Senior Software Engineer
Babelstreet · Somerville, Massachusetts, United States
About this role
**Babel Street — Senior Software Engineer (Backend)** Babel Street is the trusted technology partner for the world’s most advanced identity intelligence and risk operations. They deliver AI and data analytics solutions that provide analysis-ready data across languages, proactive risk identification, 360-degree insights, high-speed automation, and seamless integration into existing systems—empowering government and commercial organizations to transform high-stakes identity and risk operations into a strategic advantage. --- ## About the Role We are seeking a **Senior Backend Software Engineer** to build and evolve the data systems that power Babel Street’s enterprise applications. In this hands-on role, you will **design, build, and operate backend services** that ingest, process, index, store, and serve **large volumes of data**. You’ll collaborate with other engineers to plan feature enhancements, make architectural decisions, and deliver reliable, scalable solutions from design through production. You will also use **AI-assisted and agentic development tools** to improve engineering productivity and strengthen practices for incorporating these tools into everyday development. **Location/Work model:** Ideally near the **Somerville, MA** office, but **remote candidates are considered**. **Eastern or Central time zones preferred.** --- ## Why This Role Matters You’ll help transform vast, fast-moving streams of data into intelligence that customers use to make critical decisions. The backend systems you build will power this transformation by ingesting, processing, indexing, and serving data at the speed and scale those decisions demand. You’ll also help shape how Babel Street applies **agentic development** across the software lifecycle—working with engineers across the organization to make coding agents effective, secure, and reliable. --- ## Key Responsibilities - **Backend Engineering:** Design, implement, test, and maintain backend services and data-processing pipelines using **C# and .NET**. - **Data Processing and Search:** Build and optimize systems for ingesting, indexing, storing, querying, and serving large datasets using **Elasticsearch** and **SQL Server**. - **Performance and Scalability:** Identify bottlenecks and improve service performance, query efficiency, reliability, and scalability. - **Production Ownership:** Own services throughout their lifecycle—from technical design and implementation through deployment and ongoing operation.
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