40GRID - Full-time Remote | Senior React Native Mobile | Senior Python Django Our mission is to empower field-service companies to grow by modernizing and automating their business operations. Every company we work with has unrealized potentials — our task is to build the platform that empowers growth and helps them unlock opportunities.

Email: Email is hidden (no recruiters or agencies, please put HN in subject line, thanks).

Tech: React Native

AllSpice | https://allspice.io/ | Boston, MA / SF Hybrid or Remote | Full time (US timezones) | Mid/Sr./Principal/Staff | Golang, Vuejs, Rust

At AllSpice, we're building the future of hardware development and collaboration, applying modern software design principles to the hardware industry with design review, automated test, and Gen AI (think GitHub/Bitbucket for hardware). AllSpice is unlocking the next generation of smart vehicles, IOT devices, rockets, medical devices, robotics, and much more.

Read more about our latest Series A announcement in TechCrunch (https://techcrunch.com/2025/06/23/allspices-platform-is-the-...)!

We have a highly capable, tight-knit, remote-first team with a flex office in Somerville, MA and SF. We strongly value continuous communication and personal development. See more on our careers page https://allspice.io/careers

We’re hiring primarily for:

Sr./Principal Product Manager (Platform) - You'll lead our core product platform user experience, with new ECAD file integrations, collaboration features, and improved onboarding experience for git. You should have some experience in the hardware design process and git. https://jobs.ashbyhq.com/allspice/4d547ef4-e8c5-47c1-861d-15...

Sr./Principal Product Manager (Actions) - You'll lead Actions, our "dev-ops-for-hardware" product, improving the user experience for building automations for circuit designs, like BOM generation, linting (DFM, DVT), document generation (eg. https://github.com/wireviz/wireviz). You must have some experience in the hardware design process and git. https://jobs.ashbyhq.com/allspice/a52f87af-71e3-474c-9841-b6...

Sr/Principal SW parsing (rust) - Systems programming experience required. You'll be responsible for helping develop our ECAD schema and convert between file formats efficiently. This role can flex to be pretty senior if you have more experience than is listed. https://jobs.ashbyhq.com/allspice/5c889644-642a-468e-8289-3f...

Lead/Principal Infrastructure Engineer - You are passionate about optimizing infrastructure at scale and have a strong background in security engineering, terraform, ansible, AWS, linux system administration, and infrastructure automation. In this role, you will be responsible for working with company leadership to build our infrastructure roadmap and team, as well as executing tasks (80/20 individual contributor work to management, with greater management opportunity available as the team grows). https://jobs.ashbyhq.com/allspice/99ded9f3-4de0-420e-bedb-50...

Tech Stack: Docker, Terraform, GoLang, Rust, Python, Vue, Typescript

Please include any relevant open-source projects or portfolio in your application.

Never hear anything from Brilliant, applied multiple times. Don't even know if someone (A.I) is even reading it.

RentSpree | $185k-265k | Hybrid 2x/week | Seattle | Full-Stack / Frontend | Full-time

RentSpree is a series B startup simplifying every step of the rental process—from applications and tenant screening to payments and lease management. Our mission is to create a seamless, transparent experience that saves time, boosts earnings, and builds trust between agents, landlords, and renters.

I'm the hiring manager for most of these roles. Come help us build greenfield products for agents and for our embedded finance platform for rental property owners.

Staff Software Engineer, $200k-220k base, https://ats.rippling.com/rentspree/jobs/4ae81c52-a5f0-4096-8...

Senior Software Engineer (Frontend/full-stack), $185k-205k base https://ats.rippling.com/rentspree/jobs/1051b7fc-6e82-4d8b-b...

Senior Engineering Manager, 230k-265k base, https://ats.rippling.com/rentspree/jobs/970fea74-c6b5-485a-9...

We're in downtown Seattle and are typically in the office twice a week, and still flexible on top of that. We typically use node, TypeScript, React, Mongo, and Kotlin.

Oneleet (YC S22) | Multiple Roles | US & NATO Countries | Remote | Full-time

Oneleet is an all-in-one cybersecurity startup that has built its own Attack Surface Monitoring (ASM), Code Scanner, Device Monitoring, and Compliance Platform. We are growing at an unprecedented pace and working on some very exciting projects.

What we're looking for:

Strong problem solvers who can work independently in a remote environment - Security-minded professionals passionate about building robust, scalable systems - Comfortable working during Eastern Time

Tech stack: Go, TypeScript, React, Kubernetes

Open roles:

* Software Engineer, Backend

* Software Engineer, Cloud Security Posture Management

* Application Software Engineer, Endpoint Security

* Security Program Manager (EU Timezone)

* Technical Sales (must have background in Computer Science or Cybersecurity)

* Invoicing Coordinator

We offer:

- Competitive salary - Equity in a fast growing cybersecurity startup - 100% remote work - Company offsites every quarter (past offsites have been in The Netherlands and Italy)

If you're interested in joining our team, please reach out to samuel<at>oneleet<dot>com with the subject line "HN: <Job Title>".

Alternatively, you can also apply at https://www.ycombinator.com/companies/oneleet/jobs

Radar Labs | Software Engineers (SRE, data platform, backend, full-stack, mobile) | Remote (US), NYC | Full Time | https://radar.com

- Radar Labs is the geo-location dev tool. - Doing 1B+ API calls per day - Our main languages are Rust and TypeScript, we also use mobile and offline pipeline languages (Python, Scala, and Terraform).

- We're based in NYC with our HQ in Union Square and remote friendly (US).

Interesting things we're working on:

- HorizonDB, our Geospatial database written in Rust

- Precise indoor location more accurate than iOS and Android leveraging Ultra-Wideband and other sensors and ML.

- Extracting raw map data from satellite maps and the web leveraging ML and AI

- Anomaly detection to identify spoofed locations

- Mobile infrastructure that automatically configures itself optimizing battery-life and location accuracy for different use-cases over time

- Multi-Region AWS K8s deployment, 99.99%+ availability

- Frontend tools to visualize and debug location data at scale

Check out our jobs page here: https://radar.com/jobs#jobs If you have any questions, feel free to reply here or you can e-mail me at Email is hidden

Humaans (YC W21) | Engineering Leads, Senior Full-Stack Engineers | London (Hybrid, 3 days/week) | Full-time | https://humaans.io/

Hello! Co-founder of Humaans here. We’re building a best in class HR platform that automates people operations end-to-end for globally scaling companies.

What you’ll work on:

* Agentic AI for end to end automation and AI functionality all over the product

* Modern client rich UIs including workflow builders, drag-and-drop task managers, collaborative spreadsheets

* Realtime systems via WebSockets, Feathers.js, zero sync engine

* Scaling our data and AI architecture to fly for customers with 1,000s of employees

Why we like it here:

* Quality-first culture - design, performance, and DX matter

* Small, senior team with ownership from product definition to release

* Backed by great partners (YC and execs from Slack, Shopify, Figma, LinkedIn, Stripe, Intercom, Notion, etc.)

Our stack:

* TypeScript, React, Node.js, Postgres, Redis

* Monorepo with Turborepo, pnpm, GitHub Actions, Kube and CloudRun on GCP

Apply here: https://jobs.ashbyhq.com/humaans?utm_source=7nngnerwlp

eventfirst | Senior Full-Stack Engineer | Berlin, Germany | REMOTE (CET) | Full-time

We are applying AI to organize corporate events.

We are looking for a senior engineer with at least five years of full stack experience, a strong focus on product and UX, and optionally some experience building LLM based products. Currently we are focussed on building tooling that enables us to capture domain knowledge from experts to streamline prompt creation and evaluation. Our tech stack is Typescript, React, Next.js and Tailwind. On the backend we use Drizzle with Neon, deployed and monitored via Vercel. We have pre-seed funding from a major US VC and are experienced founders. You’ll be working alongside the founders (ex-Apple, ex-Airbnb, ex-Tulip, ex-Tourlane) and will have a chance to shape the company, product and of course the engineering culture.

Apply here: https://taskwise.jobs.personio.com/job/1646275

Please everyone, mention if you are open to out-of-region applicants, and which regions. ;-)

Count | Senior Software Engineer | REMOTE within UK/Europe | Full-time | https://count.co | £100-140k + Equity

Count is like Jupyter, Tableau and Miro combined in one tool. Some of the world's leading data teams use it for everything from iterating data models and performing in-depth analyses to creating process flow maps of their entire business.

We're a small team looking for experienced software engineers who are interested in tackling deep technical challenges in the data analytics space.

For the best possible user experience, we have developed various technologies in-house, including a custom WebGL rendering engine, our own data visualization library, and a reactive SQL/Python notebook and database query framework.

Example projects: leveraging agentic workflows in data exploration, accelerating rendering using quadtree tiling, extending interactivity and customizability of visualizations, developing serverless frameworks for executing database queries at high concurrency.

Our tech stack: TypeScript, Python, Node, WebAssembly, WebGL, Apache Arrow/Parquet, DuckDB, Kubernetes, React.

For more details and to apply: https://jobs.ashbyhq.com/count