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Mid-Level Crypto Developer
Only High IQPorto, Porto District, PortugalHá 3 dias
Descrição da vagaJavaScript & 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) 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 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 Experience with AWS (especially Lambda, DynamoDB, S3) Knowledge of backend security best practices (authentication, rate limiting, data encryption)
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 :
What You’ll Be Doing :
Requirements :
Nice to Have :
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Developer • Porto, Porto District, Portugal
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