Backend Python Developer - Crypto & Blockchain

CFI Financial Group; Petaling Jaya; On-site; MYR 90,000 - 180,000; Full time

Job summary

CFI Financial Group in Malaysia is seeking a backend developer to build and maintain scalable crypto and trading backend services. You will collaborate with product and engineering teams to implement secure, high-performance APIs and integrations with blockchain networks.

Ideal candidates have strong Python, SQL, and crypto domain experience, with familiarity in testing, code reviews, and modern backend tooling. Hybrid work and exposure to cloud and containers are a plus.

Qualifications

• Proficiency in Python with backend frameworks (e.g., FastAPI, Flask, Django).
• Strong SQL design, optimization, and maintenance of relational databases.
• Experience in cryptocurrency or blockchain projects with understanding of crypto protocols, wallets, transactions, and exchanges.

Responsibilities

• Collaborate with developers, product teams, and stakeholders to design and implement backend features for trading and crypto products.
• Translate business requirements into scalable, secure, and efficient technical solutions.
• Define and document technical specifications, selecting technologies and workflows aligned with best practices.
• Implement and maintain unit and integration tests to ensure high-quality, reliable software delivery.
• Participate in code reviews, identify anti-patterns, and drive continuous refactoring and optimization.
• Design and implement secure integrations with blockchain networks, crypto exchanges, and digital wallets.
• Contribute to backend systems powering cryptocurrency trading, custody, settlement, and risk management.
• Ensure software meets standards for performance, security, scalability, and maintainability.
• Present technical designs and implementations to team leads, department heads, or the CTO.
• Perform other duties as assigned by leadership when necessary.

Skills

Python

SQL

Crypto/Blockchain

Tools

Web3.py

Docker

Kubernetes

Job description

CFI Financial Group in Malaysia is seeking a backend developer to build and maintain scalable crypto and trading backend services. You will collaborate with product and engineering teams to implement secure, high-performance APIs and integrations with blockchain networks.

Ideal candidates have strong Python, SQL, and crypto domain experience, with familiarity in testing, code reviews, and modern backend tooling. Hybrid work and exposure to cloud and containers are a plus.