| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Kast | Colombo, Sri Lanka | $87k - $150k | |||
Kast | Colombo, Sri Lanka | $87k - $150k | |||
Kast | Singapore, Singapore | $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 | |||
Blockus | New York, NY, United States | $81k - $112k | |||
Bcbgroup | Remote | $59k - $80k | |||
Bitmex | Remote | $106k - $114k | |||
Crossmint | Miami, FL, United States | $200k - $230k | |||
Fireblocks | New York, NY, United States | $177k - $230k | |||
Improbable | United Kingdom | $57k - $93k | |||
Improbable | London, United Kingdom | $90k - $106k | |||
Crossmint | New York, NY, United States | $87k - $115k | |||
MLabs | New York, NY, United States | $100k - $114k | |||
RugsDotFun | Remote | $120k - $200k | |||
Performance AI | Chicago, IL, United States | $91k - $100k |
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
Our Hiring Process
First Technical Interview
Second Technical Interview
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What does a full stack developer in web3 do?
A full stack web3 developer is a developer who has expertise in the full stack of technologies that are used to build web3 applications
These applications use the decentralized, distributed nature of the web3 network to provide users with a secure and decentralized way of accessing and interacting with online services and applications. The responsibilities of a full stack web3 developer will vary depending on the specific project and the needs of the team they are working with
In general, though, a full stack web3 developer will be responsible for: designing and building the front-end and back-end of web3 applications, as well as implementing and maintaining the underlying blockchain infrastructure
This will often involve working with a variety of different technologies and programming languages, such as Solidity for smart contract development, JavaScript and HTML for front-end development, and various blockchain protocols and frameworks. Additionally, a full stack web3 developer may also be responsible for working with the web3 community to help drive adoption and integration of web3 technologies, as well as staying up-to-date on the latest developments in the field and contributing to the broader web3 ecosystem.