Category Labs | https://www.category.xyz/ | Remote and NYC | Full Time | $200K USD+

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.

We’re the team behind Monad, a high-performance, EVM-compatible Layer 1 whose public mainnet is now live. We write the core software that runs it: a parallel-execution EVM, a custom state database, and a BFT consensus client, all developed in the open.

Senior Software Engineer (C++ / Rust): https://jobs.ashbyhq.com/category-labs/a0af69a1-8a77-4bda-b5...

Senior Software Engineer, Formal Verification: https://jobs.ashbyhq.com/category-labs/4717412e-8243-4eb9-be...

Senior Software Engineer, Compiler: https://jobs.ashbyhq.com/category-labs/e5c34899-cea1-4d25-be...

Smart Contract Engineer (Solidity): https://jobs.ashbyhq.com/category-labs/776ce314-aa12-471b-92...

Sphinx Defense | Software Engineering | Remote (US Only) | https://www.sphinxdefense.com

Sphinx Defense builds software to solve complex national security problems for America and its allies. Founded by engineers and technologists with deep experience across commercial and defense technology, we're building a vehicle-agnostic communication infrastructure to enable satellite operators to securely utilize antenna networks and maneuver satellites in real-time. We're bootstrapped, profitable, and growing aggressively.

To learn more about who we are, our engineering culture, and whether this is the right place for you, https://sphinxdefense.com/

Our current openings are: Chief Engineer - Chantilly, VA: https://grnh.se/rbw9gsyl8us Chief Engineer - Colorado Springs, CO: https://grnh.se/ysbgny5x8us Chief Engineer - El Segundo, CA: https://grnh.se/k6ny69og8us Chief Engineer - Seal Beach, CA: https://grnh.se/e0dp9r0l8us Control Account Manager: Remote: https://grnh.se/ag280g7e8us Cybersecurity Lead - Information System Security Manager (ISSM) - Chantilly, VA: https://grnh.se/dcbx6n5s8us Cybersecurity Lead - Information System Security Manager (ISSM), Colorado Springs, CO: https://grnh.se/93m5yna88us DevOps Engineer - Remote: https://grnh.se/w6nfmsl18us DevSecOps Engineer - Remote: https://grnh.se/nbd1nsf98us Senior DevOps Engineer - Colorado Springs, CO: https://grnh.se/9ufr3c4s8us Software Systems Architect - Chantilly, VA: https://grnh.se/rzuhym5f8us Software Systems Architect - Colorado Springs, CO: https://grnh.se/sp6q2wjy8us Software Systems Architect - El Segundo, CA: https://grnh.se/ev0qd1kb8us Software Systems Architect - Seal Beach, CA: https://grnh.se/msrv8kyt8us Technical Program Manager - Chantilly, VA: https://grnh.se/xq1zpezj8us Technical Program Manager - Colorado Springs, CO: https://grnh.se/wk6515kq8us Technical Program Manager - El Segundo, CA: https://grnh.se/slbopfb58us Technical Program Manager - Seal Beach, CA: https://grnh.se/6eumngkf8us Senior Program Manager - Chantilly, VA: https://grnh.se/9cadlgwu8us Senior Program Manager- Colorado Springs, CO: https://grnh.se/ualgpm3f8us Senior Program Manager- El Segundo, CA: https://grnh.se/msh8t00e8us Product Manager Colorado Springs, CO: https://grnh.se/hc6kogvc8us

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

Coder is an AI software development company leading the future of autonomous coding. We empower teams to build software faster, more securely, and at scale through the collaboration of AI coding agents and human developers. Our mission is to make agentic AI a safe, trusted, and integral part of every software development lifecycle.

Coder’s self-hosted Agentic Development Environment (ADE) is the foundation for deploying agentic AI in the enterprise. It provides a secure, standardized, and governed workspace to deploy autonomous coding agents alongside human developers, accelerating innovation while maintaining control and compliance. Coder's isolated, policy-driven environments improve productivity, cut cloud costs, and reduce data risks. Developers transition to AI at their own pace using their own tools. Platform and security teams can govern, audit, and manage a great developer experience at scale.

Check out our OSS product with 100k+ stars on GitHub! https://github.com/coder

All positions are fully remote in the countries listed unless otherwise specified.

[1] Revenue Workflow Engineer - US

[2] Software Engineer (AI Governance) - UK/Ireland/Poland

[3] Security Engineer (Infrastructure) - US/Canada

[4] Senior Security Engineer (IT) - UK/Ireland/Poland

[5] Developer Relations Engineer - US

[6] Forward Deployed Engineering Manager - US

[7] Senior Forward Deployed Engineer - US/Canada

Better Stack | https://betterstack.com/ | /^Full-?stack Engineer$/i | Remote (North America & Europe)

We are software builders at :heart: CEO is a software engineer, COO is a software engineer, and you guessed it, CTO is an engineer, too. We are engineers, making the tools we always wanted. If you love building amazing software, you're at the right address.

We are looking for software engineers who, given enough time, could build Better Stack on their own = looking for full-stack product engineer generalists to help us create high-quality software with exceptional UX, end-to-end.

Apply at https://betterstack.com/careers/fullstack-engineer

How we operate: https://betterstack.com/careers – https://betterstack.com/careers/engineering – https://juraj.blog/

Rivet | Fullstack engineer | Remote (US) | https://rivet.app

Your favorite artist is on Rivet. Chance the Rapper, Major Lazer, John Legend, and more engage their fans with our AI marketing platform. We boost D2C revenue for brand and creator teams by growing their communities and powering their direct-to-fan marketing and sales across all channels.

I'm a founding engineer, and we're expanding to an eng team of four. We're looking for scrappy and adaptable fullstack devs with demonstrated early-stage startup experience. Our main web app stack includes Express / React on Typescript, Postgres, hosted on AWS.

We're pre-seed, VC-backed, and have gone from pre-revenue to profitable in the past 2 years. If interested, apply here and mention Hacker News! https://rivetapp.notion.site/Full-Stack-Engineer-29cddd02b55...

Estuary | US-Based / Remote | Full-time – https://estuary.dev/ Estuary is a VC-backed, post–Series A startup powering right-time data replication and transform — from sub-second CDC replication to terabyte-scale OLAP data flows. We’re open-source, developer-first, and focused on making data movement radically simpler across both our Platform and Applications layers.

We’re hiring for:

Senior Systems Engineer — Capture & Materializations Design and build high-performance connectors that move data in and out of Estuary in real time. Work across APIs, databases, and streaming systems to ensure correctness, reliability, and scalability. This role is deeply systems-oriented, with a focus on data plane execution. Go and Rust are core to our stack.

Senior Front-End / Full stack Engineer - Build highly interactive observability and data-flow experiences for the Estuary platform. Design and develop real-time visualizations of distributed data pipelines, metrics, and system health using React and TypeScript. We’re looking for engineers with deep front-end expertise, strong performance instincts, and experience building complex data visualization or developer-focused products.

Product Manager - Own product areas end-to-end, working closely with engineering and design to shape the roadmap and deliver a great developer experience. Engage with users, translate real-world use cases into product decisions, and help define how modern data infrastructure should feel to build with.

Technical Product Marketing Manager - Founding product marketing hire working closely with Estuary’s Head of Marketing and Developer Relations team. Help shape how we position and communicate the platform to technical audiences through product launches, messaging, technical content, demos, customer stories, and developer-facing campaigns.

What we’re looking for: Engineers who care about building reliable, maintainable systems and enjoy working with complex APIs and data flows. We value curiosity, clear communication, and a willingness to learn.

Bonus points for experience with CDC tools, open source contributions, or fast-paced startups.

To apply: Email your resume to careers@estuary.dev

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 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...)

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

This Dot Labs Open roles: • Engineering Leads • Senior Engineers

What we’re looking for: • Strong frontend engineering experience • 7+ years building production systems • Engineers already using AI in real workflows • Systems thinking and technical ownership • Comfortable working across teams and ambiguity

Fully remote with US time zone overlap required.

Send resume to jobs@thisdot.co

Puntt AI | SF Hybrid (M/W/F in our new office) - no visa sposorship. | Founding Forward Deployed Engineers | Founding Applied AI Engineers | Salary: $180,000 - $220,000 USD + equity, benefits and unlimited PTO

Our customers (real customers you've heard of) have thousands of packaging assets spread across dozens of markets, languages, regulations, and brand standards.

Every change needs to be reviewed before launch. Humans currently do most of that work.

We are automating it. The challenge isn't generating text. The challenge is building systems that can be wrong almost never.

We're looking for:

- Forward Deployed Engineers who enjoy sitting with customers, figuring out what's actually broken, and building solutions faster than a roadmap ever could.

- Applied AI Engineers who obsess over retrieval, evaluation, orchestration, reliability, and all the ways AI systems fail in production.

- Account Executives

Please reach out directly if interested: linkedin.com/in/christinakayler

Amodo Design (amododesign.com) | Sheffield/London, UK | Software Engineer | Full-time | Onsite or Hybrid

We are hiring software engineers who enjoy solving important real-world problems and working close to hardware; who learn new domains quickly and prefer practical solutions over over-engineered systems or unnecessary complexity.

You’ll work on the projects best suited for you. Projects range widely, and include:

- Scientific tools

- Automation & robotics (Linux & ROS level)

- Embedded C/C++ (typically owned by dedicated firmware engineers, but software engineers are welcome to learn!)

- Linux, CUDA, Server engineering for our AI safety, security, and verification work

- Custom simulation software (usually python)

- Data analysis pipelines (python)

- Organisational tooling (Typescript, react, postgres, etc.)

Structure: Small teams of software, mechanical, electronics, and firmware engineers build end-to-end systems, typically shipping within a few months.

Apply: https://amododesign.com/career

Bead AI | Founding Engineer | London (right now) -> SF (from late August) | Full-time | USD$160-220K+ | 0.8 - 1.5% equity

We are building an autonomous trust layer to enable audits to shift from a compliance burden to a world where auditors can provide companies the assurance needed to adjust continuously in an ever-changing world.

We are a small, product-obsessed team based out of London and San Francisco, backed by some of the world’s leading investors and driven by the ambition to use AI to reinvent a whole industry.

Stack: AWS, TypeScript, Temporal

Apply: https://usebead.ai/careers

Tandem Health | Software Engineers | On-site in Stockholm, Sweden | Full time

At Tandem Health we're building a clinician copilot to allow clinicians to focus on care rather than administration. We’re building, launching and iterating quickly, and are rolling out across some of the largest care chains across Europe, including most of the NHS.

Our first product listens in to the patient-clinician encounter to generate medical records, allowing clinicians to save 5-10 minutes per patient. No longer do clinicians have to catch up on administration after hours.

We’re expanding our Stockholm team with exceptional builders in a wide range of roles.

More info at https://tandemhealth.ai/about/careers