Senior Backend Engineer

Plooto Inc.; United States; Remote; USD 130,000 - 190,000; Full time

Benefits offered by this job

Ownership culture

Mentorship

Continuous improvement

Job summary

Plooto, a leading fintech, seeks a senior backend engineer to rebuild and scale a next-generation platform that powers payments and cash flow for thousands of North American businesses. You will own architecture and drive cloud-native backend services.

The role focuses on high-throughput systems on .NET and Azure, event-driven design with Kafka, and observable APIs. You will mentor teammates and collaborate with product to translate business problems into robust technical solutions.

Qualifications

• 5+ years of backend engineering experience in high-growth or product-led environments.
• Strong expertise in C# and modern backend design principles.
• Experience designing and operating production RESTful APIs.
• Cloud-native architecture with Kubernetes, serverless, and managed services, ideally on Azure.
• Experience building distributed, high-throughput systems and event-driven architectures such as Kafka.
• Solid grasp of automated testing strategies and data storage patterns across RDBMS and NoSQL systems.

Responsibilities

• Design and deliver scalable backend services built on .NET and Azure with clean, testable code.
• Architect and evolve event-driven, distributed systems that process high volumes of financial transactions.
• Build API-first services with reliable contracts, observability, and clear service boundaries.
• Lead complex technical initiatives end-to-end from design through production rollout.
• Make pragmatic trade-offs between speed, scalability, and long-term maintainability.
• Partner with product and design to translate ambiguous business problems into elegant technical solutions.

Skills

C#

REST APIs

Azure

Kubernetes

Event-driven

Distributed systems

Testing strategies

RDBMS

NoSQL

Kafka

Tools

Kafka

Job description

Role overview

A senior backend engineering role focused on rebuilding and scaling a next-generation fintech platform that powers payments and cash flow management for tens of thousands of businesses across North America. The work centers on high-throughput, cloud-native systems that move money, orchestrate complex financial workflows, and surface real-time insights, with meaningful ownership over architecture and engineering standards.

Responsibilities

• Design and deliver scalable backend services built on .NET and Azure, with a strong emphasis on clean, testable code
• Architect and evolve event-driven, distributed systems that process high volumes of financial transactions
• Build API-first services with reliable contracts, observability, and clear service boundaries
• Lead complex technical initiatives end-to-end, from design through production rollout
• Make pragmatic trade-offs between speed, scalability, and long-term maintainability
• Partner with product and design to translate ambiguous business problems into elegant technical solutions

Requirements

• 5+ years of professional backend engineering experience in high-growth or product-led environments
• Strong expertise in C# (or another strongly typed language) and modern backend design principles
• Deep hands-on experience designing and operating production RESTful APIs
• Cloud-native architecture experience with Kubernetes, serverless, and managed services, ideally on Azure
• Experience building distributed, high-throughput systems and event-driven architectures such as Kafka
• Solid grasp of automated testing strategies and data storage patterns across RDBMS and NoSQL systems

Nice to have

• Background in fintech, payments, or other regulated domains
• Prior startup experience helping scale both systems and teams
• Comfort using AI tools to increase delivery velocity and code quality

Benefits and work setup

• High-ownership culture with cross-functional collaboration and regular engineering forums
• Emphasis on mentorship, design discussion, and continuous improvement