Senior Backend Engineer

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, DynamoDB, RDS, S3, CloudFront, Route 53, IAM, VPC).
• Deep knowledge of JavaScript/TypeScript, modern frameworks/tooling (Express, Fastify, NestJS), and API design (REST, GraphQL).
• Proficiency with Infrastructure as Code (Terraform, CloudFormation, 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, ElastiCache, OpenSearch/Elasticsearch).
• Database modeling (NoSQL, relational), migrations, performance tuning.
• FinOps/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, DynamoDB/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.