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DeltaV Recruitment

Staff Software Engineer (Backend)

DeltaV Recruitment, New York, New York, us, 10261

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About the job Staff Software Engineer (Backend)

Location:

New York, NY (On-Site) Employment Type:

Full-Time Compensation:

$160k $220k + equity About the Company

Our client is a rapidly growing infrastructure software company building specialized platforms that power high-volume, regulated transactions. Backed by top investors and operating with a lean, high-caliber engineering team, they tackle complex domain challenges at scale, delivering seamless integrations while managing compliance, reconciliation, and operational heavy lifting.

About the Role

As a

Senior or Staff Back-End Engineer , you'll design, build, and operate core services that process critical business transactions with precision and audit-level accuracy. You'll collaborate with product, accounting, and risk stakeholders to translate complex requirements into resilient, low-latency systems, while owning the full engineering lifecycle from design to deployment and monitoring. This is a hands-on, deeply technical role for an engineer who thrives on autonomy, is comfortable with distributed systems, and has a track record of building reliable, production-grade services in regulated environments.

What You'll Do

Architect and maintain event-driven, double-entry accounting services to record transactions (charges, refunds, payouts, fees) with high accuracy and observability. Build and operate distributed payment systems leveraging

AWS Lambda ,

ECS ,

DynamoDB , and related cloud-native tools. Ensure high system reliability through robust testing, idempotent design, and infrastructure-as-code practices. Translate regulatory, tax, and accounting rules into maintainable software abstractions. Collaborate with cross-functional partners to deliver features that are both technically sound and compliant. Mentor peers, influence best practices, and contribute to a culture of ownership, transparency, and technical excellence. What Were Looking For

5-10+ years of professional experience in back-end focused engineering roles. Proven experience designing and shipping production-grade payment or ledger systems. Expertise in

Python

(Go experience a plus) and AWS infrastructure. Deep understanding of

distributed systems

and

data pipelines . Strong tenure in prior roles (3+ years in each of your last few positions preferred). Experience integrating with third-party payment platforms (Stripe experience a plus). History of zero-to-one project delivery in fintech or other regulated industries. Willingness to work onsite in NYC 5 days/week. Bonus Points

Experience with large-scale integrations Background in high-growth startups or regulated industries. Contributions to open-source projects in distributed systems or infrastructure.