RepSpark | Engineering & Product | REMOTE (US) | Full-Time | https://www.repspark.com

RepSpark is the top SaaS B2B wholesale e-commerce platform for brands in apparel, footwear, and accessories. For example, we're how golf courses across North America and Europe purchase brands like Titleist, Peter Millar, Kjus, etc.

Stack: C#/.NET (Rider on macOS), GraphQL, React, TypeScript, PostgreSQL, AWS (CDK), GitHub Actions.

We're actively hiring:

* Senior Product Engineer (Full-Stack): Own outcomes across React/TS + C#/.NET + Postgres; help modernize legacy .NET Framework to .NET 8; build/scale ERP ETL & integrations. https://www.repspark.com/senior-product-engineer-full-stack

* Product Manager - Integrations: Own the integrations roadmap; prioritize ERP connectors (NetSuite, SAP, etc.); partner closely with engineering. https://www.repspark.com/product-manager

Email Email is hidden with your resume/links (GitHub, portfolio).

Artificial Analysis | https://artificialanalysis.ai | Full Stack Engineer, ML Engineer, Member of Technical Staff | Onsite in San Francisco or in Australia/New Zealand | Competitive Salary + Equity

Artificial Analysis is an independent AI benchmarking and insights provider. We benchmark AI to help engineers and companies understand AI and make informed decisions regarding which AI technologies to use. We are fast growing with a team of 20 and have backing from investors including Nat Friedman, Daniel Gross & Andrew Ng.

We are hiring for four roles: 1. Full Stack Engineer: Full Stack Engineer to support our benchmarking of AI and with communicating these benchmarks to our users. Proficiency in Typescript & Python required. Familiarity with LLM APIs preferred. Tech stack: Javascript/Typescript, Node.js, React/Next.js, Python.

2. ML Engineer: ML Engineer to support our benchmarking and evaluation of AI software stack. You will design and run benchmarks and evaluations of different AI models. Strong analytical skills and proficiency in Python required.

3. Member of Technical Staff: You will design evaluations of different AI models and work to translate technical insights to analysis that helps companies navigate AI.

4. Product Manager (AI Media Generation): You'll work closely with us to develop and enhance our media generation (Image, Video, Speech, Music) arenas and leaderboards, contributing to product strategy and execution at the intersection of creativity and AI.

Apply at hiring (-at-) artificialanalysis.ai with your resume, github and dot points on relevant experience (including anything you've built). Add | HackerNews to email subject line.

Neon Health | AI agents in healthcare | Hiring: Eng, AI, Marketing, Sales | SF, Remote (North America)

* Senior Backend Engineer | SF, Remote (North America) | Full-time | $170k-225k + equity

* Applied AI Systems Engineer | SF, Remote (North America) | Full-time | $120k-180k + equity

* Growth Specialist | SF | Full-time | $105k–$137k + equity

* Head of Growth | SF | Full-time | $152k–$178k + equity

* Customer Success Manager | SF | Full time | $121k–$177k + equity

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We’re mission-driven capitalists: making life-saving drugs more accessible, and building a $200B+ company—on the scale of Palantir or ServiceNow—serving the largest healthcare enterprises.

Traction: profitable and growing fast. Selling 7+ figure contracts to enterprise healthcare customers.

Team: built by exited founders, YC & MIT alum, ex-Tesla, ex-Google engineers.

Top investors: funded by elite Silicon Valley VCs who've backed unicorns like DoorDash, Lyft, and Mammoth Biosciences. And strategic healthcare investors with deep industry connections.

Outsized impact & opportunity: work at the intersection of agentic AI, healthcare transformation, and life-changing patient outcomes.

If you want to work on a team of A-player athletes, doing the best work of your career, and helping get life-saving drugs to the people who need them, apply here: https://jobs.ashbyhq.com/neon-health (and make sure to mention HN!)

https://news.ycombinator.com/edit?id=45440683

Truetax | Senior/Staff Software Engineer - Elixir/Phoenix LiveView | San Francisco (Hybrid) or REMOTE (US) | Full-time

Truetax builds software to streamline government tax administration and make society more equitable. We're working with state and local governments to modernize their tax systems using GenAI agents and workflow automation.

We're looking for a Senior/Staff engineer who can ship fast while maintaining quality. You'll work directly with our co-founders (experienced entrepreneurs with multiple venture-backed exits) to design and build cutting-edge GenAI-powered systems.

If you're curious, self-motivated, and energized by complex government workflows, we'd love to hear from you.

For full details and to apply please visit: https://wellfound.com/l/2blyjj

Improving South America | REMOTE (LATAM) | Full-Time, - Data engineer Senior - Python SDK Developer - ML Engineer Senior + Databricks

Apply here: getonbrd.com/companies/improving - or follow us on LinkedIn

Crew Capable AI | Founding Engineer (Co-Founder Track) | Remote (US Based)

Automating order entry for mid-market manufacturers via AI. Working MVP, first enterprise contract pending ($500M company), entering implementation phase. Looking for employee #2 to own technical development and grow into co-founder.

What You'll Do: Build ERP/EDI integrations, implement LLM pipelines for document parsing and entity extraction, architect vector search/RAG for product catalog matching, own 90-day customer implementations, scale the platform.

Requirements: 3+ years full-stack (Python/React), experience with API integrations or ETL, comfortable with LLM orchestration, can work independently, genuinely interested in B2B operations.

Tech Stack: Next.js, TypeScript, Python, PostgreSQL, Gemini API, vector databases, AWS, ERP/EDI systems

Structure: hourly contractor (30-60 day trial) → co-founder equity if mutual fit.

Apply: Email is hidden - subject "HN Founding Engineer"

Stellar Science | Hybrid (USA) Albuquerque NM, Washington DC (Tysons VA), Dayton OH | Full time, interns/co-ops | U.S. citizenship required | https://www.stellarscience.com

Company: We're a small scientific software development company that develops custom scientific and engineering analysis applications in domains including: space situational awareness (monitoring the locations, health and status of on-orbit satellites), image simulation, high power microwave systems, modeling and simulation, laser systems modeling, AI/ML including physics-informed neural networks (PINN), human body thermoregulation, computer vision and image processing, high performance computing (HPC), computer aided design (CAD), and more. All exciting applications and no CRUD. We emphasize high quality code and lightweight processes that free software engineers to be productive.

Experience: Other than interns, we currently require a Bachelors degree in physics, engineering, math, computer science, or a related field, plus preferably 3+ years of work experience, or a Masters or PhD in lieu of work experience. (Roughly 25% of our staff have PhDs.)

Technologies: Mostly C++23, Qt 6.9, CMake, git, OpenGL, CUDA, Boost, Jenkins. Windows and Linux, msvc/gcc/clang/clangcl. AI/ML and analysis projects use Python and C++. Some projects use Java or Typescript/React.

Apply online at https://www.stellarscience.com/careers/.

Electric Hydrogen (eh2.com) is hiring a senior software engineer to work on full-stack applications and data pipelines that power our factory and commercial electrolysis plants through real-time and historical data applications. This is a hybrid position in San Jose, California.

https://eh2.com/careers/?gh_jid=4587712005

DuckDuckGo | Multiple Roles | Remote | Full-time | $178,500 - $320,000 USD + equity

We are looking for candidates that are excited to join us on a mission to raise the standard of trust online. All of our roles are fully-remote, except where specific locations are noted.

Most of the software engineering positions have been repeating here for years because we've been continually hiring for them, scaling our whole team to now over 300 people—many of those hires have come through Hacker News. We've been improving our hiring process over time, and we know some good candidates may have fallen through the cracks. Some people who tried in the past have had success going through it again, and we still pay for hiring projects.

Senior Backend Engineer - $178,500 USD + equity https://jobs.ashbyhq.com/duck-duck-go/abb953ee-5bb7-4637-9f6...

Senior Site Reliability Engineer - $178,500 USD + equity — https://jobs.ashbyhq.com/duck-duck-go/9f845ea5-4bdd-432a-826...

Senior Software Engineer, Windows Desktop App - $178,500 USD + equity — https://jobs.ashbyhq.com/duck-duck-go/47e569c6-f995-4955-a89...

Engineering Director, Browser Platform - $243,800 USD + equity https://jobs.ashbyhq.com/duck-duck-go/0541f1f3-4302-4b76-93a...

VP, Business Development - $320,000 USD + equity https://jobs.ashbyhq.com/duck-duck-go/276ae352-55b5-4fb2-9b9...

Director, Product Management - - $243,800 USD + equity https://jobs.ashbyhq.com/duck-duck-go/2a379a3e-ee10-45d2-927...

https://duckduckgo.com/careers