Senior Backend Developer, Global Authentication Service

• *Senior Backend Developer, Global Authentication Service**

Location: Bengaluru

Work type: Hybrid

• *Project overview**

You will contribute to the development of a global authentication and

authorisation service used across multiple regions and client facing

applications. The project focuses on delivering secure backend capabilities,

identity workflows, and large scale access management.

• *Position overview**

We are looking for a specialist who will support the development of a global

authentication and authorisation service used across multiple regions and

client facing applications.

Standard India office hours, with some flexibility to join some early hours

coordinated meetings during Sydney Time zone (AEDT).

Technology stack

C Sharp, .NET Core, identity and access management platforms such as

Okta, Auth0 or Key cloak, OAuth 2\.0, OpenID Connect, SAML, SQL,

NoSQL, synchronous APIs, asynchronous events

• *Responsibilities**

• Design and develop backend services that support global

authentication and authorisation workflows

• Build secure APIs that manage identity lifecycles, roles, permissions,

and claims based access control Integrate authentication services with microservices platforms using

synchronous and asynchronous communication

• Work with identity and access management systems such as Okta,

Auth0, or Key cloak

• Apply secure design practices including encryption, secrets

management, and secure configuration in cloud environments

• Maintain data models for identity, configuration, and auditing in SQL

and NoSQL databases

• Support multi region and multi\-tenant deployment considerations for

authentication services

• Collaborate with teams to ensure consistent identity standards and

service integration

• *Requirements**

• Hands on experience with C Sharp and .NET Core for backend

service development

• Experience designing and implementing authentication and

authorisation solutions at scale

• Understanding of OAuth 2\.0, OpenID Connect, SAML, token based

security, and federation patterns

• Experience with identity and access management platforms such as

Okta, Auth0, or Keycloak

• Experience building secure APIs and implementing claims based

access control

• Familiarity with SQL and NoSQL databases for identity related data
• Awareness of security practices including encryption, secrets

handling, and key rotation

• Experience integrating authentication services with microservices

architectures

• Ability to communicate clearly in EnglishNice to have
• Unit testing experience
• Strong security mindset in backend development
• Familiarity with travel ecosystem concepts
• Experience collaborating across distributed teams and time zones

• *Nice to have**

• Unit testing experience
• Strong security mindset in backend development
• Familiarity with travel ecosystem concepts
• Experience collaborating across distributed teams and time zones

Pay: Up to ₹5,760,000\.00 per year

Benefits

• Health insurance
• Paid sick time
• Paid time off
• Work from home

Work Location: Hybrid remote in Bengaluru, Karnataka