Lead Software Developer – API & Integration (AWS)Digital Core B2B | Toronto (Hybrid)
Build what powers the bank.
Join BMO’s Digital Core B2B API & Integration team and help design the platforms that enable seamless, secure, and scalable digital interactions across our ecosystem. We’re looking for a hands-on technical leader who thrives in building modern cloud-native solutions and mentoring high-performing teams.
What You’ll Do- Lead and mentor a team of developers delivering enterprise-grade API and integration solutions
- Design and build scalable, secure, cloud-native applications using AWS serverless technologies
- Drive best practices across architecture, coding, security, and performance
- Partner with architects, product teams, and stakeholders to shape solutions and roadmap
- Champion DevOps culture with CI/CD, automation, and observability
- Conduct code reviews and elevate engineering quality across the team
- Continuously improve systems, processes, and developer productivity
- Explore and adopt emerging technologies to enhance solutions
What You Bring- 5+ years building APIs and integration solutions (REST/SOAP)
- 5+ years of hands-on AWS experience (Lambda, API Gateway, Step Functions, etc.)
- 3+ years leading developers and driving technical delivery
- Strong development experience with Node.js and/or Java
- Solid understanding of API security (OAuth, SSL/TLS)
- Experience with API tooling (Swagger/OpenAPI, Postman, API Connect)
- Familiarity with DevOps and CI/CD pipelines (Bitbucket, Bamboo, JIRA)
- Knowledge of modern software development practices (SDLC, testing, release management)
- Experience with relational and NoSQL databases
Bonus Points- Exposure to AI/ML or Generative AI concepts or integrations
- Interest in applying AI to automation, APIs, or developer productivity
Why Join Us- Work on mission-critical platforms powering enterprise and client experiences
- Lead with impact—shape both solutions and team culture
- Be part of a modern cloud transformation leveraging AWS and API-first architecture
- Collaborate with talented engineers, architects, and product leaders
