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Ask HN: Who is hiring? (April 2026)

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Re: Ask HN: Who is hiring? (April 2026)

#231
Innolitics | Multiple Roles | Fully Remote | https://innolitics.com

We help companies develop medical AI and navigate the FDA's regulations. We're industry leaders in a niche, growing space.

Medical Device Software Engineer (https://innolitics.com/join/medical-device-software-engineer...)

Senior Web/Mobile Medical Device Engineer (https://innolitics.com/join/senior-web-mobile-medical-device...)

Senior Regulatory Affairs Specialist AI/ML SaMD (https://innolitics.com/join/senior-regulatory-affairs-specia...)

Physician-Scientist (MD or equivalent) – Biostatistics & ML Development for Medical Device AI (https://innolitics.com/join/physician-scientist-md-or-equiva...)

Checkout our website for lots of details about what we do.

Re: Ask HN: Who is hiring? (April 2026)

#232
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: Except for interns, we currently require a Bachelors degree in physics, engineering, math, computer science, or a related field. Masters or PhD is a plus. (Roughly 25% of our staff have PhDs.)

Technologies: Lots of 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++. Web projects use Java and Typescript/React.

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

Re: Ask HN: Who is hiring? (April 2026)

#234
post #130

AI x Healthcare Startup | Boston, MA Onsite | Full-time | Early Engineer We're looking for a backend-leaning fullstack dev. You will be one of the first engineers outside of the founding team. Here is a bit more about us: We're a seed stage AI startup backed by top tier investors. We're on a mission to ensure every patient gets covered for the care they need and every doctor gets paid for the work they do. We’re buil…

I love your mission. Alas, I am not able to work on site in your location. Hope you guys make it big!

Re: Ask HN: Who is hiring? (April 2026)

#235
Onton.com | Fullstack & Research Engineers | San Francisco, CA | Hybrid Join us in pioneering the future of e-commerce search. Growing rapidly.

We're a hard-working team of 10. We have an office in Jackson Square with a great view that we're looking to fill with other high-performance people!

Tech-wise, it's React/Typescript + Julia, if that's interesting (no worries if you haven't used it). We've also built our own graph and vector DB to cope with the scale, and the foundations of a neuro-symbolic AI agent that learns more about the world on every search!

Job posting and more information here → https://onton.com/careers

We read and respond to every application.

Re: Ask HN: Who is hiring? (April 2026)

#236
BackNine Insurance | Remote (US) or Westlake Village, CA | Full-time | https://back9ins.com

BackNine is a B2B2C insurtech platform that automates the insurance sales process. Thousands of companies—from brick-and-mortar agencies to publicly traded banks—use BackNine to quote, apply, and manage insurance online.

We’re looking for an engineer to own and expand our API integrations with external systems, especially CRMs (e.g., Salesforce, Applied Epic).

https://back9ins.com/careers

Re: Ask HN: Who is hiring? (April 2026)

#237
MixRank (YC S11) | Software Engineers | 100% REMOTE (Global) | Full-Time MixRank processes petabytes of data every month from web crawling. We have hundreds of customers using our data products including Google, Amazon, Facebook, Intel, and Adobe, across industries including Finance, Recruiting, Sales, Marketing, and Security. We’re a fully-remote company with a global footprint in over 20 countries. We're growing, profitable, employee-owned, no dependence on outside funding. Applicants from all geographies and backgrounds are welcome. We are looking for passionate individuals for whom programming is not just a job but it’s something they love to do. We're obsessed with computers, programming, big data, databases, compilers, hardware, math, data science, and the internet. Does this sound like you? Please apply to join our team. Our code base is very friendly to new contributors. You'll have a fully-functional development environment within hours (fully automated) and be pushing commits on your first day. Deployments to production happen multiple times per day and finish in less than 2 minutes. Effectively all of our codebase is written in Python, Rust, SQL, Javascript/TypeScript, and Nix. The core technologies you'll need familiarity with to be productive are Python, PostgreSQL, Linux, and Git. We operate at a larger scale than typical startups. We operate two datacenters with high performance servers we've built that are capable of dealing with the volumes of data we process. We've implemented our own distributed file system. We do full-scale web crawls. We download and perform static analysis on the entire universe of Android APKs and iOS IPAs that are published. Unlike a typical startup where you'll spend half of your time in meetings, and the other half fixing bugs from Jira tickets— at MixRank you'll get to challenge yourself with difficult technical problems that will help you to grow as an individual.

We're hiring continuously for the positions below— they aren't singular positions that will close once filled. Our philosophy on hiring is that the candidate is more important than the position. For each new member of the team, we design a custom role and responsibilities that are specialized to their interests. Other companies will come up with a long list of specific requirements for a position with the expectation that you'll exactly replace someone from the team, or that you'll be the perfect tetris piece that satisfies the job requirements decided by a committee. MixRank is more pragmatic: we'll first get excited about having a unique individual on the team, then we'll figure out the best way to accommodate their specific talents.

-- Junior Software Engineer - Remote (Global), Full-Time

We're looking for remote junior engineers that have 0-3 years of professional experience in software, and 5+ years of curiosity exploring computers, programming, and technical hobby projects. This is an open-ended entry role with mentorship and diverse opportunities to work on all areas of our product: databases, distributed systems, infrastructure and tooling, data analysis, machine learning, frontend/backend web development, APIs, data mining, data modeling, and more. To stand out, please highlight what makes you unique: passion for computing, curiosity and side projects, work ethic, niche research, etc.

Ideally you've already graduated, but if you still have one or more years left of school, please feel free to apply anyway, and if you're the right fit for the team we'll figure out a way to accommodate your schedule. https://www.ycombinator.com/companies/mixrank/jobs/Fnwsojk-j... --

Software Engineer - Remote (Global), Full-Time

We're hiring generalist software engineers to work on web applications, data mining, machine learning/data science, data transformation/ETL, data modeling, database scaling, infrastructure, devops, and more. We'll cater the role to whatever subset of these areas match your interests.

Beneficial experience includes PostgreSQL, Python, Rust, Linux, TypeScript, Nix, frontend/backend web development, and data mining.

https://www.ycombinator.com/companies/mixrank/jobs/RXQspen-s...

--

I’m Kiran, Chief of Staff (CoS) at MixRank, a fully remote data startup building go-to-market intelligence. We’re US-incorporated but hire globally, and we’re bringing on new teammates to join a fast-moving team with real ownership and impact.

Re: Ask HN: Who is hiring? (April 2026)

#238
Inventive.ai (YC S23) | Senior Fullstack Engineer | Mountain View, CA | Hybrid | AI for PreSales | Growing rapidly

Our mission is to build intelligence that helps B2B sales teams win deals. Our first product is a suite of AI agents for sales teams that helps create winning proposals and RFP responses for $1.4 Trillion dollar industry.

Our founding team is from Google Deepmind, Stanford, UC Berkeley, and IIT. We were part of Y-Combinator S2023.

JD | Apply: https://inventiv.notion.site/Senior-Full-Stack-Product-Engin...

Website: https://inventive.ai

Re: Ask HN: Who is hiring? (April 2026)

#239
Supabase | Customer Reliability Engineer (CRE) | Remote | Full-time | https://jobs.ashbyhq.com/supabase

Fully remote, fully async, fully open-source. A CRE is a point of contact available, both internally and externally, to advise on best practice. Normally, they are knowledgeable in a specific area (i.e. Realtime, Postgres) but they aim to be generalists on the platform as a whole. They do not have specific customers that they help; instead they get involved with deeper, longer-running cases to achieve an outcome.

Looking for more of a focused development role? Sure thing, we have many roles open!

Check out here: https://jobs.ashbyhq.com/supabase/26ad8432-a03e-40f9-a4cc-05...

Re: Ask HN: Who is hiring? (April 2026)

#240
Appear | Stockholm, Sweden (Hybrid) | Full-time | https://appear.net

Appear builds high-performance live media processing and video delivery infrastructure used by broadcasters, sports leagues, and streaming platforms worldwide. We focus on low-latency, high-throughput systems where reliability and performance are critical.

Role: Senior Software Engineer (Rust)

Tech stack: Rust, C/C++, distributed systems, Kubernetes, Linux, networking, media processing

What you'll do:

  - Build high-performance backend systems in Rust
  - Work on distributed media processing platforms
  - Improve reliability, observability, and performance
  - Help shape technical architecture
Looking for:

  - Strong experience with Rust, C, or C++
  - Experience with high-performance or distributed systems
  - Solid Linux and networking fundamentals
  - Senior-level engineering experience
Apply: https://nordictechjobs.com/jobs/Rw5OB5sISd
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