Javascript Jobs in Web3

About Paradex Paradex isn’t just another decentralized exchange—it’s a Super App. We’ve combined three powerful financial primitives: Exchange, Asset Management, and Borrow/Lend Markets, all seamlessly composable and accessible through one unified account that uses your entire portfolio as collateral, including any spot and derivative assets. Trade, earn, borrow, lend, and grow your on-chain identity—all in one place. Backed by top-tier investors and incubated by Paradigm, we are scaling rapidly. Come help us grow! Quick Facts

$50 Billion Lifetime Volume $180 Million Average Daily Volume $35 Million Total Value Locked Paradex is committed to building transparently in public 👉 key platform stats

Your mission As a key member of the backend engineering team, you’ll own the entire lifecycle of major features—from concept to launch—working closely with product and engineering teams across the company. We're looking for someone with deep expertise in distributed systems and hands-on experience building on blockchain smart contract platforms. You’ll work in a dynamic cross-functional team, driving high-impact features that directly benefit our users. Some projects will focus on enhancing the customer experience, while others will tackle the critical challenges of scalability, integrations, and performance optimization. What You’ll Do

Protocol Development: Design and implement a decentralized protocol for crypto derivatives trading, including developing, testing, and deploying backend systems and smart contracts. API and SDK Development: Design and develop APIs and SDKs to support robust trade execution services. System Monitoring: Own monitoring, alarming, analytics, and reporting for all services you build, ensuring they meet high performance and responsiveness standards. Effective Communication: Collaborate and communicate requirements effectively within and across teams to ensure alignment on project goals.

What You Bring

Proven Experience: 5+ years of backend engineering experience, ideally from ideation to launch within a strong engineering team. Technical Expertise: In-depth knowledge and hands-on experience with modern programming languages like Javascript, Python, Golang, Java, C++. Proficiency in basic cryptography and experience with Solidity for creating upgradeable smart contracts. Blockchain Proficiency: Hands-on experience building on blockchain platforms, comfortable with cloud-native AWS infrastructure and/or Kubernetes. Cryptocurrency Knowledge: Deep understanding of the cryptocurrency ecosystem and underlying technologies like blockchain, PoW, PoS, and L1/L2 technologies. Innovative Mindset: Interest in ZK-Rollups and cutting-edge blockchain technologies.

At Paradex we're doing something different. Moving forward we ask all candidates to send in a video with their application, telling us why they want to be part of the team. The video should be no longer than 1 minute and via a link to a streaming platform of your choice. (No files or download links will be accepted) Your Perks & Benefits

Competitive Pay: Top-tier compensation in the industry. Generous PTO: Unlimited vacation. Full Benefits: Comprehensive packages tailored by country. Technology & Learning Allowances: 3,500 USD for your first-year setup, $2,000 USD refresh every 2 years, plus $1,000 USD annually for learning and development