Wikimedia Foundation | Lead Product Manager, Security | REMOTE (US + 18 countries) | Full-time

I lead the security and safety team for Wikipedia, at the Wikimedia Foundation. I’m hiring a product manager to lead our security roadmap and steer our security engineering team.

It’s a high-pace, shipping-heavy time for the whole project right now, as we are dedicating ourselves to surviving all the ways AI is messing with us and the internet, and getting to the other side of it. I joined myself about a year ago, and have found it to be a great time and place to swing big and surprise people.

This is a PM role and PM background is certainly helpful, but it’s not strictly required (everyone has the first PM job at some point). A technical background and security expertise are a must for this role, so we’re also open to people in engineering roles, who have demonstrated PM-relevant skills and are interested in making a pivot.

You can apply at https://job-boards.greenhouse.io/wikimedia/jobs/8140060?gh_s... - we don’t auto-filter based on AI or anything like that, I will personally see your resume.

Sumble | Multiple Roles | Remote (US)| Full-time

Sumble is the newco from the founders of Kaggle. We are hiring full stack engineers, ai/ml engineers and growth/marketing. Can view our roles and apply here: https://sumble-inc.workable.com/

We are building a knowledge graph from web data with a first focus on data for go-to-market teams.

We use web data to identify things like org structure, tech stack, and key projects (e.g., GenAI initiatives, cloud migrations). Our product already has strong product-market fit, early revenue, and happy customers — and now we’re ready to accelerate.

Our long-term vision is to become the world's best data vendor. Try the product at sumble.com.

We are a team of 25 with experience at companies such as Google, Meta, Stack Overflow, Rippling, Snowflake, Confluent and Kaggle.

We raised $38.5MM from Coatue, Canaan, Square Peg Capital https://techcrunch.com/2025/10/22/sumble-emerges-from-stealt...

Aeolus | DevOps Engineer | San Francisco, CA (onsite) | Full-Time Aeolus is seeking an exceptional DevOps Engineer to take ownership of the cloud infrastructure and deployment systems that power our mission in applied atmospheric science.

In this role, you'll be the technical foundation our scientists, ML engineers, and software engineers build on. At the core of our efforts is an operational physical weather model written in Julia, executed on GPUs. Responsibilities include designing and operating cloud environments, deployment pipeliness and infrastructure-as-code that keep our systems reliable, scalable, and fast. Our ideal candidate has extensive experience in HPC environments with Slurm management.

Apply at https://www.aeolus.earth/careers/devops-engineer

Baton | San Francisco, CA (Hybrid) | Full-Time

Baton (baton.io) is Ryder's in-house product development group focused on harnessing emerging technologies to redefine transportation and logistics. With $10B in freight under management, our technology reaches every part of the U.S. economy. We design and ship category-defining software that enables Ryder and its 50,000+ customers—including some of the world's most well-known brands—to plan and execute freight intelligently, efficiently, and cost-effectively. Our work includes everything from customer-facing software to the data platform that will power the next era of innovation at Ryder.

Baton's mission: enable supply chain on autopilot.

Ryder acquired Baton in 2022 to power its next wave of digital products. We operate at startup speed, with Fortune 500 reach. If you have a passion for solving complex problems and creating impact for the engine of the American economy, you'll love it here.

Current openings at Baton:

* Senior Product Manager ($190,000 - $240,000): https://job-boards.greenhouse.io/baton/jobs/5210863007

* Software Engineer - Data Platform (hybrid, $162,000 - $216,000): https://grnh.se/8pm4cytg7us

* Software Engineer - Infrastructure, Data Platform (hybrid, $162,000 - $216,000): https://grnh.se/wb558ncz7us

* Staff Software Engineer - Infrastructure, Data Platform (hybrid, $260,000 - $350,000): https://grnh.se/55wbfa9g7us

* Senior Product Manager, Machine Learning (hybrid, $190,000 - $240,000): https://job-boards.greenhouse.io/baton/jobs/5215515007

* Senior Product Designer (hybrid, $140,000 - $190,000): https://grnh.se/bo7oe4uv7us

* Software Engineer, MLOps - Machine Learning (hybrid, $162,000 - $216,000): https://grnh.se/770pgzv17us

* Senior Software Engineer - Full Stack, Technical Lead (hybrid, $200,000 - $250,000): https://grnh.se/j8zrjo0k7us

Enrollment123 | https://e123insurtech.com | Staff Platform Engineer | REMOTE (US) | Full-time

We are SaaS platform that connects Insurance Carriers, Agencies and Agents, and enables sales to consumers.

My team is hiring a Staff Platform Engineer to keep things running smoothly and help our engineers modernize and build new products.

We are responsible for:

    - security for PCI and HIPAA data
    - AWS infrastructure that serves millions of people every month
    - developer tools and infrastructure to allow our teams to deliver
    - data engineering and operational support
    - automation, monitoring, and on-call rotations (especially during Open Enrollment!)

Our stacks include:

    (70% --) SQL Server + ColdFusion
    (25% ++) Postgres + node/typescript
    (5%) Airflow + python

It's not a flashy product or stack I'll admit, but we have a lot of opportunities to improve the product and a lot of growth potential to expand our impact. Happy to tell you more!

If you're interested, email me at jjay+orangesite@enrollment123.com with your honest, hand-written resume. I don't want some super polished AI bullshit, show me your real experience! The interview process is hopefully short and sweet: 1) meet with me for a quick intro to ensure we'll be a good mutual fit, 2) advance to a technical interview with the team, then 3) a last culture + company info session so you have all the info to make a decision.

Sorry, given our industry and size, you must be in the US and able to work without visa sponsorship.

Apex Space | Multiple Roles | Full-Time | Onsite | Los Angeles, CA | apexspace.com

Apex Space is building standardized spacecraft platforms to enable true mass-production of spacecraft and enabling getting varied and similarly mass-produced payloads to orbit.

We're hiring everything from technicians to product/project managers and supply chain to all sorts of engineers: thermal, mechanical, mechanisms, solar, optical, power systems, electronics/avionics, PCB, embedded software, ground software, devops, and more.

You can apply at https://www.apexspace.com/careers. Or, email me with a resume at maabonnet [at] gmail [dot] com, and I'll see if I can get you a direct referral link so that you get a call with a recruiter ASAP if you're a particularly good fit.

NOTE: Due to federal law, you must be a US person (citizen, green card holder, some other classifications) to work at Apex Space. Please state your residency or citizenship status in your email. If you are not a US person, I can't help you.

Findigs | Full-time | NYC | 3x/week in office (M,T, Th) | findigs.com

At Findigs, we’re transforming the rental experience — making it fairer, stress-free, and more convenient by changing the fundamentals of renting.

We build high-scale applications that streamline renting for millions. Our modern tech stack includes Python, Django, Typescript, React, and scalable cloud infrastructure.

We foster a collaborative culture where engineers have high ownership and autonomy, taking features from concept to deployment.

Join our sharp, supportive, and mission-driven team in our NoHo office.

Open roles:

Lead Software Engineer (https://jobs.lever.co/findigs/1ea92751-1c85-4eb6-84b4-86c529...)

Senior Software Engineer (https://jobs.lever.co/findigs/3b39616d-223f-4326-a500-f804c3...)

Competitive Base Salary plus Pre-IPO Equity

401k Matching up to 4%

Unlimited PTO

Lunch in office every day, home office setup stipend, monthly gym stipend

Steg.AI | Machine Learning Engineer | Irvine, CA (Onsite) | Full Time

Steg.AI develops AI-powered watermarking technology to protect and authenticate digital media. Our invisible watermarks are imperceptible to humans but robustly detectable by our proprietary models. Founded in 2019, we're an NSF- and investor-backed startup in Orange County, CA, with a team of 6 PhDs in computer vision.

We're hiring a Machine Learning Engineer to help push the frontier of AI for watermarking, steganography, and media provenance. You'll take state-of-the-art steganography models and own their journey to production — optimizing and deploying them on desktop and cloud platforms, serving as the link between research and customer-facing products.

Responsibilities: productionize novel steganography models, build inference pipelines, integrate models into cloud platforms, benchmark performance, and turn research into maintainable production code.

Required: PyTorch, ONNX export, experience deploying deep learning models to the cloud, Python and C/C++, strong cross-team communication.

Bonus: background in steganography/watermarking/media provenance, video/image codecs, MLOps tooling, CV/ML publications or open-source contributions.

To apply, send your resume to careers@steg.ai

Conductor | San Francisco, ONSITE | Full-time

Conductor lets builders run teams of coding agents. We're a small team, we recently announced our $22m Series A, and we're looking for exceptional software engineers and designers to join us.

https://www.conductor.build/join-us

Beacon AI builds intelligent systems that make aviation safer and more autonomous. We’ve completed multiple DoD programs and are expanding our team with exceptional technical leaders to push the boundaries of human-machine collaboration in the cockpit. At Beacon, you will lead by example, mentoring and growing a small team of talented engineers (typically 1–2 to start) while staying hands-on in design and execution. You’ll help shape critical systems that advance aviation safety and autonomy, working alongside a team that values effort, creativity, and accountability.

We’re hiring Senior/Lead Engineers with 5+ YOE who love solving complex problems. At Beacon, you’ll own your work end-to-end, from prototype to deployment, and literally see your code take flight in real world aviation environments! Roles:

++ iOS Engineer [Tech Stack: Swift, SwiftUI, UIKit, Mapbox]

++ Senior Security Engineer [SIEM, IDS/IPS, vulnerability scanning, encryption]

++ Infra/Backend Engineer [Tech Stack: AWS]

++ WebApp/FrontEnd Engineer [Tech Stack: Python, Typescript, React]

++ Lead Autonomy/Robotics Engineer [Tech Stack: C++, Python, iOT]

Join us at beaconai.co/careers. Mention in the application that you saw our post on HN.

This is a hybrid role based in San Carlos, CA, with 3+ days per week onsite and the option to work remotely on remaining days.

Due to U.S. export control regulations, we can only hire U.S. Persons (U.S. citizens, Green Card holders, lawful permanent residents, or individuals granted asylum or refugee status).

WorkHero https://workhero.pro | Senior SWE, AI Automation Engr, Senior PM | REMOTE (US+INTL for eng, US for product & automations)

WorkHero is building the AI-powered back office for the skilled trades, starting with HVAC. Small contractors spend their nights on rebates, permits, equipment registrations, billing, and collections. We pair dedicated office managers with AI agents that take this work over end to end. We are expanding our product and engineering organization - looking for talented engineers, product managers, and builders who are excited to rethink the back office for small businesses!

- Senior Software Engineer, AI Full Stack: ship AI-native React experiences and the Node services and agent workflows behind them. https://www.workhero.pro/careers?ashby_jid=89aac721-3aa3-4ae...

- Senior Software Engineer, Voice AI & Data Infrastructure: own our real-time voice agents and data pipelines https://www.workhero.pro/careers?ashby_jid=8f45a29d-bdae-457...

- AI Automation Engineer: turn the workflows of small HVAC businesses into AI-powered automations https://www.workhero.pro/careers?ashby_jid=2b76354a-1012-476...

- Senior Product Manager, AI Agents: own the agents at the core of the product end to end, from how their prompts, tools, and knowledge cohere into one experience through the evals that prove they accomplish the user's goal. https://www.workhero.pro/careers?ashby_jid=5fca94a0-7705-42f...

All roles require working hours that overlap with 11am-3pm ET.

Yahoo! Search | Engineering Managers, Machine Learning Engineers (Senior, Staff) | US, Canada Remote | Full-time

Our group at Yahoo! Search runs the platform that powers AI chat across Yahoo properties (Finance, Sports, News, Search, etc.) as well as our new AI search surface https://scout.yahoo.com/. Lots of fun problems to work on building a high quality grounding data search engine, agentic chat, and our internal knowledge graph -- all at scale with real users.

We are a fully distributed team but work on US time zones. Working environment is somewhere between big tech and startup world, so experience with both would be ideal.

If you're interested, send me your resume at sam.brotherton [at] yahooinc [dot] com

ODK | Senior Product Manager | Remote (Worldwide) | Long-term contract, 30–40 hours/week | $90–$110/hour USD

ODK is an open-source platform used by thousands of organizations worldwide to collect billions of data points for disease surveillance, supply chain traceability, environmental monitoring, and more. It enables users to build powerful forms and reliably collect structured data, even in places with little or no Internet connectivity.

ODK has been actively developed for 18 years. We have a mix of self-hosted and SaaS users across many sectors. We're looking for a senior product manager who will own product discovery and prioritization across this diverse user base. To be successful, you'll need to find the common needs behind very different workflows and turn them into opinionated product improvements.

Because the team is small and the user base is large, this is a high-autonomy role where product decisions have an unusually direct impact. You should have substantial experience managing complex B2B or technical products. Experience with open source, self-hosted software, and small, fully remote teams is a plus.

Details and application: https://getodk.org/about/jobs/senior-product-manager

Mechanize | San Francisco, CA (Onsite) | Junior SWE ($300k + equity + bonus), SWE ($350k + equity + bonus), Research Engineer, Alignment ($300k-$400k + equity + bonus)

Applying takes <2 min: https://www.mechanize.work/apply/

We build environments that frontier AI labs use to train their models to do real-world software engineering. We have more demand than we can keep up with, so we're hiring fast.

Pomelo Care| Remote (US) First with offices in NYC and SF. We’re building a healthier future for women and children. We combine clinical excellence, human connection, and proactive technology to ensure our patients get the care they deserve, from preconception through midlife.

- Staff Software Engineer, Patient Experience: Fullstack tech lead for our patient mobile/web apps. Stack: Expo, React Native, TypeScript, Kotlin. Apply Here: https://grnh.se/k4xos2c24us

- Senior/Staff Security Engineer: A builder-first role focused on shipping secure-by-default tooling and guardrails, not managing compliance tickets. Stack: Kotlin, Python, GCP.

Apply here: https://grnh.se/jm9kjyz34us

- Principal Product Manager, Patient Growth: Data-fluent PM to own full-funnel acquisition and retention.

Apply here: https://grnh.se/iayapr1c4us

Starbridge | Senior AI Engineer and Senior Product Engineer | NYC or Remote | Full-time |

https://starbridge.ai/ Starbridge is building an AI platform that turns large-scale public and enterprise data into reliable sales insights. We are early, moving fast, and building from zero to one, so this role will have huge ownership and product impact.

AI Engineer: Applied AI plus strong software engineering. You will build, evaluate, and deploy LLM-driven features like deep document analysis and interactive chat, working with models from OpenAI, Anthropic, and Gemini. Expect hands-on Python, ML system design, experimentation, and production reliability. Bonus for RAG depth and frameworks like LangChain, LlamaIndex, or Hugging Face.

Product Engineer: (React/Typescript) who would work closely with product and design to build user-facing parts of the platform. You will craft performant, stable frontends that explain technical concepts to non-technical users and help us iterate fast based on customer feedback.

We're looking to build our in-person team in NYC but also open to remote!

Apply: https://starbridge.ai/careers and mention HackerNews or email recruiting@starbridge.ai with your resume.

Vistulo | Fully REMOTE (Poland or Romanian residents only) | B2B contract | US Eastern timezone overlap required

Vistulo is a boutique outsourcing company based in Poland. We specialize in expert-level talent for financial institutions. All roles are for work with a top North American banking client.

All roles are 100% remote, B2B contract, rates are net + VAT in PLN, long-term.

Senior Java Trading Systems Engineer — 270–300 zł/hr — equities & FX, algo order management and routing, low-latency core Java — https://ats.vistulo.com/roles/253cbd69-1019-4547-93b6-6ef8db...

Senior React Frontend Developer (Fixed Income) — 220–250 zł/hr — React/TypeScript/OpenFin desktop trading apps — https://ats.vistulo.com/roles/1f5cb00f-791b-4491-a189-32a272...

Java Backend Engineer — 220–240 zł/hr — high-throughput trading backend, event-driven distributed systems, 6+ yrs — https://ats.vistulo.com/roles/64866447-8224-49ab-b655-5c2f89...

Business Analyst / Product Owner — Murex — 200–240 zł/hr — Murex config, integration or MXtest; FX, payments, SWIFT — https://ats.vistulo.com/roles/49e20bfe-7453-4ffa-bfe8-8b2799...

All open roles: https://ats.vistulo.com/roles/hn/

Spade | Multiple Engineering, AI/ML Data Science, and Revenue Roles | ONSITE NYC or REMOTE (US/Can) | $170-240K + equity

Spade is the data and AI platform for modern finance. We take messy transaction data and turn it into structured, verified records — with a platform, models, and tooling that help our customers use it everywhere it matters.

We're looking for extraordinary builders to play a foundational role in a company designed for scale:

  - Senior Platform Security Engineer

  - Backend Engineer (Mid Level)

  - Data Scientist - AI/ML (Mid & Sr Levels)

  - Product Performance Analyst 

  - Account Executive - Enterprise

  - Account Manager - Enterprise

We're well-funded by top investors (YC/a16z/OAK), and known for building intentional, inclusive culture. We offer competitive compensation (salary + equity) and comprehensive benefits.

If interested, please apply here (https://spade.com/careers/) and mention this post.

PlantingSpace | Full-time | Remote (EU time zone) + Quarterly Meet-ups | https://planting.space

We're building a system that represents domain knowledge as modular probabilistic models — making analysis rigorous and transparent. Users can connect these models flexibly into larger structures. The system enforces consistency across them, and propagates uncertainty through each step. Our first applications are in finance and scientific research, with use cases ranging from equity valuation and distress monitoring, to particle physics.

We're hiring for the following openings:

* Engineering Program Lead

* Backend Software Engineer

* Quantitative Modelling Engineer

* Bayesian Software Engineer

* Program Synthesis Engineer

* Analytic Learning Algorithm Researcher

* Product Managers and Business Development

* Domain Experts - Valuation, Quantitative Default-Probability, or Interest Rate Prediction Models: to collaborate on use cases, from opportunity validation through production

We’ve recently released a series of recordings from one of our quarterly team retreats, to share a look into how we work, and some of the technical problems we’re solving. A few team members sat down and talked through these topics, unscripted, and real. If you consider applying to join us, they offer a glimpse into our culture, and what working with us is really like. Watch the series on YouTube » https://www.youtube.com/@plantingspace9225/videos

Find out more, and apply at: https://planting.space/joinus/

Please normalize 4DWW - Four Day Work Week

Whoever posts this monthly, please include the tag in your description. Employers need to know this is an in-demand feature we want. I for one will not be taking any non-4DWW jobs.