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.