Synapse is a funded startup backed by a Fortune 100 CEO with the goal of making academic research and news more accessible. With our mobile app, users will be able to see the latest research papers and news in their fields of choice in a curated feed based on the topics, journals, and authors they follow. Our mission is to connect the right researchers to the right papers. Right now, we’re building ways to streamline how scientists discover and share research but ultimately we will become the definitive global hub for scientific discourse.
We’re looking for a founding software engineer with Python and React experience to work on our web and mobile apps.
Experience with React Native and mobile development in general, is a big plus.
Experience with MongoDB and Flask are also nice to have.
*Tech Stack*
- database: MongoDB - mobile app: Typescript, React Native - api: Python, Flask - infra: AWS Beanstalk
*Salary and Benefits*
90-100k starting annual salary( plus equity). This range is highly subject to change after we raise again in November
Please email ginebra@synapsesocial.com with your resume !
Hi everyone! We’re a Series A startup on a mission to protect society from fraud and money laundering using a Cloud based SaaS platform. With fraud and money laundering skyrocketing, regulated professionals are struggling to keep pace with their compliance obligations. Thirdfort turns compliance into a competitive advantage, offering beautifully secure onboarding for regulated businesses operating across legal and property. We’ve already protected over 2.5 million people through life’s big transactions, with a core aim to protect many more.
We have the following open positions:
- Security Engineer - we’re looking for a security generalist who’s happy to get stuck into everything from architecture and assessments to policy and compliance.
- Lead React Native Engineer - we're looking for a highly experience React Native engineer with solid mobile experience to take the lead on our new app experience.
Come take a look at our open roles: https://www.thirdfort.com/jobs/
Roles: Computer Vision Engineer
Roles: Mid - Sen Frontend Engineer (React Native)
We are building software to help landscapers design, sell and maintain beautiful spaces. Millions of acres a year are converted into urban dwelling spaces, and we want to help make them as beautiful and as ecologically friendly as possible.
Duranta was founded a year ago. We are well funded and are expanding our team after having spent the last 9 months building an MVP and validating the market. We are looking for a frontend engineer and a computer vision engineer to complement our team. As the second CV/ML engineer you will have the opportunity to work closely with the founders & our CV/ML advisor, shape the CV/ML architecture and make a significant impact on the company’s product and trajectory. As a frontend engineer you and your 3 FE peers, will build critical user features in React Native and work closely with our designer and the founders.
Frontend: React, React Native, Typescript
Backend: Go, PostgreSQL running on AWS
CV/ML: Python, PyTorch, Marsk2Former running on AWS
If you're interested in working with us, please apply online. Mention you're from HN and let us know why Duranta is of interest and what you've been working on lately.
Please apply on: https://jobs.lever.co/getduranta
Hinge Health leverages software, including AI, to largely automate care for joint and muscle health, delivering an outstanding member experience, improved member outcomes, and cost reductions for its clients. The company has designed its platform to address a broad spectrum of MSK care—from acute injury, to chronic pain, to post-surgical rehabilitation—and the platform can help to ease members’ pain, improve their function, and reduce their need for surgeries, all while driving health equity by allowing members to engage in their exercise therapy sessions from anywhere. The company is headquartered in San Francisco, California.
Learn more at http://www.hingehealth.com
Role: Software Engineer II (3+ years of experience) Required: 1+ years of experience with React Native mobile development
Apply at website - https://careers.hingehealth.com/careers-home
Our mission is to empower field-service companies to grow by modernizing and automating their business operations. Every company we work with has unrealized potentials — our task is to build the platform that empowers growth and helps them unlock opportunities.
Email: jobs [at] 40grid.com (no recruiters or agencies, please put HN in subject line, thanks).
Tech: React Native
We're a small, well-funded startup building a new product in the web3 space. We're looking for a frontend engineer with a strong sense for design and UX.
What we're looking for:
- React Native (or Expo) experience
- Ability to turn Figma files into crisp, pixel-perfect UIs
- An eye for smooth, subtle animations
- web3 experience is a strong plus
- Someone who cares deeply about the craft and has a bias toward shipping
We're a small and fast-moving team—this is a chance to have real product impact from day one. Preferably full-time.
If you're interested, drop a link to your work/GitHub and a short note to: careers@oric.app
Profitable wine-subscription scale-up (tens of millions ARR) that used ML for personalised recommendations before "AI" was cool. Own and scale the whole stack (React/React Native, Python/Django, GraphQL, Postgres, AWS), ship new AI-native features, chase latency spikes, and grow the team from 1 → 5+.
You're a commercial thinker who speaks unit economics, retention levers, and gross margin as fluently as REST endpoints; resourceful, data-driven, ops-literate, and never stops tinkering with the latest models.
Comp up to A$250k + meaningful equity.
You can email me directly ("beto" at our domain name specified above and the subject line as "From Hacker News | Remote | {your country}") with (1) a tech decision you owned and its business impact, and (2) the first AI experiment you'd run at GPD.
Germany’s #1 live-TV & VOD platform (2 M+ users, >5 Tbit/s peak on our own CDN). We build almost everything in-house.
Stack: Kotlin, Go, React / React Native (TV apps), AWS, Kubernetes
Open roles
* Technical Program Manager - 4 + yrs delivery / TPM experience
* Tech Lead Web-TV Platform - React Native
We offer
* 30 days PTO, learning budget, O’Reilly
* Employer-paid health & disability insurance, EGYM Wellpass
* Dog-friendly office, competitive € salary
Interested? → nils.juenemann+hn-2025-06@exaring.de or https://www.linkedin.com/in/nilsjuenemann/
We're helping teens and families get the mental health support they deserve. Many of our families are on Medicaid and/or in foster care. We build tech that powers care in the real world - apps for our staff (guides, therapist, psychiatrists, ops) and for the families we serve. We're mission-driven, moving fast, and grounded in the belief that thoughtful software can genuinely change lives.
We're hiring two senior engineers to help us level up as we begin scaling. You’d be joining a tight-knit group of builders: four engineers, our head of product, and me (Josh, co-founder/CTO). You’ll work full-stack to ship features, shape the system architecture, improve developer experience, and drive our product forward. You'll also get to help us ethically integrate more AI into our app to better support our patients.
Tech stack - Typescript/NodeJS | React Native (+RN Web) | MongoDB | Google Cloud
We're fully remote, mostly in the midwest for the dev team, great health insurance, 401k matching, 20 days PTO/9 sick.
If you're interested, email josh at hour website, mention HN, and send me a link/description of something you've built (GitHub, app, side project, blog, etc.)
These positions are focused on the development of MindLogger (soon to be renamed "Curious"), a data collection platform focused on mental health research. MindLogger is an established platform and we are looking to build out an internal engineering team to support and enhance it. It's a great opportunity to use your engineering skills for a great cause!
Email me with questions jody dot brookover at childmind dot org
Tech stack - Python/FastAPI | React | React Native | Postgres | Terraform | AWS
As a full-stack software engineer at Floryn, you’re joining us in building a fintech company which provides fast and easy access to credit for small and medium sized businesses. We’re somewhat like a bank, but without the bureaucracy and the white collars. You’ll be working at a landscape of applications that are responsible for wiring millions of euros, daily, directly into our customer’s bank accounts.
We are looking for both junior and experienced software developers. Software stack: Ruby on Rails, React and React Mobile, PostgreSQL, Docker and AWS.
Find out more: https://jobs.floryn.com/o/fullstack-software-engineer-sherto...
Streamplace is building open-source live video for Bluesky's AT Protocol as part of our mission to solve video for everybody forever. We've recently raised ~$500,000 from the Livepeer Treasury and are building our founding team.
We're in need of someone with a background in decentralized protocols and video technology. You'd be responsible for building and documenting the Streamplace segmentation and replication protocol, building out our GStreamer-based multiplatform node software, and facilitating our rollout to global low-latency platform. Our stack is primarily in Go and React Native.
More information at https://jobs.stream.place and apply with an email to jobs@stream.place.
TalkJS lets developers build a perfect chat feature in just a few minutes. We power communication in online marketplaces, community sites, multiplayer apps, trading platforms and so on. We're product driven and we care tremendously about quality.
We're headquartered in the Netherlands and our team is spread across the Central European Timezone +/- 3h.
We're particularly looking for:
* Mobile SDK Developer (iOS/Android/React Native/Flutter) * Full-stack Developer (TypeScript/Elixir/Postgres) If you enjoy crafting perfect libraries and APIs for other programmers to use, get in touch!TalkJS touches millions of people and is growing quickly. We want to be the tool that every developer thinks of for building communication features, a bit like what Stripe is for payments. 80% of the company is product people, founders are a designer and a programmer.
Our strategy is to give great engineers the maximum amount of freedom, so they can ship fantastic SDKs, APIs and features. This means a lot of responsibility, a lot of agency, a sane work/life balance, no meetings, no red tape. We're growing, profitable, and not dependent on venture funding. Sound good?
More info on all positions + how to apply: https://talkjs.com/jobs/
Fold is making Bitcoin adoption simple through user-centric design and rewards. We're building the future of Bitcoin payments and need talented frontend engineers to join our fully remote team.
Senior Frontend Engineer role: working on our React Native apps. You'll build new features, architect solutions, and collaborate with our product and design teams.
- 5+ years frontend dev experience - Expert in: React Native, Redux, TypeScript, Jest - Strong JS fundamentals - Experience with: CircleCI, Git Actions, mobile app deployment - Nice-to-have: Datadog, Redux Toolkit, Tailwind - US residency (regulatory requirement) Senior Design Engineer role: working at the intersection of design and frontend engineering. You'll collaborate closely with product and design to translate Figma files into polished, scalable components and build out our design system in React Native. - 5+ years experience in frontend or design engineering - Strong in: React Native, TypeScript, modern component libraries - Nice to have: Tailwind, Storybook, Framer Motion - Fluent in design systems and responsive layouts - Experience implementing and scaling design systems - Knowledge of animation and accessibility best practices - US residency (regulatory requirement) Benefits: - Competitive salary + equity - 401k with 3% match - Unlimited PTO + yearly vacation stipend - Full health/dental/vision - Paid parental leave - Regular team meetups - No Monday meetings (seriously) - Bitcoin starter pack (hw wallet included) Email tiffany.sawhney (a) foldapp.com if you have questions or apply here: https://wellfound.com/jobs/3277401-senior-front-end-engineer [0] https://foldapp.com