Note: The job is a remote job and is open to candidates in USA. Greenbox Capital helps small businesses thrive by providing fast, accessible funding. As a Senior Backend Engineer, you'll modernize the origination ecosystem by building scalable platform services and driving results in platform transformation, API development, and system integration.

Responsibilities

• Platform Modernization & Legacy Replacement – Reducing reliance on legacy systems through scalable service development
• API & Integration Delivery – Building secure, reliable APIs and supporting internal/external integrations
• Platform Reliability & Engineering Excellence – Driving code quality, observability, and scalable architecture
• Deliver scalable services and components that successfully replace our .NET legacy platform to Python on Databricks
• Design and implement secure, maintainable APIs and integrations that support internal systems and third-party platforms
• Partner effectively with engineering, data, and product teams while influencing architecture, standards, and delivery practices

Skills

• 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)
• Must have proven experience and skills working with Databricks, Spark, and data platform ecosystems
• 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
• Demonstrate the ability to design and build scalable backend systems in complex, data-intensive environments
• Have a strong ownership mindset and can operate autonomously in ambiguous technical situations
• Collaborate effectively across engineering, product, and data teams in a distributed environment
• Communicate clearly with both technical and non-technical stakeholders
• Bring a pragmatic approach to building vs. buying solutions and can justify trade-offs
• Are naturally curious, adaptable, and thrive in a fast-moving, evolving organization like Greenbox
• Vue.js or modern frontend frameworks
• Streamlit
• Terraform/Bicep
• AI-enabled application patterns
• Familiarity with .NET/C#

Benefits

• 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, 401K with employer match
• Smart, Supportive Teammates - Collaborate with sharp minds who are kind, driven and uphold our core values: Wear Green First, Pull the Thread, Move the Needle, Courage Over Comfort, Think Bold, Win Together, and Own the Outcome

Company Overview