11+ Years Full-Stack Node.js & Python Engineer

Pan Number : BKSPJ****R

Linkedin URL: https://www.linkedin.com/in/leela-naveen-b7477795/

Leela Naveen J

************@*****.*** +91-830******* / 916*******

Telangana, India Lead Engineer Node.js Full Stack Developer Python Full Stack Developer Node JS, PYTHON, PHP & JavaScript Expert 11+ Years Experience

PROFESSIONAL SUMMARY

- 11+ years of experience as a Full Stack Developer delivering scalable web applications across domains.

- Proficient in Front end Technologies REACT, Angular, NEXT JS, Vue JS, and Backed Technologies NEST JS, NODE JS, Vue JS, Python, PHP, Laravel, CodeIgniter, ZF2/ZF3, MySQL, MongoDB, JavaScript, and jQuery.

- Strong hands-on experience with REST API development, OAuth/JWT, and integrating third-party services like Stripe, PayPal, Docu Sign, and Ever Sign.

- Solid exposure to cloud environments like AWS, GCP, Firebase, and deployment tools like Terraform, FTP, Plesk, and Git.

- Built production-ready apps using Angular, React(18+), Nest JS(10+), Next JS(15+), Vue JS(v2,v3), Tailwind CSS, Flutter (basic).

- Adopt at following Agile methodologies and Test Driven Development (TDD).

- Passionate about clean code, reusable components, performance, and scalable architecture.

TECHNICAL SKILLS

- Languages: JAVA(core), JAVA Spring Boot( basic ), PYTHON, GO language, PHP, JavaScript, HTML5, CSS3

- Databases: MySQL, MongoDB, PostgreSQL, DynamoDB, Oracle

- PHP Frameworks: Laravel, CodeIgniter-4, ZF2/ZF3, Cake PHP, Django, symphony, Cake PHP

- JS Frameworks: Node JS, Nest JS, Next JS, React JS, Angular JS, Vue JS, Express JS

- Mobile APP: Flutter, IONIC

- CMS: WordPress, Moodle, Joomla

- Tools: Git, Git-Desktop, GitHub, Git Bash, VS Code, Notepad++, WinSCP, Putty

- Cloud/Hosting: Azure(VM), AWS (EC2, S3, Lambda, SQS, SNS, VPC, IAM, Elastic cache(Reddis), Load Balancer, CDN, DynamoDB, RDS, Cloud Watch), GCP( App Engine, IAM, Cloud Run, GCP Bucket, RDS, Cache), Firebase, Plesk, GoDaddy

- API: Rest API, Graph QL, SOAP

- Deployemenets: CI/CD, Docker, Git Hub Actions

- Integrations: Stripe, PayPal, Docu-Sign, Ever-Sign, Razor pay, AdMob APIs

- AI Tools/ IDE: (Windsurf, OpenAI, Rocket new(REACT), Copilot, Cursor AI( Sonet, Opus, GPT), Antigravity( Sonet, Opus, GPT))

-Automation Tools: Play-write, PHP Unit test

WORK EXPERIENCE

Yalavarthi Software Solutions —Lead Engineer

Jan 2015 – Present

- Led multiple projects from concept to deployment, managing teams and client communication.

- Delivered 15+ scalable web applications from concept to production

- Improved application performance by 30–45% using query optimization and caching

- Integrated secure payment gateways handling high-volume transactions

- Mentored junior developers and enforced clean code practices

PROJECT HIGHLIGHTS

XDS Spark – Electronic Arts ( 2021 )

Tech Stack: NestJS(11), Next.js(16), Firebase, GCP (App Engine, Cloud Run, VPC, IAM), PostgreSQL, Stripe, Firebase Authentication, Data-table Customization, REACT JS, NODE JS

Role : Lead Engineer

XDS Spark is a smart external-development marketplace designed to help studios find trusted and verified external partners quickly. It enables buyers to scale their teams by discovering high-quality service providers, while helping vendors showcase their capabilities to global clients. Spark connects the right people to move projects forward efficiently, offering a centralized platform for collaboration, evaluation, and partnership building. It’s built to simplify how studios source talent and how service providers grow their business.

Implemented Firebase Authentication for secure sign-in, session management, and identity verification.

Deployed backend services using Cloud Run and App Engine with CI/CD pipelines for automated builds and deployments.

Utilized GCP VPC Network for private communication between microservices and secure data handling.

Configured IAM Roles to ensure least-privilege access control for developers and service accounts.

Integrated Stripe Payments for seamless checkout, subscriptions, and transaction tracking.

Used Cloud Monitoring & Logging (Cloud Watch) to track API performance and detect anomalies in real time.

Enabled image uploads via GCP Storage and implemented advanced admin analytics for users and payments.

Focused on high availability, data consistency, and system security across all GCP-managed services.

RTO Vehicle Information ( https://rtovehicleinformation.com) – Company Product

Tech Stack: PHP 7.3-8.2, NEXT JS 16.1.1(Frontend and Backend), NODE JS 22, Nest JS(11), Dynamo DB, MYSQL 8.4, API, REST API, AWS ( Lambda Functions, SNS, SQS)

Role : Lead Engineer

The RTO Vehicle Information application is a public-facing platform used by around 20,000 users daily. It allows users to check vehicle details using registration numbers, view current petrol and diesel prices, and stay updated with the latest car and bike news. The system is optimized for high traffic, fast response times, and reliable data delivery.

Developed and maintained a high-traffic RTO vehicle information platform with 20K+ daily users.

Implemented vehicle number lookup and real-time fuel price display.

Integrated automotive news for increased user engagement.

Optimized backend performance for scalability and fast response times.

Poster maker, Pixel Lab – Company Product

Tech Stack: Node JS(22), Nest JS(11), NEXT JS(15), Mongo DB, REST API, E2E S3 Services, Tensor Doc, Python API

Role : Lead Engineer

Built a complete backend system for a Poster Maker application that allows users to create, customize, and download posters dynamically. The backend, built using Node.js (Nest Js) and MongoDB, manages templates, text layers, image assets, user–generated designs, and project versions. Implemented APIs for uploading media, saving poster designs, retrieving template categories, and exporting final output. The frontend (React + Vite) communicates with these APIs to render live previews and real-time design updates. Added secure user authentication, role-based access for admins to manage templates, and optimized image processing using Sharp/Canvas. Deployed the backend with environment-based configuration, optimized queries, caching, and fast API responses for large design files.

Voice to Voice translation – Company product

Tech Stack: Node JS(22), Twilio, Open AI

Built a real-time voice-to-voice translation system using Node.js and Twilio Voice APIs, enabling two callers to communicate in different languages seamlessly. The application captures live voice audio from Twilio using Media Streams, converts speech to text, translates it using an AI translation engine (OpenAI/Google), and converts the translated text back into natural speech. The translated audio is streamed back to Twilio and played to the caller instantly, creating a smooth, real-time multilingual conversation experience. The system supports bi-directional translation, multiple languages, and can be integrated with call centers, customer support workflows, and automated bots.

XDS Connect(WEB, APP), XDS Adapt – Electronic Arts ( 2015 )

Tech Stack: ZF3, MYSQL, Security, IONIC, Angular8, OAuth, Calendar Events, Facebook Chat, I-Cal, I Cloud, Firebase, Ck-editor, Apache, AWS EC2, RDS, Cron Jobs, S3, CDN, PHP 8.2

Role : Lead Engineer

Connects Buyers & Service Providers: Enables game developers and publishers (buyers) to discover, connect with, and schedule meetings with external service providers (sellers) before and during the summit.

Schedule & Calendar Features: Provides tools to plan your personal agenda, schedule one-on-one or group meetings, and manage time slots — including sync options with external calendars (like Google or Outlook).

Communication Tools: Offers built-in communication capabilities — such as in-platform messages or chat — to discuss opportunities, clarify requirements, or negotiate before a face-to-face meeting.

XDI (External Development Intelligence) ( Internal Portal and External Portal ) ( 2015 )

Tech Stack: ZF3(Laminas), PHP 8.2, MySQL 8, OKTA, OIDC, Oauth 2.0, LDAP, Microsoft OFFICE 365, Mail Gun, SSO, Google Maps, Azure Active Directory, REST API, Apache, AWS EC2, RDS, Cron Jobs, S3, CDN

Partner Verification & Approval

Review submitted partner company details

Validate legal, financial, and compliance information

Security Assessment (XRAY)

Manage security risk assessments

Track security questionnaires, risk scores, and audit status

Ensure vendors meet EA security standards

Portfolio Review

Evaluate partner portfolios (games, art, animation, services)

Review uploaded media (images, documents, videos)

Administration Panel

User & role management

Permission control across internal teams

Configuration of workflows and approval stages

Governance & Compliance

Audit trails for approvals

Version tracking of partner submissions,

Secure document handling

XDS Registration ( 2019 )

Tech Stack: PHP 8.2, CodeIgnitor4, MYSQL, Stripe Integration, Webhook, Promocodes, Token Mechanism.

Role : Lead Engineer

XDS Connect Registration Admin is a pre-event user onboarding and administration system used to manage attendee registrations for the XDS (External Development Summit) ecosystem.

This module ensures that only verified and properly categorized users gain access to the XDS Connect networking platform before the event.

App Stats – Company Product

Tech Stack: Python FAST API, Django, Data table, Pagination, Mongo DB, Cron Job, Azure VM, ACR, PHP 8.2, Codeignitor-4, AWS ( Lambda Functions, SNS, SQS), RABBIT MQ

Role : Sr Software Engineer

To reliably manage daily user activity statuses, ensure accurate backend state transitions, and present up-to-date lists to users with high performance and scalability.

It’s a daily-use application built with Python where the backend manages user statuses and displays dynamic lists. We used Django for core business logic and admin management, and Fast API for high-performance APIs to serve frequently accessed status data efficiently.

Users perform daily actions in the application

Backend updates status based on business rules

Users view updated status lists (e.g., pending, completed, in-progress)

Insurance Rater

Tech Stack: Angular-13, CodeIgniter4, MySQL8, JWT, PDF Generation, REST API, Laravel 9, Docusign, TCPDF, PHP 7.3

- The Insurance Rater is a web application for the US insurance market that allows users to compare insurance plans, calculate premiums in real time, and generate policy documents. It includes a configurable rating engine for final price calculation, automated PDF generation, and integrated e-signing to complete the policy lifecycle digitally.

-Complex premium calculation rules

-State-based regulatory differences

-Accuracy in pricing and rounding

-Secure document generation and signing

-High reliability requirements

HomeCooks (On-Demand Cooking & Food Service Platform)

Tech Stack: PHP 7.4, Laravel-8, REST APIs, MYSQL, PayPal, Webhook, Password Auth, Eloquent ORM, Active Record Pattern, Reddis cache

- HomeCooks is an on-demand cooking platform built with Laravel that connects customers with cooks. Users can book cooks either for food delivery or on-site cooking by providing a location. The system supports multiple user roles, REST APIs, an admin module for operations, and secure payments through Stripe

Developed a multi-role on-demand cooking platform using Laravel and REST APIs.

Implemented secure Stripe payment gateway for booking transactions.

Designed booking workflows supporting delivery and on-site cooking services.

Built an admin module for user, booking, and payment management.

EDUCATION

- M.Tech (VLSI) – JNTU Kakinada, 2015

PERSONAL DETAILS

- Location: Hyderabad, India.

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