Security Engineer Jobs in 2026
Security engineer, penetration tester, AppSec, and DevSecOps roles. Protect systems and data at leading companies.
Senior Rust Engineer
About Helius
Helius is a leading developer platform on the Solana blockchain, dedicated to inspiring and accelerating the creation of crypto-powered software. Customers like Coinbase, Jupiter, and Phantom use Helius to power their applications on Solana.
We’ve raised over $34m from Haun Venture...
Senior Business Development (Web3 Security)
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, proto...
Research Project Manager
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, prot...
Technical Project Manager
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, proto...
Smart Contract Engineer
Across’ purpose
Across is to fulfill crypto’s potential by making blockchains more usable, more accessible and more efficient.
Across’ Vision
Intents are the standard in cross-chain interoperability.
Who is Risk Labs?
Risk Labs is the foundation and core team behind UMA, and some top t...
Product Lead US (On-Ramp)
Hi! We’re Mercuryo, and we’re on a mission to redefine finance by blending the best of traditional banking with the innovations of decentralized finance (DeFi). We believe that everyone should have easy access to Web3 and traditional financial services — and we’re making that happen by building a ro...
Technical Head of Investor Engagement & Fundraising
About IFT:
IFT is a pioneering force in the Web3 ecosystem, committed to the development, adoption, and accessibility of solutions to digital age problems; guided by our principles: liberty, censorship resistance, security, privacy, and inclusivity. Our mission is to build public goods to safegu...
AI Prompt Engineer
We are seeking an AI Prompt Engineer to play a pivotal role in shaping how AI interacts with users within our ecosystem. Your primary responsibility will be to design, refine, and optimize prompts that enhance the performance, accuracy, and contextual understanding of AI models aligned with our prod...
Corporate Lawyer
We are three sister companies—AdamSmith Law Office (Lithuania) and Eesti Firma OÜ (Estonia)—specializing in commercial law and accounting. With offices in Estonia, Lithuania, and the Czech Republic, we provide a full range of business services, from company incorporation and financial licensing to t...
Software Engineering Manager - Cloud - Flex/Remote - F/H
Scalingo est une startup technologique en pleine croissance, dédiée à la création d'une plateforme cloud souveraine européenne qui simplifie le quotidien des développeuses et développeurs. Notre solution permet de déployer et d'héberger des applications web et des bases de données rapidement, sans n...