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Solana Blockchain Engineer

Solana Blockchain Engineer

GoQuantKollam, IN
7 hours ago
Job description

SOLANA BLOCKCHAIN ENGINEER (RUST) (Paid)

Role Overview

Job Title : Solana Blockchain Engineer - Smart Contracts & Settlement Infrastructure

Company : GoQuant Technologies Inc.

Location : Remote

Employment Type : Full-time

Start Date : Immediate

Primary Responsibilities

Smart Contract Development (60%)

  • Design and implement Solana programs using Rust and Anchor framework
  • Build perpetual futures contracts with dynamic funding rates (1-second calculation, hourly payment)
  • Develop position management system supporting up to 1000x leverage with robust liquidation mechanics
  • Implement collateral vaults, margin calculations, and PnL tracking
  • Create ephemeral wallet authority system with on-chain permission management
  • Build settlement batching mechanisms for high-throughput trade execution

Settlement Infrastructure (30%)

  • Develop transaction batching and relayer services for efficient on-chain settlement
  • Implement Merkle tree verification for trade batch integrity
  • Build wallet transaction signing infrastructure for automated settlement
  • Create monitoring systems for failed settlements and automatic retry logic
  • Design and implement program-controlled vaults with secure custody patterns

    • Integration & Testing (10%)

  • Integrate with Pyth / Switchboard price oracles for mark price and funding rates
  • Build comprehensive test suites (unit, integration, and on-chain testing)
  • Deploy and maintain programs on Solana devnet / testnet / mainnet
  • Performance optimization for high-frequency trading scenarios
  • Documentation of smart contract architecture and settlement flows

    • Key Technical Challenges

  • Performance : Handle 100+ trades / second with sub-second settlement latency
  • Security : Manage user funds non-custodially with multiple safety mechanisms
  • Scalability : Batch thousands of trades efficiently to minimize transaction costs
  • Risk Management : Build real-time liquidation systems that protect protocol solvency
  • UX : Enable fast trading via ephemeral wallets while maintaining security

    • Required Qualifications

    Technical Skills :

  • 3+ years of professional Rust development experience
  • 1+ years building on Solana (programs deployed to mainnet preferred)
  • Strong understanding of Solana's programming model (accounts, PDAs, CPIs, rent)
  • Experience with Anchor framework for Solana program development
  • Proficiency with cryptographic signatures and wallet transaction signing
  • Deep knowledge of blockchain fundamentals (consensus, finality, state management)

    • DeFi Experience :

  • Understanding of perpetual futures mechanics (funding rates, leverage, liquidations)
  • Experience with DeFi protocols (DEXs, lending, derivatives)
  • Knowledge of oracle integration patterns
  • Familiarity with common DeFi security patterns and vulnerabilities

    • Software Engineering :

  • Strong systems programming background
  • Experience with concurrent / parallel programming
  • Ability to write clean, well-tested, production-quality code
  • Comfortable working in fast-paced startup environment
  • Self-directed with strong problem-solving skills

    • Preferred Qualifications

  • Experience building settlement / relayer infrastructure for DEXs
  • Knowledge of dark pool or institutional trading mechanics
  • Contributions to open-source Solana projects
  • Experience with Solana web3.js, anchor-ts, or similar SDKs
  • Background in smart contract security auditing
  • Familiarity with TypeScript / Node.js for off-chain components
  • Understanding of market maker systems and order book mechanics
  • Previous work on high-leverage or derivatives protocols
  • Experience with program upgrades and migration strategies
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    Engineer • Kollam, IN