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Seal Labs

Blockchain Developer ( Frontend & Backend )

Early Applicant
  • Posted 26 days ago
  • Be among the first 10 applicants

Job Description

About the Role:

We are expanding our team with following positions:

  • Senior Backend Developer (Rust/Move) building core protocol infrastructure and smart contracts.
  • Frontend Developer (React/Next.js) building user-facing blockchain applications.

Youll be part of a team developing DeFi infrastructure on the Sui blockchain, where both system performance and user experience are key.

1. Senior Backend Developer

Key Responsibilities:

  • Develop scalable backend services in Rust.
  • Design and implement smart contracts with Move on Sui blockchain.
  • Build and maintain APIs for protocol interactions and data aggregation.
  • Optimize algorithms for liquidity routing and trade execution.
  • Collaborate with frontend engineers for seamless integration.

Requirements:

  • 4+ years of experience and strong proficiency in Rust and backend system design.
  • Familiarity with Move smart contracts and blockchain concepts.
  • Understanding of distributed systems & asynchronous programming.
  • Problem-solving skills and willingness to learn across domains.

Nice-to-have

  • Experience with DeFi protocols, DEX/AMM mechanics, liquidity pools.
  • Knowledge of cryptography, price oracles, or Web3 infrastructure.
  • Background in event-driven systems (WebSocket, Kafka, Redis, Clickhouse).

2. Frontend Developer

Key Responsibilities:

  • Develop web and mobile interfaces for blockchain & DeFi applications.
  • Build responsive UIs with React/ Next.js that interact directly with blockchains.
  • Ensure scalability, speed, and cross-browser compatibility.
  • Debug, optimize, and write unit tests for high-quality delivery.
  • Collaborate with designers and backend engineers to create smooth UX.

Requirements:

  • 4+ years of experience and proficiency in TypeScript, React, Next.js.
  • Understanding of blockchain architecture, protocols, and smart contracts.
  • Familiarity with DApps and Web3 development tools.

Nice-to-have

  • Knowledge of at least one backend language (Rust, Go, Python).
  • Experience with multiple frontend frameworks (Vue.js, Angular).
  • Familiarity with web cryptography and best practices for blockchain apps.

What we offers

  • Competitive salary with 2 annual performance reviews.
  • Project-based token bonus.
  • Direct impact on the SUI ecosystem by building core DeFi infrastructure.
  • Learning & development support (AI automation training, conferences).
  • Teal organizational culture with a remote-first, adaptive environment.

Email: [Confidential Information]

More Info

Industry:Other

Function:Blockchain/Defi

Job Type:Permanent Job

Date Posted: 06/09/2025

Job ID: 125585745

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Last Updated: 02-10-2025 11:24:07 PM
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