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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Kast | Colombo, Sri Lanka | $87k - $150k | |||
Travoom | Santa Monica, CA, United States | $36k - $54k | |||
Kast | Colombo, Sri Lanka | $87k - $150k | |||
Kast | Colombo, Sri Lanka | $87k - $150k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Kast | Singapore, Singapore | $87k - $150k | |||
Kast | Colombo, Sri Lanka | $87k - $150k | |||
Kast | Colombo, Sri Lanka | $87k - $150k | |||
Blockus | New York, NY, United States | $81k - $112k | |||
Blockus | New York, NY, United States | $81k - $112k | |||
Bcbgroup | Remote | $59k - $80k | |||
Layerzerolabs | Remote | $86k - $110k | |||
Parity | Remote | $45k - $72k | |||
Bloxstaking | Remote | $82k - $112k | |||
CoinTracker | United States | $165k - $195k | |||
Blockdaemon | Remote | $150k - $180k |
The Software Engineer - Fullstack plays a key role in building and scaling KAST. This is a high-ownership position where you’ll take responsibility for meaningful work from day one, collaborate closely with cross-functional teams, and help turn ambitious goals into real-world outcomes.
Your mission is to move fast and raise the bar. You’ll operate in a dynamic, high-growth environment, navigate ambiguity with confidence, and contribute to systems, products, or processes that scale with the company. Quality matters, speed matters, and ownership is non-negotiable.
This role is for builders, people who take initiative, think in systems, and care deeply about doing great work. If you’re excited about working at the intersection of technology, execution, and impact, you’ll feel right at home at KAST.
- Application Deadline
- June 24, 2026
- Department
- Engineering
- Employment Type
- Full Time
- Location
- Colombo
- Workplace type
- Hybrid
Responsibilities
- Design and develop back-end components for services using technologies such as Go, Node.js, or Python.
- Build and maintain RESTful APIs, microservices, and integrations with third-party services.
- Write performant, maintainable code following best practices in software design.
- Participate actively in code reviews, providing and receiving constructive feedback.
- Troubleshoot and resolve technical issues independently.
- Deploy, scale, and manage applications using cloud platforms like AWS or Google Cloud (GCP).
- Write and maintain unit and integration tests to ensure application reliability.
- Collaborate with product and design teams to translate requirements into technical implementations.
- Maintain technical documentation for developed features and services.
- Identify and implement improvements to existing backend services and processes.
Qualifications & Skills
- 2–3 years of experience in full-stack or backend-focused development.
- Proficient in at least one backend technology such as Go, Python, or Java.
- Experience with modern web technologies and frameworks such as React.js or Next.js is a plus.
- Solid understanding of RESTful APIs, microservices architecture, and third-party integrations.
- Experience with relational (e.g., MySQL, PostgreSQL) and/or NoSQL (e.g., MongoDB) databases.
- Working experience with cloud platforms like AWS or GCP.
- Experience with Git and modern version control workflows.
- Familiarity with CI/CD pipelines and automated testing.
- Understanding of application security fundamentals.
- Experience with Agile methodologies, including Scrum or Kanban.
Bonus Skills:
- Experience with blockchain development or Web3 technologies.
- Familiarity with serverless architecture (e.g., AWS Lambda, GCP Cloud Functions).
- Exposure to GraphQL APIs.
- Experience with containerization and orchestration (Docker, Kubernetes).
- AI-first development practices.
About KAST
KAST is redefining stablecoin banking for global citizens, crypto professionals, Web3-native businesses, and high-inflation markets hungry for USD-backed banking. Backed by top-tier global investors and led by the ex-APAC CEO of Circle, our leadership team spans Circle, Airwallex, Revolut, Wise, Grab, Zoom, AWS, and leading OTC desks. We’ve scaled from zero to nearly a million users at ridiculous speed.
Apply Now
Our Hiring Process
Stage 1:
First Technical Interview
Stage 2:
Second Technical Interview
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What does a Node.js developer in web3 do?
A Node developer in web3 is a software developer who specializes in creating and maintaining applications built on the Node.js platform and using web3 technology
Web3 is a term that refers to the collection of technologies and protocols that make up the decentralized web, also known as the Internet of value
This includes blockchain technology, peer-to-peer networking, and other technologies that enable users to exchange value and data in a decentralized manner
As a Node developer in web3, some of the responsibilities might include:
- Developing and maintaining web3 applications using Node.js
- Writing and testing code for smart contracts on blockchain platforms
- Implementing security measures to protect the integrity and confidentiality of data on the decentralized web
- Collaborating with other team members to design and implement web3 solutions
- Troubleshooting and debugging issues with web3 applications
- Staying up-to-date with the latest developments and best practices in the web3 ecosystem.