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Ask HN: Who is hiring? (April 2026)

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

#21
Anduril Industries | mid/Sr/Staff Full Stack Software Engineers, ArsenalOS Team | Costa Mesa, CA ideally, (would consider remote with travel) | JavaScript/TypeScript, React, Node/Next.js, PostgreSQL

Anduril's ArsenalOS handles all receipt, manufacturing, deployment and maintenance of all Anduril hardware that is shipped to our customers. We are looking for a Full Stack Senior Software Engineer to join the ArsenalOS team. As a Full Stack Senior Software Engineer on ArsenalOS you will be architecting and implementing mission-critical solutions that enforce lean business process, add multiplicative leverage to Anduril employees, and scale Anduril into a next-generation defense prime.

WHAT YOU’LL DO: -Own and deliver features for Forge, Anduril’s production platform. -Level up our team’s applications through quality code contribution and writing tests. -Leverage frontier AI tooling for development, and contribute to our local Forge harness. -Partner with the factory floor to enable high rate build of Roadrunner, Fury, and other Anduril products. -Join an on-call rotation for Forge support of the production floor. -Collaborate cross-functionally with systems architecture, software product and design, factory systems, and production digital tools.

Please apply here: https://job-boards.greenhouse.io/andurilindustries/jobs/5036... .

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

#23
MongoDB | Senior Developer Advocate | REMOTE (Dublin, Ireland) | Full Time

My org is hiring for multiple openings for Senior Developer Advocate roles. We aren't just doing "content." We are the technical "tip of the spear" for MongoDB's largest global accounts.

- The Scale: You'll be solving data architecture and performance bottlenecks at a scale very few engineers ever get to see. - The Impact: It's incredibly rewarding to optimize systems for household-name companies and see the immediate ripple effect. - The Culture: You'll join a tight-knit group of MongoDB experts who actually enjoy collaborating. - The Mix: This is a high-engagement role.

There are multiple open positions:

For significant travel across the UK/Europe (and occasionally Asia) to work face-to-face with devs, balanced with deep-dive technical work. Apply at https://www.mongodb.com/careers/jobs/7241758

For mostly remote, apply at https://www.mongodb.com/careers/jobs/7495485.

If you have 5+ years of experience in consulting/SA/DevRel and want to bypass the recruiter screen, contact Hubert directly: https://www.linkedin.com/in/hubertnguyen/ or message me directly @mongodb.com

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

#24
Assembly | Founding Engineer | New York City, Onsite | Full-Time

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.

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

#25
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, Typescript, Node.js, 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 newly renovated SoHo/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...)

Mid-Level Software Engineer (Mid-Level) (https://jobs.lever.co/findigs/5e865781-244f-4e4f-b7bd-e09973...)

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

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

#26
Rootly | Toronto, Canada | Hybrid (onsite) | Full-Time | rootly.com/careers

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.

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

#27
Cologne, Germany | UMH | Product Engineer | Full-time | 55 - 85k EUR | ONSITE (part remote)

Hi, Alex and Jeremy here from UMH.

8 years ago, Jeremy was absolutely frustrated with the status quo of data infrastructure in manufacturing. Companies paid millions per year for "shitty 90s software" and are still doing that today, when there is much better software out there for open-source. So we decided that we can do this better, first founded a System Integrator, realized most of the tasks in setting up and maintaining a data infrastructure can be standardized, and decided to found the currently VC-backed UMH, which is built on open source software and is open source itself.

What we're actually building: We build and scale a real-time data platform that runs hundreds of Benthos pipelines inside a single Docker container (UMH Core), processing millions of industrial messages that control actual production processes.

Plus a local-first user interface (Management Console) where both non-technical factory workers and power-users/developers can work together. And yes, we care about UI in enterprise/industrial software.

https://jobs.umh.app/

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

#28
Fusionbox | Python + TypeScript Engineers | United States| Full-time | REMOTE (Legal to work in the US)

We're a software engineering consultancy that builds enterprise software the right way. We negotiate the right to open source all our client code, maintain a handful of popular libraries, and our engineers contribute to Django core. We sponsor PyCon, DjangoCon, and Django Girls because we're invested in the ecosystem we build on.

We're looking for software engineers who value software design, system architecture, and collaboration. You should be comfortable with about half of these areas and eager to learn the rest: web application security, relational database design (PostgreSQL, beyond "SELECT *..."), Django internals, React, and distributed systems. What you'll actually work on: complex state machines for financial workflows, multi-tenant architectures with row-level security, custom database functions when the ORM isn't enough, and React frontends that handle real-time data without being a mess of useEffect hooks.

We're a small team where you'll own features end-to-end (database design to React components) and have opportunities to shape technical decisions. You'll get paid to write open-source code with a team that practices empathy and values work-life balance. If you've ever wished your job involved more elegant state machines and fewer marketing landing pages, let's talk: info@fusionbox.com.

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

#30
Locket | https://locketcamera.com | Hybrid, San Francisco + Remote | Full-time

Locket is the fastest-growing social app among Gen Alpha and Gen Z.

What if social media actually made you happier? Unlike other platforms focused on entertainment and endless scrolling, Locket helps you connect with the people who really matter: your best friends.

- 10M DAU, 100M downloads, $10M+ annual run rate

- Help define how AI fits into social media

- Ship to 10s of millions of active users from day one

- Scale the defining social app for the next generation

We’re hiring:

- Backend engineers

- Social media manager

Learn more and apply here: https://locket.camera/jobs

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