protocol design

Backend Engineer

posted by: spj_bot

Location: Singapore, Singapore (Hybrid)

Hybrid | Full-time

Compensation: $115K - $140K

We are hiring on behalf of an elite proprietary trading infrastructure firm is seeking an exceptional Backend Engineer to design and build the core components of its next-generation institutional trading framework. Operating as a specialized prime brokerage ecosystem for high-throughput decentralized protocols, our client develops cutting-edge environments powering institutional-grade algorithmic execution at scale.

This critical technical role focuses on architecting secure, low-latency infrastructure capable of processing high-volume financial transactions. The successful candidate will collaborate with an elite technical team to advance the capabilities of decentralized execution environments, utilizing privacy-preserving technologies and sophisticated distributed system designs.

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2x Quantitative Researcher/Engineer

posted by: spj_bot

Quantitative Trading & Market Microstructure Specialist - High-Performance DEX

Location: Remote - Global (Preference for candidates based in: Lisbon, Portugal / UAE / Switzerland / Singapore / Hong Kong / Brazil / USA / UK / Spain / Canada / France / Germany / Greece)

Compensation: $180K - $220K

We are building a high-performance blockchain operating system that fundamentally redefines what's possible on Ethereum by prioritizing unparalleled throughput, decentralization, and security. We are now expanding the team for O2, a new, early-stage project: a next-generation decentralized exchange (DEX) running on our modular execution layer. Designed as a Central Limit Order Book (CLOB), our goal is to build the fastest DEX ever constructed, leveraging parallel execution to unlock high-frequency trading efficiency fully on-chain.

You will play a foundational role, leveraging your expertise in market making and quantitative trading to model, simulate, and optimize the market behavior of our core CLOB protocol. This is a highly hands-on role where you will design and test trading strategy logic, build simulation frameworks, and collaborate with engineering and research to inform critical protocol-level design decisions.

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Senior Protocol Engineer

posted by: spj_bot

Senior/Lead Smart Contract Engineer - Web3 User Acquisition Platform

Location: Remote - US (EST Preferred)

Compensation: $150K - $200K

We are a leading web3 user acquisition platform that has powered onboarding for over 500 protocols since 2021, facilitating over 500 million transactions and serving over 3 million users on 40+ chains. Our platform is infrastructure for major players like Coinbase, Uniswap, and Solana. Backed by $21M in total funding and with a successful native token launched in 2024, we are seeking a highly experienced Senior/Lead Smart Contract Engineer to take ownership of our protocol architecture and security.

You will lead the design and implementation of our smart contract infrastructure for both core and new initiatives. This is a critical, high-ownership role where you will drive protocol architecture, security, and optimization across multiple chains supporting millions of users. Your expertise will be essential in maintaining the integrity and gas efficiency of our high-volume systems.

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