Senior Backend and Integration Engineer
Posted:
27 August 2026 (8 days ago)
Application Deadline:
24 November 2026
Vacancies:
1 Vacancy
Job Summary
Job Profile: Senior Backend & Integration Engineer
This is a hands-on backend engineering role for a developer who will build and deploy a multi-tenant SaaS application on AWS. You will write high-performance APIs using C# that communicate with DynamoDB PostgreSQL and various external client data sources. You do not need to perform network-level coding; instead you will collaborate with DevOps and Network Engineers to guide infrastructure setup test hybrid connectivity and troubleshoot cross-network data access issues.
Core Responsibilities
API Development & Data Integration: Design code and optimize secure multi-tenant APIs using C# Core that dynamically query and aggregate data across Amazon DynamoDB PostgreSQL and varied external client data sources.
Technical Guidance: Provide clear architectural requirements to DevOps and Network Engineering teams regarding application infrastructure needs.
Integration Testing: Collaborate with network and infrastructure peers to validate secure backend connections to external client data centers.
Cross-Network Troubleshooting: Diagnose isolate and debug end-to-end data routing issues between the AWS-hosted API and remote external databases.
Required Technical Skills
Languages & Frameworks: Expert-level C# .NET Core
Data Stores & Integration: Deep hands-on experience with Amazon DynamoDB PostgreSQL (Entity Framework Core or Dapper) and writing abstract data access layers to query heterogeneous external data sources.
SaaS Multi-Tenancy: Real-world experience implementing application-level tenant isolation data partitioning and tenant context middleware.
Hybrid Networking Concepts: Solid conceptual understanding of VPCs AWS PrivateLink and firewalls to effectively guide networking peers.
DevOps Liaison: Basic familiarity with cloud infrastructure deployment (Terraform AWS CDK) to streamline pipeline integrations.
Qualifications
Experience: 5 years of active hands-on backend development building distributed systems on AWS.
Communication: Strong collaborative skills to translate complex application data requirements into actionable tasks for infrastructure teams.