Go Blockchain Developer

Job Title: Go Blockchain Developer


About Us:

Guavapay is a payment platform that drives payment optimisation and stability. Guavapay’s full-stack payment ecosystem includes a range of financial technology products and solutions. Our flagship product is MyGuava, the “all things payments app”. In addition to MyGuava, we offer a range of other payment services to businesses and individuals, including card processing, cross-border payments / remittance, merchant acquiring, card issuing and e-wallets. Whatever our customers’ needs are, our breakthrough platform can help them integrate, process and transact globally. We aim to take our place on the forefront of payment disruption, bringing innovative solutions for flawless and low cost payments on the market.

Our future plans extend beyond payments and remittance to other fintech areas. Our ambitions are global. Our drive for success is unmatched.

Role Overview:

We are looking for an experienced Go Blockchain Developer. If you have experience in Go development and a good understanding of blockchain principles, we would be happy to welcome you to our team.

Requirements & Qualifications:

Knowledge of Blockchains:

• Experience with EVM and Bitcoin-compatible blockchains at a foundational level.
• Understanding of critical vulnerabilities in blockchain systems.
• Basic knowledge of cryptography and encryption (signatures, hashes, mTLS).
• Experience in administering blockchain nodes is a plus.

Knowledge of Protocols:

• Experience with protocols such as ERC20, TRC10/20.
• Ability to work with smart contracts: calling procedures, retrieving state.

Programming Languages:

• Golang: Ability to write your own code and read others' code.
• Experience with packages: echo/gin, go-ethereum, btcd.
• Experience in BDD (ginkgo, gomega) is a plus.
• Knowledge of Java (reading and making minimal edits to others' code) and Solidity (ability to read code and understand its functionality) is a plus.

Understanding of Microservices Architecture:

• Experience with message brokers (RabbitMQ, Kafka is a plus).
• Knowledge and experience with REST API, JSON-RPC.
• Experience with databases: PostgreSQL, Redis (ORM). Understanding of indexes and transactions.