Sr Node.js Backend Developer

About the role

We're hiring a Senior Integration Engineer to build and maintain connectors with identity verification, authentication, and IAM platforms. You'll own integrations end-to-end : from reading vendor API docs to shipping production code that handles PII safely and reliably.

Must-have

- 8

+ years

building production systems in

Node.js + TypeScript

. - Strong grasp of

• REST / HTTP: auth flows, pagination, retries with exponential backoff, idempotency, webhook signature verification (HMAC).

- Hands-on with

identity protocols

• OIDC, OAuth 2.0 (all grant types), SAML 2.0, SCIM 2.0.

-

Microservices

- Testing discipline - unit + integration tests, HTTP mocking (nock/msw).

-

MongoDB

Strong-to-have

-

Secure handling of PII and secrets

• KMS/Secrets Manager, redaction, no secrets or sensitive data in logs.

-

ReactJS

- Defensive parsing with

Zod / io-ts

or equivalent.

- Experience integrating with

identity verification or IAM platforms

(e.g., Okta, Auth0, Ping, Jumio,, Persona, Socure, ForgeRock, Workday, Sailpoint).

-

FIDO2 / WebAuthn / passwordless auth

exposure.

-

Decentralized identity

• W3C DIDs, Verifiable Credentials.

- Familiarity with

NIST 800-63-3

(IAL/AAL), KYC/AML basics.

- Background job frameworks -

BullMQ, SQS, or Kafka

.

- Compliance awareness -

SOC 2, GDPR, DPDP Act (India), BIPA

.

- Observability - structured logging, OpenTelemetry, correlation IDs.

- Docker + cloud (GCP / AWS / Azure).

Nice-to-have

- Prior work on multi-tenant SaaS connectors or iPaaS platforms.

- Contributions to open-source identity libraries.

Candidate must be located in Chandigarh tricity area.

• Incentives:

1. Competitive salary.
2. Employer sponsored Health Insurance for the immediate family.
3. Employer sponsored Accidental Insurance.
4. Paid time off.

This job has really good perks including salary and very good professional growth opportunity within the company. Full-time position salary range depends on the professional experience and technical interview performance

• Company website: https://puffintech.io/

• 8+ years building production systems in Node.js + TypeScript
• Strong grasp of REST/HTTP: auth flows, pagination, retries with exponential backoff, idempotency, webhook signature verification (HMAC)
• Hands-on with identity protocols: OIDC, OAuth 2.0 (all grant types), SAML 2.0, SCIM 2.0
• Microservices experience
• Testing discipline: unit + integration tests, HTTP mocking (nock/msw)
• MongoDB
• Must be located in Chandigarh tricity area
• Secure handling of PII and secrets: KMS/Secrets Manager, redaction, no secrets or sensitive data in logs
• ReactJS
• Defensive parsing with Zod / io-ts or equivalent
• Experience integrating with identity verification or IAM platforms (e.g., Okta, Auth0, Ping, Jumio,, Persona, Socure, ForgeRock, Workday, Sailpoint)
• FIDO2 / WebAuthn / passwordless auth exposure
• Decentralized identity: W3C DIDs, Verifiable Credentials
• Familiarity with NIST 800-63-3 (IAL/AAL), KYC/AML basics
• Background job frameworks: BullMQ, SQS, or Kafka
• Compliance awareness: SOC 2, GDPR, DPDP Act (India), BIPA
• Observability: structured logging, OpenTelemetry, correlation IDs
• Docker + cloud (GCP / AWS / Azure)
• Prior work on multi-tenant SaaS connectors or iPaaS platforms
• Contributions to open-source identity libraries