Senior Backend Developer

**Job Title:** Senior Backend Developer **Location:** Bengaluru, India **About ITCart Private Limited (iTCart):** **ITCart** Private Limited isn’t just a company - it’s a global movement redefining how industries think, operate, and thrive in the **age of Artificial Intelligence.** **Headquartered in Bengaluru, India’s Silicon Valley,** and spanning across innovation hubs in the **USA, UK, KSA, UAE, and LATAM**, **ITCart** stands at the forefront of **AI-powered digital transformation.** We don’t follow trends; we create them. With a relentless focus on AI-driven disruption, **ITCart’s Patent-pending** **AIX Framework** serves as the backbone of a new era of efficiency, innovation, and scalability. This proprietary technology isn’t just a tool - it’s a paradigm shift. From automating complex workflows to unlocking hyper-personalized insights with **Generative AI,** our solutions empower enterprises to leapfrog from legacy systems to future-ready ecosystems. **Position Overview** We are looking for a Senior Backend Developer with deep experience in building, optimizing, and maintaining scalable backend systems for multi-tenant SaaS platforms. This is a hands-on, full-time role focused on system logic, API development, database optimization, security compliance, and backend integrations. The ideal candidate is an all-rounder with exposure to DevOps, cloud deployment, and API architecture, but has a core strength in backend engineering and platform scalability. **Key Responsibilities** · Develop and maintain modular backend services and RESTful/GraphQL APIs · Write clean, secure, and well-documented code using Node.js, Python, or equivalent · Manage PostgreSQL/MongoDB databases with a focus on data modeling, indexing, and query performance · Optimize server performance, caching (Redis), rate-limiting, and background job queues (Celery, RabbitMQ) · Integrate authentication (OAuth2, JWT), SSO (Google/Microsoft), and RBAC-based access controls · Collaborate with frontend, DevOps, and product teams to ship secure, scalable, and testable features · Participate in architectural discussions and code reviews; own end-to-end delivery of backend modules · Write unit, integration, and performance tests to ensure code stability · Follow CI/CD practices and maintain environments through GitHub Actions or Jenkins pipelines · Contribute to developer documentation and maintain API standards across projects **Key Performance Indicators (KPIs)** · Sprint Delivery Accuracy ≥ 90% · API Response Time < 250ms · Production Error Rate < 1% · Code Review Score ≥ 4.5/5 · Unit Test Coverage ≥ 85% · Backend Downtime ≤ 0.1% Monthly **Key Result Indicators (KRIs)** · Backend features deployed per quarter · Critical bug fixes and production support turnaround timeSuccessful API handoffs to frontend/mobile teams · Uptime and performance benchmarks met · Peer feedback and mentorship impact **Mandatory Technical Qualifications:** · 5–8 years of experience in backend development for cloud-based platforms · Proficiency in Node.js, Python, or Go with experience building scalable microservices · Strong knowledge of SQL/NoSQL (PostgreSQL, MongoDB), Redis, and ORM frameworks · API architecture (REST/GraphQL), Swagger/OpenAPI standards · Familiarity with Git workflows, CI/CD, Docker, Kubernetes basics · Strong understanding of authentication (OAuth2/JWT), session handling, and secure coding practices **Preferred Skills:** · AWS experience (EC2, RDS, CloudWatch) · Exposure to pub/sub and message queues (Kafka, RabbitMQ) · Experience with ElasticSearch, Prometheus, and log monitoring · Knowledge of container orchestration and DevOps automation tools · Soft Skills & Culture Fit · Strong analytical and problem-solving ability · Team-oriented with a passion for mentorship · Willing to experiment, learn, and adapt to fast-paced environments · Comfortable working across time zones with distributed teams