Backend Developer

About The Role We are looking for a talented Backend Developer to join our engineering team at Mobiles360. You will be responsible for designing, building, and maintaining our server-side infrastructure, APIs, and database systems. This is a high-impact role where you will have the opportunity to solve challenging technical problems at scale and directly influence the architecture of a platform that millions of users rely on every day. Responsibilities Design, develop, and maintain scalable and reliable RESTful APIs and microservices using Node.js and TypeScript Architect and optimize database schemas and queries for MongoDB and other data stores Collaborate with frontend developers to define API contracts and seamless integration strategies Implement authentication, authorization, and security best practices across all services Monitor, troubleshoot, and optimize system performance, reliability, and scalability under load Write clean, well-documented, and thoroughly testable code following agreed-upon standards Participate actively in code reviews, architectural discussions, and technical decision-making Set up and maintain CI/CD pipelines and deployment automation workflows Ensure data integrity, backup strategies, and disaster recovery plans are in place Work in an Agile environment and contribute to sprint planning, stand-ups, and retrospectives Requirements 4+ years of professional experience in backend development Strong proficiency in Node.js and TypeScript Solid experience with MongoDB and Mongoose ORM Proven track record designing and building RESTful APIs at scale Familiarity with cloud platforms such as AWS, GCP, or Azure Understanding of microservices architecture and distributed systems principles Experience with containerization technologies (Docker; Kubernetes is a plus) Proficiency with Git and collaborative development workflows Strong knowledge of security best practices including OAuth 2.0, JWT, and TLS Excellent analytical, debugging, and problem-solving abilities Nice to Have Experience with Next.js API routes and serverless functions Knowledge of message queuing systems (RabbitMQ, Kafka, or similar) Experience with Redis or other in-memory caching solutions Familiarity with infrastructure-as-code tools such as Terraform or Pulumi Background in performance tuning, query optimization, and database indexing strategies What We Offer Competitive salary of $100,000 – $145,000 per year, based on experience Comprehensive health, dental, and vision insurance from day one Flexible working hours and a hybrid work model (3 days in-office, 2 remote) 20 days of paid time off plus all federal holidays $2,000 annual learning and professional development budget Home office setup stipend of $1,000 Regular team events, off-sites, and company retreats A collaborative, inclusive, and growth-oriented work environment