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UniSysTech ConsultingVerified Job Source

AWS Backend Developer

Design and maintain scalable backend services and serverless applications using Node.js and AWS Lambda. Implement secure integrations via AWS SQS and manage IAM roles and permissions following security best practices.

  • On-site
  • Toronto, ON
  • Posted Aug 6, 2026
  • Apply by Sep 5, 2026
  • 1 position

Job summary

We are seeking a skilled AWS Backend Developer to our banking client and help build scalable, cloud-native applications. The ideal candidate will have strong experience developing serverless solutions using AWS Lambda, Node.js, and AWS messaging services, with a solid understanding of cloud security and best practices. Key Responsibilities Design, develop, and maintain backend services using Node.js and AWS Lambda. Build and support event-driven and serverless applications on AWS. Implement and manage integrations using AWS SQS and other AWS services. Develop secure and scalable APIs and backend components. Configure and maintain AWS IAM roles, policies, and permissions following security best practices. Troubleshoot, optimize, and enhance application performance, reliability, and scalability. Collaborate with architects, DevOps engineers, and business stakeholders to deliver high-quality solutions. Participate in code reviews, testing, and deployment activities. Required Skills Strong hands-on experience with Node.js backend development. Experience developing serverless applications using AWS Lambda. Experience with AWS SQS and event-driven architectures. Solid understanding of AWS IAM, security principles, and access management. Experience building and consuming RESTful APIs. Familiarity with Git and CI/CD pipelines. Strong debugging, troubleshooting, and problem-solving skills. Nice to Have Experience with API Gateway, DynamoDB, SNS, EventBridge, or Step Functions. Knowledge of Infrastructure as Code (Terraform, AWS CDK, or CloudFormation). Experience with container technologies such as Docker and Kubernetes. Experience working in Agile environments. Financial services or banking industry experience. What We're Looking For Strong backend development expertise and cloud-native mindset. Ability to design scalable and maintainable solutions. Excellent communication and collaboration skills. Self-motivated individual who can work effectively in a fast-paced environment. If you are passionate about building modern serverless applications on AWS and have strong Node.js development experience, we would love to hear from you.

What you’ll do

Design and maintain scalable backend services and serverless applications using Node.js and AWS Lambda. Implement secure integrations via AWS SQS and manage IAM roles and permissions following security best practices.

Requirements

Requires strong hands-on experience with Node.js, AWS Lambda, and event-driven architectures. Candidates should be proficient in building RESTful APIs and managing cloud security and access management.

Listed skills

  • Node.jsPreferred
  • CI/CDPreferred
  • TerraformPreferred
  • GitPreferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Node.js
  • AWS Lambda
  • AWS SQS
  • AWS IAM
  • RESTful APIs
  • Git
  • CI/CD
  • Serverless Architecture
  • Event-driven Architecture
  • Cloud Security
  • API Gateway
  • DynamoDB
  • SNS
  • EventBridge
  • Step Functions
  • Terraform

Job areas

  • Software
  • Technology
  • Finance & Accounting
  • Consulting
  • Engineering

Additional details

Minimum experience
2+ years
Apply by
Sep 5, 2026
Posting language
English
Working hours
40 hours per week
Seniority
Mid-Senior level
Application method
Direct apply is available