Senior Full Stack Engineer

Position Overview

Kaleido is the leading enterprise-grade Web3 platform for blockchain and digital assets, offering full-stack infrastructure that includes access to major protocols, 500+ pre-built services, APIs, and more. As one of the fastest growing SaaS companies in the blockchain space, Kaleido is transforming critical business processes with advanced NFT marketplaces, digital asset platforms, blockchain services, and consortiums. We are seeking a passionate Senior Full Stack Engineer to play a key role in building innovative enterprise blockchain solutions with an emphasis on SaaS, DevOps, and cloud services (AWS/Azure).

Key Responsibilities

• Collaborate with design, engineering, and product teams to deliver high-quality, user-centric software.
• Lead the technical direction and development of new features and offerings.
• Write clean, scalable, and maintainable code using modern technologies such as React, GraphQL, and Node.js.
• Stay ahead of emerging technologies and guide technical decision-making.
• Develop low-latency, highly responsive microservices in a fast-paced, Agile environment.
• Mentor junior engineers through code reviews and hands-on guidance.
• Opportunity to dive into advanced blockchain technologies (experience in blockchain is a plus, but training is provided).

Required Qualifications

• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field.
• 6+ years of industry experience building and maintaining production-grade software.
• Expertise in modern JavaScript frameworks (React, Vue.js) and back-end technologies like Node.js and Express.
• AWS or Azure certifications (or equivalent knowledge) and experience with cloud infrastructure.
• Deep experience with DevOps in a global environment.
• Proven experience building applications with a focus on performance, scalability, and UX.
• Familiarity with blockchain technologies is a plus (training provided if not).

Preferred Qualifications

• Strong sense of ownership—pride in building robust, scalable systems.
• A highly collaborative attitude with excellent communication and interpersonal skills.
• Ability to thrive in a fast-paced, dynamic environment with evolving requirements.
• Enthusiasm for continual learning, process improvement, and innovation.
• Fluency in test automation and continuous integration best practices.