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

Spice Data (S19) | San Francisco, CA | Full-time

We collect and license data about the food industry to large restaurants, CPGs, and consultants

Profitable, tiny team, growing quickly, not raising VC

Hiring new grads for junior SWE and junior Product Associate:

https://www.ycombinator.com/companies/spice-data/jobs/wccsim...

https://www.ycombinator.com/companies/spice-data/jobs/rjz1pe...

Plural | Remote (U.S. Time Zones) | Machine Learning Engineer | Full-Time Contractor | https://pluralpolicy.com/

Plural is a legislative intelligence company that seeks to make democracy more transparent and accessible through a SaaS-based web application, a FOSS suite of legislative data tools, and a growing portfolio of AI-driven tools and agents. We help policy professionals understand and take action on complex legislative documents using LLMs and house-trained ML models, and we are seeking a Machine Learning Engineer to help us design and develop these tools.

https://pluralpolicy.com/wp-content/uploads/2025/07/job_-pyt...

Range | Mclean, Virginia - On-site | Full Stack Engineers (Senior/Staff/Principal) | Full-time https://www.range.com/public/careers

We're building the first AI wealth platform and hiring full stack engineers to partner closely with our co-founders and engineering leadership. We're a Series B company with 70 people all passionate about making wealth management better, faster, for every household. We're open to relocating candidates. Email me (tyler at range dot com) if you're interested to learn more.

Stack: Nodejs, Graphql, React, Typescript, AWS Comp: $150 - 250k base + equity