Pave | https://www.pavefi.com | Data Scientist | Backend Engineer | Remote (US or Canada) | Full-time

I’m the Director of Engineering at Pave, a rapidly growing startup revolutionizing financial access for underserved consumers and small businesses through AI-powered Cashflow Analytics and Scores. 50+ risk teams use Pave to reduce defaults, provide the optimal loan amount/credit limit, and maximize collections success.

- We’re hiring Software Engineers in Backend, Full Stack, Data and ML to scale our data processing platform to 100M+ users: https://wellfound.com/l/2bmppa

- We’re hiring Data Scientists to ship models that will redefine the US credit system, making it fair and inclusive: https://wellfound.com/l/2aqff9

Shoot us an email at Email is hidden and let us know you found us on HN!

Pave is backed by Better Tomorrow, Bessemer, 8VC, and other top funds and angels from Coinbase, Chime, SoFi, CashApp, and Plaid.

Aleph | Senior+ Software Engineers (frontend, backend, fullstack), Eng Managers | Fully Remote (ET to PT hours) | Full-time | https://www.getaleph.com

Aleph is an AI-native platform for Financial Planning & Analysis (FP&A). We operate in an established software category with a multi-billion market but no clear winner. Our growth has come from product velocity and customer outcomes, not marketing spend, and the results speak for themselves.

We're backed by top VCs (Bain Capital Ventures, Khosla Ventures, YC, Picus Capital), and work with customers like Eight Sleep, Webflow, Turo, Notion, Zapier and others.

Our tech stack: TypeScript, React, Python, Mongo, GCP

See all open positions and more details in https://www.getaleph.com/careers#open-roles

Showpass | https://www.showpass.com | Calgary, AB | ONSITE (hybrid 2-3 days/week)

Live events platform: ticketing, checkout, organizer tools, orders/settlements, analytics.

Backend (Intermediate to Senior): Python/Django; PostgreSQL; Redis/Celery; ClickHouse; GKE; Docker

Frontend (Senior to Principal): React/Next.js; TypeScript; Design Systems/Storybook; Jest/Playwright; perf/a11y

Solutions (Intermediate to Senior): TypeScript/Node or Python/Django; REST; OAuth2/OIDC/SAML; SDKs/CLIs

Apply: Email is hidden

Subject: HN Sep 2025 - <Role>

No recruiters, please.

Chicago IL | Onsite Tech Nexus | Tech Lead | $160K - $200K

nativeMsg is the leading RCS Business Messaging experience and API platform, enabling businesses to create, send, and optimize interactive text messaging experiences. We are transforming business communication by converting traditional SMS into rich, interactive experiences that include images, videos, and interactive buttons, all within the native messaging app.

The Opportunity

We're seeking a Technical Lead to drive the development of our RCS Business Messaging platform while leading our existing development team. This is a hands-on leadership role where you'll architect scalable solutions, integrate cutting-edge AI capabilities, and ensure our cloud infrastructure supports millions of interactive messages daily. You'll be at the forefront of RCS technology innovation, working with carrier messaging APIs, building conversational AI experiences, and creating the technical foundation for the next generation of business messaging.

What You'll Do

Platform Architecture & Development: Architect and develop our core RCS Business Messaging API and platform. You will ensure system scalability for high-volume messaging while optimizing for performance and reliability. Cloud & Data Management: Lead the design of our GCP cloud infrastructure. You will architect robust database systems and design data pipelines for analytics and AI. AI & Innovation: Build and integrate conversational AI capabilities, chatbot logic, and machine learning models to create intelligent messaging experiences. Team Leadership & Vision: Manage and mentor the development team, defining the technical roadmap and architectural vision. You will establish development best practices, including code reviews and testing frameworks, while recruiting and developing technical talent. What You'll Bring

Technical Experience: 5+ years of enterprise development experience with expert-level proficiency in Java. 3+ years of hands-on experience designing scalable cloud infrastructure. Extensive experience building RESTful APIs and high-throughput, low-latency messaging systems. Strong experience with database design, optimization, and management. Experience with messaging APIs (RCS/SMS) or carrier integrations is preferred. Hands-on experience building conversational AI interfaces and integrating ML models. Leadership Experience: 5+ years of experience leading and mentoring development teams. Proven ability to partner with cross-functional teams to deliver technical solutions. Strong experience with Agile methodologies (Scrum/Kanban) and DevOps practices.

Blotato | https://blotato.com | Principal Software Engineer | REMOTE (Europe)

Salary: 10,000 euros per month

Blotato helps entrepreneurs build their audience: https://www.blotato.com

Preferences: vim, emacs, fullstack, no hypechase js

Tech stack: nextjs, fastify, typescript, supabase, heroku, aws

This is a fulltime permanen position. Mostly backend working in Fastify, a little frontend. You should still be very proficient fullstack.

Interview process is 3 steps: 1. Takehome interview question 2. Video call technical interview 3. Non-technical / culture fit interview

Apply here: https://forms.gle/s2aaz3axer63cezn8

Thrivia | https://thrivia.io | Founding Interns (Engineering, Design, Marketing, Ops, EIR) | REMOTE | Internship (potential early hire)

Thrivia is a creator-led travel & experiences platform — think curated trips, retreats, and events powered by creators.

We’re very early stage and looking for founding interns who want to build 0 → 1 with us:

Software Engineering (MERN + TS) → https://tally.so/r/mdl4nr

Graphic Design → https://tally.so/r/3qy4by

Influencer Marketing → https://tally.so/r/my25d5

Founder’s Office (Ops/Strategy) → https://tally.so/r/n9eqr4

Entrepreneur-in-Residence (EIR) → https://tally.so/r/mkxywk

Remote, flexible, and high-impact — you’ll work directly with the founder (ex-Apollo.io, Walmart, Microsoft).

Apply via links or reach us at Email is hidden

Toptal Core is hiring full-time remote (Europe timezones) Senior Ruby Engineer.

Our current stack is Ruby, Rails, PostgreSQL, ElasticSearch, GraphQL, Kafka, K8s. Mostly working on majestic monolith, occasionally on one of the smaller services. We are building a lot of integrations with external providers, recently integrated Google Drive, elastic and LLMs for AI search.

Apply at: https://www.toptal.com/careers/senior-back-end-engineer-plat...

Duckbill engineering is hiring a full-time ONSITE full-stack senior SWE in downtown San Francisco. We WFH Tuesdays and Thursdays.

We're tackling the hardest finops challenges for the biggest enterprise customers head-on and have a killer team along with the advantage of the established and industry-leading DuckBill Group.

Help shape the leading edge of an entire industry with us while we're still just at seed stage and under 6 engineers!

Comp range is generous on the equity and between 180k and 200k base depending on seniority. We're cooking with flask, react, postgres, and clickhouse on AWS at the moment.

---

Apply here: https://www.duckbillgroup.com/careers/

Or email: Email is hidden

Jupiter Health | Founding Engineer | New York City (Hybrid) | Full-Time | $190-200K + equity

Jupiter is building a better approach to healthcare for 80 million working age Americans like you and me.

We all know that healthcare is broken. In large part, this is because there are too many cumbersome intermediaries creating complexity between consumers and the care they need. At Jupiter, we are creating a more direct, flexible, and responsive healthcare system that better serves working-age Americans.

Our triple aim: Improve your health, improve your financials, and make it convenient and easy.

We have built a proprietary dataset of over 12 million direct pay rates across 40,000 providers, covering all types of sites of care in the US, from hospitals, surgery centers, imaging, diagnostics, specialists, primary care, urgent care, virtual care, physical therapy, dental, and vision.

We are now building out our consumer search product and forming relationships with leading providers, insurance plans that best serve our users, and new technologies that enhance longevity and stave off the chronic conditions that are the leading causes of poor healthcare outcomes, costs, and loss of quality of life.

We are looking for a Founding Engineer energized by our mission and eager to be part of the founding team at a startup tackling a massive market.

Read more here and get in touch if this is potentially a good fit! https://www.notion.so/jupiter-health-founding-engineer-277f4...

Hi

I work as a *software publisher* – helping developers and teams bring their products to the market. What I can do: - End-to-end publishing & distribution - Product positioning & launch strategy - Marketing and user acquisition

If your company/team is building something but struggling with publishing, I’d be happy to collaborate.

Website: https://mrcontent04.blogspot.com/ Email: Email is hidden

Thanks for sharing opportunities here!