Job Description

Job Purpose:
This role is responsible for defining and driving the technical architecture of an enterprise-scale SaaS CRM platform built on Ruby on Rails, MongoDB, and modern cloud-native technologies. As a Tech Lead – Architecture, you will own architectural decisions, establish platform-wide engineering patterns, and hands-on build foundational systems that underpin scalability, reliability, and performance.You will lead the design of distributed backend services, cloud infrastructure, and data systems while remaining deeply embedded in the codebase. This is not a management-only role - you will write production code, resolve the hardest technical challenges, and drive AI-augmented engineering practices across the team.

Job Responsibilities:
Architecture & Technical Strategy:
- Own and evolve the overall backend architecture, including service decomposition, API design, data modelling, and integration patterns
- Define and maintain architectural blueprints, technical roadmaps, and Architecture Decision Records (ADRs)
- Design scalable,



fault-tolerant distributed systems using Ruby on Rails, MongoDB, Redis, and Sidekiq
- Architect event-driven and asynchronous processing pipelines using Sidekiq and Redis to handle high-throughput workloads
- Lead data architecture strategies including MongoDB schema design, sharding, indexing optimization, and data lifecycle management
- Define caching strategies (Redis) at application, query, and infrastructure layers
- Design and enforce API standards (RESTful, versioning, rate limiting, authentication) across all platform services
- Evaluate build-vs-buy decisions and technology adoption with explicit technical and business justification

Hands-On Engineering:
- Write production-grade Ruby on Rails code for core platform services and architectural foundation layers
- Build and maintain shared libraries, internal gems, middleware, and service abstractions
- Conduct performance profiling and optimization using Recent R

📌 Technical Lead Architecture (Hyderabad)
🏢 Cendyn
📍 Hyderabad