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Kuala Lumpur Jobs | Expertini

Urgent! Backend Engineer - Distributed Systems & Blockchain - Local Job Opening in Kuala Lumpur

Backend Engineer Distributed Systems & Blockchain



Job description

e23 WP.

Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia

e23 is a Malaysian technology venture builder focused on developing blockchain and digital asset infrastructure that bridges traditional finance and decentralized finance (DeFi).

The company operates across several innovation pillars — including stablecoins, real‑world asset (RWA) tokenization, CEX/DEXes and digital payment solutions.

e23’s mission is to advance Malaysia’s participation in the digital financial ecosystem by creating compliant, transparent, and institution‑grade blockchain systems.

We envision becoming a key player in Southeast Asia’s regulated digital asset space — bridging blockchain technology with financial compliance, enabling digital payment innovation, and supporting Malaysia’s progression toward a digital finance infrastructure.

Role Description We are seeking an experienced Backend Engineer to join our engineering team and build scalable, high‑performance distributed systems.

You will work on microservices architecture, integrate blockchain smart contracts, and handle real‑time data processing using modern message queue systems.

Key Responsibilities

Design, develop, and maintain microservices‑based applications using Node.js and TypeScript.

Implement and optimize RDS database solutions with focus on performance, scalability, and data integrity.

Build and manage message queue systems using Redis, RabbitMQ, and/or Kafka for asynchronous processing.

Develop concurrent processing solutions to handle high‑throughput workloads efficiently.

Integrate and interact with blockchain smart contracts for decentralized application features.

Containerize applications using Docker and manage containerized deployments.

Design event‑driven architectures and implement pub/sub patterns.

Write clean, maintainable, and well‑documented code following best practices.

Collaborate with cross‑functional teams to deliver robust and scalable solutions.

Monitor system performance, troubleshoot issues, and implement improvements.

Required Technical Skills Core Technologies

Backend Development: Strong proficiency in Node.js and TypeScript

Databases: Hands‑on experience with RDS (PostgreSQL, MySQL, or Aurora)

Message Queues: Working knowledge of Redis, RabbitMQ, and/or Kafka

Containerization: Practical experience with Docker and container orchestration

Blockchain: Experience integrating smart contracts (Ethereum, Solidity, Web3.js, or similar)

Deep understanding of microservices architecture patterns

Experience with RESTful APIs and/or GraphQL

Knowledge of event‑driven architecture and asynchronous messaging

Understanding of concurrency patterns and parallel processing

Familiarity with distributed systems concepts

Additional Technical Skills

Experience with API gateway patterns and service mesh

Knowledge of caching strategies (Redis, in‑memory caching)

Understanding of database optimization, indexing, and query performance

Familiarity with CI/CD pipelines and DevOps practices

Experience with cloud platforms (AWS, GCP, or Azure) is a plus

Qualifications

Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)

3+ years of experience in backend development

Proven track record of building and deploying microservices in production

Strong understanding of software design patterns and principles

Experience with version control systems (Git)

Excellent problem‑solving and debugging skills

Strong communication and collaboration abilities

Nice to Haves

Experience with Kubernetes or other container orchestration platforms

Knowledge of blockchain protocols and DeFi ecosystems

Familiarity with monitoring and observability tools (Prometheus, Grafana, ELK stack)

Experience with testing frameworks (Jest, Mocha, Chai)

Understanding of security best practices for distributed systems

Previous experience in fintech or blockchain‑based projects

Contributions to open‑source projects

How to Apply Please prepare your resume along with the list of items below and send to

Links to your GitHub profile or portfolio

Brief description of relevant projects, especially those involving microservices or blockchain integration

Any relevant technical blog posts or articles you’ve written

A short application email indicating your expected salary and soonest available date

P/S: Only shortlisted candidates will be contacted for first interview.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Blockchain Services

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Required Skill Profession

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