NestJS Developer

Toronto, ON
Hybrid
Posted Sep 4, 2026
1 position

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Employment type: Contract
Experience level: Senior · 5+ years
Apply by: Oct 4, 2026
Posting language: English
Working hours: 40 hours per week
Office presence: 4 days per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Develop backend services using NestJS and manage NX monorepos for a banking client. Build BFF/API orchestration layers and implement event-driven systems using Kafka.

Job details

Iris's Fortune 100 direct client is looking for NestJS Developer Please find below Job description and share your updated resume with me. Position: NestJS Developer Employment Type: Long term Location: Toronto, ON Hybrid : 4 days office , 1 day work from home Client : Banking Key Responsibilities: 5-10 years of backend engineering experience. Strong hands-on expertise with NestJS (modules, DI, guards, interceptors, pipes, validation, Swagger/OpenAPI). Practical experience with NX monorepos (shared libs, dependency graph, affected builds/tests). Advanced TypeScript/Node.js skills and API/event contract design. Experience with event-driven systems (Kafka or equivalent), including retries, idempotency, and schema/version evolution. Solid MongoDB experience for low-latency operational workloads. Experience building BFF/API orchestration layers across multiple upstream services About Iris Software Inc. With 4,000+ associates and offices in India, U.S.A. and Canada. Iris Software delivers technology services and solutions that help clients complete fast, far-reaching digital transformations and achieve their business goals. A strategic partner to Fortune 500 and other top companies in financial services and many other industries, Iris provides a value-driven approach - a unique blend of highly-skilled specialists, software engineering expertise, cutting-edge technology, and flexible engagement models. High customer satisfaction has translated into long-standing relationships and preferred-partner status with many of our clients, who rely on our 30+ years of technical and domain expertise to future-proof their enterprises. Associates of Iris work on mission-critical applications supported by a workplace culture that has won numerous awards in the last few years, including Certified Great Place to Work in India; Top 25 GPW in IT & IT-BPM; Ambition Box Best Place to Work, #3 in IT/ITES; and Top Workplace NJ-USA

What you’ll do

Develop backend services using NestJS and manage NX monorepos for a banking client. Build BFF/API orchestration layers and implement event-driven systems using Kafka.

Requirements

Requires 5-10 years of backend engineering experience with strong expertise in TypeScript, Node.js, and MongoDB. Must have practical experience with NestJS components and event-driven architecture.