Client Engagement API Specialist
Core
First point of contact for clients using Kraken's REST, WebSocket, and FIX APIs, providing technical support, debugging, and integration advice while developing official API libraries and documentation.
Role type
Senior IC API Specialist (Financial Infrastructure)
Builds
Official API libraries/wrappers in multiple programming languages; client-facing API documentation and support content.
Domain
Cryptocurrency exchange / Financial infrastructure / API development
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Programming languages (Python, JavaScript, C/C++, C#, Rust), REST/WebSocket/FIX API functionality, data format interpretation (JSON, CSV, XML, FIX 4.4), host management (AWS), network configuration (firewalls), technical documentation writing, API testing and feedback.
Preferred skills
Trading-related code experience, Google Sheets/Script/SQL, third-party API tools (Postman, N8N), UNIX command line (bash, sed, awk, grep, expect).
Technologies
REST, WebSocket, FIX, JSON, CSV, XML, AWS, Zendesk, Telegram, Zoom, Postman, N8N, Google Sheets, Google Script, SQL, bash, sed, awk, grep, expect.
Responsibilities
Answer clients' API questions via text and live support channels; diagnose and provide solutions for clients' API related issues; assist clients in implementing their API code; develop and maintain official API libraries/wrappers; maintain internal and client facing API documentation; provide testing and feedback for new API features; perform API related engineering tasks (API onboarding, firewall management, networking configuration); assist in the management of the API support team.
Seniority
Mid-to-Senior, hands-on IC with team support responsibilities.