Senior Design Engineer – Build and scale our design system in React Native. • Strong in React Native, TypeScript, modern component libraries • Bonus: Storybook, Framer Motion, design system expertise
Lead QA Engineer – Own automation, quality strategy, and mobile release confidence. • 5+ years in QA, 2+ leading QA or owning strategy • Experience with iOs and Android automation, Maestro/Detox/Appium
Perks: competitive salary + equity, 401k match, unlimited PTO, full benefits, yearly vacation stipend, no Monday meetings, Bitcoin starter pack.
Email tiffany.sawhney (a) foldapp.com or apply here: https://ats.rippling.com/fold-inc/jobs More: https://foldapp.com
Reimagining property management for 10M+ small landlords — no dashboards, just chat. 30+ signups and 16 landlords piloting our MVP in a few weeks.
Day Zero role: you’ll be the founding mobile engineer, co-architecting Kove’s future. Stack → React Native (Expo), Supabase, NestJS, GPT-4o-mini, serverless + caching.
MVP: lease parsing, rent reminders, maintenance triage, Q&A agents. Next: predictive + financial agents → Kove as the AI OS for landlords.
Ground-floor equity. Direct impact. Frontier AI challenges.
Reach out to parris@joinkove.com if interested.
We are consistently hiring backend engineers ranging from Senior level to Staff / Lead / Director / Principal Go engineers.
If you have experience with a different tech stack, we offer a 10-week onboarding program to train you in Go, scaling and other key topics: https://tinyurl.com/2u5x9f9w
We’re also hiring for:
* Staff Python Engineer – Open Source Video/Voice AI Library
* Senior React Native SDK Engineer
* Staff Product Designer
* WebRTC SFU Engineer
* Director of Information Security
At Stream, we use Go for our video SFU, chat API, Moderation and Feeds, serving high traffic from major apps like Strava, Nextdoor, Patreon, and Midjourney. Our tech stack: Go, CockroachDB, RocksDB, WebRTC, Raft, and Redis.
Why Join Stream?
* High scale/ difficult engineering, we have customers using our products with millions of users
* Default alive. Startup growth opportunity with healthy revenue
* All managers are hands-on and capable engineers
* Edge network of servers around the world
* Great opportunity to learn and grow
Remote: our roles are primarily NL, US, or CA-based (hybrid), but exemptions for remote work within the EU may apply to specific cases.
Visa Sponsorship: Available for the Netherlands
Apply here: https://jobs.ashbyhq.com/stream?utm_source=5rrpvObp3r
Fleming (www.fleming.de) is digitalizing financing for health professionals. We are building and maintaining a React-Native / Nestjs based bank account frontend and a Salesforce base loan sales platform with a Ruby on Rails frontend. We are looking for a well-rounded engineer. You don't have to know the technologies we are using if you bring the conceptual knowledge and the drive to learn.
Some German language knowledge is required since you are going to build German UIs
more info: https://fleming.de/jobs/
Contact jobs@fleming.de
Open roles:
- Full Stack Engineer $150k–$230k | Full-time We’re building an AI-powered clinic assistant that actually gets things done—booking appointments, managing vaccine records, handling FAQs, and even sounding like the clinic itself. This is multi-modal AI in the real world, not a demo.⸻
We’re looking for product-minded engineers who want to push the boundaries of generative AI, RAG, and intelligent automation. You’ll ship fast, solve real user problems, and help us make AI feel magical, not clunky.
Tech stack: TypeScript, NestJS, React, React Native, AWS. Bonus: AI experience, but what matters most is product intuition and the drive to build useful things.
Apply here: https://forms.gle/5fww8HDwRrP6c6Fo9
Email: jobs [at] 40grid.com (no recruiters or agencies, please put HN in subject line, thanks).
Tech: React Native
ScribbleVet is an AI-powered scribe for veterinarians. We save veterinarians two hours every day, reduce veterinary burnout and help animals get better care.
* We're generating real ($XM/yr) revenue
* Our users love the product
* We're fully remote but not asynchronous, so we have a lot of autonomy but it's easy to collaborate with someone when needed.
We're looking for:
* Senior engineers (former founders or early startup experience strongly preferred) who can work across the stack.
* Engineers with a product mindset. Customer-centricity or design skills are a plus.
Our tech stack: Postgres, Elixir (+ Ash framework), React Native/Expo, React/Nextjs
We’ve found that the engineers who are happy and successful at Scribble really enjoy technology (learning new frameworks, experimenting with cutting-edge platforms) and are very product-oriented.
If you're interested in building AI-driven features that help vets and the animals they care for, check us out here: https://excessive-grey-9af.notion.site/Senior-Full-Stack-Fro...
Fold makes Bitcoin easy through great UX and rewards. We’re building the future of Bitcoin payments and need senior engineers to help us scale.
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Senior Frontend Engineer – Work on our React Native apps, ship features and own architecture. • 5+ years exp, React Native, TypeScript, Expo • Bonus: Fold user, passion for Bitcoin
Senior Design Engineer – Build and scale our design system in React Native. • Strong in React Native, TypeScript, modern component libraries • Bonus: Storybook, Framer Motion, design system expertise
Lead QA Engineer – Own automation, quality strategy, and mobile release confidence. • 5+ years in QA, 2+ leading QA or owning strategy • Experience with iOs and Android automation, Maestro/Detox/Appium
Perks: competitive salary + equity, 401k match, unlimited PTO, full benefits, yearly vacation stipend, no Monday meetings, Bitcoin starter pack.
Email tiffany.sawhney (a) foldapp.com or apply here: https://ats.rippling.com/fold-inc/jobs
More: https://foldapp.com
Mattermost is a open-core collaboration platform for mission-critical work and we're hiring for several Engineering positions.
- Product Security Engineer (Remote US, Canada, Spain, Germany): https://job-boards.greenhouse.io/mattermost/jobs/4884309008
- Senior Product Security Engineer (Remote US): https://job-boards.greenhouse.io/mattermost/jobs/4884194008
- Release Engineer (Remote US, Canada, UK, Spain, Germany): https://job-boards.greenhouse.io/mattermost/jobs/4884316008
- Lead Site Reliability Engineer - SRE (Remote US): https://job-boards.greenhouse.io/mattermost/jobs/4894055008
- Site Reliability Engineer - SRE (Remote US): https://job-boards.greenhouse.io/mattermost/jobs/4894083008
- Staff Performance Engineer (Remote US, Canada, UK, Spain, Germany): https://job-boards.greenhouse.io/mattermost/jobs/4885976008
- Senior SDET (Remote US, Canada, UK, Spain, Germany): https://job-boards.greenhouse.io/mattermost/jobs/4884075008
- Software Engineer II (Remote US, Canada, UK, Spain, Germany): https://job-boards.greenhouse.io/mattermost/jobs/4821266008
- React Native Engineer (Remote US, Canada, UK, Spain, Germany): https://job-boards.greenhouse.io/mattermost/jobs/4884183008
- Full Stack A/V Engineer (Remote US, Canada, UK, Spain, Germany): https://job-boards.greenhouse.io/mattermost/jobs/4884051008
Cogram is a productivity platform for the architecture, engineering, and construction (AEC) industry. We automate core workflows including meeting notes, site reports, email management, project administration, and RFP bidding. We're backed by YC, Initialized, and other well-known Silicon Valley investors.
We're currently looking for exceptional engineers / designers:
- Senior Full-Stack Engineer (backend-heavy, Python; 8+ years). Expert Python, Terraform and CI/CD, experience with AWS/Azure, comfortable working in React/TypeScript when needed.
- Senior Full-Stack Engineer (frontend-heavy, UI/UX; 8+ years). Deep React/TypeScript expertise, strong sense for UI/UX, proven track record of shipping user-facing products, comfortable with backend when needed.
- Design Engineer (UI/UX & frontend; 5+ years). Strong portfolio required, Figma → React experience, experience covering the full design cycle.
Stack: Python (FastAPI), Postgres, Redis, React/TypeScript, React Native/Expo, Terraform on AWS & Azure. Benefits: Fully remote, three off-sites/year, ~38 paid days off, competitive salary + equity.
Apply: Email r+hiring[at]cogram[dot]com with links (GitHub / LinkedIn / portfolio [required for design engineer]) and a short note.