Sr Fullstack Engineer

June 27, 2026

THIS OPENING IS AVAILABLE FOR CANDIDATES IN THE UNITED STATES ONLY. Sonatafy Technology, headquartered in Scottsdale, Arizona, is an award-winning nearshore software development company with a strong reputation. They have a dedicated in-house team of engineers, offering end-to-end software solutions and supporting client development staff augmentation. Catering to companies of all sizes and industries, including some of the world's largest brands, Sonatafy Technology is a trusted provider of nearshore enterprise-level cloud and mobile application software development services. We are seeking a highly skilled and motivated fullstack software engineer to join our customer's engineering team. You will be responsible for designing and developing new application features while maintaining existing technology. You will be working closely with crossfunctional teams, including Product, Client teams, and other Engineering teams, to deliver solutions primarily focused on our customer's systems integrations with customers and partners. Responsibilities: <ul> <li>Design, develop, and maintain new application features while ensuring existing functionality remains robust and well-tested.</li> <li>Write efficient and maintainable code with comprehensive test coverage, collaborating with QA engineers to test features and automate testing.</li> <li>Co-deliver and validate integrated technology solutions with the client and partner technology team members</li> <li>Collaborate within an Agile Scrum team, engaging in sprint planning, daily standups, backlog refinement, and sprint reviews.</li> <li>Develop a deep understanding of our customer's software and participate actively in code reviews and design discussions, providing constructive feedback and suggesting technology and process enhancements.</li> <li>Partner with Product team members, DevOps engineers, and InfoSec professionals to align development efforts with business goals.</li> </ul> Technical Skills: <ul> <li>6+ years of experience in Node.js, React, and TypeScript.</li> <li>6+ years of experience with PostgreSQL or similar relational databases.</li> <li>Proven experience in optimizing performance, scaling applications, and improving database efficiency (e.g., query optimization, indexing strategies, and database performance tuning).</li> <li>Experience implementing and operating caching layers (e.g., Redis).</li> <li>Experience with API development and external system integrations.</li> <li>Experience working in a Cloud Environment, such as AWS, GCP, or Azure.</li> <li>Demonstrated understanding of GraphQL and/or RESTful API design.</li> <li>Hands-on experience with Docker and Kubernetes.</li> <li>Knowledge of event-driven architecture patterns (Kafka or similar).</li> </ul> Nice to Have: <ul> <li>Experience with HL7 messaging and robotic process automation is a plus.</li> <li>Experience in Python.</li> </ul> Why Work with Sonatafy? At Sonatafy, you'll join a community of highly skilled engineers across Latin America supporting innovative U.S.-based teams. You’ll be part of a fast-moving, client-first culture where your code has real-world impact. We offer competitive compensation, a remote-first lifestyle, and career growth opportunities across industries and technologies. Recruitment Scam Notice: Sonatafy recruitment communications will only come from @<a href="http://sonatafy.com/" target="_blank" rel="noopener noreferrer">sonatafy.com</a> email addresses. We do not request fees, sensitive financial information, or conduct hiring solely through online forms without interviews. If you receive a suspicious message, contact us at careers@sonatafy.com.

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