⚡ Senior Backend Engineer
📍 Remote (US)

I’m supporting our client, a high-impact fintech infrastructure company, as they hire a Senior Backend Engineer to help architect and scale mission-critical financial systems.

The platform processes 100M+ in weekly transaction volume, supports payment processing, fraud detection, and compliance workflows, and operates with 99.9%+ uptime. The engineering bar is high because the systems sit directly in the flow of money movement.

This is a senior role focused on building complex backend systems that coordinate payments, fraud detection, compliance, and user management across a distributed microservices architecture.

The Opportunity

You’ll work on systems that:

• Process millions of dollars daily

• Coordinate cross-border payments and financial APIs

• Meet strict regulatory and compliance requirements

• Operate reliably at scale

You’ll play a key role in shaping backend architecture as the platform continues to grow.

What You’ll Do

Architect Critical Financial Systems

• Design and implement payment processing, fraud detection, and compliance services

• Build systems that operate reliably under high transaction volumes

• Ensure solutions meet regulatory and audit requirements

Lead Cross-Domain Engineering

• Coordinate interactions across payments, fraud, user management, and compliance domains

• Design systems that integrate cleanly with third-party financial services

Drive Technical Decisions

• Lead architecture discussions that impact the broader platform

• Establish engineering best practices and scalable design patterns

Improve Performance & Reliability

• Optimize distributed microservices for throughput and resilience

• Strengthen observability, fault tolerance, and system stability

Mentor & Collaborate

• Support and mentor junior engineers

• Partner closely with product and compliance teams to align technical solutions with business and regulatory needs

What They’re Looking For

• 5+ years building complex, production-grade backend systems

• Demonstrated systems engineering experience solving cross-domain challenges

• Strong foundation in algorithms, data structures, and core computer science principles

• Experience with distributed systems, microservices, and event-driven architectures

Technical Stack

• Python (Python 3) with strong API and backend development experience

• SQL and NoSQL database design

• Cloud infrastructure experience (GCP preferred, or similar platforms)

• Familiarity with architecture patterns such as domain-driven design, clean architecture, and CQRS

• Ability to design systems balancing performance, maintainability, and business requirements

Preferred Experience

• Payment processing, fraud detection, or compliance systems

• Knowledge of AML, KYC, PCI DSS, or similar financial regulations

• Banking integrations or money movement systems

• High-scale transaction environments

• Coordinating multiple third-party integrations

Why Apply?

• Direct impact within a small, high-calibre engineering team

• Ownership of architecture decisions that will scale with the business

• Complex, meaningful engineering challenges in financial infrastructure

• Opportunity to help shape engineering culture and standards

• Remote-first environment with flexibility

This role suits engineers who enjoy systems thinking, architectural ownership, and working close to real-world financial complexity.

Interested in applying?

Click Easy Apply or email me at ben.watts@storm2.com

Storm2 is a specialist FinTech recruitment firm with clients across Europe, APAC, and North America. To discuss open opportunities or career options, visit storm2.com and follow the Storm2 LinkedIn page for the latest roles and market intel.