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Senior Backend Engineer building offchain infrastructure for the Omni Account blockchain wallet, designing scalable concurrency-heavy backend services that coordinate with Solidity smart contracts.
You audit and harden ZKsync’s core systems—smart contracts, ZK circuits, and blockchain nodes—using threat modeling and adversary research to find and fix vulnerabilities before attackers do.
Intern on Galaxy's Product Security team helping develop and refine secure engineering standards (auth, API security, web UI security, secure coding) and build custom libraries/resources for engineering teams, using Python/Rust/C++/Solidity and GenAI tools.
This cybersecurity internship involves developing secure engineering standards, guidance for authentication and APIs, and creating custom security libraries. The role requires programming skills in languages like Python or Rust and an interest in the cryptocurrency ecosystem.
Junior Software Engineer developing quantitative trading systems in C++ and Python, including market data processing, order routing, algorithmic trading frameworks, and risk management tools, with second-line support responsibilities for deployed systems.
C++ Software Engineer building low-latency electronic trading systems—market data processing, order routing, and algorithmic trading frameworks—using C++ and Python at a quantitative trading firm.
An Air Liquide Healthcare company, subsidiary of the Air Liquide group, Seppic (www.seppic.com) has been designing, manufacturing, and marketing unique ingredients for cosmetic, pharmaceutical, nutraceutical and…
We are looking for a full stack developer who is comfortable owning a feature from the database schema to the last pixel and who already builds with AI as a core part of how they work, not as a novelty. You will build…
Lead Architect on JPMorgan's Kinexys blockchain team, designing and building secure, resilient blockchain solutions (Ethereum, Solana, smart contracts) while leveraging enterprise AI tools for architecture decisions in a controlled financial environment.
The Blockchain Developer will design and maintain enterprise-grade decentralized applications, smart contracts, and blockchain-integrated backend services. The role involves building secure, scalable solutions using Solidity, .NET Core, Java, or Node.js to support financial and digital asset management systems.
Verso Finance is seeking a Blockchain Developer to integrate new assets into their mobile and desktop wallets using JavaScript, React, and Node.js. The role involves working with full node software, smart contracts, and cross-functional teams to improve transaction success rates and user experience.
Senior Test Engineer at Volvo Cars evaluating vehicle NVH, squeak and rattle, and solid feel using acoustic measurement equipment and NVH software on vehicles and component rigs in Gothenburg.
Company Overview & Vision Founded in Singapore in April 2026, CITA Lab is a dynamic software development startup dedicated to building high-quality, custom blockchain-related products tailored specifically to our…
[CITA LAB] BLOCKCHAIN ENGINEER (FRONTEND / BACKEND / MOBILE) Work Location: Full-time Remote / Part-time Remote Salary: Up to $120,000 USD / year (Commensurate with experience and capability) Company Overview &…
Build and maintain secure, scalable back-end integrations for digital asset services using Java/Spring Boot, Kafka, and AWS, ensuring compliance with financial regulations.
Senior backend engineer building and owning a regulated crypto-custody platform, integrating chains (Bitcoin, Ethereum, Solana) and key-management flows with Go/Rust.
The Senior Blockchain Developer will design and build Web3 components, smart contracts, and backend services for a digital asset platform within a financial institution. The role involves using Java/Spring, Node.js, and Solidity to implement event-driven architectures and secure blockchain integrations.
Designs and builds backend systems for blockchain infrastructure and staking products, focusing on Ethereum-based systems, APIs, and distributed systems using Golang and cloud-native tools.
3METAD is seeking a Web and Solidity developer to build decentralized applications, smart contracts, and gaming content for the metaverse. This is a part-time, revenue-share based role requiring expertise in blockchain technologies and full-stack web development.
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