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Senior Backend Engineer

Remote / Online - Candidates ideally in
Toronto, Ontario, M5A, Canada
Listing for: Artech LLC
Contract, Remote/Work from Home position
Listed on 2026-02-28
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software, Software Engineer
Job Description & How to Apply Below
Title:

Senior Backend Engineer

Location:

Toronto, Ontario Duration: 06 Months Introduction

We are seeking a seasoned engineer who excels in designing, building, and operating cloud-native backend services. You will lead projects from architecture through delivery, mentor your peers, and maintain high standards for scalability, reliability, security, and developer experience.

Required

Skills & Qualifications
  • 6-10 years of professional software development experience.
  • 4+ years of experience building Node.js backend services in production.
  • Strong AWS expertise across compute, networking, storage, and messaging (e.g., Lambda, ECS, EKS, API Gateway, ALB, SQS, SNS, Dynamo

    DB, RDS, S3, Cloud Front, Route 53, IAM, VPC).
  • Deep knowledge of JavaScript/TypeScript, modern frameworks/tooling (Express, Fastify, NestJS), and API design (REST, Graph

    QL).
  • Proficiency with Infrastructure as Code (Terraform, Cloud Formation, CDK) and CI/CD pipelines.
  • Solid testing practices (Jest, Mocha, Tap), performance tuning (profiling, load testing), and observability.
  • Experience with distributed systems patterns (event-driven architecture, idempotency, retries/backoff, sagas/outbox).
  • Strong grasp of security fundamentals (OWASP, secrets management, KMS, data encryption at rest/in transit).
  • Excellent communication, documentation, and collaboration skills.
Preferred

Skills & Qualifications
  • Experience with container orchestration (Docker, Kubernetes, EKS), service mesh (Istio, App Mesh).
  • Data streaming (Kinesis, Kafka), serverless patterns, Step Functions.
  • Caching and search (Redis, Elasti Cache, Open Search/Elasticsearch).
  • Database modeling (No

    SQL, relational), migrations, performance tuning.
  • Fin Ops/Cost optimization, Well-Architected Reviews.
  • Experience with Python, Go, Java in backend contexts.
  • Domain knowledge in fintech, payments, or regulated environments.
Day-to-Day Responsibilities
  • Design event-driven and microservices architectures leveraging AWS (e.g., Lambda, API Gateway, ECS/EKS, SQS/SNS, Dynamo

    DB/RDS).
  • Lead end-to-end implementation of Node.js services and APIs with strong observability, resiliency, and performance.
  • Define integration contracts, API standards, and service boundaries.
  • Implement Infrastructure as Code (IaC) for repeatable, compliant environments.
  • Own CI/CD pipelines with automated testing and deployment strategies (blue-green, canary).
  • Build robust monitoring and alerting systems and drive incident root-cause analysis.
  • Apply IAM least-privilege, secrets management, VPC networking, and ensure data protection and secure coding practices.
  • Establish coding standards, code reviews, test strategies, and performance baselines.
  • Mentor developers, guide design discussions, and contribute to technical roadmaps.
  • Collaborate cross-functionally with Product, QA, SRE, and Data teams.
Company Benefits & Culture
  • Comprehensive health, dental, and vision insurance.
  • Flexible work hours and remote work opportunities.
  • Inclusive and diverse work environment that values collaboration and innovation.

For immediate consideration please click APPLY to begin the screening process with Alex.

Position Requirements
10+ Years work experience
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