As a Principal Software Engineer within Product Engineering, you will provide technical leadership across multiple teams and systems, driving architecture, design standards, and long-term technical strategy. You will work closely with engineering leadership, product management, and cross-functional stakeholders to translate business goals into scalable, resilient, and future-ready platforms. In this role, you remain hands-on while also influencing system design, mentoring senior engineers, setting engineering best practices, and ensuring consistency and quality across distributed, multi-location teams. You are expected to anticipate technical challenges, guide complex technical decisions, and champion modern technologies, architectural patterns, and design principles.

Responsibilities
Own and evolve the architecture of large-scale, distributed, enterprise-grade SaaS platforms.
Drive technical vision, design principles, and architectural standards across teams.
Lead the design and implementation of complex, high-impact systems and services.
Partner with product, platform, and engineering leadership to align technical solutions with business objectives.
Review and approve critical technical designs; provide guidance on trade-offs,
scalability, performance, and reliability.
Remain hands-on by contributing to core components, prototypes, and high-risk or high-complexity areas.
Establish and enforce best practices for code quality, testing, security, and operational excellence.
Mentor and guide senior and staff engineers, raising the overall technical bar of the organization.
Promote high standards for availability, scalability, resilience, and delivery
predictability.
Influence Agile execution, release planning, and cross-team dependencies in multiregion environments.

Requirements
10 15+ years of professional software engineering experience, with a strong track record of technical leadership.
Expert-level programming skills in Java, Python,



Go, or Rust.
Proven experience designing and building large-scale, distributed systems and
microservices-based architectures.
Deep understanding of API design and communication protocols: REST, WebSockets, gRPC, and MCP.
Strong hands-on experience with relational and document databases such as Postgres and MongoDB, including data modeling and performance tuning.
Excellent grasp of data structures, algorithms, concurrency, and system design.
Experience architecting and integrating LLM-powered systems, including RAG
pipelines and vector search at scale.
Hands-on experience with agentic frameworks such as LangChain, LangGraph, or crewAI, and designing multi-agent systems.
Experience leading and influencing teams across multiple regions and time zones.
Strong analytical thinking and ability to make sound technical decisions under
ambiguity.

Positive to Have
Experience with distributed data and streaming systems such as Kafka, Redis, and ClickHouse.
Strong background in Linux-based production environments and cloud-native
deployments.
Deep knowledge of multiple database paradigms: SQL, NoSQL, time-series, graph, and vector databases.
Experience with AI/ML platform design, including MLOps / LLMOps for large-scale production systems.
Experience defining and implementing Service Level Objectives (SLOs), SLAs, and Service Level Management (SLM) for AI-driven services.
Hands-on experience with LLM observability, including tracing, evaluation, monitoring, and safety/guardrails.
Experience with LLM fine-tuning techniques such as LoRA, QLoRA, instruction tuning, or full-parameter tuning.
Proven ability to evaluate emerging technologies and drive their adoption where they provide clear business value.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Principal Software Engineer (Java/Go with AI) (Tamil Nadu)
🏢 Uniphore Software Systems
📍 Tamil Nadu