Full Stack Blockchain Developer (Solana)

Blockchain and Cryptography (3.0 yr.)

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B2 (Upper-Intermediate) English

Middle (3-5 years)

Required Skills

Solana

Node.js

React

Smart Contract 1.0 yr.

Wallets 2.0 yr.

Nice to Have

Rust Anchor PostgreSQL Redis KYC

ID: 600-173-582

Last Updated: 2025-07-30

We are developing a crypto-based non-custodial funds transfer platform with Buy Now Pay Later service for medical equipment and services in South America and for LatAM<>US transfers

Requirements:

Familiarity with Solana and other crypto ecosystems
Experience integrating with ACH, KYC, exchange APIs
1+ years of experience with smart contracts using Rust + Anchor (Solana) or similar
Experience developing or integrating Web3 wallets
At least 2+ years of full-stack experience with Node.js and React
Strong command of PostgreSQL and Redis
Experience with major cloud ecosystems (e.g., AWS, GCP)
Proficiency in English. Spanish would be an advantage.

Not your tech stack?

Join the Upstaff community and we are looking for the best project for you. Be ready for the next steps: Create your profile on our website (import from LinkedIn)

20-30-minute screening call
Technical interview
Feedback
Project Selection (we are looking for the best project for you).

We work with developers from 50+ countries in different regions: Europe, LATAM, the U.S. (W-9 form owners), Canada, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), and the the UK.

We don’t have a legal and ethical basis to accept applicants from the following countries: Russia, Belarus, Iran, North Korea
We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.