16 Blockchain Development jobs in Singapore

About SwiftBridge

. SwiftBridge is building a next-generation middleware infrastructure connecting the global SWIFT banking network (MT103, GPI) with blockchain technology

. Our mission is to enable banks and financial institutions to tokenize, trace, and automate cross-border transactions securely and at scale

Key Responsibilities

. Design, develop, and optimize smart contracts (ERC20, ERC721, ERC1155) for financial transactions

. Implement tokenization frameworks for SWIFT MT103 message integration into blockchain transactions

. Collaborate with backend/API engineers to connect traditional banking systems with blockchain infrastructure

. Ensure robustness, scalability, and high security in all smart contract deployments

. Conduct code reviews, audits, and testing for compliance with industry standards

. Stay ahead of DeFi, zk-SNARKs, and Layer 2 rollup technologies, and bring innovative solutions to production

Qualifications

. 4+ years of experience in blockchain development (Ethereum, EVM-compatible chains)

. Strong knowledge of Solidity, Hardhat, Truffle, or Foundry

. Experience with token standards (ERC20, ERC721, ERC1155) and DeFi protocols

. Understanding of cryptography, smart contract security, and common vulnerabilities

. Familiarity with SWIFT/financial systems is a plus but not required

. Ability to work in a fast-paced startup environment with autonomy and accountability

What We Offer

. Opportunity to build a disruptive infrastructure bridging banking and blockchain

. Remote-first culture with global team collaboration

. Competitive package (salary + equity options)

. Exposure to institutional investors and top-tier banking/fintech partners

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)
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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 Binance
Binance is the world’s leading blockchain ecosystem and cryptocurrency exchange by trading volume, trusted by over
250 million users in 100+ countries . With a wide range of services including trading, education, payments, DeFi, and Web3 products, Binance is shaping the future of decentralized finance and financial freedom.
Role Overview
We are looking for an experienced
Java Backend Engineer
to join our blockchain infrastructure team. This role involves developing and maintaining
wallet systems and public chain integrations
that support Binance’s world-class trading ecosystem.
Key Responsibilities
Design, develop, and maintain scalable
blockchain wallet systems .
Contribute to
public blockchain integrations , including research and implementation.
Conduct
performance tuning , address
production incidents , and perform
system refactoring .
Collaborate cross-functionally with product and engineering teams.
Requirements
Bachelor’s degree or higher in
Computer Science ,
Software Engineering , or related field.
6+ years
of backend software development experience.
Proficiency with the following technologies:
Java ,
Spring Boot ,
Spring Cloud ,
MyBatis
Kafka ,
Redis ,
MySQL ,
Tomcat
IDEs and tools like
IntelliJ IDEA/Eclipse ,
Git ,
Maven
Strong understanding of
JVM internals ,
I/O , and
multithreading .
Experience working under pressure and delivering in fast-paced environments.
Detail-oriented with excellent cross-team
communication skills .
Familiarity with
blockchain protocols
(Bitcoin, Ethereum, Hyperledger, EOS, etc.).
English/Mandarin proficiency
is required for coordination with global stakeholders.
Preferred Qualifications
Experience working on
AI-related projects .
Background in building
high-concurrency ,
high-availability , and
high-performance systems .
Why Work at Binance?
Define the future of crypto and blockchain
Work in a flat, global, innovation-driven team
Tackle unique engineering challenges at scale
Competitive compensation and company perks
Flexible remote work (dependent on team and function)
Continuous growth and career advancement opportunities
Chief Information Security Officer - United Arab Emirates
VIP & Institutional Marketing Lead - United Arab Emirates
Growth Operations Manager (Indonesia)-Jakarta Metropolitan
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Overview:

At Crypto.com , our Blockchain Innovation Team is at the heart of driving innovative advancements within the Blockchain Team. As a dynamic, multidisciplinary team scattered across various locations, we pride ourselves on our flexibility and our commitment to product excellence. Our projects span a wide range, from developing cutting-edge websites and backend applications to crafting APIs, engaging Discord bots, and interactive Web3 and GamiFi demos. By joining us, you'll be part of a forward-thinking team that's constantly exploring new horizons in blockchain technology and beyond.

We're seeking a Full Stack Engineer with a deep understanding of Node.js , React, and Web3 technologies to become an integral part of our Blockchain Innovation Team. In this role, you'll contribute to a variety of projects, ensuring both innovation and quality. Whether it's developing sophisticated web applications, integrating blockchain functionalities, or working on interactive demos, your work will have a significant impact on our mission to accelerate the world's transition to cryptocurrency.

• Design, develop, and maintain diverse projects ranging from web applications to backend services, APIs, Discord bots, and Unity demos.
• Implement Web3 functionalities, smart contract interactions, and wallet integrations using technologies such as Web3.js , ethers.js, and MetaMask.
• Work closely with team members across different locations, adapting to the dynamic needs of each project while striving for excellence.
• Engage with the latest blockchain technologies, keeping the team at the forefront of the industry's evolution.
• Contribute to all phases of the development lifecycle, ensuring high performance, responsiveness, and a stellar user experience across all our products and platforms.
• Work with TypeScript and Redux for predictable state management across the applications.
• (Optional) Leverage knowledge in Unity, Golang, and Rust to contribute to innovative projects that require cross-platform and high-performance computing capabilities.

• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
• Proven track record as a Full Stack Engineer with a strong portfolio showcasing your work in Node.js and React.
• Solid experience with Web3 technologies, including Web3.js, ethers.js , MetaMask, and wallet integration.
• Proficiency in TypeScript and Redux, with a strong understanding of modern JavaScript (ES6+), HTML5, and CSS3.
• Familiarity with code versioning tools, such as Git, and front-end build pipelines and tools.
• Experience with RESTful services and APIs.
• Understanding of both SQL and NoSQL database technologies.
• Excellent problem-solving skills, with the ability to work independently or as part of a team.
• Strong communication skills, capable of explaining complex concepts to non-technical stakeholders.
• Knowledge of Unity, Golang, and Rust is highly regarded but not essential.
• Fluency in English communication and experience in a global environment.

• Competitive salary
• Medical insurance package with extended coverage to dependents
• Attractive annual leave entitlement including: birthday, work anniversary
• Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-up
• Aspire career alternatives through us. Our internal mobility program can offer employees a diverse scope.
• Work Perks: crypto.com visa card provided upon joining

About Crypto.com :

Founded in 2016, Crypto.com serves more than 80 million customers and is the world's fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet. Built on a foundation of security, privacy, and compliance, Crypto.com is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.

Learn more at .

Crypto.com is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way. Crypto.com values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.

Personal data provided by applicants will be used for recruitment purposes only.

Overview:
At Crypto.com, our Blockchain Innovation Team is at the heart of driving innovative advancements within the Blockchain Team. As a dynamic, multidisciplinary team scattered across various locations, we pride ourselves on our flexibility and our commitment to product excellence. Our projects span a wide range, from developing cutting-edge websites and backend applications to crafting APIs, engaging Discord bots, and interactive Web3 and GamiFi demos. By joining us, you'll be part of a forward-thinking team that's constantly exploring new horizons in blockchain technology and beyond.
We're seeking a Full Stack Engineer with a deep understanding of Node.js, React, and Web3 technologies to become an integral part of our Blockchain Innovation Team. In this role, you'll contribute to a variety of projects, ensuring both innovation and quality. Whether it's developing sophisticated web applications, integrating blockchain functionalities, or working on interactive demos, your work will have a significant impact on our mission to accelerate the world's transition to cryptocurrency.
Role Responsibilities
Design, develop, and maintain diverse projects ranging from web applications to backend services, APIs, Discord bots, and Unity demos.
Implement Web3 functionalities, smart contract interactions, and wallet integrations using technologies such as Web3.js, ethers.js, and MetaMask.
Work closely with team members across different locations, adapting to the dynamic needs of each project while striving for excellence.
Engage with the latest blockchain technologies, keeping the team at the forefront of the industry's evolution.
Contribute to all phases of the development lifecycle, ensuring high performance, responsiveness, and a stellar user experience across all our products and platforms.
Work with TypeScript and Redux for predictable state management across the applications.
(Optional) Leverage knowledge in Unity, Golang, and Rust to contribute to innovative projects that require cross-platform and high-performance computing capabilities.
Required Skills and Qualifications
Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
Proven track record as a Full Stack Engineer with a strong portfolio showcasing your
work in Node.js and React.
Solid experience with Web3 technologies, including Web3.js, ethers.js, MetaMask, and wallet integration.
Proficiency in TypeScript and Redux, with a strong understanding of modern JavaScript (ES6+), HTML5, and CSS3.
Familiarity with code versioning tools, such as Git, and front-end build pipelines and tools.
Experience with RESTful services and APIs.
Understanding of both SQL and NoSQL database technologies.
Excellent problem-solving skills, with the ability to work independently or as part of a team.
Strong communication skills, capable of explaining complex concepts to non-technical stakeholders.
Knowledge of Unity, Golang, and Rust is highly regarded but not essential.
Fluency in English communication and experience in a global environment.
Benefits
Competitive salary
Medical insurance package with extended coverage to dependents
Attractive annual leave entitlement including: birthday, work anniversary
Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-up
Aspire career alternatives through us. Our internal mobility program can offer employees a diverse scope.
Work Perks: crypto.com visa card provided upon joining
About Crypto.com:
Founded in 2016, Crypto.com serves more than 80 million customers and is the world's fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet. Built on a foundation of security, privacy, and compliance, Crypto.com is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.
Learn more at
Crypto.com is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way. Crypto.com values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.
Personal data provided by applicants will be used for recruitment purposes only.
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We are a team to design, develop, maintain, and improve software for various ventures projects, i.e., projects that are adjacent to our core businesses and are bootstrapped fast with a lean team. You will be actively involved in the design of various components behind scalable applications, from frontend UI to backend infrastructure.
Responsibilities:
Develop and execute test plans and test cases with a strong emphasis on using code to solve technical challenges and shorten the test cycle through automation.
Estimate test efforts, analyze and communicate test results and participate in day to day QA Activities.
Develop/Maintain and improve the test frameworks, tools and technologies used by the organization to maintain a high quality bar.
Work with Development, Test and Product Management to design and implement test and validation strategies.
Execute and manage test cases and results, report on test and defect metrics.
Create, execute and troubleshoot automated test scenarios across our systems.
Contribute to robust, scalable, and high quality test automation solutions for functional, regression and performance testing
Contribute to the building of a CI in Github and ongoing process improvement activities.
Identify required improvements in the test and development processes; make contributions to our automation tools that address specific needs.
Maintain a high quality bar in a complex and constantly evolving workspace.
Requirements:
Experience in Blockchain QA
Experience with App and API testing is a plus and automated test techniques with a strong focus on quality throughout the entire software development cycle.
Experience in working with different frameworks like TestNG, Appium, Selenium, Cucumber etc.
Strong in at least one programming language like Python(MUST), Javascript(preferred), Rust, Golang, Java
Understanding of software design principles, patterns, algorithms, data structures and multi-threading concepts.
Proven ability to translate functional requirements and use cases into working test plans and test cases.
Strong customer focus, excellent problem solving and analytical skills. Strong verbal and written communication skills.
Some knowledge of continuous integration practices, preferably using Github
Experience working in an agile environment preferred. Ability to work across Windows, Linux is a plus.
Passion for improving code quality through interaction with development team.
Demonstrated skill in using coding standards and being an active participant in code reviews.
Prefer to have:
Blockchain knowledge
Knowledge with pytest
Life @ Crypto.com
Empowered to think big. Try new opportunities while working with a talented, ambitious and supportive team.
Transformational and proactive working environment. Empower employees to find thoughtful and innovative solutions.
Growth from within. We help to develop new skill-sets that would impact the shaping of your personal and professional growth.
Work Culture. Our colleagues are some of the best in the industry; we are all here to help and support one another.
One cohesive team. Engage stakeholders to achieve our ultimate goal - Cryptocurrency in every wallet.
Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-up
Aspire career alternatives through us - our internal mobility program offers employees a new scope.
Work Perks: crypto.com visa card provided upon joining
Are you ready to kickstart your future with us?
Benefits
Competitive salary
Attractive annual leave entitlement including: birthday, work anniversary
Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-up
Aspire career alternatives through us. Our internal mobility program can offer employees a diverse scope.
Work Perks: crypto.com visa card provided upon joining
Our Crypto.com benefits packages vary depending on region requirements, you can learn more from our talent acquisition team.
About Crypto.com:
Founded in 2016, Crypto.com serves more than 80 million customers and is the world's fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet. Built on a foundation of security, privacy, and compliance, Crypto.com is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.
Learn more at
Crypto.com is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way. Crypto.com values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.
Personal data provided by applicants will be used for recruitment purposes only.
Please note that only shortlisted candidates will be contacted.
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