Senior Blockchain Engineer

OCBC Bank; Singapore; On-site; SGD 120,000 - 190,000; Full time

Benefits offered by this job

Competitive base salary

Flexible benefits

Learning & development

Equal opportunity

Job summary

OCBC Bank is seeking a Senior Blockchain Engineer to join our emerging technology team in Singapore. You will design and build secure, scalable blockchain-based financial solutions, translating regulatory requirements into practical architectures for digital assets, with a focus on on-chain and off-chain integration.

You'll contribute to the development of APIs and microservices, operate CI/CD pipelines, and ensure production readiness through observability and strong security practices in a

Qualifications

• Bachelor's or Master's in CS/Software Eng/IS.
• At least 5 years software engineering experience with backend.
• At least 3 years blockchain/DLT experience.
• Strong knowledge of TypeScript/Node.js, Java, Solidity.
• Experience with APIs, microservices, and secure systems.
• Familiar with CI/CD, Docker, Kubernetes, cloud platforms.

Responsibilities

• Design digital asset lifecycles and on-chain/off-chain flows.
• Translate regulatory requirements into secure architectures for digital assets.
• Develop, test, deploy blockchain apps and APIs.
• Build and operate CI/CD pipelines, automation, and containerisation.
• Monitor production with metrics, logs, alerts, and dashboards; handle incidents.

Skills

TypeScript/Node.js

Java

Solidity

Blockchain/DLT

APIs

Microservices

CI/CD

Docker

Kubernetes

Cloud platforms

Education

Bachelor's or Master's degree in Computer Science, Software Engineering, Information Systems

Tools

Docker

Kubernetes

AWS

Azure

Google Cloud

Job description

WHO WE ARE:

As Singapore's longest established bank, we have been dedicated to enabling individuals and businesses to achieve their aspirations since 1932. By taking the time to truly understand people, we provide support, services, solutions, and career paths that meet their individual needs and desires. Today we are on a journey of transformation, leveraging technology and creativity to become a future-ready learning organisation. Our strategic ambition is consistently clear and bold: to be Asia's leading financial services partner for a sustainable future. We invite you to build the bank of the future, innovate the way we deliver financial services, work in friendly supportive teams, build lasting value in the community, help people grow their assets, business, and investments, take your learning as far as you can, or simply enjoy a vibrant future-ready career. Your Opportunity Starts Here.

Why Join

We are seeking a Senior Blockchain Engineer to join OCBC's emerging technology team. The role focuses on building secure, scalable, resilient and compliant digital asset, and blockchain-enabled financial solutions. The role also requires an understanding of solution architecture and financial domain design, including the ability to translate business and regulatory requirements into secure and scalable blockchain architectures for digital assets in banking.

What you do

• Understand and design around digital asset lifecycles, including transaction processing, custody, tokenisation, settlement, and reconciliation, ensuring alignment with banking workflows and controls.
• Translate business and regulatory requirements into secure, scalable architectures, covering on-chain and off-chain integration, data consistency, and end-to-end transaction flows across blockchain and enterprise systems.
• Design, develop, test, and deploy blockchain applications, APIs, and services, ensuring clean code, secure development practices, and alignment with architecture standards.
• Build and operate systems with CI/CD, infrastructure automation, containerisation, and cloud-native platforms, ensuring resilience, scalability, and production readiness.
• Monitor and optimise production systems using metrics, logs, traces, alerts, and dashboards; manage incidents, perform root-cause analysis, and deliver hot-fixes aligned with SLA, stability, and compliance requirements.

Who you are

• Strong analytical, communication, and stakeholder management skills.
• Bachelor's or Master's degree in Computer Science, Software Engineering, Information Systems, or a related discipline.
• At least 5 years of software engineering experience, including significant backend development experience.
• At least 3 years of hands-on blockchain or distributed ledger technology experience.
• Strong in TypeScript/Node.js, Java, Solidity; experience building APIs, microservices, and secure systems.
• Understanding of digital asset lifecycle (custody, wallets, tokenisation, settlement, reconciliation) and blockchain fundamentals.
• Experience with distributed system design and on-chain/off-chain architectures, including data consistency and integration patterns.
• Familiar with CI/CD, Docker, Kubernetes, cloud platforms, and operating production systems with observability and SLAs.

Preferred Qualifications

• Experience working in a bank, fintech, capital markets firm, payments company, or regulated financial institution.
• Experience working in asset tokenisation, tokenised deposits, stablecoins, CBDCs, purpose-bound money, payments, settlements, custody and related.
• Knowledge of Singapore financial services regulations, technology risk expectations, or MAS-aligned control environments.
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
• Knowledge of smart contract security, formal verification, or audit processes.
• Knowledge of confidential and privacy technologies, e.g., Zero Knowledge Proofs, Verifiable Credentials, Zero Trust Architecture etc.
• Understanding of ISO 20022, payments infrastructure, securities settlement, or treasury operations would be advantageous.

Key Competencies

• Strong engineering discipline and attention to detail.
• Ability to operate effectively in a regulated banking environment.
• Practical understanding of risk, security, compliance, and operational resilience.
• Strong problem-solving skills and ability to simplify complex technical concepts.
• Comfortable working with cross-functional teams including business, legal, compliance, cybersecurity, and infrastructure.
• Ability to balance innovation with production stability and regulatory expectations.
• Strong ownership mindset and ability to deliver independently.

What we offer

• Competitive base salary.
• A suite of holistic, flexible benefits to suit every lifestyle.
• Community initiatives.
• Industry-leading learning and professional development opportunities.
• Equal opportunity.
• Fair employment.
• Selection based on ability and fit with our culture and values.
• Your wellbeing, growth and aspirations are every bit as cared for as the needs of our customers.

As the longest established Singapore bank, formed in 1932 from the merger of three local banks, we have grown from strength to strength to become a regional financial services group. With a deep history in Asia, we offer the most comprehensive coverage across ASEAN and Greater China, complemented with a presence in the leading economies of New York, London and Sydney. We are the second largest financial services group in Southeast Asia by assets with one of the world’s highest credit rating (Aa1 by Moody's and AA- by both Fitch and S&P). We offer private banking services through our wholly-owned subsidiary, Bank of Singapore, which operates on a unique open-architecture product platform to source for the best-in-class products to meet its clients’ goals. Our insurance subsidiary, Great Eastern Holdings, is the oldest and most established life insurance group in Singapore and Malaysia.