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Blockchain Developer

Vinyl Equity - Mangaluru, India - In-office - posted 2026-09-22

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Vinyl Equity is building next-generation capital-markets infrastructure, starting with a modern, digital-native transfer agent for public companies. The platform replaces slow, manual processes with secure, automated workflows — delivering the first API-driven, real-time infrastructure for public companies. The company is backed by Index Ventures, Spark Capital, and Infinity Ventures, with a team including veterans from NYSE, Equiniti, Computershare, and AngelList. Engineering is headquartered in Mangaluru. As a Blockchain Developer (Smart Contract Developer), you will play a crucial role in shaping the company's blockchain initiatives. This is a growth hire where you'll set up a proof-of-concept (POC) to emulate transfer-agency workflows, primarily on Ethereum, with flexibility to adapt to Solana or Canton based on your strengths. You'll join a collaborative team focused on blockchain and smart contracts, working closely with the tech lead, project manager, and product manager to gather requirements and plan milestones — co-creating the plan rather than waiting for tickets. Key responsibilities include: developing and implementing a POC for transfer-agency workflows on Ethereum with flexibility to adapt to Solana or Canton; collaborating closely with the tech lead, project manager, and product manager to gather requirements and plan milestones during onboarding; delivering key documentation by day 30, including requirements gathering and milestone planning; providing essential security deliverables by day 45, such as a threat model and testing plan, adhering to industry-standard security practices; and completing the initial POC by day 60 and deploying contracts on both testnet and mainnet by day 90, ensuring all security standards are met. REQUIREMENTS: - Minimum 5 years of professional software/blockchain development experience - Willing to relocate to Mangaluru, India (this is an in-office role) - Proficiency in Solidity and experience with Ethereum-based smart contract development - Experience building decentralized applications and DeFi apps, demonstrating a strong understanding of blockchain technology - Ability to gather requirements, plan milestones, and avoid project drift effectively - Openness to learning new technologies and adapting to evolving project needs - Treats smart-contract security as a first-class concern, not a post-hoc checklist — has read post-mortems of on-chain exploits and internalized them - Writes tests alongside the contract, and pushes back when a deadline threatens test coverage - Scopes aggressively on a greenfield POC — would rather ship a smaller, audited contract than a bigger one that isn't NICE TO HAVES: - Familiarity with Solana and/or Canton - Experience with security tooling and practices, including threat modeling, audits, and systematic testing - Previous experience working in a collaborative team environment focused on blockchain and smart contracts

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