Senior Software Engineer - Platform Growth

BitGo Campaigns•Toronto, ON

28d•CA$180,000 - CA$220,000•Onsite

About The Position

BitGo is the leading infrastructure provider of digital asset solutions, delivering custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since our founding in 2013, we have focused on enabling our clients to securely navigate the digital asset space. With a global presence and multiple Trust companies, BitGo serves thousands of institutions, including many of the industry's top brands, exchanges, and platforms, and millions of retail investors worldwide. As the operational backbone of the digital economy, BitGo handles a significant portion of Bitcoin network transactions and is the largest independent digital asset custodian, and staking provider, in the world. This role will require being full-time onsite at our Toronto office to support collaborative team dynamics and innovative problem-solving. BitGo is the infrastructure backbone of the digital asset economy, trusted by the world's leading institutions to secure and move billions in crypto every day. We're looking for a Senior Software Engineer to join our Platform Growth team and help shape the future of custody, growth, and mobile products. If you want to work on systems that genuinely matter - where scale, security, and correctness aren't nice-to-haves but existential requirements, this is the role for you. You'll work on systems where the stakes are real, the engineering bar is high, and AI-first development isn't a buzzword - it's how we operate. BitGo moves fast, ships with discipline, and builds for the long term. Come help us deliver trust in digital assets.

Requirements

6+ years of backend/server-side engineering experience, with a track record of shipping production systems at scale
Sharp instincts for algorithm design, problem decomposition, and complexity tradeoffs
Fluency with AI-assisted development. You actively use tools like GitHub Copilot, Cursor, or Claude to accelerate your workflow, and you know when to trust them and when not to
Experience prompting and integrating LLMs into development workflows: code generation, test writing, documentation, and debugging assistance
Familiarity with AI agent frameworks or autonomous coding tools and how to supervise, evaluate, and course-correct their outputs
Hands-on experience with PostgreSQL and MongoDB in production environments
Deep expertise in RESTful API design and the principles behind great developer experience
Practical experience with microservices and service-oriented architectures
Solid testing discipline - unit, integration, and functional coverage as a first-class concern
Strong Git/GitHub workflow hygiene: branching strategies, code review culture, CI/CD pipelines
Ability to move fast, make decisions under ambiguity, and recalibrate quickly
Bachelor's degree in Computer Science, Applied Mathematics, or a related technical field
Genuine curiosity about and understanding of cryptocurrencies and blockchain technology

Nice To Haves

Experience building institutional crypto products (custody, wallets, trading infrastructure)
Proven track record shipping and maintaining public-facing production APIs
Strong command of Golang, Kotlin or TypeScript, Node.js, and Express
Full-stack capability with React, comfortable owning a feature end-to-end
Experience working directly with clients or business partners to shape requirements
Familiarity with any of: digital wallets, KYB/onboarding flows, growth platforms, or mobile crypto UX
Experience evaluating or fine-tuning AI models for domain-specific tasks

Responsibilities

Architect and build high-scale APIs, libraries, and services that power custody and growth products used by the world's most sophisticated crypto institutions
Take full ownership of features from whiteboard to production, including customer integration and post-launch iteration
Design and document developer-facing APIs that delight third-party builders and internal teams alike
Ship with AI at your side. Leverage LLMs, AI coding agents, and intelligent tooling to dramatically accelerate design, implementation, and review cycles
Partner with PMs, designers, and engineers across the stack to define and deliver experiences that raise the bar
Write code you're proud of: clean, well-tested, and built to last
Hunt down performance bottlenecks, squash bugs, and leave the codebase better than you found it
Mentor peers through code reviews, architectural guidance, and a culture of continuous craft improvement
Stay ahead of the curve. Evaluate and adopt emerging technologies (including new AI tooling) that make the team faster and the product better