Founding Software Engineer Open-Source Dev Tools
mcp-use (YC S25)
A tech startup is seeking a Software Engineer (Founding Team) to build and enhance dev tools for MCP development. This position requires excellent software engineering skills and the ability to work directly with founders. The role is entry-level, full-time, and primarily in-person at the Zurich office, with additional travel to San Francisco. Competitive compensation and equity are offered, along with a unique opportunity to shape technical strategy. #J-18808-Ljbffr
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Founding Software Engineer Open-Source Dev Tools in San Francisco, CA vacancy
- ...~4+ years of experience in software engineering ~ Proficiency in Python, with... ...in library design and/or open-source development ~ Strong communication... ...building developer tools, especially for AI, ML, or data... ...are a few qualities we’ve found compatible with our team. If...Suggested
CoreWeave
San Francisco, CA2 days ago - ...control, and high-performance query engines , ~ Experience with open-source data lake formats (e.g., Apache... ...GCP , ~ A passion for open-source software and community engagement, particularly... ...like Spark and Trino , Build tooling and services that automate data lake...Suggested
Snowflake Computing
San Francisco, CA2 days ago - ...CoreWeave is looking for a Senior Software Engineer to join its open-source team, focusing on ownership of backend projects and the Python ecosystem. This role requires engagement with a vibrant community, where you will balance user needs and company vision. The ideal...Suggested
CoreWeave
San Francisco, CA2 days ago - ...Opportunity Metriport is an open-source data intelligence... ...individuals. We've found product-market fit... ...two YC alumni). We're engineering-heavy, operate with minimal... ...'ll own the internal tooling that keeps our company... ...of experience in a software engineering,...SuggestedWork at officeLocal areaRemote workWork from homeRelocationFlexible hours
Metriport
San Francisco, CA1 day ago $175k - $250k
Kindredventures is seeking a Founding Software Engineer in San Francisco to help build cutting-edge AI tools. You'll define core architecture and work directly with customers to deliver exceptional user experiences. The role requires proficiency in TypeScript, React, and...Suggested- ...Founding Senior Software Engineer (SF In-Person Preferred) About Hyperscale Hyperscale is building the AI... ...orchestration, real-time decision-making, tool use, and human-AI interaction... ...stage startup or as a founding engineer Open source contributions or side projects that...Work at office
HyperScale
San Francisco, CA2 days ago $180k - $240k
...A tech company in San Francisco is looking for a Software Engineer specializing in Dev Productivity. In this role, you will streamline engineering workflows, optimize CI/CD systems, and enhance developer tooling. The ideal candidate has strong experience with CI/CD tools...HeyGen
San Francisco, CA2 days ago$140k - $170k
Alumni Ventures is hiring a CaseMark Software Engineer based in San Francisco, CA. This full-time role involves building open-source legal AI tools, integrating modern web frameworks, and collaborating on legal workflows. Candidates should have strong Next.js and TypeScript...Full time- A leading tech company is seeking a remote Software Engineer to work on innovative blockchain products using Typescript and Solidity. The role involves writing open-source software and developing backends for high-traffic applications. Candidates should have over 4 years...Remote workFlexible hours
Blockchain Works
San Francisco, CA1 day ago $300k - $405k
...Senior+ Software Engineer, Research Tools Join to apply for the Senior+ Software Engineer, Research Tools... ...closely with ML researchers Founded or been an early engineer at a startup... ...developer or researcher tools Built open-source tools or platforms with active user...Full timeWork at officeVisa sponsorshipFlexible hoursAnthropic
San Francisco, CA21 hours ago- ...visibility to understand how AI behaves in production and the tools to improve it. Teams at Notion, Stripe, Zapier, Vercel,... ...AI with every release. About The Role We’re hiring engineers to build the open‑source libraries that customers use to observe, understand, and...Flexible hours
Brain Trust Inc
San Francisco, CA2 days ago - ...FriendliAI is hiring a Python Engineer to build developer tools for our users and internal engineers. The software developed by the engineer... ...Go). Containers & local dev tooling (Docker); familiarity... ...instant access to over 500,000 open-source models. We are a small,...Local areaWorldwideFlexible hours
FriendliAI Corp
San Francisco, CA1 day ago - A leading blockchain company is looking for an experienced TypeScript engineer to develop essential open-source tools and libraries for the ZetaChain platform. The ideal candidate will focus on creating a user-friendly TypeScript client and enhancing the developer experience...Remote work
WorksHub
San Francisco, CA3 days ago $160k - $240k
...ubiquitous. We build the foundation for agent engineering in the real world, helping developers... ...rely on. We began as widely adopted open-source tools and have grown to also offer a... ...What You'll Bring ~3+ years of software engineering or applied machine learning...Work at officeFlexible hoursLangChain, Inc
San Francisco, CA2 days ago- Requirements Experience leading a team of software engineers , Advanced proficiency programming in... ...to or managing projects within open-source ecosystems , (Desirable) Experience developing... ...platform APIs and to use Intrinsic tools to extend Flowstate , You will lead an...
- ...digitizing: adding sensors, software, and dashboards... ...Founders Takt was founded by Adhitya Raghavan (CEO) and... ...Princeton (Mechanical & Aerospace Engineering), Harvard (MBA, Baker Scholar... ...made. Along the way, he built open-source tools and collaborated with...Temporary workRelocation
pear.ai
San Francisco, CA1 day ago $190k - $280k
Sentry is looking for a Senior Software Engineer based in San Francisco to take end-to-end ownership... ...of coding projects. You'll leverage AI tools to enhance productivity and work... ...Join a team that values inclusivity and open-source contributions. #J-18808-Ljbffr Sentry- ...A well-funded data platform startup is seeking a software engineer to contribute to their open-sourced data engine. The hybrid role involves working in the SF office three days a week, focusing on both frontend and backend development. Candidates should have 3+ years of...Work at office3 days per week
DRH Search
San Francisco, CA2 days ago $174.5k - $236.1k
...Drata, we're not just building software - we're building a mindset.... ...: The Senior Platform Engineer II, AI Tooling on the Developer Experience... ...(and the rest of the AI dev stack) into a paved road... ...agent skills, plugins, or open-source AI dev tool contributions...Work at officeImmediate startWorldwideMonday to FridayFlexible hoursDrata Inc
San Francisco, CA21 hours ago$131.9k - $178.5k
...Drata, we're not just building software - we're building a mindset.... ...Summary: The Platform Engineer, AI Tooling on the Developer Experience... ...agents (and the rest of the AI dev stack) into the default way... ...: published agent skills or open-source AI dev tool contributions,...Work at officeImmediate startWorldwideMonday to FridayFlexible hoursDrata Inc
San Francisco, CA21 hours ago- ...performance monitoring, is seeking a Senior Software Engineer with JavaScript expertise in San... ...like React and Vue, ensuring powerful tools for developers. The role emphasizes ownership... ...and fostering collaboration within an open-source community. Join us to shape the tools...
$140k - $170k
...Software Engineer Ship open‑source legal AI tools—full‑stack engineer working with Next.js, TypeScript, and LLMs to make... .... About CaseMark CaseMark (founded June 2023, Portland, OR) is an AI‑... ...Platforms CaseMark and case.dev are the foundation of this vision:...Immediate startShift workCaseMark
San Francisco, CA2 days ago$130k - $170k
...Founding Engineer Join now to apply for the Founding Engineer role at Nowadays (YC S23) .... ...database Build systems that automate sourcing, contracting, negotiation, and payments... ...deeply understand problems and build better tools Compensation & Benefits US (PST)...Full timeWork at officeNowadays (YC S23)
San Francisco, CA2 days ago$150k - $200k
...Join to apply for the Founding Software Engineer role at Attune (YC X25) Join to apply for the... ...0/yr Attune is building developer tools for a post-AI world. Our first product... ...is incomplete, and then reading the source code to understand behavior. You own...Full timeAttune (YC X25)
San Francisco, CA2 days ago- ...Software Engineer Watershed is a software platform for running a world-class... ...engineer on our Developer Tooling team. Our mission is to make... ...product with streamlined local dev, AI development tooling, and... ...days per week. Certain jobs are open to being remote and will be...Work at officeLocal areaRemote work
WaterSHED
San Francisco, CA21 hours ago $120k - $160k
...Full-Stack Founding Engineer We're looking for a full-stack founding engineer to help build... ...sync engine that connects to dozens of sources and keeps data flowing reliably Ship... ...Contribute to CI/CD, observability, and the tooling that keeps the team moving fast...Airweave (yc X25)
San Francisco, CA21 hours ago$165k - $230k
...platform that powers software, APIs, payments... ...ecosystem. Founded: 2017... ...from building an open data lake for health... ..., to building dev ops for our... ...Partner with engineering leaders and product... ...and related open source projects,... ...common DevOps tools and practices....Live inRemote workFlexible hoursNexHealth
San Francisco, CA2 days ago$170k - $200k
The Opportunity Be the founding engineer of Menlo’s venture intelligence... ...-driven technology and tools that help the entire... .... This isn't a normal dev role—it combines aspects of software and AI development, design... ...disparate data sources The above stack is what...- ...We are seeking a highly skilled Senior Software Engineer to join our Integration team. In this role... ...for building robust internal tools to manage the release and deployment of... ...map data, etc.) Manage third‑party and open source dependencies across our technology stack...
BOT Inc.
San Francisco, CA2 days ago - ...adoption of their product in open source, and create engaging content.... ...communicate effectively about developer tools. The ideal candidate will have a passion for helping engineers and improving user experiences... ...working closely with the founding team in a collaborative...
Greptile
San Francisco, CA2 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Founding Software Engineer Open-Source Dev Tools. Be the first to apply!
Related searches
- software sales engineer San Francisco, CA
- software engineer internship remote San Francisco, CA
- IT software developer San Francisco, CA
- new grad software engineer San Francisco, CA
- software engineer staff San Francisco, CA
- integration software engineer San Francisco, CA
- machine learning software engineer San Francisco, CA
- software engineer part time San Francisco, CA
- facebook software engineer San Francisco, CA
- senior robotics software engineer San Francisco, CA