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Infisical Hiring: Senior Frontend Engineer for Open Source AI Security

2025-04-19
Infisical Hiring: Senior Frontend Engineer for Open Source AI Security

Infisical, the open-source security infrastructure platform backed by Y Combinator, Google, and Elad Gil, is seeking a senior design engineer to elevate the user experience of its rapidly growing platform. This role requires deep expertise in React and TypeScript, exceptional product design and UI/UX skills, and a collaborative spirit. You'll work closely with co-founders and the engineering team, translating product requirements into intuitive user experiences and leading frontend architecture for new product lines like Infisical PKI, Infisical SSH, and Infisical KMS. Competitive compensation, unlimited PTO, and a team with experience from companies like Figma, AWS, and Sentry are offered. If you thrive on challenges and rapid growth, this is your chance to shape the future of AI security.

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(www.ycombinator.com)
Development

Dot: Hiring its First Customer Success/Sales Engineer

2025-04-18
Dot: Hiring its First Customer Success/Sales Engineer

AI data analysis startup Dot is hiring its first Customer Success/Sales Engineer. This hybrid role encompasses the entire customer journey, from onboarding and support to pre-sales technical evaluations. You'll bridge the gap between product and user, collaborating closely with founders and engineering to maximize customer value. The ideal candidate possesses experience with data warehouses, BI tools, and SQL, along with strong technical troubleshooting, communication, and sales skills. This is a chance to join a small but impactful team, working directly with founders and making a significant contribution to data-driven teams.

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(www.ycombinator.com)
Startup AI data analysis Customer Success

Formance: Rewriting the Rules of Developer-Finance Interaction

2025-04-17
Formance: Rewriting the Rules of Developer-Finance Interaction

Formance is on a mission to redefine how developers interact with money as a first-class primitive, enabling the composition of financial applications. Currently hidden within permissioned, vendor-locked infrastructure, money needs to be rewired to empower product-focused companies. The Formance Platform provides open-source, agnostic primitives for engineers, allowing integration with their chosen financial partners. Formance is globally native, serving enterprise clients worldwide, 24/7, to build and scale financial applications.

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(www.ycombinator.com)
Development

Typewise (YC S22) is Hiring a Machine Learning Engineer in Zurich

2025-04-15
Typewise (YC S22) is Hiring a Machine Learning Engineer in Zurich

Typewise, a YC S22 startup building an AI customer service platform for enterprises, is seeking a Machine Learning Engineer to join their Zurich-based team. Leveraging custom AI and LLMs, Typewise boosts efficiency by up to 50% for clients like Unilever and DPD. The role involves researching, developing, and deploying cutting-edge NLP algorithms, collaborating directly with enterprise clients to optimize workflows, and contributing to the continuous improvement of their AI technology. Ideal candidates possess a computer science degree, 2+ years of experience building and deploying ML algorithms, and excellent Python programming skills. This is a chance to make a significant impact on a rapidly growing, innovative company.

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(www.ycombinator.com)
AI

SF Startup Artie Hiring Founding Product Engineer

2025-04-12
SF Startup Artie Hiring Founding Product Engineer

Fast-growing San Francisco-based database replication startup Artie is seeking its third engineer, a Founding Product Engineer. You'll build real-time database replication solutions leveraging Kafka and CDC, directly interact with technical customers to improve UX, and build new features (e.g., column exclusion, encryption, schema change alerts). The tech stack includes Go, PostgreSQL, Redis, Kafka, Elasticsearch, Kubernetes, and Terraform. This challenging role requires 4+ years of web development experience in a startup environment; Go proficiency is a plus.

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(www.ycombinator.com)
Startup

Founding Engineer Needed: AI-Powered Video Editing Revolution

2025-04-11
Founding Engineer Needed: AI-Powered Video Editing Revolution

Mosaic, an AI-powered node-based video editing paradigm, won the $25,000 grand prize at the Google Gemini Kaggle competition. We're seeking a Founding Engineer to accelerate development of our core agentic video editing technology. Responsibilities include building scalable video processing and inference pipelines, designing evaluations, and making high-level product decisions. The team comprises ex-Tesla engineers and aims to reduce video editing time from hours to seconds. First-principles thinking is a must.

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(www.ycombinator.com)
Development AI video editing Founding Engineer

Roame is Hiring a Founding Product Designer ($100k-$175k)

2025-04-11
Roame is Hiring a Founding Product Designer ($100k-$175k)

Flight search engine Roame, backed by Y Combinator and others, seeks a Founding Product Designer. This is a full-ownership role encompassing UI/UX, visual design, branding, and video production. The ideal candidate is passionate about travel and points, thrives in fast-paced environments, and embraces a strong work ethic. Compensation includes a salary of $100,000-$175,000, equity (0.25%-0.75%), and comprehensive benefits. Located in San Francisco.

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(www.ycombinator.com)
Design

MediSearch (YC S23) is Hiring a Frontend-Leaning Founding Engineer

2025-04-11
MediSearch (YC S23) is Hiring a Frontend-Leaning Founding Engineer

MediSearch, a Y Combinator Summer 2023 company building a search engine for medical information using LLMs and trustworthy sources, is hiring a founding engineer with a frontend focus. This full-time role, based in Bratislava, Slovakia, offers flexibility for remote work but requires significant on-site presence. Responsibilities include frontend coding, design, and collaboration with backend engineers. Even candidates with no prior experience are encouraged to apply.

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(www.ycombinator.com)
Development Medical Search Engine

Parity: AI-Powered SRE to Eliminate On-Call Hell

2025-04-10
Parity: AI-Powered SRE to Eliminate On-Call Hell

Tired of 2 AM pager duty and endless alerts? Parity uses AI to automate the investigation, root cause analysis, and remediation of infrastructure issues, making on-call a thing of the past. The product has seen strong adoption with early customers and has the potential to define a new category. Parity is backed by top-tier investors including Y Combinator, General Catalyst, and Sugar Free Capital, as well as angel investors from leading startups like Midjourney and Crusoe.

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(www.ycombinator.com)
AI

Founding Engineer: AI-Native Ops for Mental Healthcare

2025-04-10
Founding Engineer: AI-Native Ops for Mental Healthcare

Legion Health (YC S21, $1M+ ARR) is hiring a Founding Engineer to build AI-native care infrastructure. They've already built a real-time, AI-powered backend supporting 2000+ patients with a robust tech stack (Node.js, Next.js, TypeScript, Supabase, AWS). This role demands full-stack expertise, encompassing backend architecture, LLM agent infrastructure, human-AI UX, and data compliance. It's a high-impact opportunity for engineers eager to pioneer AI in healthcare.

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(www.ycombinator.com)
Development Mental Health Tech Full-Stack Engineering

Paradigm: Hiring Founding Engineers for AI-Native Workspace

2025-04-08
Paradigm: Hiring Founding Engineers for AI-Native Workspace

Paradigm, a San Francisco-based AI-native workspace startup backed by Y Combinator and prominent tech founders, is seeking experienced generalist founding engineers. Ideal candidates possess experience building production AI applications, thrive in fast-paced environments, and ideally have experience with GoLang, TypeScript, and related technologies. Competitive salaries and benefits, including equity, are offered.

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(www.ycombinator.com)
Development Founding Engineers

Foundry: Tackling the Reliability Crisis in Browser Agents

2025-04-06
Foundry: Tackling the Reliability Crisis in Browser Agents

Current browser agents from leading AI labs fail over 80% of real-world tasks. Foundry is building the first robust simulator, RL training environment, and evaluation platform designed specifically for browser agents. By creating perfect replicas of websites like DoorDash, Foundry allows for millions of tests without real-world complexities, pinpointing failure points and accelerating improvements. Their mission is to transform unstable research projects into reliable enterprise solutions. They're seeking exceptional full-stack engineers to join their team of ML experts from Scale AI, to tackle this massive $20B+ automation market opportunity.

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(www.ycombinator.com)
AI

AI Engineer: Build the Next-Gen Customer Research AI Assistant

2025-04-05
AI Engineer: Build the Next-Gen Customer Research AI Assistant

Great Question, a customer research platform company, is hiring an AI Engineer to design and implement an agent-based UI, building an AI research assistant to help users conduct research. The role requires expertise in prompt engineering, agent frameworks (LangGraph, etc.), and LLM application development (JavaScript preferred), encompassing AI system architecture, prompt optimization, framework selection and implementation, and performance evaluation. This is a fully remote role, with a preference for candidates in the US or Canada.

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(www.ycombinator.com)
Development Customer Research LLM Applications

YC-Backed AI Startup Seeks Top 0.1% Systems Engineer

2025-04-04
YC-Backed AI Startup Seeks Top 0.1% Systems Engineer

Thunder Compute, a Y Combinator-backed AI infrastructure startup, is hiring a systems engineer. They're building technology to drastically improve GPU utilization via sharing and oversubscription at the CUDA API layer. Their core software network-attaches GPUs over TCP, allocating compute where needed most, resulting in 5x+ utilization gains with minimal performance overhead. This is a $100B+ opportunity, requiring a top-tier systems engineer with exceptional C++ skills, deep hardware/GPU architecture knowledge, and experience in low-latency environments (like hedge funds or NVIDIA). The role offers a chance to make a significant impact in a high-growth startup.

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(www.ycombinator.com)
Tech GPU utilization systems engineering

Onyx: Open-Source GenAI Platform Raises $10M Seed Round

2025-04-03
Onyx: Open-Source GenAI Platform Raises $10M Seed Round

Onyx, an open-source generative AI platform, connects your company's docs, apps, and people. It ingests and syncs information from various sources (Google Drive, Slack, GitHub, Confluence, Salesforce, etc.) to create a central hub for asking questions. Imagine your most knowledgeable colleagues, all in one place, 24/7! Onyx believes every modern team will use knowledge-enhanced GenAI within 5 years, and aims to bring this technology to teams worldwide. They just closed a $10M seed round led by Khosla Ventures and First Round Capital, boasting clients like Netflix, Ramp, and Applied Intuition, as well as open-source users including Roku, Zendesk, and L3Harris.

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(www.ycombinator.com)
AI Enterprise Knowledge Management

Type: Hiring a Senior Software Engineer

2025-04-03
Type: Hiring a Senior Software Engineer

Type, an AI-native document editor backed by Y Combinator, is looking for a product-minded senior software engineer to join its small team in Brooklyn. The ideal candidate will have extensive experience building complex web applications, be proficient in React and TypeScript, and possess strong product intuition. Responsibilities include building advanced rich text editing features, collaborative editing capabilities, and LLM-based writing and editing tools. Competitive salary, stock options, and comprehensive benefits are offered.

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(www.ycombinator.com)
Development

Pulse: AI Startup Tackles Complex Document Data Extraction

2025-04-02
Pulse: AI Startup Tackles Complex Document Data Extraction

Pulse is tackling a persistent challenge in data infrastructure: extracting accurate, structured information from complex documents at scale. Their breakthrough approach combines intelligent schema mapping with fine-tuned extraction models, surpassing legacy OCR and other parsing tools. This fast-growing San Francisco-based team serves Fortune 100 companies, YC startups, and more, backed by top-tier investors. Their multi-stage architecture includes layout understanding, low-latency OCR, advanced reading order algorithms, proprietary table recognition, and vision-language models for charts and tables. If you're passionate about computer vision, NLP, and data infrastructure, Pulse offers a chance to directly impact customers and shape the future of document intelligence.

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(www.ycombinator.com)
AI Document Intelligence

Meru Health: Revolutionizing Healthcare, Tackling Mental Health Challenges

2025-04-01
Meru Health: Revolutionizing Healthcare, Tackling Mental Health Challenges

Founded in 2016, Meru Health aims to help and empower individuals struggling with mental health issues. This diverse team of scientists, engineers, clinicians, and entrepreneurs is dedicated to making treatment for depression, anxiety, and burnout accessible, effective, and outcome-driven. Their mission is deeply personal; driven by founders' losses to depression, they strive to aid those suffering.

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(www.ycombinator.com)
Startup

Distro Hiring Lead Solutions Engineer: AI-Powered Sales Platform

2025-03-31
Distro Hiring Lead Solutions Engineer: AI-Powered Sales Platform

Distro, an AI-powered sales platform for industrial wholesalers and distributors, is seeking a Lead Solutions Engineer. This role requires 7+ years of experience in software implementation, system integration, and troubleshooting. Responsibilities include leading customer implementations, providing technical support, and ensuring customer satisfaction. The ideal candidate possesses strong technical skills, project management expertise, and problem-solving abilities. Located in Palo Alto, CA.

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(www.ycombinator.com)
Startup Lead Solutions Engineer

SF Startup Seeking Full-Stack Data Engineer

2025-03-30
SF Startup Seeking Full-Stack Data Engineer

A San Francisco-based startup is hiring a full-stack engineer to join its agile engineering team. Responsibilities include creating and managing data collection scripts (from basic HTTP requests to browser and mobile app automation), building and maintaining automation/scheduling tools, creating data cleaning and normalization scripts (with opportunities to integrate ML/LLMs), designing data analytics dashboards and tools, and assisting with DevOps tasks. Candidates should be proficient in Python, SQL, and Unix, enjoy working on diverse projects concurrently, and be able to execute independently. Bonus skills include web crawling, Docker, Kubernetes, full-stack web development, mobile app development, and a statistics background. Benefits include lunch, unlimited PTO, 401k, platinum PPO health insurance, and a salary of $100K-$150K plus 0.25%-1% equity.

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(www.ycombinator.com)
Development

Revyl: Proactive Observability for Faster, More Reliable Software Releases

2025-03-27
Revyl: Proactive Observability for Faster, More Reliable Software Releases

Revyl is a proactive observability platform that catches and triages bugs in iOS, Android, and web apps before they reach production. Their mission is to automate software reliability by providing end-to-end testing, enabling faster and more confident releases. Founded by the creators of DragonCrawl and backed by prominent investors like Felicis, General Catalyst, and Y Combinator, along with strategic angels from Meta, Nvidia, and Uber, Revyl boasts early enterprise traction and aims to become the default reliability platform.

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(www.ycombinator.com)
Development

Craniometrix: $7M+ in Revenue and Hiring a Chief of Staff to Scale

2025-03-27
Craniometrix: $7M+ in Revenue and Hiring a Chief of Staff to Scale

Craniometrix, a healthcare startup, has secured over $7 million in revenue and is seeking a Chief of Staff to help scale its operations. Leveraging Medicare's new GUIDE program, they provide innovative care for dementia patients while generating additional income for physicians. The company uses a software and services model, with payments starting July 1st, and has already signed a significant number of doctors. The ideal candidate will be highly detail-oriented, work across all aspects of the business, and manage multiple projects simultaneously. Responsibilities include onboarding customers, building processes (AI-powered outbound calling, etc.), translating operations into product requirements, assisting with investor decks, responding to sales inquiries, and identifying expansion opportunities. The position requires 3+ years of healthcare experience, strong operations management skills, and a commitment to working 60+ hours per week. Craniometrix is building the world's first one-stop-shop care platform for Alzheimer's disease, focusing on optimizing care monitoring, management, and intervention.

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(www.ycombinator.com)
Startup Healthcare Tech Healthcare Startup

Weave is Hiring a Founding Product Engineer!

2025-03-26
Weave is Hiring a Founding Product Engineer!

Weave, a rapidly growing and profitable startup, seeks an exceptional founding product engineer. Reporting directly to the CTO and CEO, you'll build core products for millions of engineers. We value your grit, pragmatism, empathy, and communication skills. While familiarity with our tech stack (React, TypeScript, Go, Python) is a plus, we prioritize your problem-solving skills and passion for improving engineering productivity.

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(www.ycombinator.com)
Development

Hadrius: Seeking Founding Software Engineer to Prevent the Next Financial Crisis

2025-03-23
Hadrius: Seeking Founding Software Engineer to Prevent the Next Financial Crisis

Hadrius, a rapidly growing FinTech startup, is hiring a full-time Founding Software Engineer and Technical Lead to build the automated back office for financial firms using AI. Backed by top-tier VCs and doubling revenue every 3 months, Hadrius uses AI to analyze massive datasets to identify regulatory violations. This role requires 4+ years of experience, proficiency in Django/Python and React/Next/Typescript, and a fast-paced, high-impact work style. The ideal candidate will contribute significantly within their first month, helping to prevent the next financial crisis. Hadrius already serves 100+ financial institutions managing over $400B in assets.

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(www.ycombinator.com)
Startup

High-Growth Voice AI Fintech Startup Seeking Senior Engineer

2025-03-23
High-Growth Voice AI Fintech Startup Seeking Senior Engineer

Domu, a rapidly growing fintech startup, is seeking a senior engineer. They've tripled their ARR with Fortune 500 clients and 50% of their code is already AI-generated. The role involves daily feature releases, solving complex product challenges (like optimizing voice AI for collections), scaling infrastructure for millions of calls, client onboarding (including travel), and AI agent stress testing. Candidates need 3+ years experience, a proven track record of shipping scalable products, and a willingness to work long hours and travel frequently. Equity and revenue-based compensation are offered.

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(www.ycombinator.com)
Startup

Pump: AI-Powered Cloud Cost Optimization Saving You 60%

2025-03-20
Pump: AI-Powered Cloud Cost Optimization Saving You 60%

Cloud spending hits a staggering $500 billion annually, the fastest-growing expense for tech companies. Pump offers an AI-powered platform automating savings and leveraging group buying to slash cloud costs by up to 60%. Backed by Y Combinator, Pump's experienced team is building a transparent, collaborative, and fast-paced company culture focused on success.

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(www.ycombinator.com)
AI Cloud Cost Optimization Group Buying

Spaceium Hiring: Software Engineer for Spacecraft Development

2025-03-18
Spaceium Hiring: Software Engineer for Spacecraft Development

Spaceium is seeking a Software Engineer to design and build the software powering its spacecraft. Responsibilities include developing critical systems for flight software, data processing, control algorithms, and automation tools. The ideal candidate possesses strong software development skills, understands aerospace standards, and is passionate about pushing technological boundaries. Experience is a plus but not mandatory; enthusiasm for learning and a willingness to work hard are key. Compensation is $90k-$110k USD annually, plus equity.

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(www.ycombinator.com)
Development Space Software

Depot: Startup Revolutionizing Software Builds Seeks First Marketing Hire

2025-03-18
Depot: Startup Revolutionizing Software Builds Seeks First Marketing Hire

Depot, a rapidly growing build acceleration platform boasting 500+ paying customers and double-digit monthly growth, is seeking its first dedicated marketing hire. This role will be crucial in developing and executing a comprehensive marketing strategy, encompassing customer acquisition, activation, and expansion; content creation and calendar management; lead generation and nurturing; analytics and experimentation; and close collaboration with engineering and founders. The ideal candidate will possess 5+ years of developer-focused marketing experience, fluency with analytics tools, and a proven track record of success in content marketing, social media, SEO, and email campaigns.

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(www.ycombinator.com)
Startup build acceleration marketing

Doctor Droid: AI-Powered Production Incident Debugging

2025-03-18
Doctor Droid: AI-Powered Production Incident Debugging

Doctor Droid is building a smart assistant to help engineering teams accelerate investigations during production incidents. This open-source platform, backed by Accel and a Y Combinator W23 graduate, aims to reduce downtime and boost developer productivity. Their vision is to empower any team member to debug common production issues without needing senior engineers. They're looking for passionate developers to join their team.

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(www.ycombinator.com)
Development Production Incidents
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