.Net Developer -CGEMJP00349644

Role: .Net Developer

Austin, Texas

Key Responsibilities:

Design and develop real-time transaction processing systems with end-to-end latency requirements below 300 milliseconds.

Build highly resilient and scalable architectures capable of enriching transactions from approximately 10+ on-premises and cloud-based data sources.

Develop and maintain event-driven streaming solutions using:

Apache Kafka

Apache Flink

Kong API Gateway

Build and support real-time integrations using:

AWS Glue

AWS Lambda

Amazon EventBridge

HVR (Five Tran HVR)

Design, build, and consume high-performance REST APIs using .NET/.NET Core.

Implement resilient messaging, event processing, monitoring, and fault-tolerant patterns.

Collaborate with cloud, infrastructure, and security teams to ensure scalability and reliability.

Optimize system performance to meet stringent SLAs and low-latency requirements.

Required Technical Skills

Real-Time Processing

Proven experience building real-time distributed systems.

Demonstrated experience delivering transaction round-trip times under 300 milliseconds.

Experience enriching transactions using multiple internal and external data sources.

Streaming & Messaging

Apache Kafka

Topic design

Consumer groups

Stream processing

Custom Kafka business logic

Apache Flink

Stateful stream processing

Event-time processing

Windowing

Low-latency data pipelines

API & Integration Technologies

Kong API Gateway

REST APIs

Microservices Architecture

.NET / .NET Core / C#

AWS Technologies

AWS Glue

AWS Lambda

Amazon EventBridge

Cloud-native event-driven architectures

Integration between on-premises and cloud platforms

Data Replication & Integration

HVR (High Volume Replication/Fivetran HVR)

Real-time data synchronization and replication strategies

Security & Network Intelligence Requirements

The candidate should possess experience in:

IP reputation and risk analysis

Identifying and classifying traffic originating from:

TOR networks

Proxy servers

VPN services

Fraud detection or cybersecurity-related enrichment services

Integration of threat intelligence and geolocation services into transaction workflows

Preferred Qualifications

• Experience in payments, fintech, banking, fraud prevention, or risk management systems.

• Experience operating systems with high transaction volumes and strict SLA requirements.

• Strong understanding of resiliency patterns, fault tolerance, and distributed architectures.

• Knowledge of observability, monitoring, and performance tuning.