Remote Staff Backend Engineer - Core AI Platform (Remote - India)

Description:

• The position is for a Staff Backend Engineer – Core AI Platform at interface.ai, located in India.
• The role involves designing and leading the development of a modular, scalable backend platform that orchestrates intelligent systems using LLMs, memory, reasoning, and tool use.
• The engineer will create real-time, high-trust, multi-agent solutions for financial institutions.
• Responsibilities include designing a distributed, multi-agent AI framework, building low-latency inference systems, developing modular backend components, and creating developer-facing APIs and tools.
• The role requires integrating vector databases and working closely with AI researchers to productionize experimental models and strategies.
• The engineer will establish architectural best practices and lead technical direction while influencing cross-functional engineering strategy.

Requirements:

• Candidates must have 8+ years in backend/platform engineering, with at least 2 years of experience building or deploying ML/AI systems in production.
• Strong experience with Node.js and asynchronous, event-driven architecture is required.
• Expertise in large language model (LLM) systems, reinforcement learning (RL), and agent architecture design is essential.
• A proven record of building distributed systems and high-throughput infrastructure with real-time inference capabilities is necessary.
• Prior hands-on ML experience in model training, pipeline design, or production debugging is required.
• Proficiency in modular software design with a focus on observability, testing, and resiliency is needed.
• Bonus points for experience with vector databases, prompt engineering, semantic search, or orchestration engines.
• Open-source contributions in the LLM/AI infrastructure space are a plus.

Benefits:

• The position offers a remote-first work model with flexibility across time zones.
• Comprehensive health insurance is provided to support employee well-being.
• There are opportunities for career growth in a rapidly growing AI/FinTech environment.
• The role provides the chance to lead in an emerging field at the intersection of AI, banking, and compliance.
• Employees will be part of a dynamic team culture that combines AI research, product design, and engineering excellence.