Principal - Backend Engineer
uEngage
Date: 2 weeks ago
City: Panchkula, Haryana
Contract type: Full time
Tech Stack: PHP, Node.js, MySQL, MongoDB
Reports To: Chief Technology Officer, CTO
Job Description (JD)
As a Principal Backend Engineer, you will be responsible for architecting and guiding the development of robust, scalable, and secure backend systems. You’ll play a strategic role in technical decision-making, mentor engineering teams, work closely with product and client-facing stakeholders, and drive adoption of modern technologies including AI/ML where relevant.
Key Responsibilities
Backend Architecture & Development
Reports To: Chief Technology Officer, CTO
Job Description (JD)
As a Principal Backend Engineer, you will be responsible for architecting and guiding the development of robust, scalable, and secure backend systems. You’ll play a strategic role in technical decision-making, mentor engineering teams, work closely with product and client-facing stakeholders, and drive adoption of modern technologies including AI/ML where relevant.
Key Responsibilities
Backend Architecture & Development
- Own and evolve backend architecture across PHP (CodeIgniter/Laravel), Node.js services.
- Design and review scalable systems using microservices or modular monoliths.
- Manage integration across relational (MySQL) and non-relational (MongoDB) databases with optimal indexing, performance, and data modeling.
- Lead design reviews, code quality checks, and establish backend development standards.
- Guide mid/senior engineers on best practices, CI/CD pipelines, and testing frameworks.
- Make critical decisions on refactoring legacy systems and modernizing platforms.
- Act as a technical point of contact for clients for backend architecture and integrations.
- Translate client/product needs into technical execution plans and communicate trade-offs.
- Present PoCs or explain complex backend workflows to non-technical stakeholders.
- Identify potential areas in backend or client systems to leverage AI (e.g., personalization, recommendations, fraud detection, data cleaning).
- Collaborate with data teams to design backend APIs or cron jobs that interact with AI models.
- Stay updated with practical AI APIs, tools (e.g., OpenAI, Langchain), and their integration points.
- Perform regular audits on security, API rate-limiting, and role-based access.
- Optimize performance using caching, query optimization, job queues, etc.
- Plan for horizontal/vertical scaling on cloud infrastructure (AWS, GCP, etc.).
- You have 8+ years of backend experience with PHP and/or Node.js and are fluent in database design.
- You've led system design, code reviews, and have mentored other engineers.
- You can explain technical trade-offs to clients and help them make informed decisions.
- You're proactive in identifying scaling bottlenecks and improving system resilience.
- Bonus: You’ve experimented with AI APIs, understand their practical applications, and are excited about integrating them smartly.
- Work on high-impact systems used by thousands of users.
- Collaborate with cross-functional teams across product, design, data, and more.
- Freedom to architect, experiment, and innovate without red tape.
- Competitive salary, flexible work culture, and a collaborative environment.
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