Senior Backend Developer- Core Services

We're looking for a Senior Backend Developer for our Core Services team for a multi-platform role and challenging role!

In this role, you will design, develop, and maintain scalable backend microservices serving millions of daily users and build AI agentic flows E2E from prompt engineering and tool orchestration through deployment and evaluation.

Responsibilities:

• Own complex backend projects E2E in a high scale, consumer-facing domain: from functional spec through architecture, choosing DB and technologies, design patterns, development, deployment and production.
• Working in a main, cross-functional domain at Pango R&D using Python, .NET Core, Node.js.
• Build and manage cloud-native, event-driven architectures on AWS and distributed systems.
• Design and build reusable AI-driven components (e.g., sub-agents, skills, and templates) to streamline workflows and improve system efficiency, leveraging modern AI tools and technologies.
• Proactively identify technical debt, performance bottlenecks, and architectural gaps -- and drive initiatives to address them.
• Collaborate with cross-functional teams including Product, DevOps, Mobile, and QA.

Requirements:

• 5+ years of experience in backend development with proven ability to own features end-to-end, from design through deployment and production support.
• Strong understanding of design patterns and architecture principles, including experience with SQL and NoSQL databases.
• Deep experience with at least two of: Python, .NET Core, Node.js. and willingness to work across all three.
• Deep experience working with cloud-serverless architecture (AWS preferable) emphasizing event-driven and distributed systems at scale.
• Experience of utilization of agentic based IDE (Claude Code\Cursor etc.) as a main development tool and experience designing AI Agentic flows End to end.
• Strong communication skills and ability to collaborate across multiple engineering teams on cross-company initiatives.
• Self-driven mindset

We value engineers who think ahead, identify problems before they surface, and drive solutions independently -- while collaborating effectively across teams.