Backend Engineer, Reporting Systems - Contract 6mo

About the Role

You will design, develop, and maintain APIs to extract crypto asset data from counterparties and block explorers. You will normalize raw data, implement scalable storage and retrieval solutions, and write and optimize complex SQL and NoSQL queries to support reporting. You will build internal dashboards and data interfaces (using tools like Retool), produce reports for vesting schedules, counterparty exposures, and portfolio positions, and maintain documentation while ensuring data protection and processing compliance.

Requirements

  • Bachelor's or Master's degree in Computer Science Data Science or a related field
  • 3–5 years of experience in backend engineering roles
  • Strong expertise in SQL and relational databases
  • Proven experience designing and managing APIs
  • Familiarity with blockchain technologies smart contracts and decentralized finance
  • Ability to build backend-powered data visualizations and reporting interfaces
  • Experience with fast-paced ambiguous environments and solution-oriented problem solving
  • Passion for cryptocurrency and blockchain technology
  • Preferred experience with Google Cloud BigTable or AWS
  • Prior work experience in the crypto or blockchain industry preferred

Responsibilities

  • Design, develop and maintain APIs to extract crypto asset data from counterparties and block explorers
  • Ensure high reliability performance and security across data pipelines
  • Build internal dashboards and data interfaces using Retool
  • Normalize raw data to ensure accuracy and consistency across systems
  • Implement scalable data storage and retrieval solutions
  • Write and optimize complex SQL and NoSQL queries to support reporting
  • Partner with asset operations finance and investments to gather data requirements
  • Build dashboards and reports for smart contract vesting schedules counterparty exposures and portfolio positions
  • Maintain clear documentation for APIs data models and reporting tools
  • Ensure compliance with data protection and processing standards

Skills

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Backend Engineer, Reporting Systems - Contract 6mo at Polychain | JobStash