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Umanist NA
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Lead Software Engineer

Lead Software Engineer

Umanist NA

10 years

12 - 24 Lacs

chennai tamil nadu india

Posted:15 hours ago| Platform:

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Skills Required

software node.js api java development management authentication authorization design jwt oauth server support security storage iam connect termination strategies saml migration

Work Mode

On-site

Job Type

Full Time

Job Description

Lead Software Engineer,986

(Java / Spring Boot / Node.js / API / IAM)

Locations:

Trivandrum, Kochi, Bangalore, Chennai, Hyderabad, Pune, Gurgaon

Experience:

4 – 10 Years

Job Type:

Full-time | Hybrid (3 days office)

Shift Timing:

12:00 PM – 9:00 PM

Notice Period:

0 – 15 days only (Immediate to short joiners preferred)

Job Stability:

Mandatory

Job Summary

We are looking for a Lead Software Engineer with strong experience in

Java/Spring Boot or Node.js

, specializing in

API development and Identity & Access Management (IAM)

. The role involves building secure, scalable APIs and implementing modern authentication and authorization mechanisms across enterprise applications.

Key Responsibilities

Design and build secure APIs with JWT token validation
Implement OAuth 2.0 flows for server-side and SPA applications
Handle token introspection, revocation, and lifecycle management
Implement PKCE for secure SPA authentication
Manage session-based vs token-based authentication
Support Single Sign-On (SSO) integrations across multiple applications
Configure inbound and outbound SSO using federation standards
Implement universal logout (single sign-out) across applications
Validate tokens at API Gateway level
Ensure adherence to security best practices (CSRF, XSS prevention, secure token storage)

Mandatory Skills – Core IAM Concepts

Authentication & Authorization

OpenID Connect (OIDC): flows, ID token handling
OAuth 2.0: grant types, scopes, refresh tokens
PKCE: purpose and implementation

Session & Token Management

Session creation, renewal, and termination
Token types: Access, ID, Refresh tokens
Token validation, expiry, and renewal strategies

Login & SSO

Standard login/logout flows
Universal logout (single sign-out)
Inbound & outbound SSO
Federation concepts (OIDC / SAML)

Must-Have Technical Skills

Java + Spring Boot + API + OAuth 2.0 OR
Node.js + API + OAuth 2.0

Preferred (Nice To Have)

Experience with enterprise IAM platforms (widgets, SDKs, APIs)
Exposure to IAM migration projects from legacy systems
Knowledge of identity federation and SSO ecosystems

Interview Process

2 Technical Rounds
1 Client/Stakeholder Round

Skills: api,java,authentication,oauth 2.0,iam,oauth,boot

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