Senior Software Engineer, Web3/DeFi

Toronto, Ontario (4 days in office in Toronto)

The Opportunity

We are proud to partner with a rapidly growing, crypto-native financial platform at the forefront of decentralized finance (DeFi). Our client is building innovative solutions designed to give users complete control over their wealth, simplifying the way individuals save, earn, and spend crypto assets. With over $8 billion in assets under management and a nimble, ambitious team, they offer a fully integrated, non-custodial suite of products bridging crypto utility and real-world convenience.

Their platform includes liquid staking, automated yield strategies, and crypto-native payment solutions such as decentralized credit cards — laying the groundwork to onboard the next billion users into crypto.

As our client scales, they’re seeking driven, mission-aligned talent eager to shape the future of finance.

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The Role

Our client is looking for a Senior Software Engineer to build best-in-class products in the rapidly evolving Web3 ecosystem. In this role, you’ll lead critical development projects spanning core application architecture, DeFi protocol integrations, crypto-based credit card offerings, and loyalty point systems. Your contributions will directly impact product growth and user engagement in a high-performing, collaborative environment.

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Key Responsibilities

• Design, build, and maintain scalable backend systems using Golang.

• Optimize and manage PostgreSQL databases to ensure high performance, scalability, and data integrity.

• Develop secure, high-performance APIs.

• Build responsive, visually compelling web applications with TypeScript, React, and Next.js.

• Implement Web3 integrations, enabling blockchain transactions, wallet connectivity, and smart contract interactions.

• Maintain high standards for application performance, code quality, and responsiveness.

• Collaborate cross-functionally with product teams to define and deliver innovative features.

• Apply best practices in automated testing, peer code reviews, and thorough documentation.

• Stay current with blockchain developments and emerging full-stack technologies to continuously enhance product offerings.

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Your Know-How

• Bachelor’s degree in Computer Science, Engineering, or a related discipline.

• 5+ years of full-stack development experience, with strong skills in Golang, TypeScript, React, and Next.js.

• A driven, ambitious mindset, willing to tackle challenging problems and deliver exceptional results.

• Interest or experience in blockchain technology, smart contracts, and decentralized applications (DApps) — preferred but not mandatory.

• Strong problem-solving skills, emphasizing efficient and scalable technical solutions.

• Proven ability to work independently, take initiative, and own end-to-end problem-solving processes.