Senior Backend Engineer - AI Safety & Systems

mpathic; United States; Sur place; USD 140 000 - 190 000; Plein temps

Résumé du poste

mpathic is seeking a Senior Software Engineer (Back End) to design, build, and scale the systems powering our platform and AI safety work. This role focuses on backend engineering with .NET (C#) and AWS, building reliable APIs, services, data infrastructure, and cloud-native applications.

You’ll own end-to-end problems, make thoughtful architectural decisions, and collaborate with engineers, product teams, and AI specialists to deliver robust, scalable solutions in a fast-moving environment

Qualifications

• 5+ years of software engineering experience with a backend focus.
• Experience with .NET (C#) and AWS.
• Strong knowledge of SQL and NoSQL databases.
• Experience designing scalable backend services and APIs.
• Familiarity with React ecosystem and frontend collaboration.

Responsabilités

• Design, build, test, and maintain robust backend systems using .NET (C#) and other languages as appropriate.
• Design, deploy, and manage scalable applications in AWS (ECS Fargate, DynamoDB, S3).
• Develop reliable APIs and services powering the platform and AI workflows.
• Work with SQL (PostgreSQL) and NoSQL (DynamoDB) databases.
• Collaborate with frontend engineers and product teams; participate in code reviews.

Connaissances

Backend development (.NET/C#)

AWS proficiency

SQL & NoSQL databases

System design

Frontend familiarity (React ecosystem)

Technical ownership

Cross-functional collaboration

Continuous learning

Outils

PostgreSQL

DynamoDB

AWS (EC2, S3, ECS)

React basics

Description du poste

mpathic is seeking a Senior Software Engineer (Back End) to design, build, and scale the systems powering our platform and AI safety work. This role focuses on backend engineering with .NET (C#) and AWS, building reliable APIs, services, data infrastructure, and cloud-native applications.

You’ll own end-to-end problems, make thoughtful architectural decisions, and collaborate with engineers, product teams, and AI specialists to deliver robust, scalable solutions in a fast-moving environment