Senior Backend Engineer

Senior Backend Engineer (Node.js / NestJS) – On-Site, KarachiTiming: 12:00 PM to 9:00 PM (Mon–Fri) Location: Karachi – On-siteWe are hiring an experienced Senior Backend Engineer with deep expertise in JavaScript, TypeScript, Node.js, and NestJS. The ideal candidate will be responsible for designing and developing scalable backend architectures and production-grade APIs used by global platforms.What You’ll DoArchitect, implement, and maintain complex backend systemsWrite clean, testable, and maintainable codeBuild secure, scalable REST and/or GraphQL APIsCollaborate closely with Frontend, DevOps, QA, and Product teamsEnsure optimized performance, monitoring, and debugging of backend servicesIntegrate with databases and third-party servicesParticipate in code reviews, sprint planning, and CI/CD workflowsRequired SkillsStrong proficiency in Node.js and NestJSExpertise in JavaScript & TypeScriptDeep understanding of backend architecture, microservices, and API standardsHands-on experience with PostgreSQL or MongoDBKnowledge of AWS or other cloud environmentsExperience with CI/CD pipelines, testing frameworks, Docker, GitUnderstanding of security, performance optimization, and scalable system designBonus PointsKnowledge of Redis, message queues, WebSocketsExperience with serverless environmentsFamiliarity with system monitoring, logging tools, and container orchestrationWho We’re Looking For4+ years of backend development experienceStrong problem-solving mindsetAttention to detail and passion for high-quality codeAbility to work independently and collaboratively in a fast-paced environmentPerksMarket competitive salaryFriendly and growth-focused environmentOpportunity to work on international products and AI-powered systems