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AWS Backend Developer
AWS Backend DeveloperAstra North Infoteck Inc. • Toronto, ON, ca
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AWS Backend Developer

AWS Backend Developer

Astra North Infoteck Inc. • Toronto, ON, ca
30+ days ago
Job type
  • Full-time
Job description

Job Description: AWS API Developer (Node.js/Java)

Location: Toronto, ON (Hybrid)

Tech Stack : Node.js/Java, JavaScript, REST web services, AWS Lambda, DynamoDB, S3, SNS/SQS, Kafka, GitHub, Linux.

Summary:

Seeking a hands-on backend engineer to design, build, and operate cloud‑native APIs on AWS. You’ll focus on event-driven and RESTful services with robust observability, security, and performance characteristics.

Responsibilities:

  • Design and implement serverless and containerized APIs (AWS Lambda, API Gateway; optionally ECS/EKS) using Node.js and/or Java.
  • Model data access patterns with DynamoDB (single-table design, GSIs) and S3 for object storage.
  • Build asynchronous/event-driven flows using SNS/SQS and Kafka; ensure at‑least‑once processing and idempotency.
  • Implement API security (OAuth2/JWT, IAM, VPC), secrets management (Secrets Manager/SSM), and input validation.
  • Establish CI/CD pipelines (GitHub Actions/CodeBuild/CodePipeline), IaC (CloudFormation/CDK/Terraform).
  • Apply observability (CloudWatch, X-Ray, structured logging, metrics/alarms), and SLO/error budgets.
  • Write automated tests (unit/integration/contract), and participate in code reviews.
  • Performance tuning (cold starts, concurrency, memory/timeouts) and cost optimization (on-demand vs. provisioned concurrency).

Qualifications:

  • 7+ years backend development, 3+ on AWS building production APIs.
  • Proficiency in Node.js (TypeScript preferred) and/or Java (Spring Boot/Quarkus).
  • Strong with REST principles, JSON, and API lifecycle/Versioning; experience with event streaming (Kafka).
  • Solid understanding of AWS serverless services (Lambda, API Gateway, DynamoDB, S3, SNS/SQS), IAM, VPC networking basics.
  • Experience with GitHub workflows, Linux, and container tooling (Docker).


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AWS Backend Developer • Toronto, ON, ca

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