Soma Capital Portfolio Jobs

Blockchain Engineer Backend



Software Engineering
Posted on Wednesday, January 3, 2024
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We are on the lookout for an extraordinary Backend Engineer to lead the development of our state-of-the-art blockchain payment network. This role transcends mere coding; it involves architecting a platform that harmoniously unites traditional fiat transactions with the dynamic world of blockchain. Your expertise will be pivotal in creating a system that exemplifies performance, reliability, security, and scalability within a complex, distributed framework.

Key Responsibilities

  • Architect and develop backend components for our blockchain payment platform, ensuring seamless integration and transaction integrity across fiat and blockchain payment rails
  • Expertly handle blockchain interactions using Web3.js, with a deep understanding of Layer-1 (Ethereum) and Layer-2 solutions for enhanced transaction efficiency and scalability
  • Design and maintain a microservices architecture focused on high performance, scalability, and reliability
  • Develop GraphQL APIs for efficient frontend-backend communication
  • Ensure data integrity and implement advanced features like time-series database integration, effective caching, and asynchronous processing through message queues
  • Deeply understand and apply distributed system design, utilizing contemporary technologies and methodologies
  • Implement robust caching mechanisms for platform performance optimization
  • Manage and integrate AWS services to construct a resilient cloud infrastructure
  • Uphold high security standards, including implementing OAuth 2.0 for secure authentication
  • Collaborate with cross-functional teams to foster rapid and agile development cycles


  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field
  • At least 5 years of backend development experience, with a strong emphasis on building scalable and resilient systems
  • Proficiency in blockchain technologies, with a focus on payment systems
  • Demonstrated experience in developing and managing APIs, preferably with an API-first approach
  • Proficient in designing, developing, and maintaining microservices architecture. Experience with containerization (e.g., Docker) and orchestration tools (e.g., Kubernetes) is highly desirable
  • Extensive experience with cloud services, particularly AWS (including Lambda, RDS, ECS/Fargate, etc.), and understanding of cloud-native development practices
  • Proficiency in Node.js and GraphQL. Knowledge of other relevant programming languages and frameworks is a plus
  • Solid grasp of PostgreSQL and experience in managing data in a distributed, microservices environment
  • Familiarity with security protocols and standards, especially OAuth 2.0, and understanding of security best practices in API development and microservices
  • A minimum of 3 years of experience in the fintech sector, particularly in payment processing. Understanding of payment gateway integration and compliance standards (like PCI DSS)
  • In-depth knowledge of distributed systems, data consistency models, and message queue systems (e.g., Kafka, RabbitMQ)
  • Exceptional problem-solving abilities and strong teamwork orientation. Excellent communication skills for effective cross-functional collaboration


In addition to a market competitive compensation, we have a reward philosophy that expand beyond this.

  • Fully remote with office optional. You decide when you would like to work from home and when from the office
  • Flexible timings. You decide your work scheduled
  • Market competitive compensation (in $$)
  • Insane learning and growth