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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

Luthor: Hiring Their First Full-Time Engineer

2025-03-17
Luthor: Hiring Their First Full-Time Engineer

Luthor, a fintech startup building AI-powered marketing compliance agents, is hiring its first full-time engineer. The role involves collaborating directly with the CEO and CTO to design and build the platform's core architecture, directly interacting with customers to gather feedback and develop innovative solutions. The tech stack includes Ruby on Rails, Postgres, React, and Docker. The ideal candidate is customer-obsessed, experienced in building and scaling high-performing B2B software products, entrepreneurial, and a strong communicator. Compensation is $120k-$180k, plus generous equity, commuter benefits, paid team vacations, and comprehensive health insurance.

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(www.ycombinator.com)
Startup

Neuro-First AI Startup Seeks Engineers to Build Groundbreaking Brain-Computer Interfaces

2025-03-17
Neuro-First AI Startup Seeks Engineers to Build Groundbreaking Brain-Computer Interfaces

Piramidal is hiring Research Engineers to build AI systems focused on neural data, enabling previously impossible tasks. Ideal candidates possess strong engineering skills, including designing, implementing, and enhancing massive-scale distributed machine learning systems, and a foundational understanding of neuroscience. The company offers competitive compensation and equity, driven by a mission to empower human potential through technology, championing cognitive liberty and opposing the commodification of minds.

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(www.ycombinator.com)
AI

Founding Applied AI Engineer at Kastle: Revolutionizing Mortgage Servicing with AI

2025-03-16
Founding Applied AI Engineer at Kastle: Revolutionizing Mortgage Servicing with AI

Kastle, an AI-powered platform serving major US mortgage lenders, seeks a Founding Applied AI Engineer. With backing from Y Combinator and other prominent investors, Kastle is redefining loan servicing. This role requires 3+ years of experience in applied AI, proficiency in Python and deep learning frameworks, and experience fine-tuning LLMs. Responsibilities include integrating AI into their platform, designing AI workflows, ensuring regulatory compliance (FDCPA, RESPA, TILA), and optimizing for performance and scalability. This is a unique opportunity to build the foundation of a rapidly growing AI startup.

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(www.ycombinator.com)
AI

Parahelp: Building AI Coworkers That Replace Human Support Agents

2025-03-15
Parahelp: Building AI Coworkers That Replace Human Support Agents

Parahelp is building an AI-powered support agent for software companies. Their agent uses existing infrastructure (Slack, Stripe, etc.) to resolve support tickets end-to-end, aiming to fully replace human support agents. They believe context, not intelligence, will be the bottleneck for future AI coworkers. Launched in August 2024, Parahelp is backed by Y Combinator and prominent investors, and already works with leading companies like Perplexity and Framer.

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(www.ycombinator.com)
AI

Stellar Sleep Seeking Founding Product Engineer

2025-03-15
Stellar Sleep Seeking Founding Product Engineer

Stellar Sleep, a startup on a mission to improve sleep for millions with chronic insomnia, is hiring a founding product engineer. Launched in 2022, the company boasts strong clinical data, backing from top investors like Initialized Capital and Y Combinator, and proven success in helping tens of thousands sleep better. The ideal candidate will have 3-6 years of software engineering experience, proficiency in TypeScript and Python, familiarity with Django Rest Framework or NextJS, and a willingness to work from the San Francisco office. A healthcare background isn't required; a passion for learning and excellence is key.

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(www.ycombinator.com)
Startup Product Engineer

Noloco is Hiring a Senior Product Designer to Build its No-Code App Platform

2025-03-15
Noloco is Hiring a Senior Product Designer to Build its No-Code App Platform

Noloco, a fast-growing, remote-first company backed by Y Combinator, is hiring a Senior Product Designer. Your primary mission will be to establish a strong design foundation for Noloco, making its platform simple, powerful, and flexible for non-technical users. This includes defining the design system, redesigning the mobile experience, and helping to build new product features that enable businesses to build amazing software without writing code. This is a high-impact role where your work will directly influence Noloco's success, with opportunities for growth as the company scales.

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(www.ycombinator.com)
Development

Optifye: YC-backed AI Factory Optimization Startup Hiring Founding Team

2025-03-15
Optifye: YC-backed AI Factory Optimization Startup Hiring Founding Team

Optifye, an AI performance monitoring system for factories, uses computer vision to identify and address inefficiencies in real-time. Having successfully deployed their system across leading manufacturers in garments, automotive, medical, and FMCG sectors on three continents, achieving a 12% productivity boost, they're now scaling rapidly after graduating from YC W25. Their ambitious goal is to deploy their system on 100 manufacturing lines in the next 4 months. They're seeking experienced engineers with deep expertise in GPU/CPU/memory optimization, scaling CV applications in production, containerized cloud deployments (AWS preferred), and a relentless drive to solve complex problems. This is a high-pressure, high-reward opportunity for top-tier talent.

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(www.ycombinator.com)
AI Factory Optimization

Lead Technical Artist Wanted: Revolutionizing Social VR Gaming

2025-03-14
Lead Technical Artist Wanted: Revolutionizing Social VR Gaming

Gym Class, the top-rated Meta Quest game (58K ratings, 4.9 stars), is seeking a Lead Technical Artist! You'll optimize art pipelines, develop tools, and enhance visual fidelity and performance across VR and mobile platforms using Unity, C#, and Python. Collaborate with engineers on performance profiling and optimization. Backed by top-tier investors including Andreessen Horowitz, Y Combinator, and the NBA, this is a chance to work at the forefront of social VR gaming, with fast iteration cycles and a direct impact on product development.

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(www.ycombinator.com)
Game VR Game Development Lead Technical Artist

Prequel: A rapidly growing startup enabling B2B data access for customers

2025-03-14
Prequel: A rapidly growing startup enabling B2B data access for customers

Prequel is a rapidly growing startup empowering B2B companies to make their data accessible to customers. They sync tens of billions of rows of data daily, tackling challenging technical problems, and have achieved strong product-market fit. Currently expanding, they're developing a new product and seeking experienced engineers to build it from the ground up, create excellent React experiences and SDKs, and own key architectural and design decisions. Ideal candidates have 3+ years building software at scale, expertise with React and TypeScript, and a proven ability to design excellent APIs/SDKs. They offer competitive salaries, equity, benefits, and a fantastic work environment.

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(www.ycombinator.com)
Startup

Spark: AI-Powered Streamlining of Renewable Energy Development

2025-03-13
Spark: AI-Powered Streamlining of Renewable Energy Development

Spark is building an advanced AI research tool to help energy developers build solar farms and battery plants. The tool tackles a major challenge in renewables – navigating complex local regulations. Industry leaders like Colliers, Standard Solar, and Cypress Creek Renewables already use Spark to inform investment decisions. Their projects will generate the equivalent of 60GW – enough to power tens of millions of homes annually! Spark is seeking experienced engineers to build core APIs, AI infrastructure, and data pipelines, owning features from concept to production and customer feedback.

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(www.ycombinator.com)
Tech Energy Tech

Shadeform Hiring Senior Software Engineer for GPU Cloud Marketplace

2025-03-13
Shadeform Hiring Senior Software Engineer for GPU Cloud Marketplace

Shadeform is hiring a Senior Software Engineer to build core orchestration and managed services for its GPU cloud marketplace. The company provides affordable and reliable GPU compute to Fortune 100 companies, startups, and more. The ideal candidate will have experience with Go programming, orchestration (Kubernetes, Nomad, etc.), cloud (AWS and GCP), and GPU/ML infrastructure. Competitive compensation, equity, and remote work options are offered.

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(www.ycombinator.com)
Development GPU cloud computing

Legion Health: AI-Powered Mental Healthcare – Hiring Top-Tier Engineers

2025-03-11
Legion Health: AI-Powered Mental Healthcare – Hiring Top-Tier Engineers

YC-backed Legion Health is hiring top-tier AI engineers to build an AI-driven mental healthcare system. Focusing on operational efficiency rather than AI diagnostics, they're optimizing telepsychiatry through AI. Engineers will work on LLM workflow optimization, improving AI models for scheduling, risk assessment, and revenue cycle automation, refining feedback loops, and implementing reinforcement learning. Ideal candidates have 3+ years of AI/ML engineering experience, strong Python and ML skills (LLMs, NLP, PyTorch/TensorFlow), and an interest in AI for healthcare.

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(www.ycombinator.com)
AI

Structured: Redefining Data App Development

2025-03-10
Structured: Redefining Data App Development

Structured is revolutionizing how developers build and deploy data applications by consolidating the entire analytics stack into code. Addressing the inefficiency of deploying production-grade data-intensive apps, Structured offers a lightweight SDK enabling developers to prototype, deploy, and manage data applications (dashboards, internal tools) in hours. They're looking for experienced full-stack engineers to join their team and work on building the core SDK, designing interactive components, and optimizing performance. The tech stack includes Python, TypeScript, Next.js, React, Postgres, AWS/GCP.

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(www.ycombinator.com)
Development data app development lightweight SDK full-stack engineer

Infisical Hiring: Full-Stack Engineer to Revolutionize Secret Management

2025-03-09
Infisical Hiring: Full-Stack Engineer to Revolutionize Secret Management

Infisical, the #1 open-source secret management platform, is seeking a full-stack engineer. You'll build, optimize, and maintain the core product, ensuring a great user experience and exploring AI-driven secret management. Ideal candidates possess strong full-stack skills: infrastructure management, Docker/Kubernetes, cloud-native architecture (AWS preferred), TypeScript/Go. This is a fast-growing team; within 18 months, you'll impact thousands of users and potentially own key platform components.

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(www.ycombinator.com)
Development

SF Startup Seeking Experienced Engineer – Join Our Nimble Team!

2025-03-08
SF Startup Seeking Experienced Engineer – Join Our Nimble Team!

A San Francisco-based startup is hiring an experienced engineer to join its small, agile engineering team. The role involves diverse projects and large-scale data pipelines (100M+ data points monthly). Proficiency in Python, SQL, and Docker is required, with bonus points for web crawling, Kubernetes, and LLM pipeline experience. Excellent benefits include lunch, unlimited PTO, 401k, platinum health insurance, a $150k-$200k salary, and 0.5%-2% equity.

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(www.ycombinator.com)
Development Data Pipeline

YC-backed Kraftful is Hiring a Senior Engineer to Revolutionize Product Development with LLMs

2025-03-07
YC-backed Kraftful is Hiring a Senior Engineer to Revolutionize Product Development with LLMs

Kraftful, a Y Combinator-backed startup, is seeking a passionate senior engineer. Leveraging large language models from OpenAI and others, Kraftful transforms scattered user feedback into actionable product requirements, helping teams build what users actually need. With 50,000+ product teams already using their platform and experiencing 34% MoM MRR growth, Kraftful is rapidly scaling and offers engineers a chance to redefine product development. This is a unique opportunity to join a rocketship company backed by top investors.

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(www.ycombinator.com)
Development

Roame is Hiring a Chief of Staff: Revolutionizing Points Travel

2025-03-07
Roame is Hiring a Chief of Staff: Revolutionizing Points Travel

Roame, a company helping millions redeem points for dream vacations, seeks a Chief of Staff. This executive will work directly with the CEO on numerous strategic initiatives across product, sales, marketing, and more. The ideal candidate will have a background in investment banking, management consulting, or strategy/operations, and a passion for points travel. Roame offers competitive benefits but emphasizes a strong work ethic and high accountability. This is a fast-paced startup role perfect for those aspiring to be a founder or COO.

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(www.ycombinator.com)
Startup Points Travel

Cargo is Hiring its First AE: AI-Powered Sales, Full-Cycle Ownership

2025-03-07
Cargo is Hiring its First AE: AI-Powered Sales, Full-Cycle Ownership

Cargo is searching for its first full-cycle Account Executive to revolutionize its GTM strategy using AI and automation. This isn't just about hitting quota; it's about shaping the future of sales in an AI-first world. The ideal candidate boasts strong B2B SaaS sales experience, a proven track record of exceeding quota, and comfort with AI and automation tools. This role offers significant ownership, covering the entire sales cycle, with the potential to build and lead your own team. Cargo offers competitive compensation and benefits, including equity, unlimited PTO, and robust employee development programs, fostering a collaborative, fast-paced environment.

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(www.ycombinator.com)
Startup AI Sales

Koko: AI-Powered Mental Health Nonprofit Seeking Technical Leader

2025-03-06
Koko: AI-Powered Mental Health Nonprofit Seeking Technical Leader

Koko, a mental health tech non-profit founded by former MIT and Airbnb engineers, is hiring a technical leader. They're building scalable AI systems to provide immediate online mental health support to young people, integrating their interventions into platforms like TikTok and Discord. Having already helped over 4 million young people across 199 countries, Koko emphasizes data-driven product decisions, A/B testing, and rigorous safety standards. This is an opportunity to make a significant impact using AI for good.

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(www.ycombinator.com)
AI Mental Health

Arva AI is Hiring: AI Product Engineer to Revolutionize Financial Crime Intelligence

2025-03-06
Arva AI is Hiring: AI Product Engineer to Revolutionize Financial Crime Intelligence

Arva AI is seeking an AI Product Engineer to build and iterate on the full-stack features of its AI-powered compliance platform. Leveraging cutting-edge AI, including LLMs and computer vision, the platform automates manual review tasks, boosting efficiency and slashing costs. The ideal candidate will have full-stack experience (TypeScript, React, NodeJS) and expertise in prompt engineering, fine-tuning pre-trained models, and training custom models (including vision models). Arva AI fosters a culture of speed, customer focus, and transparency. The position offers competitive salary and equity, plus four weeks of remote work annually.

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(www.ycombinator.com)
Development AI Product Engineer
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