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Senior Backend Developer – API Engineering

Hcltech — Canada · Posted ~1 hour ago

Senior Visa History ✓

Skills

Node.js TypeScript REST APIs AWS serverless API design OpenAPI Swagger automated testing AI-assisted coding security IAM AWS Lambda API Gateway DynamoDB S3 CloudWatch SNS SQS Glue ECS Jest Mocha Chai Sinon

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Summary ✨ AI‑Generated

A Senior Backend Developer is sought to build and operate production-grade REST APIs using Node.js and TypeScript, with extensive AWS serverless services. You will own API contracts and architecture, maintain strong automated test coverage, use AI-assisted development tools responsibly, and apply security practices suitable for regulated environments.

Highlights

Senior backend opportunity centered on production-grade REST APIs and AWS serverless architecture. Strong emphasis is placed on engineering quality, automated testing, API design, security, AI-assisted development, reliability, and product impact.

Description

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