27 Blockchain Engineer jobs in Singapore

We are seeking an experienced leader to spearhead our blockchain engineering efforts. As a key member of our team, you will be responsible for designing and implementing cutting-edge blockchain solutions.

• Lead the design and implementation of blockchain solutions, including L1/L2, rollups, and cross-chain integrations.
• Develop and optimize cryptographic algorithms, including SM2/SM3/SM4, SSL/TLS, and blockchain wallet protocols.
• Mentor junior engineers and guide the development of multi-language SDKs (Node.js, Java, Go) and blockchain system integration.

• 6+ years of software development experience, with a focus on blockchain technology, system architecture, and cryptography.
• Proficient in C/C++, Node.js, Solidity, Java, Go, Rust, Python.
• Extensive experience with Ethereum, FISCO BCOS, and blockchain protocols (L1/L2, rollups).
• Deep understanding of cryptographic algorithms (SM2/SM3/SM4), SSL/TLS, and secure blockchain infrastructure.
• Experience deploying and maintaining blockchain-based applications, with a focus on performance and security.

A challenging role in a dynamic environment, opportunities for growth and professional development, and a competitive compensation package.

Our company is a leading innovator in the field of blockchain technology, with a strong commitment to research and development, and a talented team of professionals dedicated to delivering exceptional results.

About the Role: We are seeking a skilled Full Stack Developer with expertise in integrating AI capabilities to lead the development and scaling of our protocol UI/UX, APIs, vault mechanics, and AI-powered features.

Key Responsibilities:

• We need someone to design and implement front-end components (React, TypeScript) and back-end systems (Python, Go), including vault logic, API endpoints, and integrations with lending and AMM protocols.
• The ideal candidate will architect and deploy AI features such as predictive analytics, risk signal models, and recommender systems to inform vault strategies and user decisions.
• A collaborative mindset is essential for working with UI/UX designers to deliver intuitive, engaging experiences for DeFi users.
• Surety of secure development practices is required for smart contract interactions, vault mechanics, and chain interoperability.
• The developer should build and maintain CI/CD pipelines, automated tests, and DevOps workflows for seamless deployment.
• Maintenance of protocol performance and reliability requires constant monitoring, debugging, and optimization.

Requirements:

• A degree in Computer Science, Engineering, or relevant experience.
• At least 3 years of full-stack development experience with JavaScript/TypeScript (React, Vue) and back-end stacks (Python, Go).
• Familiarity with AI/ML frameworks (TensorFlow, PyTorch, scikit-learn) or AI-augmented development tools.
• A strong understanding of DeFi concepts, including vaults, AMMs, lending protocols, and smart contract integration.
• Experience with cloud infrastructure, containerization (Docker, Kubernetes), and CI/CD pipelines.
• A working knowledge of blockchain networks, Web3 libraries, and security best practices.

Nice to Have:

• Proven experience building intelligent dashboards or ML-backed financial systems.
• Familiarity with AI-assisted development tools or integrating AI agents via protocols like MCP.
• Prior experience shipping production-grade DeFi UIs or smart contract front-ends.
• Knowledge of secure coding practices for financial protocols.

We are seeking a talented professional to fill a crucial role in our organization. This position requires strong skills in Full Stack Golang engineering and experience working with blockchain technologies.

This is an exciting opportunity to work on greenfield crypto projects that directly shape the future of decentralized trading. You will have the chance to collaborate with highly skilled colleagues in a rapidly growing global business and contribute to platform scalability, performance, and user experience.

As a successful candidate, you will need to possess 5+ years of backend engineering experience, ideally covering the full lifecycle from ideation to launch. Strong expertise in Golang and frontend technologies is essential, with exposure to other languages such as JavaScript, Python, or C++ being a plus.

Key Responsibilities:

• • Developing and maintaining complex software systems using Golang
  • Collaborating with cross-functional teams to design and implement new features
  • Ensuring the security and integrity of blockchain-based systems
  • Staying up-to-date with industry trends and emerging technologies

What We Offer:

• • A competitive compensation package with top-tier benefits
  • Ongoing training and development opportunities
  • A dynamic and supportive work environment
  • The chance to work on cutting-edge projects and make a real impact

Principal Blockchain Engineer/Blockchain Architect (Solana)
Join to apply for the
Principal Blockchain Engineer/Blockchain Architect (Solana)
role at
Reap
Principal Blockchain Engineer/Blockchain Architect (Solana)
3 days ago Be among the first 25 applicants
Join to apply for the
Principal Blockchain Engineer/Blockchain Architect (Solana)
role at
Reap
About Reap
Reap is a global financial technology company headquartered in Hong Kong with employees across multiple countries. We enable financial connectivity and access for businesses worldwide by combining traditional finance with stablecoins for efficient money movement.
About Reap
Reap is a global financial technology company headquartered in Hong Kong with employees across multiple countries. We enable financial connectivity and access for businesses worldwide by combining traditional finance with stablecoins for efficient money movement.
Through our stablecoin-powered corporate cards, payments, and expense management tools, we streamline financial operations and help businesses scale. Our APIs enable businesses to integrate stablecoin-enabled finance into their own products and services—from issuing Visa cards to facilitating cross-border payments.
Backed by leading investors including Index Ventures and HashKey Capital, Reap is building the future of borderless, stablecoin-enabled finance.
About The Role
Reap is looking for a Principal Blockchain Engineer/Blockchain Architect to lead the development of cutting-edge on-chain asset management infrastructure at Reap. This is a unique opportunity to build novel governance and asset management mechanisms on Solana, while leveraging Reap's established presence in the financial technology space. You'll be joining a forward-thinking team at the intersection of traditional finance and blockchain technology, working to reshape how organizations secure and manage their digital assets.
What you’ll do
As the technical lead for our on-chain multisig platform, you'll play a key role in defining the future of on-chain asset management on Solana.
Solana Contract Development: Design, implement, and deploy high-performance, production-grade smart contracts on the Solana blockchain, with a focus on multisig infrastructure, transaction execution, and advanced features like time locks, spending limits, and role-based permissions.
Smart Account Architecture: Build and iterate on core on-chain components including proposal systems, voting mechanisms, asset management protocols, and cross-program integration capabilities that enable composability across the Solana ecosystem.
Cross-functional Systems Design: Work closely with product, finance, and ops to translate real-world fund flows into on-chain execution logic. Ensure alignment between protocol behavior and user experience across the stack.
Qualifications
Minimum Requirements:
Minimum of 5 years in software development, with at least 2 years of experience in building smart contracts on Solana with Rust.
Proven experience in building and supporting production Solana programs that have handled sizable funds.
Strong understanding of smart accounts, digital asset management and multi-sig architecture.
Demonstrated ability to design and reason about complex state machines, proposal logic, and secure transaction orchestration.
Highly motivated, self-driven, and passionate about building cutting-edge blockchain protocols.
Peer collaboration and code quality: Maintains a high standard for code quality, reliability, and peer review. Demonstrates strong communication skills, challenges ideas respectfully, and actively contributes to raising the technical bar across the team.
Fluency in English both in spoken and written forms.
Technical Stack
Backend: Rust , Anchor framework, TypeScript/Rust SDK development, Solana CLI tools
Infrastructure: TypeScript, Node.js, CI/CD pipelines, AWS
Web3: Multisig protocols, SPL token standards, asset management systems, Solana DeFi integrations
Preferred Qualifications
Experience with Ethereum smart contract development (Solidity), ERC-4337 account abstraction standards and cross-chain protocol design
AI fluency: You embrace using AI tools to accelerate development and explore ideas, but you apply them with discernment, not as a replacement. You know when to trust outputs and when to go deeper
Security Mindset: Experience applying secure software development practices, threat modeling, and understanding of common smart contract vulnerabilities
Why Join Us
DeFi Natives:
Be at the forefront of financial innovation where traditional finance meets Web3. Work directly with major blockchains including Solana and Ethereum as we continue to expand our multi-chain capabilities.
Global Impact:
Your code will power solutions used by hundreds of businesses internationally, handling significant transaction volumes across multiple blockchains.
Backed by Top Investors:
Join a company supported by renowned investors including Index Ventures and Hashkey Capital.
Global Team:
Collaborate with talented professionals across multiple countries, with flexible hybrid work options that prioritize results over location.
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Seniority level
Seniority level Mid-Senior level
Employment type
Employment type Contract
Job function
Job function Engineering and Information Technology
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About Asimov

Asimov is our open‐source humanoid robotics platform, building every layer—from structural frames and electromechanical assemblies to power electronics, cabling, and embedded control hardware. We aim to democratize advanced robotics by sharing designs, firmware, and ML models with the global community.

What to Expect

Do you want to design and operate the backbone of Menlo Research's distributed platform for intelligent devices—from IoT sensors and edge controllers to high-performance cloud services? Are you passionate about building scalable, fault-tolerant systems that process real-time telemetry, stream analytics, and coordinate fleets of autonomous agents?

At , you'll work with C++, Go, Python, Bazel, Kubernetes, NATS, Kafka, Redis, PostgreSQL, and modern CI/CD pipelines to deliver infrastructure that powers next-generation robotics and AI applications.

What You'll Do

• Design & build large-scale distributed services for telemetry ingestion, event streaming, and command orchestration across edge and cloud environments
• Implement real-time data pipelines using Kafka, NATS, or gRPC streams, ensuring low-latency, high-throughput processing
• Maintain and optimize stateful services (Redis, InfluxDB, Postgres) for consistency, replication, and failover in multi-region deployments
• Collaborate with embedded, controls, and ML teams to define API contracts, message schemas (Protobuf), and service SLAs
• Develop infrastructure-as-code (Terraform, Helm) and CI/CD workflows to automate testing, security scans, and rolling upgrades
• Monitor & troubleshoot production systems with Prometheus, Grafana, Jaeger, and custom observability tooling to meet 99.99% uptime goals
• Champion best practices in reliability engineering, capacity planning, and incident response for distributed platforms

What You'll Bring

• 5+ years building and operating distributed, fault-tolerant systems in production
• Deep understanding of distributed systems concepts: consensus (Raft/Paxos), partition tolerance, consistency models, and backpressure
• Hands-on experience with streaming platforms (Kafka, Pulsar) or message queues (NATS, RabbitMQ)
• Expertise in container orchestration (Kubernetes), service mesh (Istio/Linkerd), and microservices architecture
• Proficiency in systems programming (C++/Go/Python) and strong CS fundamentals (algorithms, data structures, networking)
• Solid background with observability stacks (Prometheus/Grafana, OpenTelemetry, Jaeger/Zipkin)
• Track record of automating infrastructure (Terraform, Ansible) and building reliable CI/CD pipelines
• Excellent communication skills, collaborative mindset, and a bias for pragmatic solutions Join 's Distributed Systems team and help architect the resilient infrastructure that underpins the future of autonomous robotics and AI-driven services.

Why Join Menlo?

You'll be part of a tight-knit team defining the next generation of humanoid robots. With genuine ownership of system architecture and the freedom to innovate, you'll see your designs come to life in real-world deployments. If you thrive in fast-paced, open-collaborative environments, let's build the future of robotics together.

We are seeking a skilled systems engineer to join our team.

Our technology organization is a community of innovators and problem solvers dedicated to reshaping the future of commerce.

Our processing networks operate at an unprecedented scale, capable of handling over 65k secure transactions per second across billions of people and thousands of financial institutions.

As a systems engineer in product reliability engineering, you will maintain and support open source Hadoop, Big Data, Kafka platforms on Cloud ensuring their availability, performance, reliability, and operational efficiency.

Key Responsibilities:

• Design, build, and manage Hadoop and Kafka clusters on Cloud - AWS, GCP, and Azure.
• Optimize open source Apache Hadoop, Big Data, and Kafka clusters for high performance, reliability, and scalability.
• Develop tools and processes to monitor and analyze system performance, identifying potential issues.
• Collaborate with other teams to design and implement solutions improving reliability and efficiency of in-premise Hadoop, Big data, and cloud platforms.

A career as a DevOps Engineer with our organization presents opportunities to design, deploy and maintain scalable microservices architecture.

• Our team is seeking a highly skilled professional with expertise in managing large scale containers using orchestration platforms such as Kubernetes, Tanzu or Docker Swarm.

• Architecture & System Design: Ensure fault-tolerant infrastructure and maximum uptime in production environments.
• Containerization & Orchestration: Build and manage containerized applications using Docker and deploy and orchestrate applications using Kubernetes, Tanzu or Docker Swarm.
• CI/CD & Automation: Configure and maintain CI/CD pipelines using GitLab or Jenkins and develop automation scripts using Python, Bash or PowerShell.
• Messaging & Data Processing: Work with message brokers like RabbitMQ or ActiveMQ and deploy and manage Kafka, Elasticsearch, Zookeeper or Redis.

The ideal candidate will have a solid understanding of Linux-based operating systems, experience with scripting languages like Python, Bash and PowerShell and familiarity with cloud platforms AWS, GCP or Azure.

• Strong experience in microservices architecture and distributed systems.
• Expertise in containerization with Docker and orchestration using Kubernetes, Tanzu or Docker Swarm.
• Proven ability to build and maintain CI/CD pipelines using GitLab or Jenkins.
• Familiarity with big data technologies such as Kafka, Elasticsearch.
• Scripting skills in Python, Bash and PowerShell for automation and server management.
• Solid understanding of networking fundamentals: VLANs, switching, routing.

We are driven by our commitment to delivering quality solutions and creating value for our clients. We seek individuals who embody the values of excellence, integrity, ownership and unity in both their professional and personal lives.

Together, we make the extraordinary happen.

The ideal candidate will play a pivotal role in ensuring seamless system changes at United Overseas Bank Limited, guaranteeing smooth operation and minimizing disruption.

• Change Management: Support the bank's distributed systems change management processes, including review, assessment, and implementation of changes.
• Risk Assessment: Conduct thorough risk assessments to identify potential impacts on upstream and downstream systems.
• Control Processes: Establish and maintain effective control processes to manage system changes, ensure compliance, and drive automation initiatives.
• Automation and Patch Deployment: Drive productivity improvements through automation, recommend process enhancements, and manage operating system patch deployment.

1. Educational Background: Bachelor's degree from a recognized institution.
2. ITIL Methodology: Experienced with ITIL, with emphasis on Change and Deployment Management.
3. Operating System Expertise: Proven experience with multiple operating systems, including AIX, HP-UX, RedHat Enterprise Linux, Solaris, Windows Server, VMware, and XenApp.
4. Systems Applications: Working level experience with various systems applications, including JBoss, WebLogic, Websphere, Connect Direct, MQ, Kafka, OpenShift Container Platform, and Webservers.
5. Patch Management and Automation Tools: Experience with patch management and automation tools like BigFix, Chef, etc.
6. Robotic Process Automation and Security Audit: Experience with Robotic Process Automation and Security Audit assessment on operating system compliance and vulnerability.
7. On-Call Support and Team Collaboration: Provide 24x7 on-call support on a rotating basis and possess strong team collaboration skills.
8. Process Development and Documentation: Strong ability to develop processes, maintain comprehensive documentation, and articulate technical information effectively.
9. Self-Starter and Communication Skills: Self-starter with good communication and interpersonal skills, able to work under minimal supervision.

Senior IT Consultant

• Application Development: Design and build scalable, efficient, and reliable distributed applications using Oracle Tuxedo middleware platform in programming languages like C, C++, and Tuxedo.
• Middleware Management: Configure and manage the Oracle Tuxedo environment, including setting up application servers, managing resources, and optimizing performance for seamless integration with cross-functional teams.
• Documentation and Code Quality: Develop and maintain documentation for applications, including code comments, technical specifications, and system configurations, ensuring adherence to coding standards and software development best practices through code reviews.
• Performance Optimization: Conduct performance tuning and optimization of Oracle Tuxedo applications and stay updated with the latest Oracle Tuxedo platform updates, technologies, and best practices in distributed application development.
• Technical Support: Provide technical support and guidance to other team members and stakeholders, and participate in code reviews to ensure adherence to coding standards and software development best practices.

• Bachelor's Degree: Engineering or a related field with proven experience in developing distributed applications using Oracle Tuxedo middleware platform and strong proficiency in programming languages like C, C++.
• Middleware Expertise: Familiarity with middleware concepts, distributed computing, and service-oriented architecture (SOA), and experience in performance tuning and optimization of Oracle Tuxedo applications.
• Database Knowledge: Knowledge of database systems and SQL, excellent problem-solving and debugging skills, and ability to work independently and manage multiple priorities in a dynamic, deadline-driven environment.
• Collaboration Skills: Collaborate with cross-functional teams, including business analysts, system administrators, and database administrators, to gather requirements, design application architecture, and ensure seamless integration.