Ask HN: Who is hiring? (July 2026)

ChainSecurity | Blockchain Security Engineer | Full-time | INTERNS , HYBRID/REMOTE, Zurich, Switzerland | VISA possible (for an employment) | 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: jobs@chainsecurity.com

Sequent Tech | Senior Fullstack Engineer | REMOTE (Global) | Full-time | sequentech.io

Sequent builds cryptographically secure online voting infrastructure used in 200+ real elections across multiple countries. We're a fully remote team working on an open-source platform combining Rust, TypeScript, and modern DevOps. We handle End-to-end encrypted voting, cryptographic mixnets, and tamper-evident logging.

Tech Stack: Rust, TypeScript/React, WebAssembly, GraphQL, PostgreSQL, Keycloak

Open Roles:

Senior Fullstack Engineer (Rust + TypeScript/React)

Reach out: team@sequentech.io

Storepass | Senior Software Engineer, Quality Assurance, Sales and Marketing, Customer Service Representative | ONSITE, Burlingame, CA | Full-Time | $40k-$150k

Storepass is a profitable SaaS company helping game stores sell Pokemon cards, TCGs, board games, and related inventory online. We build ecommerce, inventory, pricing, buylist, and store operations tools for retailers, including integrations with platforms like Shopify and BigCommerce.

Open roles:

Senior Software Engineer | $100k-$150k Build core product features, improve platform stability and performance, and help shape technical direction. Stack: Node.js, Express.js, React, MongoDB.

Quality Assurance | $45k-$70k Test retailer workflows across inventory, pricing, buylist, ecommerce, and POS tools. Reproduce issues, write clear bug reports, run regression checks, and work closely with product, engineering, and support.

Sales and Marketing | $45k-$75k Run product demos, follow up with interested stores, research good-fit retailers, and help build outbound campaigns and messaging.

Customer Service Representative | $40k-$55k Help stores use Storepass successfully through email, chat, and phone support. Troubleshoot product issues, document customer feedback, and work with the product team to improve the experience.

We’re especially interested in people who like small teams, high ownership, ecommerce, retail workflows, and trading card games.

Apply: https://storepass.co/jobs Email: trent@storepass.co

CoVar | Durham, NC | https://covar.com/ | Full-time | ONSITE

CoVar is a small R&D company specializing in AI/ML and software development for defense and healthcare. Bootstrapped and profitable. We're looking for a jack-of-all-trades who can: prototype computer vision algorithms, build Python web services, wrangle large sets of data from disparate classes of sensors, ... any or all, with the only hard requirement being eagerness to learn.

Visit covar.com for more information on our current openings!

This isn’t a job board for high-paying SE jobs. It’s for people who want to gamble on joining early-stage startups.