Marple | Antwerp, Belgium | Full-time | Hybrid on-site + WFH

We are building software for handling huge time series from R&D in Aerospace & Automotive. Engineers use Marple to analyse data from exciting stuff such as: space rovers, eVTOL aircraft, electrical hyper cars, …

We are looking for a technical mind with a love for customers to become our head of customer success.

Reach out to Email is hidden

Uncountable | NY, SF, London & Munich (In-Person) | Full-Stack Engineering

https://www.uncountable.com/hiring/hn

Uncountable accelerates R&D for industrial scientists across leading materials, chemicals, and life sciences organizations. With our SaaS solution, our customers get better products to the market in half the time. Uncountable was founded by MIT and Stanford engineers and has been profitable since 2016. Our team has grown from 50 to 100 over the last two years.

Full-Stack Engineers | $120k - $220k + Equity

---> Uncountable is looking for engineers who can spearhead the development of the Uncountable Web Platform. The position is heavily product-driven and comes with challenges across the stack.

--> Summer internships and working student positions are also available.

Learn more: https://www.uncountable.com/hiring/hn

Uncountable is hiring in New York City, San Francisco, London, and Munich.

Contact our CTO directly at Email is hidden

Runable | Bangalore, India | On Site | Software Engineers | Full Time & Internship | runable.com

Runable is a general purpose AI agent for any task you can think of. You can create presentations, websites, docs, reports, videos, images, use over 3000+ services, control remote browsers, etc.

I’m looking for savvy people with potential to grow quickly who wants to work at a startup. If you want to take ownership, learn and be a founder in future. This is the place for you.

Shoot me an email with your github or portfolio: Email is hidden

Reffie | Multiple Roles | Toronto, Canada & Austin, Texas (ONSITE/HYBRID) | Full-time

Reffie is the next-generation workflow and data analytics platform for residential real estate owners, operators, and property managers. Antiquated software causes renting to be a painful experience for everyone involved. Our mission is to streamline rental communications and house families faster. https://reffie.me/

Our backers include some of the most well-respected early-stage VCs and investors, including Haystack, Redbud, and Trust.

Open roles:

* Full-stack Eng (all levels as long as you have the requisite exp): https://reffie.me/jobs/swe-fullstack-toronto

* Applied Machine Learning Eng (all levels as long as you have the requisite exp): https://reffie.me/jobs/swe-ml-toronto

* Growth Lead: https://reffie.me/jobs/growth-lead

Tools we use: TypeScript, React, Python, FastAPI, AWS, Docker, Lambda, Terraform, FCM, Postgres

Why us: For engineers - we are among the most interesting companies building in person in Toronto today. We bring a Silicon Valley speed to Toronto's startup ecosystem.

For growth/sales - we have been growing 18% MoM for the last 10 months straight. It's an exciting time to join.

Apply by emailing Email is hidden with role + HN in the subject line. More instructions in each job link.

Pomelo Care | San Francisco, NYC, Remote - USA ONLY with Work Authorization | Software Engineer (mid career - Staff)

Pomelo Care is a multi-disciplinary team of clinicians, engineers and problem solvers who are passionate about improving care for moms and babies. We are Series B, with some notable investors like First Round and a16z. As a member of our engineering team, you will have the opportunity to shape the product, codebase, and culture at Pomelo for years to come. On any given day, you may:

- Write clean, elegant code to build new features and keep our platform humming

- Design new systems to enable Pomelo's clinical team to deliver personalized care to an expanding patient population

- Build a great mobile experience so pregnant women and new parents feel they have a support team in their pocket

Tools we use:

- GCP, Kotlin, Typescript, React, React Native, Terraform, Spanner DB, Big Query, DuckDB, Dagster, DBT, K8s

Personally, I've never had so much fun and learned so much at work. This team is phenomenal, so I recommend applying if you're looking to learn a lot and make a big impact in an important space.

Learn more here: https://www.pomelocare.com/careers

HIFI Labs (https://hifilabs.co) | Remote | Senior Fullstack Engineer / Engineering Manager

Join HIFI Labs and work on innovative projects with well known and iconic musicians. Past artist activations include Linkin Park, Jisoo / Zayn,Rüfüs Du Sol, Dua Lipa, and Mike Shinoda. We're looking for a Senior Fullstack Engineer passionate about design, user interactions, and privacy.

You'll work with TypeScript, React/Next.js, Firebase and explore new frameworks like Astro. Experience with Styled Components, continuous deployment and devops is a plus. We also play around with React Native / Expo.

Sound like a fit? Email us at pierre at hifilabs dot co

Normal Computing | Multiple Roles | New York, San Francisco, London, Copenhagen | ONSITE/HYBRID | Full-time | normalcomputing.ai

Normal Computing is building a new thermodynamic computing paradigm to revolutionize AI reasoning and reliability. We're bridging AI to the world's most sensitive industrial and manufacturing applications, starting with semiconductors.

Funded by top-tier VCs, we're shipping real solutions to customers weekly while pushing the boundaries of AI for hardware. Tech stack: Python, TypeScript, React, AWS, Kubernetes, Terraform, PyTorch, Hugging Face

Open roles:

Full Stack Engineer - Build performant web applications for semiconductor companies. Design visualization tools, diagnostic assistants, and test version control systems. 4-7 years experience, expert in TypeScript/React, backend experience in Python. Bonus: semiconductor industry experience, LLMs, visual design.

AI Engineer - Build production systems that understand chip design specifications and generate code. Ship improvements weekly using LLMs, reinforcement learning, and agentic workflows. Experience with production AI systems, document understanding, PyTorch, prompt engineering. Bonus: mission-critical deployments, RLHF/RLAIF, program synthesis.

Sr DevOps Engineer - Design and operate cloud infrastructure for AI products in semiconductor environments. 5+ years DevOps/SRE experience, AWS, Kubernetes, Terraform, CI/CD pipelines. Bonus: highly-regulated environments, Python/Go, Ansible, ML infrastructure.

Physical Design Engineer - Lead SOC implementation from floorplanning to tape-out for our novel thermodynamic computing architectures. Experience with SOC implementation, Synthesis/PNR/STA, Verilog, physical verification. Bonus: Cadence tools, asynchronous logic, startup experience.

Apply: Email is hidden with role + HN in subject line

Is 4DWW not a tag we want to normalize?

Whoever posts this post monthly, could you please include the text after `REMOTE` referring to Four Day Work Week?

I know not many employers are currently offering it, but we're talking about a comma and four letters added to the text - not much of a cost to anyone.

Sitch App | Founding Product Manager | NYC-area HYBRID (2-3 days/week in NYC near Union Square) | Full-time

Sitch is a new type of concierge dating app. We're using AI + Humans to ask you questions, get to know you, then help you find love.

We're an AI powered concierge matchmaker for serious daters. Sitch is live in 5 cities and expanding nationally in 2026.

We're philosophically opposed to the dopamine-fueled mini-game doomswiping of 'traditional' dating apps which cynically monetizes desperation. We're monetizing intent!

* We're top-tier VC funded (a16z Speedrun, M13, early Snap angels) * Looking for a PM who loves building for consumers, loves relationships, is a bit unusual, and is obsessed with building unique experiences only made possible with the new era of LLMs

* 2-3 days/week in person, in Manhattan near Union Square

Site is at https://joinsitch.com, and feel free to send me (Chad) and Dini (co-founder) a note at Email is hidden

Carefeed | Senior Software Engineer and Senior Data Engineer | Chicago, IL

Carefeed makes software that makes it easier to operate senior centers. Our mission is to help make residents, family members and staff happier. Thousands of communities across the US and Canada already use our tools, and we're growing quickly.

We're looking for a Software Engineer and a first Data Engineer to join our Chicago office. Our engineering team is small -- less than 20 people -- so there's a huge opportunity to have an impact. These roles are in person 3-4 days a week in our office at Wacker and Wells in downtown Chicago.

Senior SWE: https://job-boards.greenhouse.io/carefeed/jobs/4972304008 Senior Data Engineer: https://job-boards.greenhouse.io/carefeed/jobs/4961308008