Backend Engineer (.NET)
Sent, Inc.7 months ago
Pristina, KosovoMid Level
Responsibilities
- Build and maintain backend services and RESTful APIs for Sent’s multi-channel messaging platform.
- Own the uptime, reliability, and performance of developed services and resolve production issues.
- Integrate the platform with carrier networks, third-party providers, and internal services.
- Identify bottlenecks, optimize queries, and evolve database schemas as the product scales.
- Participate in technical design discussions and help shape secure, scalable backend architecture.
- Collaborate with frontend and DevOps engineers to deliver end-to-end features.
Requirements
- At least 3 years of experience with C#, .NET, and ASP.NET Core building and shipping production backend services.
- Strong experience designing, versioning, and maintaining RESTful APIs.
- Solid relational database knowledge, including schema design, efficient queries, and data integrity.
- Understanding of authentication, authorization, security, reliability, and failure modes.
- Experience with high-availability systems is strongly preferred.
Benefits
- In-office work in Pristina, Kosovo.
- Opportunity to join a fast-moving, well-funded company building messaging infrastructure.
- Close-knit engineering and operations team focused on shipping meaningful technical work.
Tech Stack
C#.NET
Categories
About Sent, Inc.
Sent, Inc. builds a unified API for businesses to send A2P messages across SMS, WhatsApp, and RCS, with intelligent routing that optimizes deliverability and cost. It sells communications infrastructure as a SaaS/usage-based developer platform, removing the need for channel-specific integrations while supporting global reach. Founded in 2024 and headquartered in New York, NY, the company is privately held and operates in the telecommunications and messaging infrastructure space.