-working people collaborating to bring ride-sharing to everyone… and having a great time along the way!
Sidecar Careers - Software Engineer SideCarSidecar Careers - Software EngineerSan Francisco, CAOur office is located in downtown San Francisco and is full of smart, hard-working people collaborating to bring ride-sharing to everyone… and having a great time along the way! We're building our new infrastructure in Python using the Pyramid framework, but we also maintain legacy code in PHP Codeigniter and Express.js.
Software Engineer, Crypto Platform WorldSoftware Engineer, Crypto PlatformSan Francisco, CA$191,000–$225,000 / yearThe team owns the full transaction lifecycle, including state reads, calldata construction, smart contract interactions, backend execution paths, transaction submission, and the high-availability infrastructure required to process transactions reliably at scale. Engineers work closely with product teams to ensure wallet features, Mini App integrations, and ERC-4337-based flows remain robust across regions, providers, and failure domains.
Software Engineer - Productivity WorkOSSoftware Engineer - ProductivitySan Francisco, CaliforniaRemoteAs AI reshapes software, WorkOS is at the frontier of Human and Agent Authentication, Identity, and Access Control helping companies answer a new critical question: who are your agents, and what are they allowed to do? Our fast-growing customer base includes hundreds of modern software companies building the next generation of enterprise-ready products.
Staff Software Engineer, Investment Performance And Analytics RidgelineStaff Software Engineer, Investment Performance And AnalyticsSan Ramon, CA$182,500–$228,000 / yearPowered by a single, real-time data set and embedded AI, Ridgeline helps firms automate complexity, accelerate collaboration, and deliver tailored client experiences at scale, without added headcount or risk. The Performance & Analytics team works on calculating, reporting, and effectively presenting performance and attribution metrics across investments leveraging modern OLAP and Columnar technologies.
Senior/Staff Backend Software Engineer GridCARESenior/Staff Backend Software EngineerRedwood City, California$184,000–$284,000 / yearWhile leading tech companies invest billions in speculative, long-term solutions that may take decades to arrive, GridCARE’s pioneering physics-based generative AI platform unlocks gigawatts of hidden capacity in today’s electric grid — enabling hyperscalers, data center developers, and utilities to power AI infrastructure years sooner than conventional approaches and without costly upgrades. What matters most is depth: real experience in architecting, implementing, tuning, and debugging real time systems that have to run reliably in production, and genuine curiosity about growing that depth into broader platform and infrastructure ownership as GridCARE scales.
Staff Software Engineer, Investment Performance and Analytics RidgelineStaff Software Engineer, Investment Performance and AnalyticsSan Ramon, CA$182,500–$228,000 / yearPowered by a single, real-time data set and embedded AI, Ridgeline helps firms automate complexity, accelerate collaboration, and deliver tailored client experiences at scale, without added headcount or risk. The Performance & Analytics team works on calculating, reporting, and effectively presenting performance and attribution metrics across investments leveraging modern OLAP and Columnar technologies.
NewSenior Software Engineer, Growth SemgrepSenior Software Engineer, GrowthSan Francisco, CaliforniaRemote$163,000–$246,500 / yearPlease Note: For US-based roles open to remote work, we are currently able to hire employees in the following states only: Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Georgia, Illinois, Maryland, Massachusetts, Michigan, Missouri, Nebraska, New Jersey, New York, North Carolina, Oregon, Tennessee, Texas, Virginia, Washington, and Wisconsin. Founded in San Francisco and backed by Menlo Ventures, Felicis Ventures, Lightspeed Venture Partners, Redpoint Ventures, and Sequoia Capital, Semgrep is recognized by Gartner in Application Security Testing and is trusted by leading organizations, including Vanta, Lyft, and Dropbox.
Staff Software Engineer, Data Platform DiscordStaff Software Engineer, Data PlatformSan Francisco, CA$279,000–$341,000 / yearIf you're the kind of Staff Engineer who sees ambiguity as an invitation - who builds systems that make whole teams faster, shapes technical strategy across the org, and wants your decisions to directly impact millions of gamers worldwide - we want to talk to you. Candidates must reside in or be willing to relocate to the San Francisco Bay Area (Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma counties).
Software Engineer, Distributed Systems DiscordSoftware Engineer, Distributed SystemsSan Francisco, CA$180,000–$220,000 / yearCandidates must reside in or be willing to relocate to the San Francisco Bay Area (Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma counties). We're a multiplatform, multigenerational and multiplayer platform that helps people deepen their friendships around games and shared interests, and helps developers build and grow their businesses.
Palantir Foundry Developer (Applications & Data Ingestion) ClifyX, INCPalantir Foundry Developer (Applications & Data Ingestion)SFO, CAYou'll partner with data engineers, product owners, and business stakeholders to translate requirements into secure, scalable solutions using Foundry's Ontology, Pipelines, Code Workbooks/Repositories, and Operational Applications (e.g., Objects & Actions driven workflows). Design and implement Foundry applications leveraging the Ontology (Objects, Object Types, Actions) to model real-world business entities and operational workflows.
Python - Senior Developers - AI Training - US Prolific Academic LtdPython - Senior Developers - AI Training - USSan Francisco, CADeep Domain Knowledge: expert understanding of the GIL (Global Interpreter Lock), decorators, generators, memory management, and asynchronous patterns (asyncio, async/await). We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback.
Developer Support Engineer BraintrustDeveloper Support EngineerSan Francisco, CaliforniaBy actively applying intelligence to agent traces and automatically surfacing the most critical patterns, Braintrust gives teams the visibility to understand how agents behave in production and the tools to improve them. Experience supporting developer-facing products as a Software Engineer, Customer Engineer, Developer Success Engineer, Technical Account Manager, or similar customer facing technical role.
NewFounding Engineer CleraFounding EngineerSan Francisco, CA$150,000–$220,000 / yearJob Description About the Role A seed-funded B2B SaaS startup in the people-data and AI agents space is looking for a high-agency Founding Engineer to build core agent infrastructure and help scale the platform toward a Series A milestone. What You'll Do Design, build, and operate core infrastructure including APIs, LLM-powered workflows, web scraping systems, and large-scale knowledge graph architecture.
Principal Software Engineer - Content Platform RobloxPrincipal Software Engineer - Content PlatformSan Mateo, CA$345,040–$399,420 / yearEvery day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.
Staff+ Software Engineer, Full-Stack AnthropicStaff+ Software Engineer, Full-StackSan Francisco, CAWe're currently building for three verticals, with more to come: Life Sciences - an agentic research platform for scientists: specialist agents for computational biology, literature review, and regulatory review, built on model capabilities we're investing in for biology and chemistry. We'll look to you to have a product-oriented mindset and input, own technical quality across the stack (performance, accessibility, reliability, and developer experience), scale your efforts to millions of users on a global scale, and carry genuine excitement about what AI makes possible.