OVERVIEW

Ontrac Solutions is seeking an experienced Senior Full-Stack Software Engineer to support a critical customer engagement. This role suits an engineer who is equally at home across the stack and who can work through an established codebase with confidence — understanding how existing features behave before extending, refactoring, or retiring them.

You will build and extend full-stack features across React frontends and Node.js and Go backend services, design and query both PostgreSQL and MongoDB, and implement authentication, role-based access control, and authorization across the services in scope. You will work closely with our program manager and engagement leads, together with customer stakeholders, to keep work moving cleanly from initial definition through to final delivery.

This is a role for someone comfortable in someone else's codebase. A substantial part of the work is establishing how current functionality operates, then refactoring or decommissioning legacy components — without regressing behaviour already in place.

Expected start date: September 14, 2026





WHAT YOUR APPLICATION MUST CLEARLY SHOW

We read resumes rather than scoring keywords, and we verify what we can. Your application will move fastest if it makes the following easy to find:

• Go you have actually shipped — name the service, what it did, and roughly what load it carried. A languages list containing 'Go' is not evidence, and we treat it as unproven.

• Production React and production Node.js work, named by project, not listed as a skills keyword.

• Both datastores, separately — where you designed a PostgreSQL schema, and where you designed and queried MongoDB. If you are solid in one and light in the other, say so; we would rather know.

• Authentication and authorization you implemented — name the mechanism (RBAC model, OAuth/OIDC, JWT, Cognito, Keycloak, Auth0) and what it protected.

• Unit and integration tests you wrote — name the frameworks and what the tests actuall

📌 Senior Full-Stack Software Engineer (Bengaluru)
🏢 Ontrac Solutions
📍 Bengaluru