Backend Developer – Cloud & DevOps (AWS)

Job Title

Senior Backend Engineer & AWS

Location

Toronto

Experience

68 years of professional software development experience

Key Responsibilities

Architecture & Delivery

• Design and implement event-driven and microservices architectures on AWS
  

• Lead end-to-end development of cloud-native backend services and APIs
  

• Define API contracts service boundaries and integration standards
  

• Ensure high levels of scalability performance resiliency and observability
  

• Apply distributed systems patterns such as idempotency retries/backoff sagas and outbox
  

Cloud DevOps & Reliability

• Implement Infrastructure as Code (IaC) using Terraform CloudFormation or AWS CDK
  

• Own and maintain CI/CD pipelines (GitHub Actions AWS CodeBuild CodePipeline)
  

• Implement deployment strategies such as blue/green and canary releases
  

• Build and maintain monitoring logging and alerting using CloudWatch Prometheus Grafana and OpenTelemetry
  

• Lead incident response and root-cause analysis to improve system reliability
  

Security & Compliance

• Enforce IAM least-privilege access secrets management and secure VPC networking
  

• Apply secure coding practices and threat modeling aligned with OWASP standards
  

• Ensure data protection and encryption at rest and in transit
  

• Support compliance requirements such as SOC 2 ISO and PCI where applicable
  

Quality & Technical Leadership

• Establish coding standards code reviews and test strategies (unit integration E2E)
  

• Define and monitor performance baselines and SLAs
  

• Mentor junior engineers and guide design and architecture discussions
  

• Contribute to technical roadmaps and engineering best practices
  

• Collaborate cross-functionally with Product QA SRE and Data teams
  

Required Qualifications

• 610 years of professional software development experience
  

• 4 years of production backend development
  

• Strong expertise in AWS services including Lambda ECS/EKS API Gateway ALB SQS/SNS DynamoDB RDS S3 CloudFront Route 53 IAM and VPC
  

• Deep knowledge of JavaScript/TypeScript and frameworks such as Express Fastify or NestJS
  

• Strong understanding of REST and GraphQL API design
  

• Proficiency with CI/CD pipelines and Infrastructure as Code
  

• Solid testing experience using Jest Mocha or Tap
  

• Experience with performance tuning profiling and observability
  

• Strong grasp of security fundamentals encryption and secrets management
  

• Excellent communication documentation and collaboration skills
  

Nice-to-Have Skills

• Containerization and orchestration with Docker and Kubernetes (EKS)
  

• Service mesh experience (Istio AWS App Mesh)
  

• Event streaming and messaging (Kafka Kinesis SNS/SQS)
  

• Serverless orchestration with AWS Step Functions
  

• Caching and search technologies (Redis ElastiCache OpenSearch/Elasticsearch)
  

• Database modeling and performance tuning (NoSQL and relational)
  

• FinOps cost optimization and AWS Well-Architected Reviews
  

• Experience with Python Go or Java
  

• Domain experience in fintech payments or regulated environments