Senior Fullstack Developer (Fintech)

TL;DR

Senior Fullstack Developer (Fintech): Designing, building, and operating full-stack web-based payment systems with an accent on .NET backend and modern frontend technologies. Focus on ensuring correctness, reliability, and operational ownership of money-moving workflows, including integration with external payment service providers and handling asynchronous failure scenarios.

Location: Bangsar South

Company

A global leader in gaming hardware, software, and services, dedicated to revolutionizing the gaming experience.

What you will do

• Design and maintain end-to-end payment flows including checkout, top-ups, and subscriptions.
• Build and operate APIs and services using C# and .NET.
• Develop frontend components using modern frameworks like React.
• Integrate and manage third-party payment service provider APIs.
• Handle asynchronous workflows, webhooks, and system reconciliation.
• Participate in on-call rotations and resolve production incidents for revenue-critical systems.

Requirements

• 5+ years of professional software engineering experience.
• Strong experience with full-stack web development using .NET (C#).
• Proficiency in modern web frontend frameworks such as React or Angular.
• Hands-on experience integrating payment systems or financial APIs.
• Solid understanding of distributed systems, idempotency, and eventual consistency.
• Experience using AI-assisted coding tools in a professional environment.

Nice to have

• Experience with payment providers like Stripe, Adyen, or Braintree.
• Knowledge of compliance and regulatory requirements such as PCI.
• Familiarity with Southeast Asia payment methods like PayNow or GrabPay.
• Experience operating high-availability, revenue-generating systems.

Culture & Benefits

• Opportunity to work on a global mission within a gamer-centric environment.
• Exposure to a diverse, international team spanning 5 continents.
• Focus on professional growth and career acceleration.
• Commitment to an inclusive, respectful, and fair workplace.