Principal Engineer
Location: Pune-Maharashtra-India
Time Type: Full time
Job Description
Job Description: Principal Full Stack Engineer – OpenBlue
Role Overview
Johnson Controls’ OpenBlue platform is transforming the built environment through smart, connected, AI-driven systems. We are looking for a Principal Full Stack Engineer to play a key technical leadership role in designing and scaling OpenBlue’s next-generation digital products. This role will define architecture and engineering best practices for cloud-native, IoT-enabled, data-intensive, and AI-driven applications used across buildings, campuses, and enterprise ecosystems.
As a Principal Engineer, you will work across multiple product teams, partnering closely with architects, platform teams, and engineering leaders to drive innovation, reliability, and performance across the OpenBlue technology stack.
Key Responsibilities
Platform & Architecture Leadership
- Lead architecture and design of scalable, secure, and resilient solutions across the OpenBlue ecosystem—including IoT data ingestion pipelines, digital twin systems, and smart-building applications.
- Define and guide modernization initiatives: microservices, event-driven architecture, API unification, observability, and data platform integrations.
- Collaborate with Enterprise Architecture to align product design with OpenBlue platform strategy and reference architectures.
Full Stack Engineering Excellence
- Provide hands-on expertise across the entire stack: frontend UIs, backend microservices, cloud-native solutions.
- Influence design and implementation of core capabilities such as identity, tenant management, configuration services, and data interoperability.
IoT, Digital Twin & Data Systems
- Work with teams building digital twins, telemetry processing, device management, and rules engines.
- Shape engineering patterns for device-to-cloud and cloud-to-edge communications.
- Guide integration between OpenBlue cloud services and hardware/controls products.
Mentorship & Cross-Functional Collaboration
- Mentor senior engineers and elevate technical decision-making across squads.
- Partner with Product, UX, Data Science, and DevOps to drive customer-centric outcomes.
Quality, Security & Operational Excellence
- Champion secure coding practices and compliance frameworks.
- Strengthen CI/CD, automation, observability, and incident response maturity.
Required Qualifications
- 12+ years of software engineering experience with full stack expertise.
- Proven Principal/Staff Engineer experience in distributed systems.
- Strong proficiency in React/Angular and Java/.NET/Node.js/Python.
- Expertise in Azure cloud-native architectures.
- Strong knowledge of IoT, messaging, microservices, and data systems.
Preferred Qualifications
- Experience with smart-building technologies, IoT platforms, or industrial systems.
- Knowledge of Azure IoT Hub, Digital Twins, Cosmos DB, Event Hub.
- Experience in telemetry, analytics pipelines, or AI-driven systems.
- Familiarity with multi-tenant SaaS development.
What We Offer
- Opportunity to shape the future of smart buildings.
- High-impact technical leadership role.
- Culture of innovation and continuous learning.
- Competitive compensation and global opportunities.
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