- Littlebird (Remote - US/EU/IST) - Sr Software Eng(s) - https://littlebird.ai
Littlebird is a smarter, personalized AI assistant that builds an understanding of your world, not your prompts. The company started in 2024 and has raised $5M+ seed. The team is now 25 people, remote, developer-led culture based in US, EU and IST.
You'll get to work across all parts of our AI stack, including search, infra, agents, voice, and data. We're looking for strong OOP skills, working on early products with e2e ownership. Our stack includes: python, TS, React/RN, Swift, Node, LLM's, Postgres, AWS
Contact: talent@littlebird.ai (subject: HN Hiring)
- Fabric (stealth) | Lead Applied AI Engineer | NYC or SF | FTE remote | $150-200k USD + significant equity
Project Fabric is an AI‑driven consumer platform to reimagine how people connect in cities, and help solve modern loneliness. In a world where almost every AI is single-player, Fabric is about multiplayer: helping people discover, connect, and spend time together, not just chat with bots.
Our product is live in a small, curated beta with some of the most interesting people in NYC, with good early traction. We're looking for a high-impact Tech Lead to design, implement and scale new AI features and systems as we prepare to launch publicly.
What we're looking for: - 7+ YOE with a blend of modern web stacks and applied ML - Proven exp building in React eco-system, cloud-infra, MLOps, security - TL experience leading major features for consumer products - Prior work w/ search, recommendations, inference, RAG, performance
Full Job description + Apply details: https://studiomgmt.notion.site/Lead-Applied-AI-Engineer-2658...
- Littlebird | Senior MLE + Senior Swift Engineers | Remote (global) | https://littlebird.ai/
Littlebird is working on a digital twin for Mac + Android to make anyone more productive, no matter what apps they use. Our team is well funded (~$5M+ seed) and remote-first, and passionate about building a product anyone can use. We're hiring developers with a passion for engineering-led cultures, knowledge graphs, search, contextual understanding, and designing infrastructure that can scale.
Core stack: Typescript, React, Swift, python, Postgres, AWS, some Rust
Apply here:
Senior Applied AI Engineer: https://scarlet-magician-747.notion.site/Senior-AI-ML-Engine...
Senior Swift Engineer: https://scarlet-magician-747.notion.site/Senior-Swift-Engine...
- Littlebird | Sr. Swift dev / Lead BE Eng | FTE/remote - https://littlebird.ai/
We are building Personalized AI that reads your mind, not your prompts. Littlebird works behind the scenes to understand the information that matters for your personal workflow - for Mac and Android. $5M seed, remote-first
Our stack: python, React, Swift, Rust, Postgres, AWS, search
Sr. Swift Developer - we develop natively, care about concurrency, SwiftUI - https://scarlet-magician-747.notion.site/Senior-Swift-Engine...
Lead Backend Engineer - we process tons of data including hybrid search and speech processing, and this role will lead BE scalability and ML platform efforts, w/ overview of security and cloud strategy - https://scarlet-magician-747.notion.site/Senior-Backend-Engi...
- Gen OS | Senior Backend Engineer | Remote | Full-Time
Gen OS is a seed-funded team (~$5m) building LittleBird, a digital twin that understands you: what you care about, what you want to accomplish, the people in your life, your near and long term goals, for Mac + Android. The team is remote-first, with teammates in the Bay Area, NYC, Europe & India.
HIRING: Senior Backend Engineer:
- Requires strong experience w/ Python
- Passion for solving problems in the areas of scalability, ML infra, system performance, hybrid search, data pipelines, vector Dbs, or related.
- Bonus points for experience or interest in Swift, Rust, OS concurrency
More details + apply here: https://scarlet-magician-747.notion.site/Senior-Backend-Engi...
- Little Bird | Senior ML Engineer | SF/remote + Full-Time | https://www.joinlittlebird.com/
Little Bird is a personalized AI assistant for productive people, starting with Mac and Android. We're focused on building a product for everyone, that is contextually aware, learning from your past work, and helping you prioritize what's important. We're ~16 people from around the globe, well-funded, and working on fun problems such as conversational reasoning, hybrid search, and NLP. For more info about our stack, check the job description below.
Senior ML Engineer(s) - full details here - https://scarlet-magician-747.notion.site/Senior-AI-ML-Engine...
- Gen OS | https://www.joinlittlebird.com/ | Global Remote | FT | multiple roles
We're a passionate team of 15 building a second mind to help anyone be more productive, starting with Mac and Android. We have raised $4m+ seed and love to experiment, test, and implement new ideas. We're remote-first with teammates around the globe, including a few in SF who like to meet weekly. Our co-founders have experience building data, consumer hardware, and interactive products, including selling a previous venture for >$250m.
The following are new roles on our team, with massive product ownership, and will report to the leadership team.
Open roles:
Senior AI Engineer: ML platform, MMI, hybrid search, inference (python, Rust)
Lead MLOps Eng: python, k8s, Github Actions, security, AWS/GCP/Azure
Founding GTM / Strategy Mgr: PLG, BizOps, forecasting, UX research
To apply: please send a resume or github link to talent@genos.dev
- LittleBird (aka gen OS) | SF + remote | Full-time - https://genos.dev/
We're building LittleBird, the continuous AI service that runs on any device. We're solving fun problems across mobile, desktop and web, from LLM's to security and async communications - and looking for passionate developers to join our early team. We raised >$4m+ seed and are ~10 teammates. We move fast, love to experiment, and value clear communication.
Current openings:
- Swift Engineer (or proven Obj-C + macOS dev experience)
- React Full-Stack Engineer (from canvas to infra to CI/CD, you love it all)
To apply: send your resume + any links to github to talent@genos.dev
- Apologies for the error - email is fixed now! talent@genos.dev
- Flux.ai | Typescript/React/webGL | 100% Remote global | Full-time
Flux develops a realtime browser-based hardware design tool, with an AI assistant, a user programmable simulator, and a public library of forkable parts/templates/projects. We're VC-backed and include teammates who worked previously on teams including Apple, Facebook, Autodesk, GlowForge & Cruise.
Full Stack React Engineer: join a senior team that works on scaling our React application, specifically around app performance, user-facing zoom, positioning, selection, and multi-player features - among other things!
React + WebGL Intern / Fall Co-op student: want to work on similar problems mentioned above? Does Computational Geometry, GPU picking, rendering performance or Three.js get you excited?
Learn more about our remote team, our core values, and how to apply here: https://coda.io/@flux-ai/flux-jobs
- Flux.ai | Full-time | 100% Remote | https://www.flux.ai/p
Flux builds a browser-based collaborative hardware design tool, simulator, and AI assistant with a large community library of pre-built templates, components, and full designs. Flux is seed-funded by Bain, 8VC, Outsiders Fund with a global team that includes alumni from Facebook, Apple, and Cruise.
Hiring for 2 new roles: QA Automation Engineer - our 1st hire in this role! We care a lot about tests, performance, Typescript and great UI. You should love building tools and owning projects + experience w/ React, Cypress, Playwright, or similar. https://boards.greenhouse.io/fluxai/jobs/4887911004
Full-Stack Engineer - our stack includes Typescript, React, webGL, firebase, realtime multi-player and 3D rendering. More details: https://boards.greenhouse.io/fluxai/jobs/4132178004
Apply at the links above or email talent@flux.ai
Littlebird is a smarter, more personal AI assistant (Mac + Android) that builds an understanding of your world. We now have a few thousand customers and growing quickly, but there is still a lot to build. We're a global team of PhD's, OSS hackers, and productivity fans who want to make utilizing LLM's easy and accessible to anyone. If you get excited about cross-platform AI tools, conversational inference, and experimental graph systems - then see below!
Brand new roles to join the team:
Sr. / Staff AI Engineer (Systems and Arch) - next-gen memory + retrieval, python, Node, Rust
AI Engineer (Agent Intelligence & Retrieval) - conversational AI, agentic reasoning, RAG, python
Sr. React / RN Engineer - clean UI and fast data collection across mobile + web
Product Designer - design AI features + components across, desktop mobile, and web, JS/HTML/CSS
Swift Engineer - all things Swift, concurrency, iOS and MacOS
Full job descriptions and apply to: https://littlebird.ai/careers