Backend & Cloud Developer We're hiring a Backend & Cloud Developer to build and operate our clients backend platform.

You'll develop the Java and serverless APIs that support our clients features and manage its AWS infrastructure and CI/CD pipelines.

This role combines new project delivery and feature development with ongoing production operations, including participation in a 24×7 on-call rotation.

With a strong focus on AWS and its IaC, you'll own backend services and their cloud infrastructure end to end—from developing new capabilities to operating and supporting them in production.

Location - Calgary Work Mode - Perfer candidates located in Calgary, but will accept remote candidates Duration - 1 year Must-have skills AWS Cloud Development: Extensive hands-on experience with AWS services, particularly Lambda, ECS, API Gateway, DynamoDB, SQS, SNS, IAM, VPC, S3 and ECR.

Java / Spring Boot: Robust backend development experience with Java 21, Spring Boot 3.x and microservices architecture.





Terraform (Infrastructure as Code): Hands-on experience building, deploying and managing AWS infrastructure using Terraform.

Node.js / Type

Script: Experience developing serverless applications and APIs using AWS Lambda. CI/CD & Dev

Ops: Experience building and maintaining automated deployment pipelines, containerized applications and production environments.

Database Technologies: Experience with PostgreSQL, DynamoDB and Redis.

Production Support: Experience troubleshooting cloud applications and participating in on-call rotations.

Security & AI Development Tools: Knowledge of AWS security best practices and experience using AI coding tools such as Git

Hub Copilot.

Nice-to-have skills AWS Developer or Solutions Architect certification Confluent Kafka Amazon Bedrock / LLM application development

📌 Senior AWS Developer with strong Java/Spring Boot and Terraform experience. (Toronto)
🏢 S.i. Systems
📍 Toronto