Backend Developer
Core
Build and maintain high-volume, business-critical backend services and REST APIs supporting complex transaction flows and system integration.
Role type
Senior Backend Developer (C#/.NET)
Builds
Production-grade backend services, REST APIs, and asynchronous processing pipelines for large-scale operations.
Domain
Fintech / High-volume business systems
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
C#, .NET, ASP.NET Core Web API, REST API design, relational databases (MySQL, SQL Server), debugging, root-cause analysis, Git
Preferred skills
AWS, message queues, Redis, OpenSearch, MongoDB, distributed logging, microservices, event-driven architecture, third-party API integration, authentication, authorization
Technologies
.NET, ASP.NET Core, MySQL, Aurora MySQL, SQL Server, AWS, Redis, OpenSearch, MongoDB
Responsibilities
Build and maintain backend services and REST APIs; Implement complex business logic, validation, retry, routing, and status handling; Integrate with internal platforms and external service providers; Work with relational databases, query optimization, and data consistency; Support asynchronous processing using queues, events, and background jobs; Troubleshoot production issues using logs, metrics, dashboards, and monitoring tools
Seniority
Mid-to-Senior, hands-on IC