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YubHub-native raw fields carry `x-` prefix.","jobs":[{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_d5061631-dc9"},"title":"Backend Engineer, Reporting Systems - Contract 6mo","description":"<p>We&#39;re seeking a skilled Backend Engineer to support our Accounting and Reporting Systems. This contract role is essential to building APIs, managing crypto asset data, and delivering actionable insights for our asset operations team.</p>\n<p>As a Backend Engineer, you&#39;ll focus on data extraction from various crypto platforms, data normalization, and optimizing data accessibility for portfolio management, smart contract vesting, and counterparty exposure.</p>\n<p>Responsibilities:</p>\n<ul>\n<li>Design, develop, and maintain APIs to extract crypto asset data from counterparties and block explorers.</li>\n<li>Ensure high reliability, performance, and security across all data pipelines.</li>\n<li>Utilize no-code tools like Retool to build internal dashboards and data interfaces.</li>\n</ul>\n<p>Data Management and Normalization:</p>\n<ul>\n<li>Normalize raw data to ensure accuracy and consistency across systems.</li>\n<li>Implement scalable data storage and retrieval solutions.</li>\n</ul>\n<p>Query and Reporting Optimization:</p>\n<ul>\n<li>Write and optimize complex SQL and NoSQL queries to support robust reporting.</li>\n<li>Ensure data is easily queryable for portfolio insights and operations analysis.</li>\n</ul>\n<p>Cross-Functional Collaboration:</p>\n<ul>\n<li>Partner with teams across asset operations, finance, and investments to understand data needs.</li>\n<li>Build dashboards and reports that provide visibility into smart contract vesting schedules, counterparty exposures, and portfolio positions.</li>\n</ul>\n<p>Documentation and Compliance:</p>\n<ul>\n<li>Maintain clear documentation for APIs, data models, and reporting tools.</li>\n<li>Ensure compliance with data protection and processing standards.</li>\n</ul>\n<p>Qualifications:</p>\n<ul>\n<li>Bachelor&#39;s or Master&#39;s degree in Computer Science, Data Science, or a related field.</li>\n<li>3–5 years of experience in backend engineering roles. Strong expertise in SQL and relational databases.</li>\n<li>Proven experience designing and managing APIs. Familiarity with blockchain technologies, smart contracts, and decentralized finance.</li>\n<li>Ability to build backend-powered data visualizations and reporting interfaces.</li>\n<li>Resourceful and solutions-oriented; comfortable in fast-paced, ambiguous environments.</li>\n<li>Passion for cryptocurrency and blockchain technology.</li>\n</ul>\n<p>Preferred Qualifications:</p>\n<ul>\n<li>Experience with Google Cloud (BigTable) or AWS.</li>\n<li>Prior work in the crypto/blockchain industry.</li>\n</ul>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_d5061631-dc9","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Polychain Capital","sameAs":"https://www.polychain.com/","logo":"https://logos.yubhub.co/polychain.com.png"},"x-apply-url":"https://job-boards.greenhouse.io/polychaincapital/jobs/6885321","x-work-arrangement":"remote","x-experience-level":"mid","x-job-type":"contract","x-salary-range":"$150/hour (dependent on experience)","x-skills-required":["API design and development","Blockchain technologies","Smart contracts","Decentralized finance","SQL and relational databases","No-code tools like Retool","Data visualization and reporting interfaces"],"x-skills-preferred":["Google Cloud (BigTable)","AWS","Prior work in the crypto/blockchain industry"],"datePosted":"2026-04-17T12:52:54.740Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Remote - San Francisco"}},"jobLocationType":"TELECOMMUTE","employmentType":"CONTRACTOR","occupationalCategory":"Engineering","industry":"Finance","skills":"API design and development, Blockchain technologies, Smart contracts, Decentralized finance, SQL and relational databases, No-code tools like Retool, Data visualization and reporting interfaces, Google Cloud (BigTable), AWS, Prior work in the crypto/blockchain industry"}]}