Microsoft AI | Platform Engineering | Full-time | Greater Seattle Area, WA or Bay Area (Mountain View), CA | ONSITE (3 days/week) We're building the platform primitives that power https://copilot.com (Microsoft's ChatGPT). If you've shipped systems at scale—whether backend services, distributed infrastructure, ML platforms, or consumer AI products—we want to talk to you.

The work: design and build secure, performant platform services for AI at scale; collaborate with infrastructure, product, design, and research teams; ship high-quality code that reaches hundreds of millions of users; move fast in a design-driven environment.

You: solid fundamentals in systems thinking and software engineering; fluent in Python, C#, C++, Java, JavaScript, or similar; shipped real products or systems people use; can communicate across technical and non-technical teams. Worked at companies/products of global scale and at least 1 startup-like environment (startup or internal incubator).

Compensation: Competitive with other frontier AI companies, commensurate with experience. Relocation available.

We're actively hiring and will respond to qualified applicants. Check https://microsoft.ai/careers for current openings, or email maiplatformjobs@microsoft.com. Apply directly if genuinely interested in building the future of AI.

New grads: If you've had 2+ MAG7+ internships (or adjacent large scale experience) AND a strong transcript from your university. Use [NEW GRAD] in the subject line.

Comulate | Senior Engineer (3+ YoE) | ONSITE in San Francisco, CA We're automating the $7T insurance industry with AI. Seed stage in terms of headcount (~ 20 people) but Series B in terms of business traction (+ cash-flow positive). We've intentionally stayed under the radar.

- Product has caused customers to literally cry tears of joy

- Experienced eng team from Airbnb / Brex / LiveRamp

- Stack: TS, Postgres, React, GraphQL, and Next.js

Apply here: https://about.comulate.com/careers

Stealth AI Startup (Funded) | Mid-Level & Senior Software Engineers | REMOTE (US)

We're building at the intersection of AI and human behavior — think behavioral intelligence at scale. Our platform uses LLMs and proprietary data pipelines to change how the world evaluates trust, identity, and reputation. Not another chatbot. Launching to mass consumer market this year.

Team comes from Google, Amazon, and other top-tier tech cos. We've shipped systems serving hundreds of millions of users.

What you'd work on: scalable backend systems, search and identity verification infrastructure, custom LLM pipelines (fine-tuning, inference optimization), and frontend experiences that make complex AI outputs intuitive.

Looking for: 4+ YOE (mid), 7+ (senior). Strong distributed systems fundamentals. LLM/ML experience a plus. You've built something from scratch and liked it.

Comp: Competitive salary + meaningful early-stage equity. Fully remote, async-first.

Interested? Send a note about what excites you and your resume to email in profile. New account & email as we are staying in stealth until we launch.

Trace Labs | Remote (USA) | Full Time | https://tracelabs.ai/ Want to join a lean, ambitious, and fast growing startup?

Trace is building the data marketplace for physical AI. Robotics and embodied AI are bottlenecked by real-world data. We’re building the platform that turns real-world human work into structured training datasets for robotics and foundation model labs. We’re hiring engineers to help build the core product from end to end.

Small, senior team. Fully remote. Experienced founders with a successful exit. Clear communicators. High trust, high bar.

Open Roles

- Full Stack Software Engineer: https://jobs.ashbyhq.com/tracelabs/963005ce-f4f1-4d54-957d-1...

- Backend Software Engineer: https://jobs.ashbyhq.com/tracelabs/a80546f7-6253-4dfa-95be-c...

What We Offer

- Autonomy, impact, and ownership. As an early employee you’ll shape the product direction and company values.

- Competitive salary and significant equity in a fast growing, early stage startup.

- Remote employment - work where you want, when you want.

- Generous vacation policy - take time whenever you need to recharge. Building a lasting company is a marathon, not a sprint.

Kredit | .NET Engineer Roles | Remote (US) | Full-time

Kredit (https://www.kredit.fyi) is on a mission to resolve consumer debt. We help people get out of financial hardship and offer tools for companies looking to manage their internal processes. Kredit is a small team and growing.

Our stack: .NET Core, C#, PostgreSQL, CQRS, Angular, GCP, Kubernetes, Terraform and much more. We are looking full-stack engineers that have a .NET background, eager to learn and motivated to work in a startup.

If this sounds interesting to you, please reach out to recruiting at trykredit.com

Saving Bitcoin | Cryptographic Engineer & Protocol Engineer | Remote (global)

Given the latest quantum algorithmic advances by Google, Bitcoin is expected to be fully broken by 2029. In this position you will design post-quantum cryptography that goes beyond the BIP-360 stopgap to fully solve the quantum threat on Bitcoin and transition it safely into the post quantum age.

Please describe your cryptographic experience, your Bitcoin experience and the flavor of PQ-crypto that you believe can save BTC. Apply to: savingbitcoin@pindush.net

(burner address for spam prevention, expect answers from a different email)

PermitFlow (YC W22) | Staff, Fullstack & Frontend Software Engineers | New York, NY | ONSITE | Full-time | https://permitflow.com PermitFlow’s mission is to streamline and simplify construction permitting in the $1.6 trillion United States construction market. Our software reduces time to permit, supporting permitting end-to-end including permit research, application preparation, submission, and monitoring.

We recently raised a $54M Series B led by Accel with participation from Kleiner Perkins, Felicis, Altos Ventures, and YC.

Permitting is a challenging yet interesting problem; thousands of municipalities across the United States have their own processes and requirements - many which are continually updating. Software, AI, and LLMs provide an exciting opportunity for us to reason at scale and distill a nuanced and localized permitting process into a standard and streamlined experience for our customers.

We're looking for customer-obsessed, ambitious, and hard-working teammates who are excited about solving a real-world problem with technology at its helm.

NYC Onsite Roles | apply at: https://jobs.ashbyhq.com/permitflow?departmentId=d33195eb-89...

1. Staff Software Engineer - $200K-275K + equity

2. Fullstack Software Engineer - $125-245K + equity

3. Senior Frontend Engineer - $125K-245K + equity

https://permitflow.com/hiring

Fieldguide (fieldguide.io) | San Francisco, CA | HYBRID | FULLTIME Vertical AI SaaS for Accounting & Audit | Fieldguide is a 150 person Series C start-up transforming how audit, advisory, and assurance work gets done. Fieldguide brings professionals and agentic AI together to modernize engagement delivery from planning through close, enabling audit and advisory practitioners to deliver higher-quality work, strengthen client experiences, and unlock growth for the decade ahead.

Hiring:

- All Levels: AI Platform and Product Engineers

- Lead Product Designer

- Lead/Staff Product Managers

- Forward Deployed Engineers

- Software Engineer, AgentOps

- Lead Security Engineer

Apply here: https://www.fieldguide.io/careers?utm_source=HackerNews

Furtim Modus | Hiring Java Developer (Full-Time) | NYC (HYBRID) | $125K-$200K + equity | https://www.furtimmodus.com/software-engineer

We are currently seeking a talented and driven Java Developer to join our team full-time. This is an exciting opportunity to contribute your skills and expertise to a venture backed funded fintech trading firm with emphasis in US equities capital markets tech based out of the New York City and in exchange we’ll provide you with base comp $125k-200k, full benefits, cash bonus, and equity.

Requirements:

- Electronic trading server-side software development experience

- Experience in Open Source technologies such as Aeron Transport, Aeron Cluster, Aeron Archive, Artio, Agrona, or CoinTossX is a big plus

- Experience with Adaptive Hydra trading platform is a big plus

Benefits:

- Flexible hybrid schedule to accommodate other commitments

- Collaborative and supportive team environment

- Relocation assistance to NYC Metro area

If you are passionate about Java development and interested in joining a fintech venture, we would love to hear from you. Please submit your resume if interested to agency@furtimmodus.com in this opportunity.

Aye Eye is building a privacy-first edge-AI camera platform: local AI, live video, device intelligence, and the app / developer tools around it.

We’re hiring for 3 roles Remote (UK/EU preferred):

1) Senior Product Designer Own UX/UI for the Aye Eye / Trojan app platform. Mobile/tablet journeys, wireframes, Figma design system, and clickable prototypes. First mission includes onboarding, dashboard, live view, alerts, device setup, AI query, shop, subscription, and settings.

2) Developer Platform Lead Define the self-serve developer ecosystem: portal structure, onboarding flows, documentation, sandbox model, and submission workflows.

3) Senior Full Stack Developer Build the portal behind that ecosystem: auth, dashboards, API keys, sandbox access, submission workflows, and licensing touchpoints.

We want people who can simplify complex systems, work fast, and ship clean, commercially usable product experiences.

Email: ayeeye.careers@gmail.com Subject: HN – [Role Name]

Adclear | Senior Fullstack Engineer | London, UK | HYBRID (4 days/week) | Full-Time

We're turning compliance from a bottleneck into a creative advantage for regulated brands. Clients include Monzo, Lloyds, PensionBee, and Plum. Raised £2.6m+ from Outward VC in our first 14 months.

The problem: we run multi-agent AI pipelines that evaluate regulated marketing content in real time. The model landscape moves fast and our architecture has to move with it. You'd own how these systems evolve in production, working directly with the CTO and AI engineers, while also shipping across the full stack.

Stack: TypeScript, React, React Router v7, Tailwind, shadcn/ui | Hono on Cloudflare Workers, Drizzle ORM, PostgreSQL (Neon) | Python, FastAPI, LangChain + LangGraph | GitHub Actions

We're 6 engineers. You'd have real input into architecture, tooling, and how the team operates. We use Cursor, Claude Code and Greptile day-to-day.

£75-95k + equity. Private healthcare, gym budget, hardware budget.

Apply (mention "Hacker News" in your notice period section): https://www.adclear.ai/jobs-seniorengineer

CS PhD position | Chalmers University | Sweden | ONSITE | machine learning for biology

At CGR Lab (https://cgrlab.github.io/research/) based in Chalmers, Gothenburg, we work at the intersection of biology and machine learning.

* develop deep learning architectures for biology

* transformer-based models (eg BERT) and state space models (eg Mamba) for large-scale biological data.

* build models to predict the functional effects of genomic variants

* no biology background required.

Email your CV to csphdchalmers@gmail.com

Ploid AI | Barcelona, Spain | REMOTE (preferably hybrid) | Core Team | Full-time

We're building an AI-first bioinformatics platform to empower life science researchers with agentic AI and LLMs. Backed by pre-seed funding, a government grant, and customers from biotech, agrotech, and pharma companies, we're looking for a full-stack engineer to join as a core member.

What we're looking for:

• Strong full-stack experience across Go, TypeScript, and Python (Rust is a plus)

• Hands-on AWS infrastructure work (you've built and maintained production cloud environments)

• Experience with multi-tenant architectures: isolation strategies, auth, data partitioning

• Comfort with AI/ML devops: deploying and orchestrating model-serving pipelines, managing GPU workloads, CI/CD for ML systems

• Willingness to own problems end-to-end, from system design to shipping

Nice-to-haves (not all required): LLM integration, RAG systems, HPC infra, cloud/on-prem hybrid systems

About us: We're a team of engineers and scientists with strong academic and industry backgrounds (ex-BCG, PhD in Plant Biotech and Bioinformatics, Mathematics, M.Sc. AI, PhD in Electrical Engineering). We're committed to building something impactful, technical, and genuinely useful for life science.

Apply: hello@ploid.ai

More about us: https://ploid.ai

We also consider internship requests from strong student candidates for research work.

Thanks to everyone who's reached out through previous HN posts, this community has helped us find amazing people.

Foundry Robotics | Founding Engineers | Full-time | Onsite (London, UK)

I'm Gio, CTO of Foundry Robotics. We're an early stage startup building robotics for manufacturing applications.

We are looking for people with one or more of these skills:

1) Tinkerer/mechanical engineer -- Build robots in our lab with a mix of design and hands-on prototyping. Experience with metal fabrication (CAD, CNC milling, 3d printing, sheet metal).

2) Computer vision AI lead -- You will own our vision stack. Experience in object detection and pose estimation, SLAM, FoundationPose, Nvblox etc.

3) Robotics software engineer -- Build our manipulation pipeline. Experience in Nvidia Isaac or similar simulation environments.

Contact: gio@foundryrobotics.co.uk (start subject with "HN:")

(AU ONLY / REMOTE)

Senior engineer to step into a ~30k LOC system (~300 files) and help shape it properly.

Production-style system with real complexity. Interdependent modules, async flows, external integrations.

Stack: Python/FastAPI backend, Next.js frontend, early-stage routing/AI components.

Expectations:

- quickly understand an existing codebase

- trace data flow across modules/services

- identify structural issues and bottlenecks

- make pragmatic improvements without overengineering

Starts with a deep dive and direction, with room to stay involved and build it out.

AU-based only (R&D constraints).

Email: mattahbla+hn@gmail.com

BioLM | Lead Platform Engineer | San Francisco (or Remote) | Full-time | biolm.ai

We're building an AI platform for molecular discovery: think language models for protein and DNA design. Small founding team, moving fast, real ownership.

Looking for a lead platform engineer to own full-stack development across our Console, Builder, and Solutions apps. You'll ship agentic workflows for molecular design, build integrations with sequence/assay ordering providers, and help shape the technical direction of the platform.

Stack: Python, React, Node.js, AWS, Docker, REST/WebSockets. Bonus if you have experience with agentic systems or MCP. Interest in biology/bioinformatics a plus but not required. If you've shipped production systems end-to-end, have strong product instincts, and want to work on something at the intersection of AI and life sciences - we'd love to hear from you.

https://app.dover.com/apply/BioLM/12435b30-67f1-43c2-8c59-6d...

SF or Shenzhen, remote possible for exceptional candidates Hiring FDEs and various Member of Technical Staff roles

Apply here: https://jobs.ashbyhq.com/dimensional

Demos: https://x.com/stash_pomichter

--

Dimensional is the agentic operating system for generalist robotics.

The team is from MIT, CMU, Cornell, DJI, Figure, and has raised $200M+ for previous projects. Backed by the head of Apple Robotics, CEO of HuggingFace, cofounder of GoogleX, CTO of Windsurf, and more.

We launched recently and hit #3 trending on Github. Thousands of developers are now using Dimensional to program physical space.

We’re looking for relentless hackers across Software, Infra, Manipulation, Navigation, and LLM/Agents to join us in SF/Shenzhen to power the next generation of agentive robotics.

Subject: Full Stack Engineer Application - Fatima Usman

Location: Remote (PKT)

Hi,

I’m reaching out regarding your recent post in the HN "Who is Hiring" thread. Stack: React, TypeScript, Node.js, PostgreSQL, Express.js.

What I've shipped:

AI-powered fashion platform (PERN + OpenCV) — Team lead; earned 2nd place at a national competition for a clean, modern UI and complex data processing.

Full-stack music app (React + Node.js + REST API) — Developed during my time at Red Buffer.

15+ Figma-to-React component builds — Expert at translating high-fidelity designs into pixel-perfect, responsive components at PixelSoft Solutions.

Happy to share my GitHub, CV, or jump on a 15-minute call to discuss how I can help scale your platform.

Best,

Fatima Usman fatimaausman8@gmail.com

Pinehurst, TX | Remote, Onsite, Hybrid Senior Systems Architect (Backend / AI-Native / Not a CRUD Role)

Overview We are looking for a senior systems architect, not a feature developer. This role is for someone who: . has designed systems end-to-end . understands how to structure complex backend systems . can work alongside AI-assisted development (not against it) If your primary strength is writing features or following tickets, this is not the role.

What You Will Be Responsible For Evaluating existing systems and identifying what should be: kept, restructured, rebuilt Designing system architecture across: data flow, service boundaries, processing layers Structuring systems that involve: multiple data inputs (APIs, documents, etc.), document ingestion and parsing, asynchronous/background processing Defining backend patterns for: reliability, scalability, maintainability Working in an environment where AI tools (e.g. Claude, OpenAI Codex) are actively used for execution This is a design-first role, not a ticket-driven role.

How to Apply (Required) Please include: . A brief description of a system you personally designed end-to-end . The hardest architectural decision you made in that system . A short explanation of how you currently use AI tools in your workflow Applications without this information will not be considered.

Due to the length of the comments, please visit this doc for full details: https://docs.google.com/document/d/1cCh3gjmq3QYrTKl4qv93QgD1...

Pomelo Care| Remote US (office in NYC or SF)

We’re building a healthier future for women and children. We combine clinical excellence, human connection, and proactive technology to ensure our patients get the care they deserve, from preconception through midlife.

Hiring: Staff Software Engineer, Patient Experience: https://grnh.se/ws5ijibc4us Staff Data Scientist, Growth: https://grnh.se/1tz2tcfw4us

See more opportunities at pomelocare.com/careers