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Mid-Level Crypto Developer

Only High IQPorto, Porto District, Portugal

Há 7 dias

Descrição da vaga

Position : Mid-Level Crypto Developer

Location : Hybrid at Porto city center

Start Date : Immediate

We’re looking for a Crypto Developer with solid experience in blockchain technologies and strong technical skills in JavaScript / TypeScript to join our team. If you’re passionate about decentralized tech, security, and innovative financial experiences, we’d love to hear from you!

What We're Looking For :

Crypto Knowledge & Experience :

Creating and managing custodial wallets
Integrating On-Ramp and Off-Ramp solutions (e.g., Transak, MoonPay)
Working with the Lightning Network (channels, invoices, nodes)
Good understanding of crypto security, privacy, and KYC / AML practices

Tech Skills :

JavaScript & TypeScript

Node.js (Express, external service integrations, backend logic)

Relational Databases (PostgreSQL or MySQL) with solid SQL skills

NoSQL Databases (MongoDB or DynamoDB)

Designing and consuming RESTful APIs

Version control with Git (branching, pull requests, code reviews)

What You’ll Be Doing :

Develop and maintain crypto infrastructure (wallets, payments, partner integrations)

Collaborate with the product and frontend teams to create seamless, secure crypto experiences

Build and document APIs for crypto operations

Contribute to technical and architectural decisions

Requirements :

2–4 years of experience in web development

Hands-on experience with crypto products (previous jobs, open-source projects, or personal work)

Strong communication skills and ability to work in a team

Nice to Have :

Experience with AWS (especially Lambda, DynamoDB, S3)

Knowledge of backend security best practices (authentication, rate limiting, data encryption)

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Developer • Porto, Porto District, Portugal