Blockchain Developer [Solidity Smart Contracts, Java + TypeScript]

Company: Tekton

Sector: Banking and Finance

Location: Remote (Brazil-based or Portuguese speaker preferred)

Type: Part-time, 20 hours/week (initially for 6-9 months, with potential extension)

Overview:

Tekton is seeking a skilled Blockchain Developer to join a project for a client in the banking and finance sector. The ideal candidate will have strong experience with Solidity, Hyperledger Besu, and JavaScript clients utilizing web3js. This role requires a proactive developer with troubleshooting skills and experience in deploying pipelines.

Key Responsibilities:

• Write and interact with Solidity smart contracts via Postman calls to JavaScript clients using web3js.
• Configure and maintain Hyperledger Besu.
• Conduct troubleshooting, including inspecting the actual client source code; proficiency in TypeScript is essential.
• Support Java-based clients for interacting with non-private contracts using web3j.
• Plan, configure, and deploy pipelines for both Smart Contracts and clients using Docker/Podman.

Requirements:

• Proven experience with Solidity, web3js, and Hyperledger Besu.
• Strong JavaScript and TypeScript development skills.
• Familiarity with Java-based blockchain clients (web3j).
• Experience in CI/CD pipeline setup and deployment using Docker/Podman.
• Good problem-solving and debugging skills.
• Located in Brazil or fluent in Portuguese (preferred).

What We Offer:

• Flexible part-time work, starting at 20 hours per week.
• Initial contract of 6-9 months, with the possibility of extension based on performance and project requirements.
• Opportunity to work on a high-impact project in the banking and finance sector.