Senior Software Engineer – Full Stack / Backend / AI Systems

About this role

StageYou, Inc. is recruiting experienced Senior Software Engineers for active opportunities with fast-growing U.S. technology companies.

We are seeking strong, hands-on engineers with a proven track record of designing, building, shipping, and operating production-grade software systems.

Ideal candidates may come from full-stack, backend, distributed systems, platform, infrastructure, product engineering, solutions engineering, or AI-enabled software backgrounds.

These opportunities are particularly suited to engineers who can take ownership of complex technical problems, work across modern software stacks, and deliver reliable systems from architecture and implementation through deployment and production.

What You May Work On

• Design, build, and maintain production-grade applications, platforms, and backend services
• Develop scalable APIs, microservices, distributed services, and system integrations
• Build modern web applications and user-facing product experiences where relevant
• Design and optimize relational, NoSQL, caching, and data-processing systems
• Build and operate software in cloud and containerized environments
• Improve system scalability, performance, reliability, observability, and security
• Participate in architecture, system design, and technical decision-making
• Own features and services end-to-end from design through development, testing, deployment, and monitoring
• Build internal platforms, developer tooling, automation, and infrastructure where required
• Integrate third-party, enterprise, and customer systems
• Troubleshoot complex production and distributed-system issues
• Collaborate closely with product, engineering, infrastructure, and customer-facing teams
• Work with AI/ML-enabled products, LLM integrations, agents, or AI infrastructure where relevant.

What We’re Looking For

• 5+ years of professional software engineering experience building production-grade applications, platforms, or services
• Strong programming ...