reMarkable | Full-time | London, UK | Onsite, hybrid |

reMarkable (https://remarkable.com/) creates hardware and software products that help people all over the world to think better and finding focus in a world full of distractions. All of our technology is designed and developed in-house making you an important contributor to the development of our future products.

Description: We’re looking for a senior embedded linux engineer who will develop and maintain our Linux kernel, boot loader and BSP powering our innovative products. You will also work with bring-up of new electrical devices and prototypes integrating them into our embedded environment.

Please read more about this opportunity and apply if you find this interesting:(https://jobs.remarkable.com/jobs/5030355-senior-embedded-lin...)

Arenko (energy transition/batteries) | London, UK | 2x/week in office

We work on industrial/grid-scale batteries and other renewable generation: monitoring, managing and trading them on multiple energy markets. Batteries like these: https://en.wikipedia.org/wiki/battery_energy_storage_system Everyone starting from the C-suite is passionate about addressing climate change and transitioning to renewable energy!

We're a small team of 7 backend engineers atm (other teams have FE and DS roles). We have paying customers and have been around for a while. Our current goal is to make the platform more scalable and move to new markets. The biggest challenge is understanding how the various energy markets and energy storage in general work and then translating that to reliable working software.

We're currently looking for a Senior Backend Engineer (Go) and a Senior Data Scientist. Our office is in London Blackfriars and most engineers come in about 2 days a week, but this is flexible.

Feel free to message me any questions or apply directly:

https://arenko.group/careers/

https://arenko.bamboohr.com/careers?source=hn

PropRise (YC S23) | Founding Engineer (Backend+Data) | San Francisco, CA | ONSITE | Full-time | https://proprise.io

Millions of messy unstructured real estate data points. Thousands of edge cases. One mission to make it all sing. We're building the infrastructure to turn chaotic real estate data into precise location intelligence - backed by Y Combinator, General Catalyst, MetaProp, and Singularity Capital.

At PropRise, we're using AI to analyze millions of real estate data points daily—uncovering hidden deals even smart money miss. We are making unstructured and messy real estate data usable to help institutional real estate teams spot their next multi-million dollar location.

We're looking for an ambitious, data-driven engineer who's excited about building systems that will reshape how commercial real estate deals are sourced and analyzed.Our tech stack leverages TypeScript, Next.js, React, PostgreSQL, and GCP to handle large-scale data processing and analysis.

Founding Engineer (Backend) - $120K-180K + 0.50-1.50% equity:

Apply at: https://www.ycombinator.com/companies/proprise/jobs/pfuzcxc-...

ThreatMark | Security, Machine Learning | REMOTE(World) / Brno, Czech Republic | Equity

ThreatMark protects >50M end users from finacial fraud and saves > $100M every year in losses. We are working with top banks in EU and US to protect their end users. We develop large-behavioral models that recognizes returning users by their mouse movements, keystroke timings and sensoric data (accelerometer, gyroscope). We detect cyberthreats (e.g. malware, phishing, scraping) by exploiting browsers/sandboxes of devices. We manage ~PB scale of data and provide realtime scoring in milliseconds driving authentication/authorization flow (2nd factor).

Stack: [python, typescript, rust], [redis, postgresql], [aws, terraform] ...

We are looking for exceptional engineers to join our team and be part of the success: - Principal Software Engineer (experience with petascale, distributed systems, low tail latencies)

- Senior Data Engineer (datalake, ETL pipelines, pyspark...)

- QE Engineer (pipelines, automated release, chaos engineering, network harness...)

- Engineering Team Lead ...

If you are interested, please email us @ Email is hidden with subject "HN Who's Hiring" If you don't find the right role at https://www.threatmark.com/careers/, write us anyway if you believe you can be good fit :)

Krystof Hilar, Co-Founder & CTO

PermitFlow (YC W22) | Staff, Fullstack & Frontend Software Engineers | New York, NY | ONSITE & Remote | Full-time | https://permitflow.com

PermitFlow’s mission is to streamline and simplify construction permitting in the $1.6 trillion United States construction market. Our software reduces time to permit, supporting permitting end-to-end including permit research, application preparation, submission, and monitoring.

We’ve raised a $31m Series A led by Kleiner Perkins with participation from Initialized Capital, Y Combinator, Felicis Ventures, Altos Ventures, and the founders and executives from Zillow, PlanGrid, Thumbtack, Bluebeam, Uber, Procore, and more.

Permitting is a challenging yet interesting problem; thousands of municipalities across the United States have their own processes and requirements - many which are continually updating. Software, AI, and LLMs provide an exciting opportunity for us to reason at scale and distill a nuanced and localized permitting process into a standard and streamlined experience for our customers.

We're looking for customer-obsessed, ambitious, and hard-working teammates who are excited about solving a real-world problem with technology at its helm.

NYC Onsite Roles | apply at: https://jobs.ashbyhq.com/permitflow?departmentid=d33195eb-89...

1. Staff Software Engineer - $200K-275K + equity

2. Fullstack Software Engineer - $125-240K + equity

3. Senior Frontend Engineer - $125K-240K + equity

https://permitflow.com/hiring

Freeform (http://freeform.co ) | Software Engineers | Full-time | Onsite | Los Angeles, CA

Freeform is deploying metal 3D printing factories at global scale and setting a new frontier in manufacturing. With AI, GPUs, and FPGAs working in tandem, our system monitors and corrects every microsecond of the process, delivering a level of precision, speed, and quality that’s never been possible—until now. This isn’t just an improvement; it’s a leap forward in how complex metal parts are made, with the ability to revolutionize industries like aerospace, defense, automotive, energy, and beyond. We are backed by top VCs including NVIDIA’s NVentures, Founders Fund, and Threshold Ventures.

It’s a small, tight-knit team and you’d have the opportunity to own significant and impactful greenfield projects throughout the entire development lifecycle and much more. Our software team comes from the likes of Google, SpaceX, and Apple, and believe in taking a first principles approach to solving hard problems.

A glimpse into our software landscape - https://youtu.be/nfwqarukd5i?si=mp17qdkbxvf8qpzn

Our feature in TechCrunch! https://techcrunch.com/2024/10/22/ex-spacex-engineers-land-1...

+ Senior Software Engineer (C++) - https://grnh.se/ee712bfc3us

+ Senior Software Engineer (Rust) - https://grnh.se/69301cad3us

+ Software Engineer (C++) - https://grnh.se/d17046ef3us

+ Software Engineer (Rust) - https://grnh.se/35e1b8e33us

Monadical.com | Senior AI/ML engineer |Senior Full-Stack Engineer |Full-Time Montreal | REMOTE (Canada)

We're a consultancy committed to building software that outlasts us. We work on a wide variety of interesting projects, including building unified data formats for neuroscience labs to share data sets, developing custom medical software for doctors, creating a brand-new MOBA game, and developing platforms for real estate agencies, crypto, and more. We're looking to hire people, who are driven and want to play a lead role in growing an exciting company. Our goal is to be a workplace with a strong focus on learning, where client projects provide a base of capital for us to all work on dream projects of our own. We have an inclusive, transparent culture with a public company principles handbook.

We’re seeking: - Senior AI/ML engineer (Canada) with a strong background in designing, implementing, and optimizing machine learning models.

- Senior Full-Stack developers strong at Python and/or JS, with experience in client relations, project management, and UX. Experience with AI, ML, and mobile development is a plus.

See the full description and apply here: https://careers.monadical.com/

If you have any questions, drop us an email at apply at monadical dot com

Some perks of working with us include:

• Work from home (we’re fully remote!) • Flexible working hours • Six weeks of paid vacation • Competitive salary • Strong culture emphasis on individual autonomy and impact on company direction

Notion (Editor) | Full-Time | NYC or SF | 2x/week in office

We're looking for a fullstack eng (if you lean FE/BE that's cool) who is interested in working on the product OR foundational layer of Notion's editor. You'll have a lot of opportunities to build expertise and ownership, and work on some of Notion's business critical projects (ask engineers working on Performance, Offline, CRDT, Editor quality, and AI editing).

Why does our team exist?

• We're here to build the best editor in the world. In 2025 we're focused on building an editor that's fast, collaborative, and offline

• We're also on a mission to build a healthy, fun, and collaborative team culture (ask us about karaoke, matcha, or our top spots in Japan)

• We own surfaces like CRDT, contentEditable, snapshot pipeline, slash menu, table blocks, etc.

Please feel free to reach out to me (Email is hidden) if you're interested! If you'd like to learn about culture and day in the life, anybody in the Editor team would be happy to chat with you. You can find more about us on https://www.notion.com/careers.

ARound (web-based augmented reality for sports) | Cloud Developer | Remote (UTC -8/-7/-6/-5) | Contract, Contract-to-hire or Full-time options)

Full stack web development in support of web-based augmented reality experiences and games for mobile devices. API integration and development. Management of cloud infrastructure and services.

JavaScript, TypeScript, Rust, Node, Deno, Databases, APIs, Cloud infrastructure management

Strong interest in sports is ideal (although fandom is optional)

I'm the hiring manager, no intermediaries. I'm not interested in hearing from outsourcing agencies or recruiters. Candidates only, please. Thank you. : )

Email is hidden

DeployHQ | Ruby on Rails Developer | Full Remote (Europe)

DeployHQ is the star player in our portfolio at saas.group, bringing unparalleled efficiency to code deployment! With DeployHQ on your side, deploying code has never been easier!

Job description and applications: https://job-boards.eu.greenhouse.io/saasgroup/jobs/451882710...