COCA Wallet

This is a technical roles with deep understanding of REST APIs and webhooks, who can work on real production integrations.

About the Role

We’re looking for an Integration Specialist to lead technical onboarding and ongoing support of B2B partners integrating with a crypto-fintech Banking-as-a-Service (BaaS) platform.

In this role, you’ll act as a bridge between partners and the platform’s technology, ensuring smooth integrations across REST APIs, webhooks, and on-chain (EVM) components.

Key Responsibilities:

- Lead the full integration process for new B2B partners, ensuring smooth onboarding and timely launches across both API and on-chain touchpoints

- Act as the primary technical point of contact for partners, supporting them with API documentation, smart wallet integrations, and blockchain-specific queries

- Conduct UAT and certification checks to validate transaction flows, wallet operations, and compliance requirements

- Identify, troubleshoot, and resolve technical issues during integration, including debugging API calls, webhook failures, and on-chain transaction errors

- Maintain, update, and continuously improve integration guides, API documentation, and technical runbooks

- Work closely with Engineering, Product, and Commercial teams to align technical delivery with business objectives

Requirements:

- 3+ years in technical support/engineering, integrations, or software engineering with strong API exposure
- Languages: Russian or Ukranian - must have 

- Strong understanding of REST APIs, JSON, and webhooks

- Hands-on experience with API testing tools (Postman/Insomnia or similar)

- Familiarity with blockchain concepts: wallets, transactions, EVM basics, and token standards (ERC-20)

- Experience with blockchain analyze via explorers

- Understanding of account abstraction, smart wallets/MPC wallet infrastructure

- Experience with stablecoins, payment rails, or fintech/crypto products background

- Experience using log management tools to investigate and debug issues

- Ability to explain complex technical concepts clearly to both technical and non-technical stakeholders

- Strong written and verbal communication skills in English (Upper-Intermediate or higher)

- Ownership mindset: you care about results and long-term partner success

- Ability to work independently, prioritize effectively, and stay focused on outcomes

Nice to Have:

- Basic to intermediate SQL querying skills

- Basic knowledge of Python / TypeScript / Go programming language

- Knowledge of KYC/AML compliance flows in crypto context

- Hands-on experience running technical demos

What We Offer:

- Opportunity to work at the intersection of traditional finance and blockchain technology

- Direct impact on partner success and platform growth

- Collaborative environment with experienced blockchain engineers and product teams

- Professional growth in the rapidly evolving Web3/fintech space