Sonal Jain

Full Stack Web Developer Masters in Computer Applications

PHP NodeJS JavaScript Micro-services K8 Cloud REST MySQL LINUX Grafana Cary, NC, USA

+1-919-***-****

Email ID: ad1t2p@r.postjobfree.com

LinkedIn Profile: www.linkedin.com/in/sonal-jain-49470a10 Skills

Cloud Native - Kubernetes, Micro-service architecture, Oracle Cloud Infrastructure (OCI), DevOps, Grafana, Prometheus, Canary deployment, Blue-green deployment Backend / Scripting Languages / Framework - PHP, NodeJS, REST, Python, Bash, RAML, YAML, JSON, PHPUnit

Frontend Languages - JavaScript, React, jQuery, HTML, CSS DBMS and Platform - MySQL, OpenStack, Bare-metal, Virtualization, Containerization, LINUX, Visual Studio

Protocols - SAML, SOAP, LDAP, HTTP 1.1/2

Networking - TCP/IP Routing, DNS

Security - TLS, mTLS

Testing - Automated Test Suites (ATS), A/B testing, Shift left testing Content Management and Tools - Jira, Confluence, SharePoint, Clearcase, SVN, Postman, Curl Methodologies - Agile, Waterfall

Certificates and Award

Oracle Cloud Infrastructure 2023 Certified Foundations Associate (Oracle Cloud Certified).

CS50’s Introduction to Database with SQL - Awarded from Cambridge, Massachusetts

(SQL Certificate from Cambridge).

NodeJS course - From Simplilearn (NodeJS Certificate).

Best Code Reviewer award at Oracle India.

Team Award for getting quality features delivered on time at Oracle and Aricent. Work Experience

July 2019 – July 2022

Oracle India Pvt. Ltd, Bengaluru, Karnataka, India - Senior Web Developer Project - Cloud Native Diameter Routing Agent (CNDRA) Technology Stack - PHP, NodeJS, React, Grafana, Prometheus, Kubernetes, Oracle Cloud Infrastructure, DevOps, REST, JSON, RAML, YAML, LINUX, MySQL, HTTP 2, SOAP, DNS, TCP/IP Routing, TLS, mTLS, Upgrades and Rollback, Virtualization, Containerization, Automated Test Suites

(ATS)

Responsibilities -

Worked on an incremental approach to re-architect the monolithic application to micro-service architecture.

Deployed the service on cloud using Oracle Cloud Infrastructure. 2

Strong understanding of the Node.js event loop, asynchronous programming, and non-blocking I/O.

Experienced in building RESTful APIs using frameworks such as Express.js.

Strong knowledge of object-oriented programming principles.

Experience in developing and integrating RESTful APIs.

Design, develop, and maintain Kubernetes clusters and applications.

Worked on observability of Kubernetes applications on distributed systems.

Created user authentication and authorization using JSONWebTokens(JWT)

Improved the reliability of the systems by implementing self-healing and auto-scaling capabilities using Kubernetes.

Implemented security controls to maintain confidentiality and integrity of the systems.

Conducted performance testing and optimized the application resulted in 17% of CPU savings.

Worked on DevOps CI/CD pipeline to push the Docker image to Oracle Repository.

Worked on DevOps CI/CD pipeline to achieve Shift Left Testing strategy model.

Developed a cloud based microservice using NodeJS.

Deep knowledge of canary and blue-green deployment principles, including the benefits of reduced risk, minimal downtime, and the ability to easily roll back changes if necessary.

Set up a monitoring and alerting system using Prometheus to detect performance issues or anomalies during the deployment process.

Worked closely with development, testing, and operations teams to ensure smooth and successful delivery of the product.

Actively participated in Agile/Scrum development processes by attending daily stand-ups, participating in sprint planning, and delivering tasks on time.

Collaborated with front-end developers to integrate server-side logic with client-side rendering frameworks like React.

January 2016 – June 2019

Oracle India Pvt. Ltd, Bengaluru, Karnataka, India - Senior Web Developer Project - Diameter Signaling Router (DSR) NMS

Technology Stack - PHP, REST, HTML, CSS, JavaScript, JSON, RAML, SAML, Python, Bash, LINUX, MySQL, HTTP 1.1, SOAP, LDAP, DNS, TCP/IP Routing, TLS, mTLS, Upgrades and Rollback, OpenStack, Bare-metal, Virtualization, Clearcase, Postman, Curl, JIRA, Confluence, Accessibility Compliance, Automated test suites

Collaborated with the development team to design, develop, and deploy PHP-based web applications and features that align with our customers’ vision.

Participated in code reviews, providing constructive feedback and ensuring adherence to best practices.

Worked closely with frontend developers to integrate user interfaces seamlessly with backend functionalities.

Plan, procure, test, and evaluate Proof Of Concept (POC) to replace Zend with OJET.

Participated in planning, design, implementation and testing of migrating DSR applications from OL6 to OL8.

Responsible for doing immediate support functions for critical customer issues. 3

Worked with management to plan and execute multi-site software upgrade and rollback cycle.

Designed and developed RESTful APIs and maintained API versioning.

Collaborated with ATS team to maintain REST APIs quality.

Worked with VNFM team in successfully deploying the application to a production environment

Worked on SAML 2.0 standard to enable web browser Single Sign-On (SSO) authentication.

Contributed to the planning and execution of software development life cycles, from concept to deployment.

Collaborated with the wider team (say, Product Management, Security Team, VNFM) to brainstorm and implement innovative solutions that enrich our users’ experience.

Develop and deliver a mentorship and training program for entry-level engineers.

Developed and maintained technical documentation including design specifications and user manuals.

Led architecture, design and development of features e.g. REST MMI, N-IDIH.

Presented and conveyed ideas and designs with the technical product management team.

Developed application using Waterfall and Agile product development methodologies October 2014 – December 2016

Oracle, Morrisville, NC, USA - Web Developer

Project - Diameter Signaling Router (DSR) NMS

Technology Stack - PHP, REST, HTML, CSS, JavaScript, Python, Bash, LINUX, MySQL, HTTP 1.1, SOAP, LDAP, DNS, TCP/IP Routing, TLS, mTLS, Upgrades and Rollback, OpenStack, Bare-metal, Virtualization, Clearcase, SharePoint, Automated test suites, Doxygen

Developed cross-browser and cross-device compatibility for DSR NMS.

Performed IPV6 testing on Sun Netra servers.

Performed quality assurance testing, fixed product issues, and came up with technical fixes for bugs.

Implemented gSOAP to develop a secure XML and SOAP based web service application.

Added test framework for PHP based backend web service. December 2011 – September 2014

Aricent Technologies, Gurgaon, Haryana, India - Web Developer Project - ComAgent

Technology Stack - PHP, REST, HTML, CSS, JavaScript, JSON, Python, Bash, LINUX, MySQL, HTTP 1.1, DNS, TCP/IP Routing, OpenStack, Bare-metal, Virtualization, Clearcase, SharePoint, Automated test suites, Doxygen

Fine-tuning of ComAgent configuration based on different hardware platforms.

Worked with the team to develop new features and enhance existing ones.

Wrote unit tests to verify the functionality of user interfaces and backend processing.

Debugged and optimized existing code for better performance.

Provided technical support to clients and maintained documentation. September 2007 - November 2011

Aricent Technologies, Gurgaon, Haryana, India - Web Developer 4

Project - Probe Message Feeder (PMF)

Technology Stack - PHP, Bash, HTTP, SVN, OpenStack, Bare-metal, Automated test suites

Worked with senior developers to develop features for PMF throughout various phases of project lifecycle.

Implemented new features and functionalities based on customer requirements.

Conduct thorough testing to ensure the application functions correctly. This includes unit testing, integration testing, and user acceptance testing.

Designed and implemented database schemas, write complex queries, and optimize database performance

August 2005 – August 2007

Aricent Technologies, Gurgaon, Haryana, India - Web Developer Project - TurboPage

Technology Stack - PHP, Bash, HTTP, SVN, Automated test suites, Doxygen

Developed code following common security practices.

Wrote unit tests to verify the functionality of user interfaces and backend processing.

Documented technical specifications and dependencies of applications. Education

July 2002- June 2005

Kurukshetra University, Haryana, India - Masters in Computer Applications July 1999- June 2002

Kurukshetra University, Haryana, India - Bachelors in Commerce with Computer Applications

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