Posted by whoishiring 1/2/2026
Ask HN: Who is hiring? (January 2026)
Please only post if you personally are part of the hiring company—no recruiting firms or job boards. One post per company. If it isn't a household name, explain what your company does.
Please only post if you are actively filling a position and are committed to responding to applicants.
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Readers: please only email if you are personally interested in the job.
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Don't miss this other fine thread: Who wants to be hired? https://news.ycombinator.com/item?id=46466073
- Radar 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, other mobile 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 tim@radar.com
WireScreen is a fast-growing Sequoia-backed Series A startup building the go-to open source intelligence platform for navigating global supply chains and China-related risk. While China maintains some of the world’s most detailed corporate ownership records, the real challenge is connecting the dots. That’s where we come in—surfacing the networks, relationships, and financial ties behind companies to support national security, compliance, and regulatory oversight.
We’re looking for senior software engineers to build our data platform and help us ingest and model messy, unstructured data into insights and actionable intelligence. At the heart of this is a 50m+ entity knowledge-graph with 200m+ relationships represented - and we need your help to build a system that can scale this up by an order of a magnitude. Today, we mostly use Python, Postgres, Airflow and Pyspark.
If you have prior startup experience, can bring strong Python (PySpark is a big plus) experience and have previously worked with TB-scale data sets - we’d love to talk to you.
Apply here: https://jobs.ashbyhq.com/wirescreen/e9d8e7e3-c737-43ee-8c7e-...
Or you can reach out to me directly at leo.green@wirescreen.ai - I lead recruiting here at WireScreen, but if I don't know the answer I'll ping our engineering folks and come back to you fast.
Durable Objects is the Cloudflare Developer Platform's product for building stateful serverless applications.
We are hiring:
- Senior level systems engineers: https://job-boards.greenhouse.io/cloudflare/jobs/5390243
- Senior level product engineers: https://job-boards.greenhouse.io/cloudflare/jobs/7408167
- An engineering manager with systems engineering experience: https://job-boards.greenhouse.io/cloudflare/jobs/7493943
Hi Josh,
Thanks for sharing this. I’m very interested in the Senior Systems Engineer role on Durable Objects.
My background is in building and operating production distributed systems and backend services, with a strong focus on correctness, state management, failure handling, and observability. Stateful systems at scale are exactly the kind of problems I enjoy working on.
I’ll apply via the Greenhouse link, and happy to provide more context if helpful.
Best, Son Nguyen
> Please state the location and include REMOTE for remote work, REMOTE (US) or similar if the country is restricted, and ONSITE when remote work is not an option.
We have preferences in terms of where we hire, but remote work is an option depending on the individual and where they are located.
So some jobs are hybrid onsite and some are fully remote but even if i said just now that all jobs can be remote, some jobs aren’t really fully remote because I can’t envision it in my mind that they would be effective fully remote, even though I myself am fully remote.”
Did I understand what you wrote properly?
Engineers can't keep up with their production environments: dozens of services, dashboards everywhere, alerts firing. The information to diagnose most issues exists, but finding it takes longer than fixing the problem. AI generated code is making this worse.
Cleric is an AI SRE that autonomously investigates production issues and surfaces findings to engineers. It connects to your existing tools, reasons through the evidence, and tells you what's wrong. We believe engineers should ultimately be accountable in production, and our goal is to help them go much faster.
The hard part is making agents reliable when there's no single right answer. We've built evals, memory systems, and feedback loops that improve with every incident. Gartner just named us a Cool Vendor, we are well funded with years of runway, and most importantly the engineers that use our product find it very sticky.
We're hiring the following roles:
- Staff SWE, AI: Build the reasoning engine. Design evals, debug agent behavior (not just code), expand what it can handle. You've built agents and operated distributed systems at scale.
- Staff SWE, Product: Define what AI SRE should be. Spend time with engineers during incidents, find gaps, decide what to build. You've owned products and know production pain.
- Head of Marketing: Engineers love the product but we need to reach more of them. Software engineers are allergic to AI hype, and you'll need to cut through it. Technical background required.
Apply: https://jobs.ashbyhq.com/cleric Or email me: willem-hn@cleric.ai
Willem, Co-founder & CTO
Arcol (arcol.io) is a small, high talent density team building the future of building design - a future that's collaborative, fast, and intuitive. We're a web-native, fully collaborative 3d design tool modernizing the experience of architectural design for teams of all sizes.
We're looking for senior engineers with experience in modern web technologies - some of our key technical building blocks are Typescript, Rust, wasm, WebGL - and a strong ownership mindset. Experience with computational geometry, computer graphics, or similar a strong plus. This role sits at the intersection of solving deep technical foundational challenges with shipping a product that solves real problems for real people.
Reach out to me directly at thomas@arcol.io or peruse our careers page (https://www.arcol.io/careers) - we'd love to hear from you!
I'm Gio, CTO of Foundry Robotics. We're an early stage London-based startup building robotic solutions for manufacturing applications.
We have 3 open positions:
1) Tinkerer/mechanical engineer -- Help us build our robots in our lab with a mixture of design and hands-on prototyping. Experience with metal fabrication (CAD, CNC milling, turning, 3d printing, sheet metal).
2) Software/robotics engineer C++/Python -- Help us build our software with a lot of autonomy. Navigate documentation for the different components and technology options and make key decisions. Path to become a team lead. Experience in robotics is not required if you have experience in adjacent fields such as 3d graphics (game engines for example).
3) Robotics research engineer -- Be our first research hire. Experience with computer vision, NVidia Isaac or similar simulation environments. Background in reinforcement learning.
Contact: gio@foundryrobotics.co.uk (add "HN" to subject)
https://job-boards.greenhouse.io/koboldmetals/jobs/400212600...
KoBold Metals is a scientific mineral exploration and development company focused on critical minerals