Senior Software Engineer - Web3 / Defi

HRB; Toronto; On-site; CAD 100,000 - 130,000; Full time

Job summary

A leading financial platform in Toronto is seeking a Senior Software Engineer to develop innovative products in the growing Web3 ecosystem. The successful candidate will design scalable backend systems using Golang, create high-performance APIs, and engage in blockchain technology integrations. Join a dynamic team aiming to shape the future of decentralized finance with your expertise.

Qualifications

• 5+ years of full-stack development experience required.
• Strong skills in Golang, TypeScript, React, and Next.js.
• Interest or experience in blockchain technology is preferred.

Responsibilities

• Design, build, and maintain scalable backend systems.
• Develop secure, high-performance APIs.
• Implement Web3 integrations and maintain application performance.

Skills

Golang

TypeScript

React

Next.js

Blockchain Technology

Problem Solving

Education

Bachelor's degree in Computer Science

Job description

Toronto, Ontario (4 days in office in Toronto)

Your opportunity

We are a 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 are seeking driven, mission-aligned talent eager to shape the future of finance.

They are 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.

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.

Your know-how

Bachelor’s degree in Computer Science, Engineering, or 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.

Excellent communication skills, capable of effectively coordinating across teams in a fast-paced startup environment.

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Senior Software Engineer • Toronto, ON, Canada