[Remote] Senior Backend Engineer - US
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