API Solutions Engineer | remote, B2B

About the company

We are looking for an API Solutions Engineer to join our growing team. In this role, you will focus on developing and customizing APIs for clients, ensuring they are efficient, secure, and perfectly integrated with internal and external systems. Youll work with various cross-functional teams, interact with clients, and continuously improve our API solutions, enabling seamless interactions with the world of Web3, DeFi, and blockchain.

About job

The API Solutions Engineer role focuses on developing and customizing APIs to meet client needs, ensuring efficiency, security, and seamless integration with internal and external systems. You will write code for creating APIs, automate testing and integration processes, and work closely with cross-functional teams to deliver tailored solutions. Additionally, youll be responsible for providing technical guidance and support to clients, helping them effectively utilize the APIs.

This position offers a unique opportunity to work with cutting-edge technologies in blockchain, Web3, and DeFi. Youll have the chance to make a significant impact by designing scalable, secure solutions while collaborating with various teams and staying updated on industry trends. If youre passionate about API development and problem-solving in a dynamic environment, this role is ideal for you.

Responsibilities

• API Development and Customization: Write code to create and customize API solutions for clients, ensuring optimal efficiency and security.
• API Testing and Automation: Develop scripts to automate testing or integration processes for API solutions.
• Integration with External Platforms: Implement code to integrate APIs with other systems and external applications, ensuring continuous and efficient data flow.
• API Testing: Write unit and integration tests to verify the functionality, correctness, and performance of the APIs.

Requirements

• Experience with API Development: Solid experience with API development (RESTful, GraphQL, etc.) and integration.
• Proficiency in Programming Languages: Strong command of languages such as Python, JavaScript, or Go .
• Blockchain and DeFi Knowledge: Strong understanding of blockchain technologies, including Ethereum , Polygon , Arbitrum , Optimism , and zkSync , along with cryptographic protocols and security practices.
• API Architecture: Deep knowledge of API architecture, including REST conventions, token/auth flows, error handling, and integration best practices.

Benefits

• Competitive Salary & Stock Options: Budget of $100,000 USD (or Europe equivalent) + stock options (4-year vesting).
• Innovative Startup Environment: Work in a fast-paced, dynamic startup environment focused on blockchain, DeFi, and Web3.
• Flexible Work Arrangements: Opportunity to work remotely or from our offices, with the flexibility to choose between B2B or working contract (CIM) contracts.
• Learning Opportunities: Access to the latest technologies and continuous professional development.