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Senior Blockchain Engineer

Remote · Sri Lanka Full-time

Responsibilities

  • Blockchain Data Engineering
  • Develop and maintain Solana blockchain ingestion systems
  • Work with Solana Validator and Geyser plugins-
  • Parse and decode on-chain transactions, logs, and program instructions-
  • Implement reliable block, transaction, and account indexing pipelines-
  • Handle slot tracking, forks, and reorg scenarios
  • On-Chain Intelligence Development
  • Decode SPL token transfers and major Solana DeFi protocols-
  • Build logic for:
  • wallet activity tracking
  • token movement analysis
  • liquidity and trading behavior detection
  • Design derived blockchain datasets for analytics and AI models-
  • Collaborate with data engineers to publish structured events into streaming systems
  • Protocol & Ecosystem Integration
  • Integrate data from Solana programs (DEXs, liquidity pools, NFT protocols)
  • Maintain program decoder libraries
  • Monitor protocol upgrades and ecosystem changes
  • Optimize blockchain querying and indexing performance
  • Platform Collaboration
  • Work with backend engineers on real-time processing pipelines
  • Collaborate with DevOps teams on validator deployment and performance tuning
  • Support ML teams with structured blockchain datasets
  • Participate in architecture discussions and technical planning

Qualifications

  • 3+ years software engineering experience
  • Hands-on experience working within the Solana blockchain ecosystem
  • Strong understanding of:
  • Solana accounts model
  • transactions & instructions
  • SPL Token program
  • RPC & WebSocket APIs
  • Experience building blockchain integrations or payment systems
  • Experience with Rust, Go, or TypeScript
  • Understanding of secure transaction handling and confirmations

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