BetterBrain | QA Engineer | Remote (for exceptionally qualified candidates)

About BetterBrain

BetterBrain (https://www.betterbrain.com) leads in dementia prevention with a comprehensive platform for cognitive health.

Role Overview

Join our rapidly growing team as a QA Engineer. You will be crucial in ensuring the quality, reliability, and performance of our platform, playing a key role in a high-growth startup building innovative health solutions, including AI features.

Key Responsibilities

Design and execute test plans and test cases (manual and automated). Identify, document, and track software bugs. Collaborate with development and product teams on quality. Contribute to test automation efforts.

Requirements

4-5+ years QA or software testing experience. Proven experience in high-growth startups. Experience testing web applications, APIs, and potentially AI/ML features. Familiarity with QA tools (bug tracking, test case management, automation frameworks). Excellent attention to detail and problem-solving skills.

How to Apply

Email Email is hidden with the subject "HN Hiring - QA Engineer". Include your resume and a brief statement on why you're a good fit.

No staffing/talent agencies.

Onja | Front end Course Designer & Back end Course Designer & Full stack Course Designer| Full-Time | ONSITE - Madagascar

Looking to join a social-impact driven company? Are you a software developer ready to use your skills for good?

Onja trains underprivileged youth into world-class software developers. We are on the lookout for Course Designers who can help our students go from ‘what is coding’ to working in Global tech teams.

Help build a scalable course that will help train Madagascar’s brightest young people, while working alongside a team of talented, fun colleagues from all over Madagascar and the world.

Please apply through the following links: Full stack Course Designer: https://onja.org/careers/full-stack-course-designer Front end Course Designer: https://onja.org/careers/front-end-course-designer Back end Node.js Course Designer: https://onja.org/careers/back-end-node.js-course-designer

Railtown AI | ONSITE (Vancouver, BC) | Full-Time | .NET + Python ML Engineers

Railtown AI (https://railtown.ai) is building AI-powered tools that help developers identify, understand, and resolve production issues faster. We focus on root cause analysis that helps engineering teams ship with confidence.

We’re hiring:

- Senior Software Engineers — experience with building and shipping production-grade .NET web applications and APIs. - ML Engineers — strong background in Python and experience building and deploying ML applications in real-world environments.

This is an on-site remote hybrid role in Vancouver, BC.

Our stack: Azure, .NET, SQL Server, React, TypeScript, Python.

If you're excited about building tools for developers and working in a focused, collaborative environment — we'd love to meet you!

Apply at https://railtown.ai/careers

Location: India Remote: Yes

Willing to relocate: No

Technologies: React Native, Android (Java/Kotlin), TypeScript, full-stack web development

Résumé/CV: https://rizvan.work

Email: Email is hidden

Mobile & Full Stack Engineer with 12 years of experience specializing in high-quality mobile applications and cross-platform solutions. Strong focus on performance optimization, clean architecture, and complex state management.

Thunder Compute (YC S24) | Core C++ Systems Developer | SF, NYC, Atlanta | Full-time | https://www.thundercompute.com/

Thunder Compute is a YC-backed seed stage startup building the world's cheapest GPU cloud. We have built a proprietary virtualization stack from scratch that improves GPU utilization by 5x.

We are hiring our fourth team member, a C++ developer with a talent for systems thinking and experience optimizing performance of latency-sensitive production systems. This is a rare opportunity to work on hard, research-esque systems problems in a startup setting. The role:

[1] Founding C++ Systems Developer: https://www.ycombinator.com/companies/thunder-compute/jobs/6...

You can reach me with questions at Email is hidden, please mention HN in the subject!

LiveKit | Remote | Full-Time | Livekit.io | VoiceAI | webRTC | Real-time communications | AI At LiveKit, we build open-source APIs to power the future of computing. We are a company of engineers building software stacks for other engineers.

Hiring: >>Infrastructure Engineer: https://jobs.ashbyhq.com/livekit/cc4d5e84-d6a5-4924-825b-7e9... >>Infrastructure Engineer: https://jobs.ashbyhq.com/livekit/cc4d5e84-d6a5-4924-825b-7e9... >>Infrastructure Engineer: https://jobs.ashbyhq.com/livekit/cc4d5e84-d6a5-4924-825b-7e9...

We have other roles open as well but really are prioritizing looking for the best, most awesome infrastructure engineer you know!!!!

What we are looking for: >Passion for building something truly impactful >>Remote company, first principles, global presence!

cofounders: Russ D'sa, CEO and cofounder: https://www.linkedin.com/in/russelldsa/ David Zhao, CTO and cofounder: https://www.linkedin.com/in/davidzhao/

Hiring for full stack engineer - REMOTE - https://groas.ai

Hedge fund like cash comp structure, typescript stack - https://www.linkedin.com/jobs/view/4221291088/

For better chances drop me an email with your CV and Github link, no cover letter required: Email is hidden

Office Hours | Software Engineer, Senior/Staff Software Engineer | SF, NYC, or Remote (US) | https://officehours.com

Office Hours is a consulting platform and marketplace.

We help businesses connect with experts to make better decisions and make it easy for experts to get paid to share what they know.

At first glance, it seems like a simple marketplace: search, match, connect, and pay. But underneath the hood, there are fun and interesting engineering challenges.

- Search & Discovery: Instantly surfacing the right experts

- Workflow Automation: Using AI to streamline complex, multi-step processes

- Data & Recommendations: Building a knowledge graph from scratch to power better insights

- Performance & Scaling: Ensuring speed, reliability, and scalability as we grow

We’re a small, high-caliber team that values quality, curiosity, and collaboration. If you’re excited about building thoughtful user experiences and high-quality software, you can apply below—we’d love to chat!

Open roles:

- Senior backend engineer (6+ years): https://job-boards.greenhouse.io/officehours/jobs/4459251008

- Full-stack product engineer (3+ years): https://job-boards.greenhouse.io/officehours/jobs/4572836008

P.S. Let us know in the application that you found us on HN. It helps separate signal from noise.

b.well | https://www.icanbwell.com | Fully Remote | Sr. Sre

b.well is on a mission to change the healthcare industry by empowering patients with their data to make informed decisions. We have partnered with some of the largest tech companies, pharmacies, health systems and insurers to ensure patient right of access to their data so patients and their health care providers can make better informed decisions about their health. We are building the first interconnected health network and we want you to join us to change healthcare for the better!

Job Description

As a Senior Site Reliability Engineer you will be tasked with making sure we build a reliable, secure and efficient platform for the b. Well network. You will be encouraged to blog, speak, and join events to talk about the work you are doing and encourage other companies to follow our lead. We will build solutions to delight our customers, employees and business. This role will also focus heavily on automation as it is a core value to our business from reliability to scaling.

What you will do:

- Let the robots do the work! We want you to focus on automating everything from building infrastructure, monitoring and disaster recovery

- Python, Rust, Go Go Go. Whatever you are comfortable in programming/scripting in we just want to see you deliver

- Love Penguins? We do too, whatever your flavor of Linux is bring your deep technical experience to the team

- New Platform, who dis? Build new solutions that enable our business and pass the knowledge on to your peers

- Like the Eye of Sauron you will monitor our infrastructure for anomalies and issues

- Code is for building solutions, not in how you communicate. Work well with your peers and communicate clearly so they understand the WHY behind what we do

- Must feed, water and provide high fidelity low friction platform solutions to engineers to keep them happy

- Write the ancient artifacts of documentation so your peers know how things work in the environment and write policies/procedures that make sense for the business

- Pass on your knowledge and wisdom to your other team members

- You like reading about the latest technology and trying it out? Come get paid for it!

https://www.icanbwell.com/careers/?gnk=job&gni=8a7885ac958c3...

Comp Range: $153,000 - $190,000 per year

Coder | https://coder.com/ | Multiple roles | Multiple locations | Full-time unless specified otherwise

Coder is on a mission to build enterprise software that makes software developers’ lives easier and keeps them in flow. Our cloud development environment enables customers to securely spin up ephemeral workspaces where developers and AI coding agents can do real work together. Across our open-source portfolio, we have over 95,000 GitHub stars and support developers at leading enterprises like Discord, Square, and Mercedes-Benz. We are a remote-first company with offices in San Francisco, Austin, and London. This is what we have open currently, with more to come later in May.

[1] Senior Software Engineer, back-end Go, multiple openings (US/Canada, Remote)

[2] Senior Software Engineer, back-end Go, multiple openings (Poland, Remote)

[3] Staff Software Engineer (Front-end), TypeScript/React (Poland, Remote)

[5] Software Engineer (Contractor), TypeScript heavy (US/Canada, Remote)

[6] Senior Customer Support Engineer (Australia)

[7] Product Operations Engineer (US)

Careers page w/ more information + salary bands: https://coder.com/careers?utm_source=o2n5ew72wd

I support all recruiting for our global team, you can reach me directly with any questions at Email is hidden.