Senior Backend Developer (TypeScript)

Fusang is seeking a highly skilled and motivated Senior Backend Developer (TypeScript) to join our team. This role involves designing, developing, and deploying cutting-edge backend systems and APIs using modern TypeScript and Node.js ecosystem technologies. You will be a foundational member of a high-energy team, contributing to the entire development lifecycle and pushing boundaries with innovative server-side solutions. Key Responsibilities: Backend System Development : Design, develop, and deploy resilient and high-performance backend services and APIs using TypeScript as the primary language Server Architecture : Design and implement scalable backend architecture using Node.js frameworks such as Express, Fastify, or other high-performance TypeScript solutions Data Management & Integration : Design and implement efficient database schemas, ensure seamless data integration, and optimize database performance to support application needs API Design & Development : Create well-designed RESTful APIs and GraphQL endpoints with proper documentation, versioning, and security practices Security & Authentication : Implement robust security measures including authentication, authorization, data encryption, and protection against common vulnerabilities End-to-End Development Lifecycle : Contribute to all phases of the development lifecycle, from ideation and prototyping to development, testing, deployment, and post-release support Automation & Tooling : Develop scripts and automation tools to streamline backend development processes and deployment workflows Technical Innovation : Actively explore and integrate new tools, techniques, and innovative ideas into backend projects Performance & Monitoring : Monitor and optimize backend performance, implement caching strategies, and ensure applications can handle high traffic loads Job Qualifications and Skill Sets: The candidate must possess at least a Diploma or bachelor's degree in information technology or computer science with at least 3 years' experience in hands-on backend coding Solid experience with TypeScript , demonstrating strong understanding of type systems and their application in building robust server-side applications Extensive experience in Node.js development , including frameworks such as Express, Fastify Strong proficiency with SQL databases (PostgreSQL, MySQL) and experience with database design, optimization, and migration strategies ORM Experience : Familiarity with Object-Relational Mapping tools such as Prisma. API Development : Proven experience in designing and implementing RESTful APIs and/or GraphQL endpoints with proper testing Authentication & Security : Experience with authentication systems (JWT, OAuth), security best practices, and data protection measures Cloud Services : Familiarity with AWS cloud platform and its backend services DevOps Understanding : Knowledge of containerization (Docker), CI/CD pipelines, and deployment strategies Version Control : Proficiency with Git or Bitbucket workflows and collaborative development practices Testing & Monitoring : Experience with backend testing tools and application monitoring systems Genuine enthusiasm for learning new technologies and tackling new challenges Able to communicate and present ideas and concepts in English Familiarity with AI-assisted coding tools like Claude, Cursor or GitHub Copilot is an advantage