Senior Backend Engineer ( & C#)

Role Summary

As a Senior Backend Engineer in the Credit Cards team you will play a critical role in our Cloud transformation re-architecting building and shipping our next-generation solutions evolving the systems that power our card offering end-to-end from card ordering and issuing to transaction processing and lifecycle management.

What youll do

You will be a core member of the Credit Cards engineering team a high-impact unit responsible for the full card lifecycle from ordering and issuing to limiting managing and monitoring card transactions. The team integrates with third-party payment processors 3D Secure systems and MasterCard ensuring seamless secure and high-performance card operations for our customers.

You will lead technical initiatives across card systems designing building and validating robust backend solutions that scale with business needs.

You will work closely with architects security product and operations teams to modernize the existing card systems into a new event-driven architecture introduce cloud-native patterns. Build it from scratch while ensuring that card business services remain reliable secure and performant.

Who you are:

You are a seasoned Senior Backend Engineer with deep expertise in backend systems and cloud architectures. You thrive in complex fast-moving environments and excel at turning ambiguous requirements into concrete reliable solutions.

You bring strong technical ownership and accountability balancing long-term architectural thinking with pragmatic delivery. You embrace change learn quickly and continuously adapt to new technologies business needs and integration challenges with external partners.

You are proactive curious and confident in making informed decisions. You influence others through technical excellence and clear communication collaborating closely with product architects security and operations teams to ensure alignment adoption and lasting impact.

Skills you are bringing with you

• 6 years of experience with backend development preferably C# and
• 6 years of experience with advanced SQL (MSSQL/MySQL/PostgreSQL etc.)
• 4 years of experience with NoSQL database preferably MongoDB
• Experience with building SaaS platforms for cloud-based products preferably AWS
• Experience with Containers and Kubernetes (K8s) preferably EKS
• Experience with Event-Driven Architecture
• Experience with Message Brokers such as RabbitMQ/SQS/Kafka preferably Kafka
• Experience with Microservices development
• Experience with AI tools for leveraging team velocity & quality
• B.S. in computer science or equivalent

What Could Set You Apart

• Practical experience with Agile development methodologies.
• Familiarity with cloud platforms (AWS Azure or Google Cloud).
• Hands-on knowledge of non-relational databases like MongoDB.
• Experience with message queues or streaming platforms (e.g. RabbitMQ SQS Kafka).
• Experience in mentoring new hires and interns fostering a culture of collaboration and best practices.

Required Experience:

Senior IC