Rocketable (YC W25) | Founding Engineer - Automation Platform | Onsite (San Francisco or Marin County) | $200K-$250K | 1-4%

Rocketable acquires profitable SaaS companies and transforms them into fully autonomous systems. No human operators. No engineering team shipping features. No support staff answering tickets. Just AI running the entire business.

This sounds crazy to most people, but we think the trajectory is obvious. If we're right, you'll have built the infrastructure that runs a new kind of company.

Interested? More info & application here: https://www.ycombinator.com/companies/rocketable/jobs/cargzm...

Paperless Post |NYC/Hybrid or REMOTE(US ONLY)|

Hi! We’re Paperless Post, and we help people celebrate moments that matter with our customizable, design-forward digital invitations. The PP Engineering team, a highly collaborative group of developers and technologists, is charged with building and refining a consumer-facing product that millions of people interact with each month. Our individual feature teams each focus on a unique piece of the user experience and are made up of engineers, product managers, QA, and product designers. Our open roles are below:

1. Senior Fullstack Software Engineer, Revenue Growth| Full-Time| React, GraphQL, Golang

2. Software Development Engineer in Test| Full-time| Javascript/Typescript, Playwright, Cypress, Jest, React Testing Library

3. Senior Analytics Engineer| Full-time| SQL & Python

4. Software Engineer, Front End| Full-time| React Native

We offer: competitive compensation + equity + generous PTO/Sick leave + medical benefits + remote-friendly + more!

If you are interested, please apply here: https://www.paperlesspost.com/about/careers/ and shoot me (Briana, Sr talent acquisition lead) an email at: Email is hidden

Hudson River Trading (HRT) | Experienced Software Engineer — Systems | Hybrid (NYC / US offices, London, Singapore) | $150k–$250k + bonus

We’re hiring an experienced engineer to help build and evolve the platform that powers HRT’s global infrastructure.

You’ll work in Python on automation, provisioning, monitoring, and network tooling across thousands of Linux machines. Strong Python and Linux/UNIX fundamentals are required; experience with Debian, networking, or CI/CD is a plus.

Share your info here: https://www.gem.com/form?formid=65d1b5ca-e5d1-4f4c-a782-ba0f...

Layer Health | https://www.layerhealth.com/ Our engineering team: https://www.linkedin.com/company/layerhealth/people/ Location: BOSTON (Boston Common) or NYC (downtown) - hybrid in both locations; <<NO REMOTE>> Headcount: ~34, hiring ~2 per month

Stack:React / Typescript / Python / GCP

Open Roles (all roles require a MINIMUM of 6 years of work experience): Fullsack Engineer (Senior) Python/React/Typescript * ML Infrastructure (Staff+) * Data Infra Lead/Engineer * ML/Research Scientist (PhD's) * MLE's (looking for CS/engineering background ideally) * Security Engineer

We Offer: * competitive base salary + equity + great health/medical benefits * unlimited PTO * collaborative engineering-first culture

Layer Health was founded in 2023 by leading machine learning researchers from MIT and Harvard Medical School. We are building an AI layer that can accurately and scalably synthesize information from medical records, with the mission to reduce friction everywhere in healthcare. Our LLM-powered platform is solving chart review once and for all, across use cases. For health systems, our first product dramatically accelerates clinical registry abstraction in areas ranging from surgery and cardiology, to oncology. Our long term vision is for our AI layer to safely transform patient care and minimize unnecessary heartbreak. Layer Health’s diverse founding team brings expertise across machine learning, UI/UX, large language models, and medicine.

Email me at Email is hidden for more info!

Saypien | Berlin, Germany | REMOTE (Europe) | Full-time

We're building an AI-native SaaS platform that helps companies extracting actionable insights from data in real-time. Think of it as an architectural intelligence layer that ingests heterogeneous data, learns your business context, and delivers decision-ready guidance.

Tech stack: Next.js, React, TypeScript, PostgreSQL, Redis.

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Hiring for two roles:

Software Engineer (Full Stack) - €60-157k (incl. Bonus) | Equity

You'll build and optimize our web platform end-to-end, work closely with AI, Product, and Design. Strong Node.js, PostgreSQL, React/Next.js. Experience with LLM integrations is a plus.

AI Product Engineer (Full Stack) - €70-169k (incl. Bonus) | Equity

More senior role bridging product and engineering. End-to-end feature ownership, customer feedback integration, shaping product direction while shipping production code.

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Small team, real customers, fast iteration cycles, shipping.

Apply: https://work-at-saypien.jobs.personio.com

Elide: It’s like node but reimagined on top of GraalVM.

High performance, polyglot, AI-native runtime. We are in San Francisco, but work remote. Kotlin and Rust.

https://elide.dev

Parseur | Front-end dev with design appetite | REMOTE [GMT:GMT+6]

Parseur is a B2B Saas that automates document-processing workflows.

We are a 100% office-less, fully remote team of 5 looking for the 6th full-time (or 80%) team member.

We're looking for an excellent front-end dev who ideally knows React. And it would be nice if you could also design and know your way around CSS.

More info here: https://parseur.com/jobs

Coder | https://coder.com/ | Multiple roles | Multiple locations | Full-time

Coder is an AI software development company leading the future of autonomous coding. We empower teams to build software faster, more securely, and at scale through the collaboration of AI coding agents and human developers. Our mission is to make agentic AI a safe, trusted, and integral part of every software development lifecycle.

Coder’s self-hosted Cloud Development Environment (CDE) is the foundation for deploying agentic AI in the enterprise. It provides a secure, standardized, and governed workspace to deploy autonomous coding agents alongside human developers, accelerating innovation while maintaining control and compliance. Coder's isolated, policy-driven environments improve productivity, cut cloud costs, and reduce data risks. Developers transition to AI at their own pace using their own tools. Platform and security teams can govern, audit, and manage a great developer experience at scale.

We passed 100k stars on GitHub! https://github.com/coder

All positions are fully remote in the countries listed unless otherwise specified.

[1] Software Engineer, AI tools (US/Canada)

[2] Senior Software Engineer, AI Tools (US/Canada)

[3] Staff Software Engineer, front-end TypeScript/React (US/Canada)

[4] Security Engineer, DevSecOps (UK/Ireland/Poland)

[5] Senior Product Designer (US)

And more! Apply here + job descriptions, salary bands: https://coder.com/careers?utm_source=o2n5ew72wd

Not all of our jobs are listed here. Please note that you must submit an application to be considered for any of our positions. If you have any questions, please reach out to Email is hidden.

Atomscale | Applied AI/ML Engineer | Boston, MA (Hybrid Onsite) | https://atomscale.ai

Atomscale is building AI to improve atomic-scale materials manufacturing. Our goal is to translate new materials into new technologies and products by ensuring they can actually be created at scale faster and cheaper.

This is a hard (but exciting!) challenge that involves hardware integrations, AI that understands materials data, and real-time dynamic intervention during processing.

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We're looking for an Applied AI/ML Engineer that will help:

- Develop new models to analyze materials processing data

- Improve systems for model infra & deployment

- Build data engineering pipelines to handle large amounts of multimodal data

(You don't need background in materials science)

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More details: https://www.atomscale.ai/careers/applied-ai-ml-engineer

To apply: email Email is hidden with the job title + HN

Enthought | Python Scientific Software Developers | Hybrid | Tokyo, JP www.enthought.com/careers

Enthought powers digital transformation for science. Our technology and deep scientific expertise enable faster discovery and continuous innovation. We solve complex problems for the most innovative and respected organizations across the life sciences, material sciences, chemical, and semiconductor industries.

Competitive salary, stock options