Saravana Kumar
NodeJS Developer
15+ years exp
Management: 3-5 years (1-5 people)
PHP
JavaScript
Node JS
TypeScript
Python
SQL
Active 17 days ago
Invite to interview
Download CVCV
Overview
Technical skills
Timeline
Roles
Overview
PHP backend engineer (Junior) focused on WordPress plugin work and simple REST endpoints for user and product flows. The strongest proven skill is implementing WordPress REST endpoints and user authentication/registration flows as shown in btechsaravana2788/wprestapi/apiphone.php. There is little evidence of migration/history-driven schema design, automated tests, structured observability, or production-grade security hardening in public code.
Phone
Technical skills
Languages
6
PHP
JavaScript
Node JS
TypeScript
Python
SQL
DevOps
4
Rest API
WebSockets
Amazon S3
Amazon EC2
Other
30
Express
Drupal
React.js
LoopBack
Swagger
Next.js
AWS
Axios
Tailwind CSS
PostgreSQL
Django
FastAPI
Laravel
WordPress
WooCommerce
ElasticSearch
MySQL
Redis
AWS Lambda
CodeIgniter
GitHub
GitHub Actions
Socket.IO
Apache Kafka
Docker
Git
Vite
CI/CD
Jenkins
GraphQL
Timeline
Full Stack Developer (Node.js / Next.js)
•
Middle
Zentact Systems
•
Full-Time
Architected and delivered the STC Bahrain insurance portal with a Next.js front end and Node.js microservices using Express.js. Built documented REST APIs using OpenAPI/Swagger with JWT-based authentication for policy management and client integrations. Integrated a benefit payment gateway and implemented secure transaction flows. Deployed production services on AWS using EC2 and S3 and added real-time notifications with automated background jobs.
Express
Next.js
Swagger
Amazon EC2
Amazon S3
Senior Software Engineer / Team Lead
•
Lead
Fuelbuddy
•
Full-Time
Led development of a real-time fuel delivery ecosystem with REST backend services in Node.js/Express.js integrating mobile data with a custom CRM. Implemented LoopBack 4 model-driven APIs for consistent validation and faster feature delivery. Built high-concurrency background processors for live order and logistics updates, and coordinated data synchronization using REST and WebSockets. Managed a team of 6 with code reviews, coding standards, and agile sprint planning.
Express
LoopBack
Rest API
WebSockets
Senior Developer / Team Leader
•
Lead
Dreamguys Technologies
•
Full-Time
Developed the Doccure healthcare platform using Node.js/Express.js and WebSockets for real-time consultation and secure chat. Built additional transit-related backend integrations delivering live passenger tracking through RESTful APIs. Created wallet and multi-role template features using React.js with Node.js microservices and maintained endpoint documentation using Swagger/OpenAPI. Focused on reliable service design and test coverage for production readiness.
Express
React.js
WebSockets
Swagger
Technical roles
•
Middle
Sun Software Solutions
•
Full-Time
Handled full-stack PHP work, including custom CRM/ERP builds and Drupal CMS implementation. Implemented Express.js API integrations and supported the transition of legacy systems to Node.js/JavaScript architectures. Worked on production application features with an API integration focus.
PHP
Drupal
Express
Technical roles
•
Middle
Empulse Global
•
Full-Time
Contributed to full-stack PHP development and custom CRM/ERP implementations. Built and maintained Drupal CMS features and performed Express.js API integrations. Participated in modernizing legacy systems into Node.js/JavaScript-based services.
PHP
Drupal
Express
Technical roles
•
Middle
bMuse India
•
Full-Time
Worked on full-stack development focused on PHP and enterprise CRM/ERP features. Implemented Drupal CMS components and integrated backend services via Express.js APIs. Supported migration efforts from legacy systems to modern Node.js/JavaScript solutions.
PHP
Drupal
Express
Technical roles
•
Middle
Corner Stone
•
Full-Time
Delivered technical work across full-stack PHP development and custom CRM/ERP solutions with Drupal CMS. Supported Express.js API integrations and helped transition legacy systems toward Node.js/JavaScript. Contributed to API-centric enterprise application development.
PHP
Drupal
Express
Technical roles
•
Middle
Itrosys
•
Full-Time
Worked on full-stack PHP development and custom CRM/ERP builds, including Drupal CMS implementations. Performed Express.js API integrations and participated in migration of legacy systems toward modern Node.js/JavaScript stacks. Contributed to delivery of enterprise web applications and API-based features.
PHP
Drupal
Express
Anna University
Bachelor's Degree •
Information Technology
Junior Backend Developer
Confidence: High API Engineer
PHP backend engineer (Junior) focused on WordPress plugin work and simple REST endpoints for user and product flows. The strongest proven skill is implementing WordPress REST endpoints and user authentication/registration flows as shown in btechsaravana2788/wprestapi/apiphone.php. There is little evidence of migration/history-driven schema design, automated tests, structured observability, or production-grade security hardening in public code.
API Design
3/10
How well APIs are designed
Basic REST endpoints and a simple hand-rolled router exist, but there is no versioning, no idempotency keys, no pagination strategy, and error contract handling is inconsistent.
Data Layer & Database
2/10
Working with databases
Data access is direct and simple using $wpdb and mysqli/PDO, with raw SQL and no migration history, no explicit transaction boundaries, and several concatenated SQL statements that risk injection.
Evidence
btechsaravana2788/restapi/db.php: direct mysqli connection code
btechsaravana2788/wprestapi/apiphone.php: multiple $wpdb->get_results and raw SQL concatenations (eg getproductsDropdown, otp checks)
btechsaravana2788/wpusersimport/importwpusers/import.php: direct inserts into wp_users and many add_user_meta calls
Scalability & Performance
1/10
Handling load and speed
No caching, no queue-based decoupling, no rate limiting or connection pooling configuration and no measured performance artifacts; external calls (SMS) are synchronous without robust retry/backoff.
Evidence
System Architecture
2/10
Overall system structure
Monolithic file layout and basic plugin structure with small modular pieces, but no reasoned service decomposition, config/secret management, or environment-aware setup.
Security & Auth
2/10
Protecting data and access
Some input sanitization is used in places, but there are numerous unsafe SQL concatenations, hardcoded external credentials, weak password handling in import script, and permissive permission callbacks on REST routes.
Evidence
btechsaravana2788/wprestapi/apiphone.php: uses sanitize_user/sanitize_email but also raw SQL concatenation in getproductsDropdown and OTP queries
btechsaravana2788/wprestapi/apiphone.php: hardcoded SMS gateway credentials in curl POST payload
btechsaravana2788/wpusersimport/importwpusers/import.php: user passwords created with md5($pwd) in the import flow
Reliability & Observability
2/10
Stability and monitoring
Basic HTTP status handling and WP_REST_Response usage exist, and some $wpdb->last_error checks appear, but there is no structured logging, metrics, retry/backoff patterns, timeouts, or graceful shutdown considerations.
Expertise
PHP• Junior
Microservices & API Architecture• Junior
Industries
Commerce• Junior
Technologies
Python
PHP• since 2011 • Middle
Rest API• since 2021
GraphQL
Laravel
WordPress
FastAPI
WooCommerce
Django
Apache Kafka
CodeIgniter
Drupal• since 2011
Recommendations
- Replace raw SQL concatenation with prepared statements or $wpdb->prepare and remove MD5 password handling; add input validation and correct nonce checks for all write flows.
- Introduce a migration/history tool and maintain explicit schema evolution rather than direct ad-hoc table changes; add transactional updates for multi-step DB changes where needed.
- Add basic observability: structured logs, correlation ids, and simple metrics (request counts/errors); centralize error/exception handling and consistent HTTP error codes.
- Harden external integrations by moving credentials into environment/config, add timeouts and retry with exponential backoff for outbound calls, and restrict REST endpoints with proper permission callbacks.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
Intern Frontend Developer
Confidence: Medium UI Engineer
Frontend React UI developer (early-career, junior level) focused on building small single-page interfaces with off-the-shelf UI libraries. The strongest proven skill is building a basic React shopping cart UI, evidenced by btechsaravana2788/mobbom/src/App.js and the project package.json that sets up a Create React App environment. There is little evidence of advanced state management, accessibility engineering, measured performance work, automated tests beyond default setup, or backend integrations in the human-authored code.
UI Component Architecture
2/10
How interface parts are built
Minimal component architecture; single App.js present with no evidence of a reusable component library or advanced composition patterns.
Evidence
Responsive & Cross-browser
2/10
Works on all screens and browsers
Responsive layout is implied by use of standard CSS and imports, but responsiveness relies on bundled/boilerplate CSS rather than custom responsive engineering.
Performance Optimization
1/10
Speed of the interface
No measured or documented performance work; only a web-vitals dependency indicates basic awareness.
Accessibility & Semantics
1/10
Usable for everyone
No explicit a11y tooling, ARIA patterns or keyboard/focus management found in human-authored files.
State Management & Data Flow
1/10
Managing data in the app
No non-trivial state management or server-state discipline; no evidence of optimistic updates, cancellation or state machines.
Evidence
UX & Visual Polish
2/10
Look and feel quality
Visual polish relies heavily on vendor/boilerplate assets; the human-authored app code suggests UI-focused work but not advanced UX patterns like undo, complex skeleton states or perceived-performance work.
Expertise
React• Intern
Frontend Architecture & Build Tools• Intern
Technologies
JavaScript• since 2024
TypeScript
Node JS
Tailwind CSS
Next.js• since 2025
Express• since 2011
Socket.IO
GitHub Actions
WebSockets• since 2020
LoopBack• since 2021
CI/CD
Jenkins
Git
AWS
Docker
React.js• since 2020
Vite
Axios
AWS Lambda
Amazon EC2• since 2025
GitHub
Amazon S3• since 2025
Recommendations
- Assign to implement or iterate on UI components and small React pages, such as product listing, cart flows and checkout UIs.
- Use for converting design templates into React components and wiring basic client-side state and API calls using Axios.
- Have them maintain or improve build tooling and dev experience tasks like Vite configuration, Tailwind integration and simple bundling improvements under guidance.
- Avoid assigning large cross-cutting, high-complexity features that require advanced async state handling, offline-first logic, or strict accessibility guarantees until more proven experience is shown.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories: