Senior Staff Backend Engineer

TEKsystemsToronto, ON
CA$110 - CA$125Hybrid

About The Position

We’re more than just a global e-commerce platform — we’re transforming how people shop and sell across the world. Our platform empowers millions of buyers and sellers across 190+ markets. We’re committed to pushing boundaries and redefining the future of digital commerce. Our customers are at the center of everything we do. We foster a culture where authenticity thrives, bold ideas are encouraged, and individuals can bring their full selves to work every day. We’re building sustainable solutions for our customers, our business, and the broader global community. Join a team of passionate engineers, innovators, and problem-solvers working together to build scalable platforms and create meaningful economic opportunities worldwide.

Requirements

  • Java, spring boot, graphql, rest api, microservices
  • Experience supporting platforms with millions of users and high transaction volumes
  • Experience defining and driving architecture across multiple teams and domains
  • Strong leadership in a matrixed environment, influencing engineering, product, and business stakeholders
  • Experience navigating ambiguous problem spaces and defining technical direction from scratch
  • Expertise in event-driven architecture and highly scalable distributed systems
  • Strong understanding of messaging systems (Kafka, ActiveMQ, RabbitMQ, etc.)
  • Experience with both RDBMS and NoSQL databases
  • Hands-on experience with containers and cloud infrastructure (Kubernetes, Docker, AWS, GCP, Azure)
  • Proven success creating and driving adoption of engineering best practices, standards, and tooling
  • Experience authoring and socializing Architecture Decision Records (ADRs)
  • Strong track record of mentoring engineers and raising the engineering bar
  • Experience modernizing legacy systems and creating a long-term technology vision
  • Ownership of release management, production support, and on-call responsibilities for critical systems
  • Excellent communication skills with a strong sense of ownership and accountability
  • Demonstrated ability to balance short-term delivery needs with long-term scalability and maintainability
  • Growth mindset with a passion for continuous learning, knowledge sharing, and organizational impact
  • Experience influencing engineering culture, processes, and technical excellence beyond their immediate team
  • Ability to identify future platform needs and build flexibility and extensibility into system designs
  • Experience working across adjacent disciplines such as product management, project management, and people leadership
  • Active participation in internal or external technical knowledge-sharing communities

Nice To Haves

  • Experience with GraphQL

Responsibilities

  • Independently lead complex technical initiatives within and beyond your team
  • Drive technical direction and roadmap, leading across domain teams and guiding key engineering decisions
  • Author Architecture Decision Records (ADRs) to define scalable and maintainable solutions
  • Own one or more large functional areas with deep subject matter expertise
  • Take a systems-thinking approach, proactively addressing performance, security, and scalability
  • Drive projects end-to-end, from conception to successful implementation
  • Act as a change agent to elevate engineering culture, processes, and best practices
  • Enable teams through collaboration, knowledge sharing, and internal tooling
  • Identify platform areas that require flexibility and design for future scalability
  • Define and advocate for long-term technical vision and modernization strategies
  • Lead production support, release management, and on-call responsibilities for a 24/7 platform

Benefits

  • The pay range for this position is $110.00 - $125.00/hr.
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