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Open nowPosted 32 hours ago

Senior Fullstack Developer

COGNATIV3 open roles

Where
India
Work mode
Hybrid
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Your applicationOpen nowSenior Fullstack DeveloperCOGNATIV · India

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on COGNATIV's own form.

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The clock on this job

Early applications get read.

12.1% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: posted 32 hours ago

The posting

Job description

About the role: We are building a greenfield, document-driven lending platform that automates the full lifecycle of a loan application — from document intake and OCR-based extraction, through human-in-the-loop review, to final approval and downstream submission. The system is a modular monolith with a clear separation between backend services and multiple trust-boundaried web front ends, deployed natively on Azure. We're looking for a senior full-stack engineer who is equally comfortable designing clean, testable back-end architecture in C#/.NET and building modern, production-grade UI in React/Next.js. You'll work across the stack: domain modeling, API design, background/async processing, and customer- and operations-facing web applications.

  • 8+ years of professional software development experience, with deep expertise in C# / .NET (ASP.NET Core).
  • 4+ years building production front-end applications with React, including Next.js (App Router, server components/actions, route handlers).
  • Strong understanding of Clean/Layered Architecture, domain modeling, and separation of concerns in non-trivial back-end systems.
  • Experience with relational databases and ORMs (EF Core or equivalent), including migrations and query performance.
  • Solid TypeScript skills and comfort working in a monorepo with shared, versioned internal packages.
  • Experience with cloud infrastructure (Azure preferred; AWS/GCP equivalents considered) — messaging/queues, object storage, secrets management.
  • Experience implementing or integrating OAuth2/OIDC-based authentication, ideally with enterprise identity providers (e.g., Microsoft Entra ID or similar).
  • Strong automated testing discipline: unit, integration, and contract testing on both back end and front end.
  • Comfortable working across the full stack without hand-offs — from database schema to API to UI.
  • Excellent communication skills and experience working in a small, senior, high-autonomy engineering team.
  • Design and build business logic and domain modules in an ASP.NET Core API following Clean Architecture principles (Domain, Application, Infrastructure, API layers).
  • Build and maintain asynchronous background processing services (a .NET worker) for document-heavy workflows, coordinated through message queues.
  • Develop and maintain multiple Next.js/React applications serving different user populations (internal operations/back-office tooling and external/customer-facing portals), sharing a common package layer.
  • Design relational data models and write efficient data access code (EF Core / PostgreSQL).
  • Integrate with cloud-native infrastructure: message queues, blob storage, secrets management, and managed identity providers.
  • Implement authentication and authorization across multiple identity boundaries (workforce vs. external/customer identity).
  • Collaborate on API contracts and shared TypeScript types consumed by front-end applications.
  • Participate in architectural decisions that keep a growing monolith modular, maintainable, and well-tested (unit, integration, contract, and architecture tests).
  • Work within a human-in-the-loop product model: build tooling that lets operators review, correct, and approve AI-assisted extraction results, with full traceability of how each data point changed from raw intake to final approval.
  • Write and maintain automated tests across the stack and participate in CI/CD pipeline health.
  • Participate in code review, technical design discussions, and mentor less experienced engineers.

Salary range

2,500,000 – 4,000,000 INR Annual

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