My name is Marius and I am the CTO at AREO (https://goareo.com/).
AREO, founded in January 2023 by a team with 20+ years of combined experience in retail and startups, is a young startup specializing in developing innovative solutions for supermarkets and grocery retail stores.
Our cutting-edge B2B SaaS platform optimizes workflows for employees by providing real-time access to inventory, product information, and customer inquiries. We serve large supermarket chains in Germany and across the EU.
About a year ago we brought a backend developer on board through "HN - Who is hiring" and are now seeking a Lead Product Engineer / Engineering Manager with a minimum of 8 years of experience (preferably in startups) as we just closed another large contract with a major retail chain and are growing quickly.
For both the Product Engineer and the Engineering Manager role professional knowledge of German is highly preferred.
If you're passionate about building innovative retail products from scratch, these roles are for you.
Backend Stack: Ruby / Rails (8.x), StimulusJS / Hotwire / Turbo, AlpineJS, Postgres, Docker, DigitalOcean, OpenAPI, LLMs
Perks: Fully remote roles (Europe), work where you are most productive, sizeable equity in a rapidly growing company, flat hierarchies, no-ego work environment, work in a lean but highly experienced team
Apply here: marius[at]goareo.com and mention “HN - Who is hiring?” and the role you are applying for in the subject.
Perry Street Software publishes Jack'd and SCRUFF, two of the world's largest LGBTQ+ dating apps on iOS and Android, is hiring a Senior Ruby Developer
Our brands reach more than 30 million members worldwide, so members can connect, meet and express themselves on a platform that prioritizes privacy, security, and community. As a Senior Ruby Developer, you will help build our Ruby API powering our family of LGBTQ+ mobile dating apps. We are looking for engineers who are passionate about architecture and monads! Ok just kidding about the last part -- but you can see more about our approach to API development in our Medium blog series at https://medium.com/perry-street-software-engineering/clean-a.... The position is 40 hours per week and ongoing/full-time.
Please mention Hacker news in your cover letter.
I'm Mark, the technical co-founder and CTO at Goody. We're building a gifting product that every business can use to recognize employees, retain customers, and accelerate sales. Despite being something everyone does, gifting is one of the areas of commerce yet to be disrupted, and we're working on building the best and most delightful product in this space.
Our product is used by Google, Stripe, Anthropic, Meta, NBCUniversal, Notion, and others, and we also offer a developer API for commerce. Tech stack is Ruby + React + TypeScript, though we're flexible on backend language if you know Python or Node.js better. All roles are full-stack.
We're coming off of a big year and planning for scale in 2026 with openings in our engineering team.
• Staff Software Engineer ($200–250K) — for those who ship at a startup pace and have a great eye for detail
• Senior Software Engineer, Customer Engineering ($150–200K) — if you like to hear a customer request in the morning and tell them it’s shipped in the afternoon
• Senior Software Engineer, Growth ($150–200K) — be the engineer who has the most direct impact on our growth
We're looking for people who have great startup energy, want to win, and bring great vibes to our tight-knit team.
We're building a conversational revenue system for eCommerce — think AI + automation that actually drives sales over WhatsApp/SMS, not just dashboards.
Small team, product-first, moving fast.
Stack: Ruby on Rails, JS, Postgres, real-time + messaging infra Work: automation engine (“playbooks”), AI-assisted flows, scaling data + messaging systems
Looking for strong full-stack engineers who:
- ship fast and care about product
- are comfortable owning things end-to-end
- have solid Rails experience
Apply: https://applicantai.com/hellotext/senior-full-stack-ruby-on-...
We're a well funded Series A company and [backed by a16z, Scale venture partners and founders of Cloudflare, DigitalOcean and Segment]. The company is between 50-75 people today and scaling up quickly.
We're headquartered in NYC but US-remote friendly (sorry, we can't handle international at this time).
Website: https://vantage.sh/ Learn More: https://www.vantage.sh/careers
ReadWorks is a nonprofit that provides free, research-based reading comprehension resources to 11M+ K–12 students and teachers — focused on under-resourced communities.
We're looking for a Senior Data Engineer to help us design and build a scalable, event-driven data pipeline. You'll be a key technical voice in shaping our data infrastructure — evaluating tradeoffs, establishing patterns, and guiding migration from our legacy system to a modern data architecture.
Stack: Python, AWS Lambda, DynamoDB, S3, SQS, Redshift, EventBridge, AWS CDK
You're a good fit if you have:
- Experience designing event-driven ETL pipelines at scale - Data warehouse experience (Redshift or similar) - Comfort working with and debugging distributed data systems - Nice to have: Ruby (to read the legacy jobs you're replacing)
Apply: Email your details (CV/Resume, Cover Letter, or any other info we should know about you) to engineering at readworks.org
More details about ReadWorks: https://about.readworks.org/ More about the role: https://about.readworks.org/careers.html
We're a Dental Support Organization running 59 practices across TX/OK/CO/MO/IA/NE/TN/AZ. The unsexy industry description hides what's actually an interesting technical role: a small dev team with real ownership, pushing hard on automation and AI to make dental operations actually work well.
Stack is primarily Rails 7.1 (Hotwire+Stimulus.js), with some React/Electron, C# .NET (OpenDental), and tiny bit of Go — all on AWS.
You'd be joining a tight team where developers own problems end-to-end: from understanding why a billing workflow breaks down, to designing the fix, to shipping it. The domain is surprisingly broad — patient communication, PMS integration, payroll, clinical workflows — and there's no shortage of genuinely novel problems once you learn the business.
Good fit if you like: stable company, small team, broad latitude, and work that visibly matters to the people using it. Not a fit if you need a large eng org — but there's plenty of greenfield work as we're still actively building new features, not just maintaining legacy code.
Drop me a line: dhanson [at] apexdp.com
Rootly is the AI-native incident management platform. We build the on-call, incident response, and AI SRE tools that engineering teams at NVIDIA, Figma, Canva, Squarespace, Superhuman, and thousands more use when things go wrong. Slack/Teams-native, end-to-end incident management platform.
We're actively hiring across:
* Senior Software Engineer – Rails/Ruby backend, own features end-to-end
* Senior AI Engineer – LLM engineering and AI agent development
* Senior SRE – Early SRE hire, own our infra end-to-end
* Senior Solutions Engineer – APIs, Terraform, customer-facing technical depth
* Enterprise Account Executive – full sales cycle, North America * Mid-Market Account Executive – sourcing + closing, presenting to eng execs
* Head of Platform Engineering – infra leadership, reliability, dev experience
* Customer Success Manager – onboarding, retention, product partnership
Full benefits: medical/dental/vision (fully covered), flexible PTO, meaningful equity, 401(k) match, annual home office stipend, top-tier hardware, unlimited tokens.
We do make exceptions and hire remote across the US, Canada — timezone flexibility matters more than location.
Details + apply: https://rootly.com/careers
Happy to answer questions here.
Assembly is a vertically-integrated, technology-native holding company that acquires industrial real estate. We take an AI-native approach across the full surface area of our business; data-based geography selection, owner outreach, due diligence, deal structuring / scenario analysis, property & tenant management, and more. Our intention is to build one of the largest real estate companies in the world, and to be the most technology-native real estate owner in history.
We are hiring a Founding Engineer (Full-Stack) to design and build our proprietary technology stack from inception. You will own the development of our tech stack and have significant autonomy to build. Experience with Python, React / TS, LLM APIs, data pipelines, Ruby, Ruby on Rails, web scraping and entity resolution are relevant.
Cash compensation of $250K - $350K with meaningful equity compensation as the Founding Engineer of a new business.
To apply, please reach out to swc[at]assemblygh.com.
Aha! is the #1 tool for product managers to plan strategy and roadmaps. We serve more than 700,000 users worldwide. We are looking for:
* Experienced full-stack Rails and security engineers to work on the Aha! product. Our application is built in Ruby on Rails, with React on the frontend for rich client-side experiences.
* Devops engineers with Ruby experience. We focus on the "dev" and all of our operations driven by code.
Aha! is profitable, you can work from anywhere in North or South America, and we offer excellent benefits. We use our own product to manage our work (which is especially rewarding) and we deploy continuously.
Our entire team has always been 100% remote - in North American timezones so we can collaborate during the work day.
Role: Fully own our engineering and infrastructure teams, keep FetLife fast and reliable for over 12 million members, and free the rest of the leadership team to focus on product and growth.
How to Apply: Email jointheteam+hoei+hn@fetlife.com with a brief introduction, tell us about the impact you have personally made on an engineering or infrastructure team you have led, and LinkedIn or resume (PDF).
--- FetLife | Senior DevOps Engineer | Full-Time | Remote | 115k - 180k USD - https://fetlife.com/jobs/devops-engineer
Role: Develop and implement infrastructure upgrades, database tuning, Kubernetes and Helm orchestration, monitoring, and security. Help maintain and improve our large-scale Rails monolith, including CI/CD. Participate in on-call rotation and help automate daily DevOps tasks.
How to apply: Email jointheteam+do+hn@fetlife.com with a brief introduction, 2–3 favorite projects, GitHub/GitLab link, and LinkedIn profile or resume (PDF).
---
Stack: MySQL/PostgreSQL, ScyllaDB, Redis, ElasticSearch, Terraform, Google Cloud, DataDog and more.
Applications: Rails, Vue.js/Typescript, Rust
Perks: Paid time off (2 weeks vacation, 5 statutory holidays, 2 weeks at Christmas, 4-day summer workweeks), annual company retreat, anniversary gift ($200/year), monthly music subscription reimbursement, fully paid maternity & paternity leave.