2 months ago
Mumbai, IndiaSenior
Responsibilities
- Architect integrations with Stripe and Razorpay for recurring subscriptions, retail transactions, refunds, and multi-currency payments.
- Build webhook processing and idempotency safeguards to prevent duplicate charges and maintain transaction consistency.
- Design and maintain REST APIs in .NET Core supporting Angular and Flutter applications.
- Enforce PCI-DSS compliance through server-side tokenization and secure credential vaulting.
- Build Apache Kafka event-driven services to synchronize financial ledgers and billing states in real time.
- Design data models and optimize MySQL performance across a multi-tenant platform.
- Use AI coding tools while maintaining ownership of the security and maintainability of shipped systems.
Requirements
- 6–8 years of backend engineering experience in a SaaS product.
- Deep hands-on expertise in C# and .NET Core.
- Strong experience integrating payment gateway APIs, including subscription lifecycles, webhooks, and multi-currency transactions.
- Production experience using AI coding assistants and the ability to debug and support AI-generated code in sensitive financial workflows.
- Strong relational database skills, including transaction management and query optimization in MySQL.
- Experience building multi-tenant systems and working with event-streaming platforms such as Kafka.
- Preferred familiarity with Docker, container registries, and CI/CD pipelines.
- Preferred experience in fitness, club management, or membership software.
- Preferred understanding of backend API connections to Flutter and Angular front ends.
Tech Stack
Categories
About Daxko
Daxko builds SaaS for fitness and wellness organizations—gyms, YMCAs, community centers, and studios—including membership, billing, payments, and engagement tools. Its portfolio includes platforms such as Club Automation, Zen Planner, and FitnessForce, sold by subscription with payments and services add-ons. Founded in 1998 and headquartered in Birmingham, Alabama, Daxko is privately held under GI Partners and reports serving more than 19,000 centers across 55 countries.