Lead Software Engineer

Lead Software Engineer,986

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

Locations: Trivandrum, Kochi, Bangalore, Chennai, Hyderabad, Pune, GurgaonExperience: 5 – 10 YearsJob Type: Full-time | Hybrid (3 days office)Shift Timing: 12:00 PM – 9:00 PMNotice 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 2.0OR
  
  

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
Skills Required
Spring Boot, Iam, Api, Java, Node.js