{"version":"0.1","company":{"name":"YubHub","url":"https://yubhub.co","jobsUrl":"https://yubhub.co/jobs/skill/defi-protocols"},"x-facet":{"type":"skill","slug":"defi-protocols","display":"Defi Protocols","count":2},"x-feed-size-limit":100,"x-feed-sort":"enriched_at desc","x-feed-notice":"This feed contains at most 100 jobs (the most recently enriched). For the full corpus, use the paginated /stats/by-facet endpoint or /search.","x-generator":"yubhub-xml-generator","x-rights":"Free to redistribute with attribution: \"Data by YubHub (https://yubhub.co)\"","x-schema":"Each entry in `jobs` follows https://schema.org/JobPosting. YubHub-native raw fields carry `x-` prefix.","jobs":[{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_87a942b2-3e0"},"title":"Senior Software Engineer | Blockchain","description":"<p>About Daylight</p>\n<p>Daylight is the decentralised energy company. We&#39;re building a protocol that converts distributed solar and storage systems into yield-bearing infrastructure. These assets are deployed behind the meter in American homes and businesses, generating electricity revenues that flow onchain as a single, liquid yield token.</p>\n<p>Our team brings together energy and crypto veterans who believe in a future where communities power themselves. Backed by a16z, Framework, and other industry-leading investors, we&#39;re building the infrastructure to make that vision a reality.</p>\n<p>The Role</p>\n<p>As a Senior Software Engineer | Blockchain at Daylight, you&#39;ll play a crucial role in developing our Django APIs and backend services that support our mobile app and partner integrations as well as designing the interactions with our smart contracts onchain. You&#39;ll build functionality that helps homeowners monitor, control, and optimise their energy usage while participating in our decentralised energy network.</p>\n<p>We&#39;re an early-stage startup, so this role goes beyond just writing code. You&#39;ll have significant input on architecture decisions, user experience, and product direction. As we scale, there will be opportunities to grow into a leadership or management position, mentoring junior developers and shaping our backend development strategy and onchain integrations.</p>\n<p>This role is ideal for someone who is passionate about crypto and clean energy, values craftsmanship in their code, and thrives in dynamic startup environments where your work has a direct impact on the product&#39;s success and the company&#39;s mission.</p>\n<p>Responsibilities</p>\n<ul>\n<li><p>Develop and maintain scalable API endpoints that support vendor/partner integrations</p>\n</li>\n<li><p>Collaborate with cross-functional teams to define, design, and ship innovative features</p>\n</li>\n<li><p>Continuously monitor performance and resolve bottlenecks and bugs across all endpoints</p>\n</li>\n<li><p>Champion code quality, automation, and comprehensive testing practices</p>\n</li>\n<li><p>Design and implement Solidity smart contracts that underpin Daylight&#39;s decentralised energy markets</p>\n</li>\n<li><p>Develop Daylight&#39;s decentralised data storage and validation layer using modern frameworks (e.g. Commonware, Snapchain L3)</p>\n</li>\n<li><p>Architect secure oracle flows to feed real-world energy data onchain</p>\n</li>\n<li><p>Contribute to architecture planning and drive technical design decisions that ensure scalability and security</p>\n</li>\n<li><p>Optimise the application stack for maximum speed and reliability</p>\n</li>\n<li><p>Embrace CI/CD methodologies and infrastructure-as-code practices to streamline deployments</p>\n</li>\n</ul>\n<p>What we&#39;re looking for</p>\n<ul>\n<li>5+ years of experience developing APIs and backend services</li>\n<li>2+ years of experience writing Solidity smart contracts</li>\n<li>Strong understanding of API Development and best practices</li>\n<li>Experience with Python, Django, PostgreSQL and Redis</li>\n<li>Proficiency in writing clean, readable, and well-documented code</li>\n<li>Experience with REST APIs, GraphQL, and network request handling</li>\n<li>Familiarity with version control systems, particularly Git</li>\n<li>Knowledge of backend performance profiling and optimisation techniques</li>\n<li>Experience with testing and managing AWS infrastructure and Kubernetes</li>\n<li>Familiarity with crypto and related infrastructure, specifically EVM</li>\n<li>Ability to work in a fast-paced environment with changing requirements</li>\n<li>Strong problem-solving skills and attention to detail</li>\n<li>Familiarity with DeFi protocols, especially stablecoins, lending markets, liquid staking, or yield optimisation systems</li>\n<li>Experience integrating offchain data via oracles</li>\n</ul>\n<p>What we offer</p>\n<ul>\n<li>Competitive salary and equity package</li>\n<li>Opportunity to shape a category-defining product from the ground up</li>\n<li>Comprehensive health, dental, and vision insurance</li>\n<li>Wellhub membership</li>\n<li>Monthly wellness stipend</li>\n</ul>\n<p>Daylight values diversity and welcomes applications from all qualified candidates. 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Our protocol interacts with energy hardware in the real world and tokenizes the value of flexible energy capacity into crypto-native incentives,bridging digital and physical infrastructure through verifiable smart contracts, oracles, and data integrations.</p>\n<p><strong>Responsibilities</strong></p>\n<ul>\n<li>Design and implement Solidity smart contracts that underpin Daylight’s decentralized energy markets</li>\n<li>Lead architecture decisions for our EVM-based systems across mainnet and L2s</li>\n<li>Manage crosschain deployments and integrations using LayerZero, Wormhole, or similar technologies</li>\n<li>Develop core logic for staking, token issuance, energy capacity verification, and rewards</li>\n</ul>\n<p><strong>Data Integration &amp; Oracles</strong></p>\n<ul>\n<li>Architect secure offchain data flows to feed real-world energy data into onchain systems</li>\n<li>Work with oracles and custom data infrastructure to bridge between energy hardware, APIs, and contracts</li>\n<li>Design and maintain trust assumptions, verification mechanisms, and upgrade paths</li>\n</ul>\n<p><strong>Backend Engineering</strong></p>\n<ul>\n<li>Support Daylight’s core backend team as needed with Python/Django development</li>\n<li>Help design and maintain APIs that interact with contracts and power our frontend applications</li>\n<li>Participate in DevOps, testing, and deployment of protocol-related services</li>\n</ul>\n<p><strong>Security &amp; Auditing</strong></p>\n<ul>\n<li>Lead internal security reviews and coordinate third-party audits of smart contracts</li>\n<li>Stay up-to-date on known exploits and best practices in DeFi and crosschain architecture</li>\n</ul>\n<p><strong>Product Strategy &amp; R&amp;D</strong></p>\n<ul>\n<li>Contribute to protocol incentive design, economic modeling, and simulations</li>\n<li>Evaluate new technologies, frameworks, and cryptoeconomic primitives to inform</li>\n</ul>\n<p><strong>What we’re looking for</strong></p>\n<ul>\n<li>3+ years of experience developing and deploying Solidity smart contracts in production</li>\n<li>Deep familiarity with DeFi protocols,especially stablecoins, lending markets, staking, or yield systems</li>\n<li>Experience with crosschain development (e.g., LayerZero, Wormhole, Axelar)</li>\n<li>Proven experience integrating offchain data via oracles (Chainlink, Chronicle, custom feeds)</li>\n<li>Understanding of EVM security, auditing practices, and gas optimization</li>\n<li>Comfortable writing and reviewing Python code and supporting traditional backend engineering tasks</li>\n<li>Passion for clean energy, decentralization, and building systems with real-world impact</li>\n<li>Based in NYC, excited to collaborate in-office</li>\n</ul>\n<p><strong>What we offer</strong></p>\n<ul>\n<li>Competitive salary and equity package</li>\n<li>Medical, dental, and vision insurance</li>\n<li>Monthly wellness and Wellhub stipend</li>\n<li>Opportunity to shape a category-defining protocol from the ground up</li>\n<li>Work in-person with a deeply motivated team in New York City</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_335b661c-041","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Daylight","sameAs":"https://www.godaylight.com","logo":"https://logos.yubhub.co/godaylight.com.png"},"x-apply-url":"https://job-boards.greenhouse.io/daylight/jobs/4775068008","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":null,"x-skills-required":["Solidity","DeFi protocols","Crosschain development","Offchain data integration","EVM security","Python","Django"],"x-skills-preferred":["L2-native or modular appchains","Protocol simulations","Open-source protocols","DERs","Energy hardware","Grid operations"],"datePosted":"2026-04-17T12:28:31.010Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York, NY"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"Solidity, DeFi protocols, Crosschain development, Offchain data integration, EVM security, Python, Django, L2-native or modular appchains, Protocol simulations, Open-source protocols, DERs, Energy hardware, Grid operations"}]}