Senior Python Developer - Framework Owner
Credmark is a blockchain data company providing APIs, raw data, and a transformation platform for DeFi developers, analysts, and quantitative users. Its products provide token pricing, portfolio activity, and on-chain DeFi data across multiple networks.
Maintainer signals as of 8/14/2026
Funding history
About Credmark
Credmark provides curated historical and real-time blockchain data through its Token API, Portfolio API, DeFi API, raw-data offering, and Credmark Terminal. Developers can access token prices, liquidity, holdings, metadata, wallet activity, risk metrics, and on-chain protocol data, while users can build and run Python-based transformations through the Credmark Model Framework. The platform serves developers, quants, and organizations building DeFi applications and risk models.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will take overall responsibility for the Model Framework (CMF). You will plan and architect the framework, understand the needs of financial modelers, create simple and feature-rich APIs (including TypeScript), develop client-side SDKs, manage the CI/CD pipeline, use AWS and cloud services to scale systems, document APIs and code for public consumption, perform code reviews, and research technologies and features.
Requirements
- 5+ years practical programming experience in Python and JavaScript
- Experience with microservices
- Experience with middleware
- Experience designing and consuming APIs
- Experience building and managing scalable big data systems
- Proficiency with JSON
- Proficiency with SQL
- Experience with automated documentation systems (e.g., Sphinx)
- Experience with AWS or other cloud providers
- Familiarity with cybersecurity best practices
- Experience working in agile teams
- Experience in DeFi and blockchain technologies
- Active contributor to at least one open source project
- Highly organized and collaborative
Responsibilities
- Plan and architect the CMF (Credmark Model Framework)
- Understand platform users' needs, particularly financial modelers
- Create simple and feature-rich APIs using TypeScript and other languages
- Develop client-side SDKs
- Manage the framework CI/CD pipeline
- Use AWS and other cloud services to build scalable solutions
- Document APIs and code for public consumption
- Perform code reviews for fellow engineers
- Research technologies and brainstorm useful features