Obi9 | Full-Stack Engineer | REMOTE (US time zones) | Contract or Full-time | https://obi9.ai/jobs/full-stack-engineer

A hedge fund analyst covering therapeutics has to watch hundreds of companies at once: press releases, SEC filings, management calls, updates on government sites, clinical data publications. Obi9 ingests all of it and surface what matters. Hedge funds pay for it today.

We are early and the team is small, so you would own entire surfaces of the product rather than pick up tickets:

- Ship full-stack features end to end, from the data model to the interface.

- Build the ingestion and enrichment pipelines that turn raw data into rich insights and alerts.

- Work on AI-backed features, from ideation to serving them in the webapp and over MCP.

- Make heavy data legible: dense tables, financial charts, document viewers, a live alert stream.

Stack: React + TypeScript, Node, Elixir, Python, distributed AI pipelines.

Beyond full-stack ability we want someone who already understands one of these worlds. One is enough, we are not asking for all four:

- Financial information systems. Bloomberg, FactSet, AlphaSense, Capital IQ, PitchBook. You know what entity resolution, identifier mapping and point-in-time data cost to get right.

- Financial domain knowledge in healthcare. Equity research, valuation, or time spent living inside filings and models.

- Audio and transcription. OtterAI Deepgram, AssemblyAI, Whisper. Diarization, speaker attribution, turning messy call audio into something quotable.

- AI-intensive products where the pipeline IS the product. Legal AI, document intelligence, medical coding. You know what evals, grounding and extraction schemas that hold actually cost.

Minimum: 5+ years building production web applications, a technical degree, fluency with current AI tooling, and eight continuous hours inside the 8:30am to 5:00pm ET window.

Apply: https://obi9.ai/jobs/full-stack-engineer?tab=apply

SerpApi | https://serpapi.com | Junior to Senior Fullstack Engineer multiple positions | Customer Success Engineer | Hiring Coordinator | Python/Ruby/PHP/Js/Rust/Cotlin/C#/Crystal/Nim/Elixir Developer Advocate positions | Based in Austin, TX but remote-first structure | Full-time | ONSITE or FULLY REMOTE | $150K - 180K a year 1099 for US or local avg + 20% for outside the US

SerpApi is the leading API to scrape and parse search engine results. We provide 100+ APIs to Google, Google Maps, Google Images, Bing, Baidu, and more.

Our current stack is Ruby, Rails, MongoDB, and React.JS. We are looking for more Junior and Senior FullStack Engineers.

We have an awesome work environment: We are a remote first company (before Covid!). We do continuous integration, continuous deployments, code reviews, code pairings, profit sharing, and most of communication is async via GitHub. We value super strongly transparency, do open books, have a public roadmap, and contribute to the EFF.

Apply at: https://serpapi.com/careers

Mingla | CTO (ONSITE, Stockholm) or Part-time Engineer (REMOTE ok) | https://mingla.com

Mingla makes strangers meet at in-person events: attendees scan a QR code and are straight in — no App Store, no signup — gamified missions start real conversations, and the organizer gets proof of what happened in the room.

You'd own the platform end to end: Elixir/Phoenix backend (Ash, GraphQL, Postgres) and a native SwiftUI iOS app — the QR entry is an App Clip. We're open to two setups: a full-time CTO onsite in Stockholm, or a part-time engineer who can work remote.

Apply: hello@mingla.io, subject "HN: CTO / Engineer", with a link to something you've built and one line on which setup fits you. No cover letter needed.