Noise is building a way to measure and trade attention — something the internet produces endlessly but no one has been able to objectively track. We create a transparent, real-time market for attention itself, revealing what the world actually cares about as it changes.
Team of 10 in SoHo. We look for people with great taste who ship code, design, or convey user needs into delightful products.
Hiring:
Senior Frontend Engineer — Own and ship features across the stack with a frontend focus. Work closely with design to build fast, reusable components. React, TypeScript, Tailwind.
Senior Mobile Engineer — Architect and build our React Native app from zero to launch. Own performance, motion, and polish. Every frame and gesture should feel native.
For both: Not a vibecoder. Uses Cursor or similar to empower, not replace. Strong attention to detail, self-QA, taste for motion and interaction.
Uncountable accelerates R&D for industrial scientists across leading materials, chemicals, and life sciences organizations. With our SaaS solution, our customers get better products to the market in half the time. Uncountable was founded by MIT and Stanford engineers and has been profitable since 2016. Our team has grown from 50 to 100 over the last two years.
Full-Stack Engineers | $120k - $220k + Equity
---> Uncountable is looking for engineers who can spearhead the development of the Uncountable Web Platform. The position is heavily product-driven and comes with challenges across the stack.
--> Summer internships and working student positions are also available.
Learn more: https://www.uncountable.com/hiring/hn
Uncountable is hiring in New York City, San Francisco, London, and Munich.
Contact our CTO directly at jason@uncountable.com
Amperos Health is building AI agents to automate healthcare revenue cycle workflows so clinics get paid faster and staff can focus on patients. We’re a fast-growing startup with real customers and production AI systems in the wild.
We’re hiring across: - Software Engineers (Full-stack, Infra, Integrations)
- AI / Research Engineers
- Product Managers (Agents, Integrations)
- Design Engineer & AI Deployment roles
We’re looking for people who enjoy high ownership, shipping quickly, and applying AI to real-world problems.
Our full postings are available here: https://jobs.ashbyhq.com/amperos
Email me at adam@amperoshealth.com if you're interested!
Happy New Year, HN!
Clad is software for building physical infrastructure. We help contractors track their work and get paid faster.
We're a 5 person team in person in NYC, raised $2.7M, have >5 years of runway, and are ramping up to grow fast in 2026.
You'll build a well-crafted product, and work on challenging problems at intersection of AI, construction (mapping), and fintech.
Apply here: https://bookface.ycombinator.com/company/28070/jobs/61046
Or email me at jason [at] withclad [dot] com
At DeepL, we're on a mission to build intelligent, trusted AI that helps organizations achieve their most important goals – in language and beyond - unlocking human potential and making work simpler, smarter and more connected.
We're hiring across the company for numerous roles in engineering, research, leadership, and more.
Apply on Ashby:
Forward Deployed Engineer | Agentic AI: https://jobs.ashbyhq.com/deepl/forward-deployed-engineer-age...
Backend Software Engineer | Convert & Scale: https://jobs.ashbyhq.com/deepl/backend-software-engineer-con...
Backend Software Engineer | Customisation: https://jobs.ashbyhq.com/deepl/backend-software-engineer-cus...
Engineering Manager | Platform: https://jobs.ashbyhq.com/deepl/engineering-manager-platform
Head of Security: https://jobs.ashbyhq.com/deepl/head-of-security
Senior Backend Software Engineer | Convert & Scale: https://jobs.ashbyhq.com/deepl/senior-backend-software-engin...
Senior Engineering Manager | Developer Experience: https://jobs.ashbyhq.com/deepl/senior-engineering-manager-de...
Senior Full Stack Engineer | Convert and Scale: https://jobs.ashbyhq.com/deepl/senior-full-stack-engineer-co...
Senior Full Stack Engineer | Voice: https://jobs.ashbyhq.com/deepl/senior-full-stack-engineer-vo...
Senior Site Reliability Engineer: https://jobs.ashbyhq.com/deepl/senior-site-reliability-engin...
Senior Site Reliability Engineer | Agentic AI: https://jobs.ashbyhq.com/deepl/senior-site-reliability-engin...
Senior Staff Data Engineer: https://jobs.ashbyhq.com/deepl/senior-staff-data-engineer
Senior Staff Software Engineer | Convert and Scale (London): https://jobs.ashbyhq.com/deepl/senior-staff-software-enginee...
Senior Staff Software Engineer | Convert and Scale (Berlin): https://jobs.ashbyhq.com/deepl/senior-staff-software-enginee...
Senior Staff Software Engineer | Voice: https://jobs.ashbyhq.com/deepl/senior-staff-software-enginee...
Staff Platform Engineer: https://jobs.ashbyhq.com/deepl/staff-platform-engineer
Staff Software Engineer | Convert and Scale: https://jobs.ashbyhq.com/deepl/staff-software-engineer-conve...
Head of Tooling | AI Research: https://jobs.ashbyhq.com/deepl/head-of-tooling-ai-research
Research Manager | Customization: https://jobs.ashbyhq.com/deepl/research-manager-customizatio...
Research Scientist | Language AI: https://jobs.ashbyhq.com/deepl/research-scientist-language-a...
Senior Research HPC Engineer: https://jobs.ashbyhq.com/deepl/senior-research-hpc-engineer
Senior Research Scientist | Voice AI: https://jobs.ashbyhq.com/deepl/senior-research-scientist-voi...
Senior Staff Research Scientist: https://jobs.ashbyhq.com/deepl/senior-staff-research-scienti...
Senior Staff Research Scientist | Voice: https://jobs.ashbyhq.com/deepl/senior-staff-research-scienti...
Voice - Research Scientist: https://jobs.ashbyhq.com/deepl/voice-research-scientist
Senior Technical Product Manager | AI Systems: https://jobs.ashbyhq.com/deepl/senior-technical-product-mana...
View all openings: https://jobs.ashbyhq.com/DeepL
Me on LinkedIn: https://www.linkedin.com/in/steven-syrek/
Kroo is building the knowledge platform for construction, an industry that deeply needs more technology solutions. We’ve built a platform that our 30+ enterprise customers use to operate and maintain data connectors, warehousing, and knowledge graphs specific to the nuances of the construction industry (think on-premises systems, archaic APIs, etc.). Our customers, data professionals in the construction industry, use our software to build reporting and run analytics for billions of dollars of jobs.
We're looking for full-stack Software Engineers with 3+ YOE. We are a venture-backed, pre-seed stage company with an experienced and hungry team. We’re backed by leading investors in the space and based in Midtown NYC (hybrid). If you’re looking to build in an industry that desperately needs data and AI solutions, apply here! https://jobs.gusto.com/boards/kroo-70b14610-ea9c-4478-9fc8-5...
Rinse provides dry cleaning and laundry delivery services to customers in twelve metropolitan areas in the US and Canada. We have sophisticated logistics optimization software, a polished consumer product, and firm business fundamentals. We're now over a decade old - this is a stable, yet consistently growing and innovating, company.
Our engineering team is distributed across the United States and internationally, and has been entirely remote for years now, but a desk can be provided in the above cities if you'd prefer.
We're open to both newly-graduated engineers or more senior engineers, provided they meet our bar. We're particularly interested in true full-stack engineers, with strong React / Typescript / CSS skills to complement comfort in a Python / Django environment. We're also seeking engineers with experience leveraging AI to automate complex operational processes.
Search term bingo: Logistics, Django, Python, Optimization, React, React Native, Postgres, Mobile Engineer, Automation, Delivery, OR-tools
We are embarking on an initiative to modernize and unify Bloomberg’s authentication landscape. Your work will directly affect the experience of Bloomberg’s employees and clients worldwide.
You'll need to have
- Experience guiding the architecture of large scale authentication systems.
- Experience developing or operating Open ID Providers, Authorization Servers, and Identity Providers
- Deep understanding of OAuth, OIDC, SAML, FIDO or similar protocols
You can expect to
- Lead design and development of Bloomberg’s next-generation authentication and MFA systems, aligning with future product goals
- Create scalable, end-to-end identity solutions across web, API, and proprietary technologies
- Collaborate with cross-functional partners across product, design, and engineering
Apply: https://bloomberg.avature.net/careers/JobDetail/Senior-Softw...
We’re an early-stage startup building a privacy-first AI routing layer for teams running multiple models across on-prem and hybrid environments.
The problem: AI workloads default to overpowered models and leak sensitive data because there’s no intelligent routing layer.
We’re looking for a founding engineer who enjoys systems-level problems, ambiguity, and owning architecture end-to-end. You’ll help design routing logic, policy enforcement, and developer-facing interfaces from the ground up.
Tech we’re working with / around: backend services, model orchestration, infra, performance, privacy boundaries (stack flexible at this stage).
Location: NYC preferred, open to strong remote (US) Stage: very early, YC-bound Comp: equity (range depends on stage and fit)
Email: Team@localroute.ai (include a few lines on what you’ve built and what excites you)
Arcol (arcol.io) is a small, high talent density team building the future of building design - a future that's collaborative, fast, and intuitive. We're a web-native, fully collaborative 3d design tool modernizing the experience of architectural design for teams of all sizes.
We're looking for senior engineers with experience in modern web technologies - some of our key technical building blocks are Typescript, Rust, wasm, WebGL - and a strong ownership mindset. Experience with computational geometry, computer graphics, or similar a strong plus. This role sits at the intersection of solving deep technical foundational challenges with shipping a product that solves real problems for real people.
Reach out to me directly at thomas@arcol.io or peruse our careers page (https://www.arcol.io/careers) - we'd love to hear from you!
Brilliant is building world-class interactive learning experiences that combine challenging problems, compelling narratives, and delightful visual storytelling.
We're hiring an Android engineer to help craft the next generation of interactive learning and change how the world learns.
Engineers at Brilliant think about both "building the right thing" AND "building the thing right" while pursuing high standards of excellence for ourselves, our product, and our codebase.
If you're energized by the prospect of doing the best work of your career and changing how the world learns alongside the most talented peers you've ever worked with, you can learn more and apply here: https://brilliant.org/careers.
Castleton Commodties is an energy fund with engineers in London, New York and Houston. In London we are a team of 3 covering various asset classes. We are hiring mid to senior software engineers to continue the build out of our data science and analytics platform and help us understand the commodity market fundamentals. We work mainly in python with other languages sprinkled in. Limited to UK/London based individuals. Pay is very competitive. You can read more about the role here: https://sawir.ly/tnsi I am the hiring manager, feel free to reach out to me with any questions (link in profile).
WireScreen is a fast-growing Sequoia-backed Series A startup building the go-to open source intelligence platform for navigating global supply chains and China-related risk. While China maintains some of the world’s most detailed corporate ownership records, the real challenge is connecting the dots. That’s where we come in—surfacing the networks, relationships, and financial ties behind companies to support national security, compliance, and regulatory oversight.
We’re looking for senior software engineers to build our data platform and help us ingest and model messy, unstructured data into insights and actionable intelligence. At the heart of this is a 50m+ entity knowledge-graph with 200m+ relationships represented - and we need your help to build a system that can scale this up by an order of a magnitude. Today, we mostly use Python, Postgres, Airflow and Pyspark.
If you have prior startup experience, can bring strong Python (PySpark is a big plus) experience and have previously worked with TB-scale data sets - we’d love to talk to you.
Apply here: https://jobs.ashbyhq.com/wirescreen/e9d8e7e3-c737-43ee-8c7e-...
Or you can reach out to me directly at leo.green@wirescreen.ai - I lead recruiting here at WireScreen, but if I don't know the answer I'll ping our engineering folks and come back to you fast.
Quantum Rise is an AI-forward consulting startup serving the middle market, across multiple industries. Clearly many companies are struggling to understand how to leverage artificial intelligence in their day-to-day operations, to understand what their existing workforce now needs to know, or to understand whether they're about to be disrupted. Many have business problems which "traditional" machine learning could help with even before the current GenAI hype cycle, but for whatever reason hadn't prioritized doing so until now. We try and help getting a handle around these issues and designing outcome-driven solutions.
Agentic AI Solutions Manager: You'll work directly with clients to benchmark, train and deploy agentic systems for industry-specific problems. We're looking for someone deeply curious about agentic systems across vendors and platforms. Companies are looking for ways to leverage agentic systems to upskill their practitioners. This is a front-facing development role for someone who loves both tech and tackling real business problems. To apply, send me an email at julian.berman at quantumrise.com, mentioning HN and including your CV.
Data Engineer: You'll work directly with clients and application developers to design and build data solutions for AI-enabled applications, Lakehouses, Warehouses, and analytics that solve industry-specific problems. We're looking for someone passionate about delivering outcomes that combine best practices for deterministic data management and governance with AI functionality across tools, vendors, and platforms. Our clients need to leverage AI to solve specific problems using data. This is a client-facing development role for someone who loves to work with data technologies and tackle real business issues through genuine innovation. To apply, send John an email at john.swift at quantumrise.com, mentioning DE and including your resume/CV.
ProPublica is a non-profit newsroom that investigates abuses of trust in the public interest. Journalism we published last year shed light on the impact of DOGE and ICE, investigated right-wing militias, told stories about the US medical system, and more. Here were our most-read stories in 2025: https://www.propublica.org/article/propublica-most-read-stor...
I'm the Senior Director of Technology. I'm hiring a pragmatic, mission-driven Director of Product Engineering, who will report to me, in order to provide more support for our product engineers who work on our publishing and data products. (This is not a reporting position.) You'll directly lead and manage a small team of engineers and help us to create and maintain great engineering processes.
More about the role here, including a direct route to apply:
https://job-boards.greenhouse.io/propublica/jobs/4623874006?...
Or get in touch with me at ben.werdmuller [at] propublica.org if you'd like to have a conversation about it.
The expected salary range for this position is $170,000 to $180,000. We cannot sponsor visas and must hire in the US. The role is almost fully remote: we have two in-person week-long summits a year.
The world doesn't need another ERP. CoPlane is building the Agentic Orchestration platform that enables enterprises to orchestrate intelligent processes across their existing systems. Founded by ex-Stripe/Segment product and tech leads, we're changing how businesses operate their backoffice - helping them scale intelligence not headcount.
We're looking for an exceptional design engineer to grow our small team of engineers that include ex-founders, open source contributors (authors of neovim and neverthrow), and architects of petabyte-scale data platforms. You'll work with billion-dollar enterprises solving their hardest, most mission-critical automation problems.
If you're excited about working at the nexus of data, automation and AI, and want to make a significant impact in an early, well-capitalized startup with large enterprise design partners, we'd love to hear from you.
Roles: Product/Design Engineer.
For more info and to apply: https://coplane.com/careers
Product Engineer: (React/Typescript) who would work closely with product and design to build user-facing parts of the platform. You will craft performant, stable frontends that explain technical concepts to non-technical users and help us iterate fast based on customer feedback.
AI Engineer: Applied AI plus strong software engineering. You will build, evaluate, and deploy LLM-driven features like deep document analysis and interactive chat, working with models from OpenAI, Anthropic, and Gemini. Expect hands-on Python, ML system design, experimentation, and production reliability. Bonus for RAG depth and frameworks like LangChain, LlamaIndex, or Hugging Face.
Backend Engineer: (looking for Kotlin/Java/Scala experience). You'll work across the backend: building enterprise integrations, large-scale scraping and parsing pipelines, and systems that let users apply LLMs to millions of documents to generate insights at scale.
We're looking to build our in-person team in NYC but also open to remote!
Apply: https://starbridge.ai/careers and mention HackerNews or email recruiting@starbridge.ai with your resume.
Lantern is building AI-powered revenue intelligence—think autonomous agents that turn cold outreach into warm conversations. Our platform automatically detects buying signals across your tech stack [1], prioritizes opportunities, and helps B2B sales teams focus on deals that actually close.
We're an agentic-first startup building with Python, FastAPI, Next.js, and React, backed by a modern data stack (Postgres, ElasticSearch, ClickHouse, DuckDB). We deploy on Kubernetes/AWS and use Temporal.io for workflow orchestration.
We're hiring software engineers who want to work on cutting-edge AI and agentic systems. You'll translate complex customer needs into scalable architecture, optimize AI model efficiency through prompt engineering, and ship features that directly impact how revenue teams operate. We value ownership, bold ideas, and people who want to push boundaries.
This role is based in our Manhattan office (4 days/week in-person). We offer full health and dental coverage. Apply here: https://forms.gle/kEi5MDDiaJKdyN3fA
I'm Maksym. If you're excited about agentic AI and reshaping B2B sales, shoot me a note at maksym <at> withlantern.com.
Category Labs (formerly known as Monad Labs) is a team of systems engineers and researchers on a mission to design and build at the frontier of decentralized technology. We strive to design and build step-function improvements over existing blockchain solutions. After raising $225M in series A funding, led by Paradigm, we are growing our team.
Technical Program Manager: https://jobs.ashbyhq.com/category-labs/bdfe89a6-83f6-4ab3-b6...
Smart Contract Engineer (Solidity): https://jobs.ashbyhq.com/category-labs/776ce314-aa12-471b-92...
Infrastructure Engineer, APAC: https://jobs.ashbyhq.com/category-labs/ea8cf4f7-0db7-43e9-af...
Senior SWE (Rust, C/C++): https://jobs.ashbyhq.com/category-labs/45f674b2-d904-482e-a5...
Senior Researcher, Systems: https://jobs.ashbyhq.com/category-labs/015934c5-66e5-4042-94...
Commercial Real Estate (CRE) is the world’s largest asset class. The annual transaction volume is 10% of US GDP, yet the industry remains slow and archaic because data is locked in PDFs and Excel files. We are transforming CRE into an AI-native asset class by helping investors understand their own assets better.
*We are hiring in NYC:*
Senior/Staff AI/IE engineer (NYC)
- Architect RAG/prompt systems to parse heterogeneous structured data. - Develop frameworks connecting LLMs to quantifiable investment decisions. - Collaborate with finance experts to translate domain knowledge into code.
Senior/Staff Full-stack engineer (NYC)
- Own the infrastructure and UI that power high-value investment decisions. - Design scalable data pipelines and cloud architecture. - Tackle complex business logic with domain-driven design.
*Who are you:*
- You build things for fun, obsess over craft, and have a lot of product ideas. - You have proven experience shipping production software to solve *ambiguous business problems*. - You have experience with end-to-end NLP/IE and complex data extraction.
Fluidstack is a full stack AI infrastructure company building datacenters, deploying GPUs, and operating hundreds of thousands of accelerators for top tier AI labs. We're also partnering closely with Anthropic (https://www.anthropic.com/news/anthropic-invests-50-billion-...) on deploying GW scale clusters.
More info at https://careers.fluidstack.io/jobs or ping careers at fluidstack dot io!
- Radar is the geo-location dev tool
- Doing 1B+ API calls per day
- Our main languages are Rust and TypeScript, we also use mobile and offline pipeline languages (Python, Scala, and Terraform).
- We're based in NYC with our HQ in Union Square and remote friendly (US)
Interesting things we're working on:
- HorizonDB, our Geospatial database written in Rust
- Precise indoor location more accurate than iOS and Android leveraging Ultra-Wideband, other mobile sensors and ML.
- Extracting raw map data from satellite maps and the web leveraging ML and AI
- Anomaly detection to identify spoofed locations
- Mobile infrastructure that automatically configures itself optimizing battery-life and location accuracy for different use-cases over time
- Multi-Region AWS K8s deployment, 99.99%+ availability
- Frontend tools to visualize and debug location data at scale
Check out our jobs page here: https://radar.com/jobs#jobs If you have any questions, feel free to reply here or you can e-mail me at tim@radar.com
Hey HN! I'm Alexander, one of the founders of Hatchet. Hatchet is an open-source platform for running background jobs at scale.
We're hiring engineers who are excited to build the next class of engineering primitives, starting with queues, background tasks and durable execution. We started in early 2024 after launching our distributed task queue (https://news.ycombinator.com/item?id=39643136).
Hatchet is currently used by thousands of engineers for all kinds of workloads: log ingestion pipelines, code review agents, video encoding, GPU scheduling, etc. Our target customer is fast-growing startups who have a strong need for background jobs system. These days, that tends to be AI companies, though we're general-purpose and not exclusively targeted for AI workloads.
Stack: Postgres, Go, Typescript, React, Kubernetes
Apply here: https://www.ycombinator.com/companies/hatchet-run/jobs/SNpCm...
Or email me at alexander [at] hatchet [dot] run
We're building business-in-a-box software for landscaping companies, with mobile applications and an offline-capable web app. We're also doing custom AI (_not_ LLMs) to produce measurements from satellite imagery.
Our frontend is in React and React.Native, backend is in Go and Python. We're looking for someone who can lead the backend development and help us manage the data processing pipelines for AI training.
Job posting: https://jobs.lever.co/getduranta/50af551a-9a5c-498c-9729-6f2...
Contact: alex@getduranta.com (please put "HN" in the subject)
You'll work with me (CTO, ex-Airbnb/Loom/Hightouch) to build key parts of our video + AI tooling. Video is hard, and we need to move fast to win. We have real customers, a lot to build, and strong conviction in our space. This is genuinely a very fun project and I'm looking to build my core team.
Stack: TypeScript, React + Tanstack, PostgreSQL, Supabase, AI pipelines. Competitive salary and significant early-stage equity
You: Early startup experience, willingness to hustle, love for product, comfort with ambiguity & startup pace
noah@bevyl.ai
Hey! I’m Maxim, cofounder/CEO of Immunera.
We're building blood tests that use gene sequencing and machine learning to help patients with autoimmune disease. Immunera spun out of years of research at Stanford, and our technology has been published in Science and covered by The New York Times.
We're hiring a Principal Machine Learning Engineer to shape the core models and infrastructure that power our blood tests. We are partnering with hospitals to generate training data from real patients for our language models and other biological sequence models.
This is a senior engineering role with significant autonomy at an early-stage, venture-backed startup. We're looking for strong experience building and operating ML systems in production (Python, PyTorch/TensorFlow, cloud platforms). Prior biology or healthcare experience is NOT required; we care much more about your ability to reason about data, models, and systems.
Full JD: https://www.immunera.ai/jobs
Contact: maxim@immunera.ai (subject: “HN ML job”)
Marker is a technology venture from 3 leading communications agencies. We’re an incubator building and launching force-multiplying software products for communications teams.
Our first product is Delve (https://delve.news) — a coverage monitoring, analysis, and insight toolkit to track and measure the entire online conversation about your business or industry.
Our product team is small and autonomous, but with the resources, expertise, and customer access of the global agencies we work with. We’re hiring an early engineer to join us on this journey; you’ll have a large impact on what we build, how we build it, and where we’re going next.
Our current technology stack includes Deno, React, and PostgreSQL. Bonus points for expertise in any of: data visualization, distributed systems, web scraping, large-scale data pipelines.
Contact: dylan (at) company domain. No recruiters or agencies, please.