Demo

Principal Software Engineer

Larsen & Toubro
Southlake, TX Full Time
POSTED ON 11/20/2025 CLOSED ON 12/20/2025

What are the responsibilities and job description for the Principal Software Engineer position at Larsen & Toubro?

Objective:

As a Principal Engineer, you will work in our Product & Platform Development team. The role is pivotal in driving the architecture, design, and development of next-generation digital energy software products across Renewable Power Plant Controllers (PPC), Hybrid Energy Management Systems (HEMS), SCADA/DERMS, Grid Analytics, and OT-AI/ML platforms. Reporting to the Head of Product & Platform Development, the Principal Engineer will serve as a technical thought leader, mentor, and hands-on contributor to ensure our products meet the highest standards of scalability, reliability, and performance.


Essential Responsibilities:


Technical Leadership & Architecture

  • Lead design and development of scalable, secure, and modular software platforms and products in the energy/utility automation domain.
  • Drive system architecture decisions ensuring interoperability, high availability, and real-time performance.
  • Partner with Product Management and Solution Engineering teams to translate business and functional requirements into robust technical solutions.


Team Management & Mentorship

  • Mentor senior engineers, guiding best practices in coding, testing, DevOps, and secure development lifecycle.
  • Collaborate with cross-functional teams (QA/Validation, Solution Engineering, Product Management) to deliver high-quality releases.
  • Act as a technical escalation point for complex software product engineering challenges.


Domain Expertise & Innovation

  • Guide the team in developing solutions for Energy & Utilities applications such as SCADA, Substation Automation, Microgrids, and BESS.
  • Stay abreast of emerging technologies in edge computing, IoT, and real-time data processing.
  • Evaluate and adopt modern software frameworks, cloud-edge orchestration, containerization (Docker/K8s), and virtualization technologies.
  • Collaborate with industry OEMs (e.g., NVIDIA, Dell, Intel, GE etc.) and research partners to infuse cutting-edge AI/ML and grid-modernization technologies.


Technical Expertise:

Required:

  • 10 years of hands-on experience in full-stack development using Java, Spring Boot, Angular, REST APIs, SQL.
  • Strong understanding of distributed systems, microservices, messaging frameworks (Kafka, MQTT), and protocols (IEC 61850, Modbus, OPC UA).
  • Experience with DevOps, CI/CD pipelines, and cloud platforms (AWS/Azure).
  • Proficiency in system design, performance optimization, and security best practices.
  • Familiarity with Agile methodologies, version control (Git), and project tracking tools (JIRA).

Desired:

  • Exposure to Energy & Utilities domain applications.
  • Experience with Python, Unix/Shell scripting, and real-time data streaming.
  • Knowledge of cybersecurity in OT/IT systems.


Minimum Qualification:

Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or related discipline with 12 years of progressive experience in software development, architecture, and team leadership.


Experience:

Proven expertise in designing and delivering real-time, mission-critical software products in the power systems, grid automation, or renewable energy domain. Strong hands-on development skills in languages such as C/C , Java, Python, or Go, with cloud-native and microservices experience. Solid understanding of containerization, virtualization, and DevOps practices (CI/CD, GitOps, automated testing).


Key Value Drivers:

  • Strategic Thinking
  • Technical Depth
  • Execution Excellence
  • Team Empowerment
  • Innovation Mindset


Behavioral Attributes:

  • Strong communication and interpersonal skills.
  • Collaborative leadership style with a focus on mentoring and team development.
  • Proactive problem-solving and decision-making capabilities.
  • Ability to manage multiple priorities and deliver On-Time

Salary : $110,000 - $220,000

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