Freeform (https://freeform.co) | Software Engineers | Full-time | Onsite | Hawthorne, CA (Los Angeles County)

Freeform is deploying metal 3D printing factories at global scale and setting a new frontier in manufacturing. With AI, GPUs, and FPGAs working in tandem, our system monitors and corrects every microsecond of the process, delivering a level of precision, speed, and quality that’s never been possible—until now. This isn’t just an improvement; it’s a leap forward in how complex metal parts are made, with the ability to revolutionize industries like aerospace, defense, automotive, energy, and beyond. We are backed by top VCs including NVIDIA’s NVentures, Founders Fund, and Threshold Ventures.

It’s a small, tight-knit team and you’d have the opportunity to own significant and impactful greenfield projects throughout the entire development lifecycle and much more. Our software team comes from the likes of Google, SpaceX, and Apple, and believe in taking a first principles approach to solving hard problems.

A glimpse into our software landscape - https://youtu.be/nfwqarukd5i?si=mp17qdkbxvf8qpzn

Our feature in TechCrunch! https://techcrunch.com/2024/10/22/ex-spacex-engineers-land-1...

+ Senior Software Engineer (C++) - https://grnh.se/440e6d263us

+ Senior Software Engineer (Rust) - https://grnh.se/60fc6e113us

+ Software Engineer (C++) - https://grnh.se/8b032a433us

+ Software Engineer (Rust) -https://grnh.se/0a4d07673us

Layer Health | https://www.layerhealth.com/ BOSTON or NYC (Hybrid) (no remote at this time)

Layer Health was founded in 2023 by leading machine learning researchers from MIT and Harvard Medical School. We are building an AI layer that can accurately and scalably synthesize information from medical records, with the mission to reduce friction everywhere in healthcare. Our LLM-powered platform is solving chart review once and for all, across use cases. For health systems, our first product dramatically accelerates clinical registry abstraction in areas ranging from surgery and cardiology, to oncology. Our long term vision is for our AI layer to safely transform patient care and minimize unnecessary heartbreak. Layer Health’s diverse founding team brings expertise across machine learning, UI/UX, large language models, and medicine.

Work Location: HYBRID in Boston (back bay) or NYC (grand central) Headcount: ~20

Stack:React/Typescript Frontend / Python Backend // GCP

Open Roles (note that all roles require a MINIMUM of 4 years of work experience) * Backend Tech Lead (Product & Infra, two roles) * Staff+ Data Infra / Data Platform Engineer/Architect * Staff+ MLE/Infra * Research Scientist (PhD's) * Head of Product / Chief Product Officer

Email me at Email is hidden for more info!

Cactus | https://www.cactus.is/ | Multiple Roles | REMOTE | Full-Time and Contract

Cactus is a strategy, design, and engineering firm that builds physical and digital products for some of the world's leading healthcare clinics. Fully remote with teams based in the US and Brazil, we're hiring for a variety of software engineering roles (https://www.cactus.is/careers).

- Backend and Fullstack: Python and JS, SQL/PostgreSQL and NoSQL tools (GCP experience a plus)

- iOS and Android: Swift and Kotlin/Java

- Frontend: React, JS, and a variety of data viz and interactive libraries

- Engineering Managers: to lead our client projects and teams

Email Email is hidden with your name, github/code samples, and resume or LinkedIn. It's a plus but not required to have past experience working with healthcare tools and standards like EMRs, HIEs, HIPAA, FHIR, interoperability, etc.

Child Mind Institute | Full-Time | Remote within US or NYC Hybrid | https://childmind.org/about-us/careers/

Join us in transforming the lives of children struggling with mental health or learning disorders.

These positions are focused on the development of MindLogger, a data collection platform focused on mental health research.

Tech stack - Python/FastAPI | React | React Native | Postgres | Terraform | AWS

Lead Full Stack Engineer - https://workforcenow.adp.com/mascsr/default/mdf/recruitment/... Sr. Full Stack Engineer - https://workforcenow.adp.com/mascsr/default/mdf/recruitment/...

Voldex | Full-time | Remote (Canada) | https://voldex.com/careers/

Voldex is one of the top developers on Roblox, backed by investors like Andreessen Horowitz, Dune Ventures, Makers Fund, MIT Innovation Capital, Raine Ventures, and the Qatar Investment Authority.

We are hiring a senior back-end engineer with experience in Golang and AWS. Day to day involves desiging and maintaining scalable services and tools.

Apply directly at: https://voldex.com/careers/?ashby_jid=8466d9e2-499c-4c77-bf1...

Equall | Product Engineer (Full Stack) | NYC (In-Person / Hybrid) | Full Time | $150K–$250K depending on experience | Email is hidden

We’re building the OS for legal risk — a real-time AI platform that does legal work (not a co-pilot). Custom knowledge graphs + multi-agent systems = outputs that replace 100s of lawyer-hours.

You’ll:

- Own and ship full-stack features across SvelteKit, GraphQL, and Python

- Work in person with a high-output team, solving real pain points for top law firms

- Build AI-native product.

Must:

- Be NYC-based (or willing to move)

- Be serious, fast, and ready to work long hours on hard problems

- 2+ years experience

Nice: FastAPI, GraphQL, Tailwind, Svelte, Bun/Deno, AI/ML infra, structured concurrency

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.