Job Description

Roles & Responsibilities

Blockchain Development — Build and maintain multi-chain integrations across Ethereum, Bitcoin, TRON, and Polygon — Develop and deploy smart contracts with a focus on security and reliability — Implement wallet infrastructure, key management, and transaction signing flows — Integrate with blockchain nodes and third-party APIs (RPCs, block explorers, oracles) Payment Infrastructure — Develop payment processing pipelines including invoicing, matching, and settlement — Build robust transaction monitoring, status tracking, and reconciliation systems — Implement webhook delivery systems and merchant-facing APIs — Optimise for performance, reliability, and 99.9%+ uptime Security & Compliance — Implement security best practices across wallet flows and transaction handling — Support KYC/AML/PCI-DSS compliance requirements within the engineering layer — Contribute to audit trails, logging, and regulatory reporting systems — Participate in security reviews and code audits Engineering Collaboration — Work closely with the engineering team on architecture and implementation — Participate in code reviews and maintain coding standards — Collaborate with Product and Compliance teams on feature delivery — Write clear technical documentation and contribute to internal knowledge sharin

Desired Candidate Profile

Must-Have Technical Skills — 3–4 years of software development experience with hands-on blockchain/Web3 work — Blockchain expertise: Ethereum, Bitcoin, Layer 2 solutions (Polygon, Arbitrum, Optimism) — Languages: Node.js, Python, Go, Solidity — Architecture: Microservices, distributed systems, event-driven design — Cloud: AWS/GCP/Azure with containerisation via Docker/Kubernetes — Security: Cryptography, key management, and security best practices Domain Knowledge — Familiarity with fintech, payment systems, or digital assets — Understanding of KYC/AML compliance concepts in a blockchain context — Knowledge of stablecoins, DeFi protocols, and token standards (ERC-20, TRC-20) — Awareness of payment flows, settlement, and reconciliation mechanics Qualities We Value — Detail-oriented with strong debugging and analytical skills — Clear communicator who can document and explain technical decisions — Comfortable working in Agile/Scrum team environments — Self-driven with a track record of shipping reliable code