Nomi.ai | Senior Machine Learning Engineer | Remote (Global) | Full-time | $150k–$250k + equity

At Nomi, we're building AI companions that form deeply meaningful, humanlike relationships and immersive roleplaying experiences. With over a million users growing at ~10% month-over-month, your work directly impacts millions of lives. Our users tell us we've helped them find self-worth, leave unhealthy relationships, try therapy, and even save their lives. See countless real user testimonials here: https://nomi.ai/spotlight/ and our recent news coverage here https://www.cnbc.com/2025/08/01/human-ai-relationships-love-...

As an ML Engineer or Senior ML Engineer, you'll lead innovation in large language model (LLM) post-training, retrieval augmented generation (RAG), and agentic capabilities, directly shaping how users connect with our AI.

We offer:

* Full autonomy to experiment and deploy cutting-edge ML techniques * A fully remote, async culture emphasizing results over meetings * International team with visa sponsorship available * For US employees: 401k (100% match up to 5%), fully covered health insurance, equity Great to haves:

* Extensive hands on experience with things such as multinode training, rlhf, knowledge distillation, test time compute, rag * Up to date with SOTA in LLM post training (would love to hear what research paper you think is or would be most impactful for our roadmap!) * Genuine passion for our product, finds the idea of engaging with our community on Discord/Reddit to be a pro (it is a very different experience than developing enterprise software!) * A high internal bar for excellence and relentless drive To apply, email Email is hidden with HN in the subject line.

Rad AI | Remote US, CAN (+ Office in SF) Empowering physicians with best-in-class AI radiology solutions to save time, reduce burnout, and improve patient care. Series C with tremendous momentum.

High-priority technical roles in ML+Speech, Senior Security Engineer, Application + Cloud, and lots of need for full-stack product engineering

Unique Business Operations & Strategic Initiatives Lead role for the Office of the CEO, reporting to the Chief of Staff.

Apply here >> https://www.radai.com/careers?utm_source=w29wy29rlj

DMI | Principal Full Stack Engineer | Munich, Germany | Full-time | ONSITE

DMI is a bootstrapped startup building the next-gen autonomy platform for defense & aerospace. Join us as Principal Full Stack Engineer to own and shape our product with the CTO.

You'll:

* Build high-performance frontends (Next.js, React, TypeScript)

* Integrate full-stack systems (FastAPI, Python, Rust)

* Optimize CI/CD and DevOps

* Mentor engineers and drive best practices

* Work directly with the CTO to shape product and technical strategy

You have:

* 5+ years building production software (3+ years frontend)

* Deep experience with our stack

* Strong DevOps/testing mindset

* Bonus: Real-time simulation, 3D/geospatial, or defense experience.

Why DMI?

* Product ownership, ESOP (employee stock option)

* A small, expert, high-impact team

* Great Munich office (simulator, BBQ, mountain views), mobility benefits, health and fitness benefits

Other software/ML roles open, just email me.

Interested?

Reach out directly to me (Pau): pgs(a)datamachineintelligence.eu

E2B | SF (US) or Prague (CZ), both on-site | [AI | Platform | Systems | Distributed Systems | Customer] Engineer/DevRel Engineer/Head of Engineering | https://e2b.dev/careers

E2B is an open-source infra devtool that gives AI agents cloud computers that we call sandboxes.

We're Series A startup with 7+ figures revenue. We've raised over $32M and have customers like Perplexity, Hugging Face, Manus, or Groq. We're growing double digits (sometimes triple digits) every month, have 5+ years of runway, and a full roadmap of exciting features to build.

I'd love to chat if you want to help us with some of the scaling challenges, DX, or new products!

Feel free to send me your projects to Email is hidden.

London, Newcastle and North UK | Remote (UK) with occasional travel | Full-time | https://www.literal-labs.ai

Hi are you based in the UK? We are looking for Junior, Mid to Senior Full Stack Engineers.

This is Leon, the CTO at Literal Labs. At Literal Labs, we build state of the art Machine Learning algorithms for the Edge and other targets that go brrr, and are looking for talented engineers to help us build web training tools to put these models in the hands of users.

Our mission is to create models that have a light touch on the environment, and that work for all.

This role is remote, though the right to work for a UK-registered company is required. Read here for more about how we work:

https://www.literal-labs.ai/careers/

And here more generally about some of the the company's technologies:

https://www.literal-labs.ai/tsetlin-machines/

But we are building out other techniques too!

Please email Email is hidden with the subject HN, and please cc me in too (Email is hidden). Thanks!

Windmill.dev (YC S22) | Software Engineers | Paris (ONSITE 3d/wk) | Full-time

Fastest open-source workflow engine built in Rust + Svelte. 300+ Enterprise customers. Profitable with a lean team of 9 engineers.

Looking for new cracked software engineers to join us in Paris.

https://www.ycombinator.com/companies/windmill/jobs

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 @ Email is hidden

Close | Full-Time | 100% Remote - US Based

* Sr. Backend Engineer (Python)

* Site Reliability Engineer

* Sr. Machine Learning Engineer

Close is a bootstrapped, profitable, 100% remote, ~100 person team of thoughtful individuals who prioritize taking ownership and making a meaningful impact. We’re eager to make a product (Sales CRM Software) our customers fall in love with over and over again.

We’re looking for high achieving, full-time Software Engineers to join our team. Folks who have a good understanding of web technologies and want to help design, implement, launch, and scale major systems and user-facing features.

https://www.close.com/careers

Lumion (lumion.ai) - Formerly Mia Share | REMOTE (US/Canada) | Senior Software Engineer – PHP/Laravel

Apply: https://jobs.polymer.co/mia-share/35339

We are a venture‑backed startup ($10.7 M seed from TTV Capital and Tusk Ventures) building the all‑in‑one operating system for trade and technical schools. Our platform covers student enrollment, tuition payments, SIS, reporting and alumni tracking, helping schools in fields like healthcare, construction and transportation serve more students.

You will own feature development and scaling across a modern Laravel 12 + PHP 8 stack, using Filament and Livewire/Alpine.js for interactive UIs and Pest for testing. Expect hands‑on work with REST APIs, payment workflows, performance tuning and architecture decisions in a fast shipping, highly collaborative remote team. We look for self‑directed engineers who care about code quality and are motivated by our mission to expand skilled education.

Sound interesting? Read the full description and apply at the link above.

Syncari | Remote (US only) | Full-time | Director, Solutions Engineering

We are an all-in-one modern data integration, management, workflow and analytics platform.

VC funded, small team. Hiring for Director, Solutions Engineering team, to run our onboarding, implementation including PS and support functions.

Apply: https://www.linkedin.com/jobs/view/4276895381/

Comp: $175k base + bonus + equity + 95% healthcare contribution (medical+dental+vision and some life insurance)

We don't sponsor visas at the moment