Avantos.ai | Jr Software Eng | Remote (UTC-6 - UTC+2) | 60-80k

Avantos is an AI platform that streamlines client onboarding and servicing for financial institutions. Its a Series A startup headquartered in NYC.

Tech Stack Languages: Typescript, Golang Frameworks/Libs: React, Next.js, Vitest, Playwright DB: Postgres Infra: AWS, Terraform, Docker

React experience is a must have. Experience with the rest of the stack is preferred, but not required.

You'll get a sense of what we're building during the coding challenge, which you can start by sending a POST request to: https://apply-to-avantos.dev-sandbox.workload.avantos-ai.net Payload should be this: {"email": "<your-email>"}

You'll need to make sure the user agent isn't something too bot-seeming or WAF will block you. This user agent works: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

MARA | AI, Compute, Energy Hackathon | San Francisco | June 21, 2025 | https://www.mara.com/hackathon-2025

MARA is bringing together 100 students in San Francisco for a focused hackathon on the convergence of energy, compute, and AI. It’s a one-day event with technical prompts, mentorship, and a 1 BTC top prize.

Challenges will explore how AI agents can help solve the growing imbalance between compute demand and energy availability.

Interactive Brokers | Python Developer | Mumbai/Hyderabad India | Hybrid www.interactivebrokers.com We are a small technology team in a fast growing, multi-billion dollar fintech company. We are seeking a great communicator who can design and develop in Python. Experience with Object oriented design, design patterns, building systems, and SQL a plus. Positions are a hybrid model 3 days in office 2 days remote. If you are looking for a great place to innovate, apply today. We have one positions open in our India offices.

Apply Online here: https://boards.greenhouse.io/ibkr/jobs/6744937002

Spara | Hiring Full Stack & AI Engineers | Hybrid NYC (3-4 days in-office) | Full-Time | https://www.spara.co/careers

Spara builds enterprise-grade AI agents that instantly engage, qualify, and convert sales leads into revenue. We're solving a complex, high-impact sales problem ($28B market) through sophisticated multi-modal interactions—chat, email, voice, and beyond—leveraging leading-edge foundation models from OpenAI, Anthropic, and more.

We're an experienced, tight-knit team backed by Radical Ventures & Inspired Capital, with support from AI luminaries including founders of PyTorch and Google Cloud TPU. Our tech stack includes FastAPI/Python, React/TypeScript/Tailwind, Postgres/pgvector, Google Cloud, Docker, and GitHub Actions.

Roles:

Staff / Senior AI Engineer: Architect and build our AI engine, fine-tune models, design evaluations, and optimize user interactions.

https://www.spara.co/careers?ashby_jid=62ad31de-e815-4a02-93... https://www.spara.co/careers?ashby_jid=523871d0-32bc-4ef4-8d...

Staff / Senior Full Stack Engineer: Develop and scale our core product suite, interfaces, and sales workflow orchestration systems.

https://www.spara.co/careers?ashby_jid=1885ae6f-0815-4001-84... https://www.spara.co/careers?ashby_jid=151c6ee3-4e3a-4d17-98...

Competitive comp, strong benefits, sustainable culture, impactful work.

We’re building modern software for parks & recreation — making it easier to book tennis courts, sign up for programs, and run rec departments. If you've used clunky city rec websites, you know what we're fixing. https://www.rec.us (React + Node/TypeScript stack)

Sr Fullstack Engineers: https://app.dover.com/apply/rec%20Technologies/954b8e75-1528... (Remote - North, Central, South America)

Sr Frontend Engineers: https://app.dover.com/apply/rec%20Technologies/a4fdb8f2-88e0... (Remote - North, Central, South America)

Sr Product Designer: https://app.dover.com/apply/rec%20Technologies/f5e065c9-79f4... (Hybrid, SF)

REM0TE (US, Canada) - isn't this a cultural discrimination against Latinos? i.e. a timezone is not an excuse here, so why limit?

Artificial | Full-time | Remote (Europe) | London | https://artificial.io/careers/

We are building the specialty (re)insurance landscape of the future. Our technology is revolutionising how brokers and carriers operate in complex markets.

Site Reliability Engineer: https://artificiallabsltd.teamtailor.com/jobs/5882832-site-r... (Fully remote)

Design Engineer: https://artificiallabsltd.teamtailor.com/jobs/5728149-design... (Fully remote)

Solutions Engineer: https://artificiallabsltd.teamtailor.com/jobs/5441617-soluti... (Hybrid Onsite)

Perplexity AI | SF, NYC, London | https://www.perplexity.ai/hub/careers

Fullstack Engineer, Growth: https://grnh.se/d49f1ae17us

Backend Engineer, Billing: https://grnh.se/71c75a997us

AI Inference (SF): https://grnh.se/398b51957us

AI Inference (London): https://grnh.se/83da49837us

AI ML Engineer, Personalization (SF): https://grnh.se/76abfa2d7us

Staff Authentication & Identity Engineer: https://grnh.se/b0ebd0637us

Help us build the future of search

Limitless (Previously Rewind) | Full-time | Remote | https://limitless.ai

At Limitless, our vision is to free the human mind from its biological limits. We build software and hardware that captures what you see, say, and hear and makes it useful. Our investors include Sam Altman, Alexis Ohanian, a16z, First Round, NEA, and many others. We are a well-funded, 18-person, remote-first startup.

We are hiring for:

Senior / Staff Product Engineer (Generalist) - https://jobs.ashbyhq.com/limitless/0911717b-0a69-406a-a494-1...

For more information about our benefits and culture (including quarterly retreats, office reimbursement, final week of the year off, etc), check out our careers page - https://limitless.ai/careers

PartsCloud | Backend Engineer | REMOTE (Europe) | Full-time

We’re looking for a Backend Engineer with data science experience to join our small team of experienced developers. You’ll work on core platform features including APIs, data pipelines, and our planning engine using Python, Django, the modern data stack, and related tools. The role is hands-on and collaborative, with opportunities to contribute across the stack and own projects end-to-end. We’re remote-first within the EU, offer a competitive salary around €75k (depending on experience), equity (VSOP), and support for personal development. Bonus points for startup experience or a background in logistics, e-commerce, or finance platforms.

At PartsCloud, we’re on a mission to modernize the spare parts industry with our cloud-based platform, PartsOS. Our software helps industrial service teams better manage inventory, forecasting, and fulfillment in a sector long underserved by digital tools. We’re building a scalable solution that empowers businesses to reduce excess stock, improve availability, and stay resilient in the face of supply chain disruptions.

Apply directly or reach out to me for questions. Please mention you found the job on HN when talking to us.

https://join.com/companies/partscloud/14075781-back-end-engi...