Senior Backend Developer

CapIntel is hiring a Senior Backend Developer to take ownership of the systems that power our core product. You’ll play a critical role in enhancing the performance, reliability, and scalability of our platform, while contributing to features that drive meaningful experiences for thousands of users. This role is ideal for someone who thrives in a collaborative, cross-functional environment, enjoys building APIs that solve complex problems, and brings a product-minded approach to backend engineering. You will lead the design and development of scalable backend services using Node.js, TypeScript/JavaScript, and NoSQL databases like MongoDB. Architect and optimize RESTful API integrations that support enterprise-level scale, performance, and security. Collaborate with frontend engineers to ensure seamless API consumption and user-facing feature delivery. Own the deployment, monitoring, and reliability of backend services on AWS, with a focus on performance, observability, and cost-effectiveness. Contribute to and uphold code quality standards through code reviews, documentation, and mentoring of intermediate developers. Write robust unit and integration tests, ensuring backend stability across evolving product requirements. Work cross-functionally with product managers, designers, and fellow developers to translate requirements into scalable backend solutions.