Blockchain Developer

Job Title: Blockchain Developer

Location: Gdansk, Poland - Remote

Duration: 6 Months (Extendable)

Employment Type: Contract B2B

Roles & Responsibilities:

We are seeking an experienced Blockchain Developer with a proven track record in delivering mission-critical IT solutions within complex, high-availability environments. If you have deep blockchain expertise, strong integration skills, and a passion for innovation, we want to hear from you.

Key Responsibilities

• Design, develop, and maintain blockchain solutions in high-performance environments.
• Implement custody/self-custody workflows including trade clearing, settlement, corporate actions, and reconciliations.
• Integrate and ensure high-quality data flows across systems.
• Collaborate with cross-functional teams using JIRA & Confluence for project management.

Must-Have Skills

• 5+ years of development experience in mission-critical IT systems.
• Strong knowledge of blockchain technology & hands-on experience with existing blockchains (EVM compatible preferred).
• Proven experience in custody workflows and system/data integration.
• Proficiency with JIRA and Confluence.

Nice-to-Have Skills

• Blockchain interoperability experience.
• Knowledge of cryptographic primitives.