Principal Backend Engineer

Paradex is a cutting-edge decentralized exchange (DEX) built on an Ethereum Layer 2 solution tailored for high-performance derivatives trading. Our platform features lightning-fast order execution, deep liquidity powered by Paradigm, and innovative on-chain risk management. Built on Starknet’s first Appchain, Paradex leverages advanced zero-knowledge technology for secure, scalable transactions. Backed by top-tier investors and incubated by Paradigm, we’re rapidly growing and committed to building a transparent and adaptable DEFI ecosystem. Join us as we push the boundaries of blockchain, finance, and engineering.

The role

As a core member of our backend team, you will build and maintain major features, through inception, design, implementation and launch, working closely with product and engineering disciplines across the company. You will spend the majority of your time on cross-functional self-contained feature teams focused on delivering value to the customer, while other projects will be more internally focused on reliability, scalability, and performance.

Responsibilities

• Design, build and maintain scalable, secure web services and distributed systems
• Design and develop robust solutions for trade negotiation and execution, real-time market data, authentication and security
• Help maintain existing codebase, infrastructure, test coverage, and documentation
• Communicate requirements effectively within and across teams
• Participate in on-call rotations to assist in resolving production incidents

Requirements

• 8+ years of backend engineering experience, ideally building products from ideation to launch with a strong engineering team
• Working knowledge of Python and/or Golang
• Working knowledge of Database technologies(SQL/NOSQL), Caching Technologies and Distributed messaging systems
• Experience monitoring and scaling microservice-oriented systems
• Familiarity with websocket architecture and implementation
• Team-building and technical leadership experience
• Willingness to learn new technologies and domains

Nice to have

• Experience with distributed systems: Kafka/NATs/DynamoDb/Postgres/Redis
• Experience working with cloud-native AWS infrastructure and/or Kubernetes

About Paradex

🥇  First Appchain on Starknet

🥇  First to pilot 40 Million Cairo Steps / Block on Mainnet

🥇  First to deploy Quantum Leap (Starkware’s New Rust Sequencer)

👉  First to leverage fully open source Sequencer + Prover stack for escape hatch solution (Q224)

• Paradex’s V1 go-to-market focuses on perpetual futures trading, however our mission is to develop a permissionless and adaptable ecosystem for DEFI builders and developers. This ecosystem aims to support a broad range of on-chain financial services and innovation within the Paradex L2 framework, such as borrowing, lending, fund management, and structured products.
• We are backed by the leading traders and investors in the space, including Jump Capital, Dragonfly Capital, DCG, QCP Capital, GSR, Amber Group, Optiver, IMC Trading, Akuna Capital, CMT Digital, Avon Ventures (Fidelity), Vectr Ventures and many more large institutions.
• We are incubated by Paradigm, the largest institutional liquidity network in crypto and global leader in crypto options with over 30% market share and $20B in monthly volume.
• Our team consists of seasoned industry professionals and innovative technologists drawing experience and expertise from a wide range of preeminent firms across the cryptocurrency, financial and big tech industries (Binance, Bitmex, Genesis, Paradigm, Goldman Sachs, Morgan Stanley, Google, Meta etc). The team is deeply committed to advancing the intersection of blockchain, finance, and engineering.

Highlights

We are growing at lightspeed, achieving $200 million in average daily volume (ADV) within just five months of launch.

• $13B Lifetime Volume (launched Closed Beta in Oct 23)
• $9m Total Value Locked
• Paradex is committed to building transparently in public, we openly share our key platform stats