Senior Technical Solutions Architect role - W2- Alpharetta, GA

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Job Description

Position Overview

We are looking for a Hands-On Senior Technical Solutions Architect who can design, build, and own scalable fintech systems. This is not a pure architecture/review role the candidate is expected to actively contribute to coding, prototyping, debugging, and production support.

The ideal candidate has strong experience in high-throughput payment platforms, preferably from organizations such as Visa, Stripe, or similar fintech/payment processors.

We are specifically looking for someone who:

• Codes regularly (not just diagrams architecture)
• Has built real payment systems at scale
• Can own systems from design development production
• Brings deep fintech/payment experience (Visa/Stripe-like environments)
  
  

Key Responsibilities

Architecture Hands-On Development

• Design end-to-end architecture for payment processing systems, merchant platforms, and transaction services
• Actively contribute to code development (30 50%):
• Build microservices and APIs
• Develop integration layers and event-driven services
• Create POCs and reference implementations for critical components
  
  

System Design & Scalability

• Architect low-latency, high-availability systems handling millions of transactions
• Design:
• Event-driven architectures (Kafka / streaming)
• Distributed systems with fault tolerance and resiliency
• Solve performance bottlenecks and scalability challenges
  
  

Payments & Fintech Domain

• Deep understanding of:
• Card transaction lifecycle (Auth, Clearing, Settlement)
• Merchant acquiring and payment gateways
• Work with payment message formats:
• ISO 8583
• Integrate with:
• Card networks
• Payment processors
• Banking/core systems
  

Technical Leadership

• Lead engineering teams with architecture guidance hands-on support
• Conduct code reviews and enforce best practices
• Mentor developers on:
• System design
• Performance optimization
• Secure coding
  

Cloud & DevOps

• Design and implement solutions on AWS
• Work with:
• Containers (Docker, Kubernetes)
• CI/CD pipelines
• Implement observability:
• Logging, monitoring, tracing
  

Data & Integration

• Design data models and optimize databases (SQL/NoSQL)
• Build APIs and integration patterns:
• REST / gRPC
• Event streaming
• Handle real-time and batch processing pipelines
  
  

Production & Reliability

• Participate in production troubleshooting and incident resolution
• Ensure:
• System resiliency
• High availability
• Disaster recovery readiness
  

Required Qualifications

• 10 years of experience in software engineering / architecture roles
  
  

Strong hands-on experience with:

• Java / Spring Boot (preferred) or similar backend stack
• Microservices architecture
• Distributed systems
• Proven experience in fintech / payments domain, preferably with:
• Visa
• Stripe
• Mastercard, PayPal, Adyen, etc.
• Experience with:
• ISO 8583
• Payment gateways and processors
• Strong experience with AWS cloud services
• Solid understanding of:
• System design
• Performance tuning
• Security best practices
  
  

Preferred Qualifications

• Experience with Fiserv platforms or similar processors
• Knowledge of:
• Fraud detection systems
• Tokenization and digital wallets
• Experience with:
• Kafka or event streaming platforms
• Kubernetes orchestration
  

Key Skills

• Hands-On Architecture & Development
• Distributed Systems & Microservices
• Payments Domain Expertise
• Cloud Architecture (AWS)
• API & Integration Design
• Performance Optimization