Senior Software Developer, Stablecoin

Build something people love Wealthsimple is Canada’s leading financial innovator. The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading, cryptocurrency, tax filing, spending and saving. Wealthsimple currently serves more than 4 million Canadians and holds over $155 billion in assets under administration. The company was founded in 2014 by a team of financial experts and technology entrepreneurs, and is headquartered in Toronto, Canada. We're proud of what we've built — and we're just getting started. Read our Culture Manual and learn more about how we work . About the team The Crypto team is at the forefront of Wealthsimple's expansion into decentralized finance, working to democratize access to crypto for millions of Canadians. We're a passionate group of crypto-native engineers and product experts building the next generation of crypto products. Our team combines Wealthsimple's commitment to simplicity and transparency with cutting-edge blockchain technology to create secure, user-friendly crypto experiences that put users in full control of their digital assets. About the role As a Senior Crypto Software Developer, you'll be instrumental in building Wealthsimple's crypto infrastructure from the ground up. You'll work at the intersection of traditional fintech and decentralized protocols, helping to bridge the gap between complex blockchain technology and intuitive user experiences. This role offers the unique opportunity to shape how over a million crypto clients interact with decentralized finance while maintaining Wealthsimple's high standards for security, reliability, and user experience. What you'll do Build and architect new crypto products that give users more control over their crypto assets. Design and implement integrations with leading DEXs, DeFi protocols, and wallet providers. Build stablecoin infrastructure and product experiences that make digital cash more useful across trading, transfers, and on-chain financial workflows. Enhance our existing crypto offerings by expanding asset selection and improving product functionality. Work with cutting-edge blockchain technology and contribute to the evolution of decentralized finance. Collaborate with cross-functional teams to deliver seamless crypto experiences to over a million users. Help establish technical standards and best practices for crypto development at Wealthsimple. Skills you bring Proven experience working in the crypto/blockchain industry with hands-on development experience Deep familiarity with integrating DEXs, wallet providers, stablecoins and smart contract protocols Strong understanding of blockchain fundamentals, including transaction mechanics, gas optimization, and security considerations Experience with Ethereum and other major blockchain networks, including Layer 2 solutions Working knowledge of smart contract development and interaction (EVM/SVM) Knowledge of DeFi protocols, AMMs, and decentralized exchange mechanisms Understanding of crypto security best practices, including key management and multi-signature implementations Experience with Web3 libraries and tools ( ethers.js , web3.js , etc.) Solid background in full stack development with languages and frameworks like React, React Native, Ruby on Rails, Java, Kotlin, or Python Strong problem-solving skills and ability to navigate the rapidly evolving crypto landscape Passion for decentralized finance and its potential to democratize financial services Why Wealthsimple? 🌸 Top-tier health benefits and life insurance 📈 Long-term group savings with employer match, through Wealthsimple for Business 🌴 20 vacation days, 4 wellness days, and unlimited sick and mental health days per year ✈️ 90 days away: work outside Canada for up to 90 days per year 👥 Employee resource groups, including Rainbow (2SLGBTQ), Women of WS, and Black at WS 🌎 We are a hybrid team with over 1,500 employees across North America. The people are one of the best parts of working here: you'll collaborate with incredibly talented, curious, and driven teammates who are deeply committed to doing great work. ICYMI Technology & Innovation at Wealthsimple: We move quickly and build thoughtfully. That means we're always looking for better ways to work — whether that's new tools, AI, or rethinking how we approach a problem. We don't expect you to have all the answers, but we do expect curiosity and a willingness to evolve alongside the products we're building. Inclusion Statement: We're building products for a diverse world, and we need a diverse team to do it well. We strongly encourage applications from everyone, regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status. Accessibility Statement: We're committed to an accessible hiring experience. If you need any accommodations throughout the interview process, please let us know — we'll work with you to make sure you have what you need. We also welcome any feedback on how we can better accommodate candidates with accessibility needs. AI in Hiring: We may use artificial intelligence (AI) tools to support parts of our hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our team but don't replace human judgment – all final hiring decisions are made by people. If you have questions about how your data is used, reach out to us.