ReadWorks (YC-backed nonprofit - Imagine K12 F'14) | Senior Data Engineer | REMOTE (US Only) | Contract (up to 20hrs/week) | $70-110/hr

Building data infrastructure to support 11M+ students and teachers learning to read.

We're a nonprofit education platform providing free, research-based literacy resources to K-12 classrooms nationwide, with deep focus on under-resourced communities.

The role: Design and maintain ETL pipelines, ensure data quality across our warehouse and reporting stack, build data infrastructure that powers educational insights for millions.

Stack: SQL, Redshift, AWS (S3, DynamoDB, EC2, Firehose), Python, Linux. Bonus: Django, Elasticsearch, Kibana, Redis, Ruby, Node.js

We value: Mandatory testing, maintainable code, operational consistency (CI/CD, infrastructure as code, rigorous monitoring)

Impact: Your work directly supports teachers and students in under-resourced communities. 20+ years of proven results in engaging students and strengthening literacy instruction.

Apply: Email your details (CV/Resume, Cover Letter, or any other info we should know about you) to engineering at readworks.org

Full posting here: https://about.readworks.org/careers.html

Bubblehouse | Fully REMOTE | Full-Time | $200–250k | Principal Engineer

Bubblehouse is a fast-growing custom loyalty platform, tripling the revenue each year. Headquartered in NYC, the entire team is fully remote and spread across the globe. We power loyalty programs for brands like American Girl and Old Spice.

We’re expanding our lean team of extremely experienced developers. Companies are switching from other platforms thanks to the customizations and flexibility that we offer, enabled by our pace and technical excellence, which we intend to keep for years to come.

We run on Golang and use custom data storage on top of local key-value stores, colocating the storage and compute on dedicated hardware servers, and reading data directly from mmap’ed pages of the database. Ever came across HN saying that one can run Twitter on a single machine these days? We’re doing that in production.

Zero lines of React, almost zero third-party dependencies (carefully vetted), every line of JavaScript manually written with respect and understanding of the web platform. We render HTML server-side like it’s 2005.

Looking for:

1. Top to bottom understanding of the software stack, from the modern-ish web platform to CPU caches.

2. Thinking and problem solving outside the box. (We don’t _always_ go for unconventional solutions, but we do it often enough to require a person who can do justice considering the entire problem space at every step.)

3. Demonstrated ability and hunger to learn new things quickly. (Every month we’re doing things we have never done before.)

4. Broad experience across multiple programming paradigms, platforms and software stacks.

5. Demonstrated care for the software craftsmanship (which can take many forms).

6. Great spoken English, and ability to communicate 9am to noon in New York time zone.

We give you a literally fast-paced environment (with features delivered in days) where you need to solve very challenging problems with practical advanced technology, take on entrenched market leaders, and help entrepreneurs across small and large businesses delight their fans.

Send a plain text cover letter to andrey+hiring@bubblehouse.com. Help us see how you stand out. Summarize your experience. Link to 1–5 impressive things you’ve built and proud of, link to where we can see some of your code, include your portfolio/CV, describe the platforms and stacks you’re an expert in. How did you start programming? What are you most passionate about in technology? What are the most interesting or weird things you’ve done? What are your strongest held professional opinions? Please make your email easy to read, we’ll appreciate that.

(If you have applied before, no need to re-apply, we’ll reach out.)

Oils (https://oils.pub/) | Language Engineer / Debugger of Other People’s Cursed Shell Programs / Writer | REMOTE (non-US) | 50 euros/hour

Oils is our upgrade path from bash to a better language and runtime.

We’ve been awarded a 4th grant from https://nlnet.nl, and our focus is to show that OSH can be the ONLY shell on a Unix system, which is hard

It looks like we will reach this goal! Other than me, there are 4 people working PART TIME on this, and we can use more help.

If you like hunting down difficult bugs, and are skilled at Unix and Python, this could be a good fit.

Most bugs are too hard for 1 person to fix by themselves, so communication is important. And writing good test cases is important.

We’re also paying people to do polished writing, since we'd like to spread the word

Starting from 131, we’re down to 41 disagreements between OSH and sh/ash/bash, when building ~1600 packages in Alpine Linux

https://op.oils.pub/aports-build/published.html

Anyone who's not “scared” of these bugs is probably a good fit, and you can do as much or as little as you like. This is also an opportunity to get deeper into the interpreter

Communication happens on Zulip, and we also have video meetings approximately every 2 weeks

I'll have a blog post explaining this work soon, but feel free to e-mail me if this (unusual) job matches your interests. Any questions are very welcome, and you can dip your toes in to see if it works for you

I wrote this page a few years ago to help people assess the fit: https://github.com/oils-for-unix/oils/wiki/Where-Contributor...

The job is remote-only, and we slightly prefer non-US contributors due to our funding

Tech stack: Python, Shell, perhaps C++

Contact: andychup@gmail.com

  Location: Almaty, Kazakhstan
  Remote: Ok
  Willing to relocate: No
  Technologies: HTML/CSS/JavaScript, PHP, Bash, *nix, BSD, Windows Server
  Résumé/CV: https://frcdr.com/devops.html
  Email: me@frcdr.com

Hi! As a passionate engineer in the beginning of my career, I am actively seeking opportunities in software development and adjacent fields. My areas of expertise include: DevOps--to help you secure and scale your business, Full Stack Web Development--to bring more accessible services to people, Linguistics--to localize products for new markets. Technology is my lifelong field of interest, study and practice, with focus on web development, localization, user experience, security and systems engineering. As for my linguistic background, it helps me see more ways tech is being used internationally to let me account for much more perspectives with my solutions.

Avy | Staff Engineer / Startup Polyglot Engineer | San Francisco | Onsite (Hybrid) | Full-Time | https://www.avy.app

We are an early-stage, well-funded startup making humans and computers work together more efficiently. Experienced team from Apple AIML and other great companies.

We're looking for a polyglot "startup engineer" at the Staff+ level can help with the end-to-end implementation of new features and capabilities and who can move between different components, be creative, be flexible, take ownership, and get things done. We have a complex, challenging product, but one that's amazing to work on and that will soon change how people think about working with each other and with AI.

You'll enjoy this role if:

- You like going 0 to 1 with high ownership: moving features and products from idea on a napkin, to prototype, to engineering UI, to shipped and polished product

- You are innovative, get satisfaction out of learning new things, and thrive in an environment of uncertainty and opportunity

To succeed, you should:

- Have the wisdom to know when to take the fast route vs when to step back and clean up your mess

- Be capable and excel on your own, but be humble and communicate well with others as projects require more collaboration

- Be versed across many programming languages (e.g. from C++/Java/Swift to Go to JavaScript or Python)

- Have worked on many types of projects and software -- have you built servers, written games, shipped native apps, and vibe-coded (kidding) web apps? If so, you're a fit.

- Be versatile and work both high level and low level, on old tech and new. Have you both prompt-engineered an LLM AND tweaked the code that decodes tokens in your own local LLM runner? If so, you're a fit.

https://www.avy.app/careers.html?gh_jid=4007253009

Email us at jobs@avy.app

Jäntra Biosystems | Multiple Roles | San Francisco or Remote | Full-time | Salary + Equity

Jäntra Biosystems is revolutionizing protein structure prediction. We’re building AI models at the intersection of biology and computation. Join us as we unlock life’s molecular machinery.

Open Roles:

- AI Systems Engineer (C++ / CUDA / HPC)

- Structural Biologist / Bioinformatics Scientist (Cryo-EM / AlphaFold / Data Analysis)

What we’re looking for:

Engineers & scientists passionate about AI and biology. C++/CUDA expertise (AI Systems Engineer) or structural biology experience (Bioinformatics Scientist). Familiarity with HPC, GPU clusters, or structural prediction tools (AlphaFold, cryo-EM, etc.).

Why Jäntra: Competitive salary + equity San Francisco or remote Small, fast-moving team Work that matters: advance our understanding of life’s building blocks

Apply: https://jantra.ai/jobs.html email: hello@jantra.ai