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Role Overview:
We are looking for a hands-on Lead Engineer / Architect with robust payments, transaction processing, and AI/agent engineering experience to design and build AI-driven solutions capable of executing end-to-end transactions across multiple markets.
The role will own the technical solution from requirements and architecture through agent development, payment integration, testing, and successful transaction execution.

Key Responsibilities:
Design and build AI agents capable of initiating, processing, and completing end-to-end payment transactions.
Understand the payment transaction lifecycle and translate payment requirements into agent workflows, business rules, APIs, and system integrations.
Analyze market-specific payment requirements and variations and design configurable, reusable solutions.
Define architecture for agent orchestration, transaction state management, tool/API invocation,



exception handling, retries, and recovery.
Integrate agents with payment platforms, gateways, transaction processing systems, APIs, and enterprise services.
Define appropriate boundaries between AI-driven decisioning and deterministic payment/business logic.
Develop primarily using Python, LLMs, and appropriate agent frameworks.
Implement security, authorization, auditability, observability, and guardrails around agent-driven payment actions.
Lead end-to-end testing and demonstrate successful transaction execution for each target market.
Provide hands-on technical leadership, conduct design/code reviews, and mentor engineers.

Required Experience:
10+ years of software engineering experience, including architecture and technical leadership.
Robust hands-on Python development experience.
Proven experience designing and building LLM/GenAI applications and AI agents.
Solid understanding of

📌 Lead Engineer Mumbai (India)
🏢 Fractal
📍 India