Ionworks builds battery simulation and optimization software used by R&D teams designing next-generation batteries. We are looking for a founding backend / systems engineer to own big pieces of our backend and help us scale from a few early customers to broader industry use.
Work: - FastAPI, async Python, Supabase/Postgres - Designing APIs and data models for simulation and optimization workflows - Performance and reliability work across the stack (queries, async, concurrency, resource limits) - Job orchestration for running and tracking simulations - Observability: logging, metrics, tracing, debugging real issues
We are especially interested in people who work in a "vibe engineering" style: using LLMs and coding agents as accelerators, but still planning ahead, writing tests, supervising agents, and staying fully responsible for code quality and architecture. If you already use AI tools this way in your day-to-day work, you will fit in well here.
Stack: FastAPI, Python, Supabase/Postgres, distributed compute for simulations, AI-assisted dev.
Benefits: competitive salary, meaningful equity, remote-first, unlimited PTO, 401k match, medical/dental/vision, paid parental leave, home office budget.
If this sounds interesting, send a short note to valentin@ionworks.com with "HN backend" in the subject and fill in the application here: https://apply.workable.com/ionworks/j/A8C2F4287C/
At Profitmind, we're building massive-scale ecommerce datasets to use in AI training/inference, and we need a junior engineer to help develop the scraping infrastructure for product data. You'll be reverse-engineering undocumented APIs, handling anti-bot systems, and dealing with edge cases like pagination limits, rate limiting, and sites that change their protection schemes without warning. It's fun work! The technical side involves analyzing a site's network requests, deobfuscating and reading obfuscated javascript, and implementing simple HTTP request scraping to full browser automation. You'll also work on the infrastructure layer: state management for resumable scrapes, deduplicating products, data integrity, and monitoring systems to detect when sites change.
The work you'll be doing is in the hot path of our company, so the systems you will build need to be performant and maintainable. You should have solid Python skills and experience scraping ecommerce websites and APIs. You should also like the slightly-obsessive investigative nature of the work.
If you worked in scraping or botting in the past, please hit me up!
Reach out directly - gray at netail.ai