Senior Software Engineer building LLM infrastructure and AI foundations for Relay’s digital banking platform. Exploring emerging technologies and enabling product teams to ship AI workflows safely.
About the role
- Senior Fullstack Engineer building frontend, backend, and AI applications for Ignition’s revenue and billing automation platform. Leading scalable product delivery with TypeScript, React, Ruby, and Rails.
Responsibilities
- Lead the delivery of high-impact product and platform work across frontend and backend systems
- Work hands-on across frontend and backend systems and help shape technical direction
- Partner with product and design to build pragmatic, high-quality software at scale
- Lead the design, architecture, and delivery of production-ready AI applications at scale
- Build new features and improve and maintain existing frontend and backend functionality
- Lead projects by collaborating with product, design, and stakeholders to turn ambiguous requirements into reliable implementations
- Develop and share AI skills, workflows, and automations with organizational impact
- Design, build, and maintain APIs, services, and user-facing application features
- Integrate data from backend services, systems, and databases
- Analyze data, processes, and code to troubleshoot problems and identify improvements
- Research, produce proofs of concept, and evaluate methodologies and technologies
- Participate in code reviews and share and adopt engineering best practices
- Write and maintain software documentation
- Optimize applications for speed, scalability, and maintainability
- Help shape the technical direction of full-stack development
- Mentor and guide engineers through collaboration, coaching, and day-to-day support
Requirements
- Degree in Computer Science or a related field and 6+ years of experience, or equivalent practical experience
- Strong experience building and maintaining production web applications across frontend and backend systems
- High proficiency with agentic AI-native development and rapid idea-to-production delivery
- High proficiency with TypeScript, React.js, and modern JavaScript tooling; backend experience ideally with Ruby and Ruby on Rails
- Experience designing and consuming GraphQL or REST APIs
- Strong working knowledge of PostgreSQL, Redis, Sidekiq/GoodJob, and backend data flows
- Competence in clean code architecture, data structures and algorithms, distributed systems, and background job processing
- Knowledge of authentication, authorization, secure software design, caching strategies, design patterns, and scalable application architecture
- Experience integrating third-party APIs and services
- Desire to write testable, well-tested code
- Deep experience with agentic development tools such as Codex, Claude Code, Cursor, or similar
- Experience mentoring engineers and contributing to technical direction
- Ability to engage in robust, articulate dialogue while maintaining an open mind
- Strong problem-solving skills and sound engineering judgment
- Excellent verbal communication and interpersonal skills
- Pragmatic, objective mindset and ability to evaluate options based on requirements, fit, and technology maturity
- Skillful and dependable approach
- Authorization to work in Toronto, Canada or British Columbia
Benefits
- Primarily remote work with access to the downtown Toronto office
- Flexible working arrangements and autonomy to structure the workday
- High ownership and autonomy
- Continuous delivery, small releases, and frequent iteration
- Code reviews and shared engineering standards
- Close collaboration across engineering, product, and design
- Open feedback, retrospectives, and continuous improvement
- AI native environment
- Equity
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