Technical Leader Engineering/ Kolkata (Kolkata Metropolitan Area)

Experience: 1015 Years Location: Kolkata, India About Practice By Numbers Practice by Numbers (PbN) is a fast-growing SaaS platform helping healthcare organizations leverage data, automation, patient engagement, and operational intelligence to improve business performance and patient outcomes. We build highly scalable cloud-native products serving thousands of customers across North America. We are looking for an exceptional Technical Leader who can drive architecture, technical excellence, and platform scalability while remaining deeply involved in solving complex engineering challenges. Role Overview As a Technical Leader, you will be responsible for driving the technical direction of critical products and platform services. You will lead architectural decisions, influence engineering standards, solve complex technical problems, and guide teams in building scalable, reliable, and high-performance systems. This is a highly technical role requiring strong expertise in distributed systems, cloud architecture, software design, performance optimization, and modern engineering practices. The ideal candidate is passionate about building great software, enjoys working on challenging technical problems, and leads through technical depth and execution excellence. Key Responsibilities Architecture & - System Design: - Design and evolve highly scalable, resilient, and secure SaaS platforms. - Define architecture standards, design principles, and engineering best practices. - Lead technical design reviews and architecture discussions across teams. - Drive modernization initiatives and platform evolution. - Design distributed systems capable of handling large-scale workloads and future growth. - Ensure systems are built for performance, observability, reliability, and maintainability. Technical Leadership - Act as the technical authority for key business-critical systems and services. - Drive engineering excellence through high standards for design, code quality, testing, and operational readiness. - Review complex designs and critical code paths. - Provide technical guidance and mentorship to engineers and technical leads. - Identify technical risks early and develop pragmatic solutions. - Influence technology decisions across multiple teams and products. Software Engineering - Contribute hands-on to architecture, design, and implementation of critical platform components. - Build scalable APIs, backend services, and cloud-native applications. - Improve system performance, scalability, reliability, and security. - Drive adoption of reusable frameworks, shared services, and engineering accelerators. - Lead troubleshooting and resolution of complex production issues. Cloud & - Platform Engineering - Architect and optimize solutions on AWS. - Drive containerization, orchestration, and infrastructure automation initiatives. - Implement scalable deployment strategies and resilient cloud architectures. - Improve observability through monitoring, logging, alerting, and distributed tracing. - Partner with DevOps teams to continuously improve deployment reliability and platform stability. AI-Enabled Engineering - Leverage modern AI capabilities to improve engineering productivity, software quality, and development efficiency. - Drive adoption of AI-assisted development practices across teams. - Evaluate emerging technologies and identify practical opportunities to accelerate engineering outcomes. - Promote effective use of AI while maintaining strong engineering standards, security, and code quality. Required Qualifications - Bachelor's or Master's degree in Computer Science or related discipline. - 1015 years of software engineering experience building enterprise-grade applications. - Proven experience architecting and delivering large-scale SaaS products. - Solid experience working in high-growth product engineering environments. - Deep expertise in software architecture, distributed systems, and cloud-native development. - Track record of solving complex scalability, performance, and reliability challenges. Technical Expertise Backend Technologies - Python - Django / Django REST Framework - Node.js - REST APIs - Microservices Architecture - Event-Driven Systems - Asynchronous Processing Frontend Technologies - React.js - TypeScript - Modern JavaScript - Frontend Architecture Patterns - State Management Frameworks Data & - Storage - PostgreSQL - Redis - Elasticsearch / OpenSearch - Database Design - Query Optimization - Caching Strategies - Data Modeling Cloud & - Infrastructure - AWS - ECS / EKS - Lambda - API Gateway - S3 - RDS - CloudWatch - IAM - Networking Fundamentals DevOps & - Reliability - Docker - Kubernetes - CI/CD Pipelines - Infrastructure as Code - Monitoring & - Observability - Distributed Tracing - Performance Engineering - Incident Management Software Design - Object-Oriented .