Senior Frontend Engineer (Freelance)
Core
Senior Frontend Engineer building production-grade mobile and web applications for over 500,000 customers at a financial services company.
Role type
Senior Frontend Engineer (Freelance/Contract)
Builds
New projects from scratch and expands/modernizes existing customer-facing services and shared libraries/SDKs
Domain
Financial Services / Mobile & Web Development
Deliverable
production ML models | product features
Required skills
React Native, React, TypeScript, API design, versioning, backward compatibility, mobile authentication, security, biometrics, PIN/OTP flows, secure storage, identity verification, JavaScript, iOS/Android native platforms, CI/CD, testing, Agile practices
Preferred skills
Experience designing shared libraries or SDKs, strong focus on API design and versioning
Technologies
React Native, Typescript, AWS, GraphQL
Responsibilities
Work with modern technologies to build new projects and modernize existing applications; take ownership of services used directly by customers; collaborate with multidisciplinary teams to design, develop, and maintain scalable solutions
Seniority
Senior, hands-on IC