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 recently raising $225M in series A funding, led by Paradigm, we are growing our team.

Senior SWE (Rust, C/C++): https://jobs.ashbyhq.com/category-labs/45f674b2-d904-482e-a5...

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

Senior Researcher, Systems: https://jobs.ashbyhq.com/category-labs/015934c5-66e5-4042-94...

Sourcegraph | San Francisco | Full-Time | SWE, Design Engineer, Forward Deployed Eng, Head of Design, Solutions Eng (all roles code) | https://sourcegraph.com

Sourcegraph is hiring SWEs and FDEs for Amp (https://ampcode.com), the most effective multi-model AI coding agent. We're a team that ships and we build Amp in a crazy way (see https://ampcode.com/how-we-build). Backed by Sequoia, a16z, Craft Ventures, and Redpoint.

We’re hiring people who are doing impressive things with coding agents. If that's you, show us something you've built or published!

Lara Health | https://lara.health | Several roles | USA | REMOTE | Full-time

Lara Health is on a mission to transform how healthcare is delivered for chronic care management. We enhance patient care, improve operational efficiency, and create new, diverse revenue streams for healthcare organizations.

- Senior Back-end Engineer

- Senior Front-end Engineer

We are looking for self-starters with a growth mindset, with strong accountability, and ready to take ownership. You’ll have the opportunity to work across the stack, solve complex problems, and contribute to mission-critical applications. Email: Email is hidden

ChainSecurity | Blockchain Security Engineer | Full-time | INTERNS , HYBRID/REMOTE, Zurich, Switzerland | VISA possible | https://chainsecurity.com/

ChainSecurity is a young and innovative cybersecurity company that operates in the blockchain and cryptocurrency space. Our mission is to make the blockchain space secure and trustworthy for people, companies, and governments alike. We are proud of our security experts from the renowned universities ETH Zurich, EPFL Lausanne and others. We are trusted by 100+ blockchain companies and established corporations with security audits and services. We have secured complex systems for top blockchain clients, such as decentralized finance (DeFi) projects, and multinational organizations, such as banks and industrial consortia.

A ChainSecurity Auditor will review the most complex blockchain projects to find vulnerabilities which no-one else can. By using state of the art tools, expert knowledge and a deep understanding of the fundamentals, we secure projects handling billions, often forming the foundation in the new paradigm of an open financial system.

Your Responsibilities:

* Work directly with the developers of the most successful teams in the blockchain industry to audit their code and secure their products

* Contribute to our security tools and create new ones in collaboration with our internal research team

* Conduct security research and publish your findings

Requirements:

* Strong background in software engineering, focused on security relevant areas and most importantly being able to reason about complex code

* Experience with penetration testing, vulnerability scanning, threat modeling or similar is a plus

* Good knowledge of cryptography

* Proficiency with Linux and Git

* Good written communication skills

* Fluent in OOP programming language

Bonus Points:

* Formal Verification, White Box, Vulnerability Scanning

* Solid Blockchain Knowledge

* Consensus Algorithms

Join us here: https://www.chainsecurity.com/jobs/blockchain-security-engin...

Questions about the role? Contact: Email is hidden

Cambridge Terahertz | https://thzcorp.com | ONSITE Santa Clara, CA | Full-time

Cambridge Terahertz is a rapidly-growing startup with the mission of detecting weapons and saving lives by bringing airport-level security to the masses. Our full-custom silicon enables orders-of-magnitude improvements in THz phased array radar imaging, unlocking new use cases in 3d-imaging. We are one of the only companies in the world to commercialize THz technology. We've raised series A-level funding, numerous gov't contracts and are adding to our world-class team in Santa Clara with various roles across hardware and software. We are in-person first and provide generous equity and benefits. Open roles:

Principal EE Lead: https://jobs.gusto.com/postings/cambridge-terahertz-principa...

Principal Radar Imaging Engineer: https://jobs.gusto.com/postings/cambridge-terahertz-principa...

Odevo | https://odevo.com | DevEx Engineer | Stockholm, Sweden | Full-time

Odevo is a PE-backed PropTech company with 2.2 million properties under management across Europe/US. We are growing fast and recently started a DevEx function, and I need some extra help there :)

https://career.odevo.com/jobs/6376310-devex-engineer

SewerAI | https://www.sewerai.com/ | Staff Full-Stack Engineer | SF Bay Area Hybrid | Full-Time

About us: SewerAI is an AI-powered platform modernizing how cities and engineering firms inspect and manage sewer infrastructure. Using computer vision and geospatial analysis, we’re cutting costs, improving safety, and transforming how critical infrastructure is maintained.

Role: You’ll own features end-to-end: from AI-driven video analysis and mapping dashboards to scalable APIs and polished React frontends. Engineers on our team ship impactful projects like automated defect detection, real-time geospatial dashboards, and large-scale data pipelines.

Our Stack: React + TypeScript, Fastify, PostgreSQL/PostGIS, Prisma, Temporal.io, AWS, Docker, CI/CD.

What you bring: 5+ years full-stack experience with TypeScript, React, Node.js, and PostgreSQL. Bonus for geospatial, computer vision, or AWS.

Why SewerAI: High-impact work improving infrastructure communities rely on. Series B. Hybrid SF Bay Area (2 days/week). $180K–$230K + equity, full benefits, unlimited PTO.

Interested? Apply directly at: https://ats.rippling.com/sewerai-careers/jobs/be01efaa-2168-...

ARound (web-based augmented reality for sports) https://aroundar.com - a Stagwell company - https://www.stagwellglobal.com | Backend Engineer | Remote (Based in UTC -8/-7/-6/-5/-4 timezones only) | 20-40 hours a week TBD | Contract or contract-to-hire

Backend development in support of web-based augmented reality experiences and games for mobile devices. API integration and development. Management of cloud infrastructure and services.

Key technologies are Node.js, Rust, PostgreSQL, Digital Ocean. Experience with video streaming (RTMP, WebRTC). Some degree of familiarity with TypeScript, Vue.js, and Babylon.js is desirable.

Strong interest in sports is ideal (although fandom is optional).

I’m the hiring manager, no intermediaries. I’m not interested in hearing from outsourcing agencies or recruiters. Candidates only, please. Thank you. : )

Email is hidden

LiveKit | Remote | Livekit.io | VoiceAI | webRTC | Real-time communications

LiveKit is defining a new paradigm for now applications are built by providing the framework and network infrastructure for voice, video, and physical AI.

Hiring: >Software Engineer, Agents Hosting [All Levels: Senior, Staff]: https://jobs.ashbyhq.com/livekit/f152aa9f-981c-4661-99d3-683... >> Software Engineer, Gateway [All Levels: Senior, Staff]: https://jobs.ashbyhq.com/livekit/494d4741-18ac-4fda-89e0-b07... >>> Staff Developer Advocate: https://jobs.ashbyhq.com/livekit/030026fa-0f4c-4eb9-9dfa-c1a... >> Sales-Engineer (Pre-sales): https://jobs.ashbyhq.com/livekit/264ceda2-1de1-4ea2-912a-a4d...

What we are looking for: Builders!!!! >Passion for building something truly impactful >>Remote company, first principles, global presence!

Rocket Alumni Solutions | https://rocketalumnisolutions.com | Technical Product Manager, Frontend Engineer | REMOTE (Crossover with EST timezone) | Full-time | $100k - $180k USD.

Rocket Alumni Solutions builds interactive recognition displays for schools, universities, and organizations. In 2025, we’ll surpass 1,400 touchscreen installations — profitable and scaling rapidly.

We're looking for a Technical Product Manager (description here: https://www.rocketalumnisolutions.com/hiring/technical-produ...)

Apply for Technical Product Manager: https://forms.gle/p32liyfnlva8tsyt7

We're also looking for a Frontend Vue/TypeScript/Playwright Engineer (description here: https://forms.gle/quvemqavkazsmse8a)

Apply for Frontend Engineer: https://forms.gle/quvemqavkazsmse8a