Senior Platform Engineer - Backend & AI-Driven

United States Digital Space LLC; United States; Remote; USD 140,000 - 200,000; Full time

Benefits offered by this job

Generous health coverage

401(k) match

Job summary

United States Digital Space LLC is seeking a Senior Software Engineer to strengthen our Platform Engineering team. You will design, build, and ship backend services in C# .NET and Node.js/TypeScript, using Postgres, Redis, and AWS to support high‑throughput workloads.

This remote‑first role emphasizes architectural ownership, collaboration with product, payments, data, and infrastructure teams, and AI‑assisted development practices to boost quality and speed.

Qualifications

• 6+ years of professional software engineering experience in SaaS or product engineering environments.
• Experience building and operating backend services in modern server‑side frameworks (C# .NET, Node.js/TypeScript) with a relational database such as Postgres or MySQL.
• Experience working on platform, infrastructure, or other foundational teams, or owning shared services that multiple product teams rely on.
• Strong foundation in production‑grade engineering practices, including automated testing, CI/CD, observability, and incident response.
• Ability to reason about performance, reliability, and data correctness in high‑integrity domains such as financial, payments, or similarly sensitive systems.
• Comfort using AI‑assisted development tools in daily work and examples of how you have used AI to improve quality, speed, or reliability.

Responsibilities

• Design, build, and maintain platform services and capabilities in our core stack (C# .NET, Node.js/TypeScript, Postgres, Redis, AWS).
• Improve reliability, scalability, and performance of high‑throughput workflows by refining data models and processing.
• Collaborate with product, payments, data, and infrastructure teams to shape platform APIs and integration contracts.
• Break down complex platform initiatives into clear milestones and drive from design to rollout.
• Strengthen observability, on‑call readiness, and incident response for platform services.
• Contribute high‑quality production code and design documents, and provide code reviews.
• Use AI‑assisted development tools and help the team adopt AI‑augmented engineering practices.
• Partner to improve CI/CD pipelines, deployment strategies, and environment management.

Skills

C# .NET

Node.js/TypeScript

PostgreSQL

MySQL

Platform engineering

AI-assisted development

Tools

AWS

Redis

CI/CD

Observability

Job description

United States Digital Space LLC is seeking a Senior Software Engineer to strengthen our Platform Engineering team. You will design, build, and ship backend services in C# .NET and Node.js/TypeScript, using Postgres, Redis, and AWS to support high‑throughput workloads.

This remote‑first role emphasizes architectural ownership, collaboration with product, payments, data, and infrastructure teams, and AI‑assisted development practices to boost quality and speed.