NVIDIA | Python Developer (Django) — Air (Digital Twin for Data Center Simulation) | HYBRID — [Raleigh-Durham, NC] | Full-time

NVIDIA’s Air team builds a web app that simulates real data centers for design and validation. Learn more: https://air.nvidia.com

You’ll: design/build web apps & REST APIs in Python/Django; write clean, tested code; review PRs; debug performance/security issues; partner with PM/architects; and ship scalable features used by teams running the world’s most advanced data centers.

Must have: 3+ years Python + Django; REST/async; SQL + relational DBs; Docker/QEMU; Git; agile collaboration; strong comms.

Nice to have: Kubernetes; Linux networking & SDN debugging; JavaScript/HTML/CSS; Angular.

Compensation (depends on level/location): L2 $120,000–$189,750; L3 $148,000–$235,750 + equity + benefits. Apply: [paste your ATS link for JR1999975] (or search JR1999975 at https://www.nvidia.com/en-us/about-nvidia/careers/)

You can message me on linkedin if you'd like more info or would like a referral! https://www.linkedin.com/in/sameure/

Redox OS | Remote | Rust | FOSS | Kernel Dev

Redox OS is a Unix-like general-purpose microkernel-based operating system written in Rust, aiming to be a complete alternative to Linux and BSD. It is community developed and MIT licensed.

Redox is seeking an OS/kernel developer, paid through a combination of grants and contract work. If you are a committed FOSS developer, with expertise in Rust, device drivers and performance-optimized software, we are interested in hearing from you.

This is a fully remote position. There are some geographic preferences and limitations. Check out this month's report for more details.

https://redox-os.org/news/this-month-250731/

klarasystems.com | OpenZFS Developer | REMOTE | Full-time

We successfully hired from HN in the last round and are looking for more OpenZFS Developers (4+ years of experience) to join our team!

Klara Inc. provides development & solutions focused on open source software and the community-driven development of OpenZFS and FreeBSD. We develop new features, investigate/fix bugs, and support the community of these important open source infrastructure projects. Some of our recent work includes major ZFS features such as Linux Containers support (OpenZFS 2.2: https://github.com/openzfs/zfs/pull/12263), and Fast Deduplication (OpenZFS 2.3: https://github.com/openzfs/zfs/discussions/15896).

We’re looking for an OpenZFS Developer with:

- Strong C programming skills and solid understanding of data structures - Experience with file systems, VFS, and OS internals (threading, locking, IPC, memory management) - Familiarity with ZFS internals (DMU, MOS, vdevs, ZPL, datasets, boot environments) - Ability to work across Linux, FreeBSD, or illumos environments Upstream contributions to OpenZFS or other open source projects are a big plus.

Submit an application through our site: https://klarasystems.com/careers/openzfs-developer/

NexBio Research Labs | Remote (India preferred) | ABIS Internship | https://nexbiolabs.com/hiring

We're building a high-performance Automated Biometric Identification System (ABIS) and looking for interns who enjoy systems-level work, performance tuning, and debugging real-world problems. You’ll work closely with a co-founder (me) on testing, benchmarking, and prototyping GPU-heavy components.

32+ hrs/week Paid internship Strong performers may be offered full-time roles

Stack: Python, C++, Java, Shell, CUDA, TCP/IP, Git, Linux, JS/TS (bun)

To apply: * Email hr@nexbiolabs.com * Subject: "HN Hiring: Your Name" * Include: Resume, GitHub profile, A short paragraph: "A project I'm proud of and what I learned from it"

Happy hacking!

Stellar Science | Hybrid (USA) Albuquerque NM, Washington DC (Tysons VA), Dayton OH | Full time, interns/co-ops | U.S. citizenship required | https://www.stellarscience.com

Company: We're a small scientific software development company that develops custom scientific and engineering analysis applications in domains including: space situational awareness (monitoring the locations, health and status of on-orbit satellites), image simulation, high power microwave systems, modeling and simulation, laser systems modeling, AI/ML including physics-informed neural networks (PINN), human body thermoregulation, computer vision and image processing, high performance computing (HPC), computer aided design (CAD), and more. All exciting applications and no CRUD. We emphasize high quality code and lightweight processes that free software engineers to be productive.

Experience: Other than interns, we currently require a Bachelors degree in physics, engineering, math, computer science, or a related field, plus preferably 3+ years of work experience or a Masters or PhD in lieu of work experience. (Roughly 30% of our staff have PhDs.)

Technologies: Mostly C++23, Qt 6.9, CMake, git, OpenGL, CUDA, Boost, Jenkins. Windows and Linux, msvc/gcc/clang/clangcl. AI/ML and other projects use Python, some use Java or Javascript/Typescript/React.

Apply online at https://www.stellarscience.com/careers/.

Two Six Technologies | Reverse Engineer/Vulnerability Researcher | Arlington, VA | ONSITE | Full Time |https://job-boards.greenhouse.io/twosixtechnologies/jobs/547... Two Six Technologies is seeking senior reverse engineers & vulnerability researchers to perform in-depth reverse engineering and exploit development to transition those findings into capabilities. We are looking to hire embedded security researchers with experience in the following categories: firmware reverse engineering, hardware reverse engineering, and Linux/UNIX kernel development. Additional opportunities are available for embedded software engineers, electronic design engineers, digital signal processing engineers, hardware reverse engineers, firmware reverse engineers, and low-level kernel developers looking to enter the security field. We would love to hear from you if you work in the embedded security domain. Preference is for applicants who hold a TS clearance and have the ability to obtain SCI at a minimum. If interested, please reach out to our team @ recruiting@twosixtech.com

StorPool | Senior Software Engineer, Storage Core (C/Linux) | Remote (UTC-1 to UTC+5) | Full-time

StorPool is a profitable, self-funded company building one of the fastest, most reliable distributed block storage platforms in the world. Our software powers modern clouds with latency under 100µs, up to 113M IOPS per cluster, 99.999% measured availability, and a fantastic customer NPS.

We’re looking for a Senior Software Engineer (C/Linux) to join our Core Storage team — the group behind the engine that delivers these results. You’ll work on advanced distributed systems problems: custom Linux drivers, low-level disk I/O, data replication, lock-free algorithms, and fault tolerance at scale. We’re remote-first (UTC-1 to UTC+5) and value autonomy, written communication, and a relentless drive for technical excellence.

Apply here: https://storpool.com/force/senior-software-engineer-storage-...

Zetier | Multiple US locations (VA, PA, FL, TX, CA, NY) | ONSITE | Full-Time

Zetier develops real-world tools and capabilities to secure our nation in the short- and long-term. If you’re excited to delve deep into low-level systems, exploit dev, and more alongside a group of passionate hackers, then we’d love to hear from you.

Open-sourcing our work as much as possible is integral to Zetier and what we stand for. As folks who learned to hack on platforms like Linux, we aim to give back to the OSS community. Not only do we encourage our engineers to contribute, but we go a step further, adding monetary incentives to do so.

We’re looking to find the right people for a range of roles, including:

+ Vulnerability Researcher

+ Android Security Engineer

+ CNO Embedded Engineer

+ CNO Software Engineer

+ IT Security Engineer

+ Senior Technical Lead

+ Business Developer

All open positions: https://zetier.breezy.hr/

Our approach and benefits: https://zetier.com/careers/

Different skill set? Drop us a line at hello@zetier.com

yeet | Chicago, IL / Remote | Full-Time

Building a dynamic runtime on top of the Linux BPF sub-system. Looking for extremely talented / passionate Rust developers / Product Managers with a deep interest in Linux internals, Dev Tools, Great Developer Experiences and Systems programming. Experience writing highly-concurrent, performant multi-threaded Rust is a must. Feel free to tell us all about your favorite GNU core utilities / Linux system calls / kernel sub-systems at:

work [at] yeet.cx

You can visit us at https://yeet.cx/

Or try our interactive sandbox at https://yeet.cx/play

Broadn Inc | https://www.broadn.io | Founding engineer | NYC - USA | Full-time | Onsite in NYC - US persons only | Full-stack |

Broadn works with USA manufacturers to help them accelerate the configuration, pricing and quoting process for their industrial products. Our platform handles manufacturers operating in electronic parts, pipes, packaging, aerospace, defense and metal parts.

Our ideal software developer has an incredible curiosity, experience across full development stack. We expect production environment experience, leading with curiosity, great communication skills and full ownerships over parts of the system . We need to solve problems anywhere from the CNC machine to multi-datacentre GovCloud so we look for a problem solver with solid understanding of algorithms, data structures that can write efficient minimal solutions.

This is an on-site role in NYC. We don't work with non-US Persons due to the nature of our work.

- Proficiency in TypeScript and JavaScript for backend and Front-End - this is our core tech stack

- Nodejs, typescript, javascript, bun

- any experience with any of: python, java, scala, rust, go, C#, C/C++

- AWS, GCP, AWS GovCloud, Azure

- React, Vite

- OOP, functional programming

- data structures and algorithms

- Experience with dev tooling:, bash, git, Docker, cloud infra, Linux environments, CICD

- Ability to write minimal, efficient code that solves problems elegantly

Please reach out with your resumes directly to @victor with broadn.