HCLTechVerified Job Source

BackEnd Developer (API Engineering)

Toronto, ON
On-site
Posted Sep 8, 2026
1 position

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Apply by: Oct 8, 2026
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Design, build, and operate production-grade REST APIs using Node.js and AWS serverless architecture. Ensure high reliability and value delivery by applying a product mindset and rigorous testing standards.

Job details

5+ years building and operating production REST APIs in Node.js & TypeScript Hands-on AWS serverless experience — Lambda, API Gateway, DynamoDB, S3, CloudWatch, IAM, SNS, SQS, Glue, ECS — built and run in production, not just in tutorials Strong REST API design skills — resource modeling, HTTP semantics, versioning, idempotency, and OpenAPI/Swagger contract authoring Daily proficiency with AI-assisted coding tools — GitHub Copilot, Claude, Cursor, or similar — using them to accelerate development while owning every line committed Solid testing discipline — writes tests as part of development using Mocha/Chai/Sinon or Jest, targets 80%+ coverage across branches, functions, and lines Product mindset — understands the business impact of the APIs they build, thinks about consumer experience, reliability, and value delivery — not just technical correctness Familiar with security patterns in regulated environments — encrypted secrets, least-privilege IAM, input validation, private networking Experience with AWS CDK or CloudFormation for infrastructure-as-code is a strong plus Financial services domain background is a plus

What you’ll do

Requirements

Requires 5+ years of experience with Node.js, TypeScript, and a wide array of AWS serverless services. Candidates must be proficient in AI-assisted coding tools and have strong API design and security knowledge.