Senior Platform Engineer

Greenbox Capital

1d•Remote

About The Position

At Greenbox Capital, we help small businesses thrive by giving them fast, accessible funding. As a Senior Platform Engineer, you’ll play a key role in modernizing our origination ecosystem by building scalable, high-performance platform services that power critical business workflows. You’ll drive results in platform transformation, API development, and system integration, and your work will directly support our growth, operational efficiency, and ability to innovate. This role reports to VP of Tech and operates as an individual contributor.

Requirements

Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)
7+ years of professional software engineering experience
5+ years building scalable backend services and APIs using Python
Proven experience contributing to or leading platform modernization or migration initiatives
Experience working in cloud-native environments (preferably Azure)
Experience designing and operating production-grade REST APIs
Advanced Python (service development, testing, packaging, maintainable design)
Databricks, Spark, and data platform ecosystems (required)
REST API design, authentication, versioning, and error handling best practices
Frameworks such as FastAPI or Flask
Azure cloud services (compute, storage, networking, identity, monitoring, API management)
CI/CD pipelines, version control, and tooling (Azure DevOps, GitHub Actions)
DevOps fundamentals including deployment pipelines and secrets management
Experience with relational and NoSQL databases, event-driven architectures, and asynchronous processing

Nice To Haves

Background in regulated industries such as FinTech, Banking, or Healthcare is a plus
Vue.js or modern frontend frameworks, Streamlit, Terraform/Bicep, AI-enabled application patterns, and familiarity with .NET/C#

Responsibilities

Platform Modernization & Architecture Execution
Deliver scalable services and components that successfully replace legacy platform functionality
API & Integration Engineering
Design and implement secure, maintainable APIs and integrations that support internal systems and third-party platforms
Cross-Functional Collaboration & Technical Leadership
Partner effectively with engineering, data, and product teams while influencing architecture, standards, and delivery practices

Benefits

Competitive Pay - We know your worth and we pay accordingly.
Flexible PTO - Work hard, rest well. Take the time you need to recharge.
Remote - Fully remote within the U.S., working Eastern Time hours to keep everyone aligned.
Full Benefits Package - Health, dental, vision
Smart, Supportive Teammates - Collaborate with sharp minds who are kind, driven and uphold our core values: Commitment, Communication, Teamwork, Service and Integrity!

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