
Surendra Sahu
Verified Expert in Engineering
Full-stack Developer
Ghaziabad, Uttar Pradesh, India
Toptal member since October 5, 2022
Surendra is a highly skilled and technically proficient professional with over 15 years of experience in system design and full-stack development. His expertise includes a deep understanding of PHP, Laravel, MySQL, HTML, CSS, Node.js, JavaScript, server management, and DevOps. Surendra is recognized for his proven track record of delivering precise and efficient software solutions that drive business growth.
Portfolio
Experience
- PHP - 14 years
- MySQL - 14 years
- API Development - 10 years
- JavaScript - 10 years
- REST APIs - 8 years
- Node.js - 5 years
- Laravel - 5 years
- React - 5 years
Availability
Preferred Environment
Git, MacOS, Visual Studio Code (VS Code), Terminal
The most amazing...
...solution I've built is a cutting-edge, scalable billing system that manages billing processes while adapting to the growing needs of the business.
Work Experience
Full-stack Developer
CashnGo (as a freelancer)
- Designed and developed a streamlined workflow system for loan underwriting, utilizing Wappler workflow to optimize efficiency and accuracy in the underwriting process.
- Implemented seamless auto-disbursal of loans by integrating the Zepto payment gateway, leveraging my expertise in API integrations.
- Managed repayments, waivers, and penalties by utilizing the Mifos platform.
Full-stack Shopify Developer
ReConvert
- Collaborated with Shopify functions to implement dynamic discounts, improving the customer shopping experience and increasing sales revenue.
- Enhanced store functionality through seamless integrations with third-party systems, optimizing workflow efficiency and providing customers with an exceptional online shopping experience.
- Developed customized data reporting and analytical tools, leveraging advanced technologies and programming languages to optimize data analysis and provide actionable insights for business decision-making.
Full-stack Developer and DevOps Manager
Ziff Davis LLC (as a freelancer)
- Designed and developed a LinkedIn automation tool using Python and Selenium.
- Designed and developed email marketing software that effectively converts leads into customers.
- Architected and developed a scalable infrastructure, incorporating auto-scaling capabilities to accommodate fluctuating user traffic and demand.
CTO
Pheuture Studio Pvt
- Architected and created the IT infrastructure and mentored the team on best development practices.
- Created a scalable solution to handle millions of transactions per day.
- Built solutions for eCommerce, billing, call centers, and process automation.
Senior Full-stack Developer
Goibibo
- Created an eCommerce platform for voice-based services.
- Worked with teams to enable microtransactions across product divisions.
- Integrated with payment gateways and the telecom operator API to provide microtransactions from users' mobiles.
- Ported existing games from Tencent to mobile platforms.
Engineer Manager
Goibibo
- Migrated the myibibo social network from C# and ASP.NET to a PHP-based platform.
- Created the social network mobile apps for Nokia and Android.
- Managed the single sign-on (SSO) authentication for all the ibibo platforms, including blogs, the social network, and the gaming and travel portals.
Senior Software Engineer
Goibibo
- Developed a social network, myibibo.com, with a newsfeed and profile search option.
- Created a click-to-call option for social network users using Asterisk and in-house hardware deployment.
- Managed and executed various applications for tie-ups with Bollywood films and reality shows, including a platform for prime-time TV series.
Senior Full-stack Developer
GlobalLogic
- Migrated an existing application from the .Net 1.1 to 2.0 architecture.
- Developed complex automated reports for Fortune 500 companies to support business decisions for employee retention and satisfaction.
- Simplified the data flow process by creating ETL packages for automating data validation and report generation.
Experience
Web Scraping Tool
Email Validation and Verification Solution
https://coolvalidator.com/I developed a system that validates the following checkpoints:
• SMTP Ping verification
• Check the existence of the SMTP server for the domain
• Check the existence of a working mailbox where accessible
• MX Record Validation
• Check for improbable names, including vulgar, famous, bogus, or suspicious keystroke sequences.
• Check the mail exchange record of the domain to ensure it is valid and accepting mail
• Verify that individual domain-specific mailbox rules are met
• Check email address syntax and errors
Fintech Solution
https://www.cashngo.com.au/Chrome Extension
Shopify Plugin Development
https://apps.shopify.com/reconvert-upsell-cross-sellWordPress Sandbox on Demand
https://instawp.com/Education
Bachelor's Degree in Electrical Engineering
Indian Institute of Technology Roorkee - Roorkee, India
Certifications
Young Entrepreneurs Program in Business Strategy
Naspers with Harvard Business School
Skills
Libraries/APIs
Node.js, React, jQuery, REST APIs, API Development, JavaScript Charting, Vue, Stripe, Zoho API, Shopify API, LinkedIn API
Tools
Git, SendGrid, GitHub, GitLab, Bitbucket, RabbitMQ, Visual Studio, Mailchimp, Docker Compose, Auth0, Shopify Plus, Photoshop 7, Asterisk, Visual SourceSafe, Query Plan, Jira, VSS, VPN, Asterisk REST Interface (ARI), Kamailio, Vultr, Terminal, AWS ELB, Slack
Languages
PHP, HTML5, SQL, JavaScript, CSS, Python, TypeScript, GraphQL, Bash, HTML, C#, Visual Basic, Java, C, C++
Frameworks
CodeIgniter, Laravel, PHP MVC, Selenium, Bootstrap, ASP.NET, React Native, Android SDK
Paradigms
Serverless Architecture, Database Design, ETL, Continuous Integration (CI), Continuous Delivery (CD), Domain-driven Development, Web Application Architecture, Web App Design, Responsive Layout, DevOps, Microservices Architecture, Agile, Microservices, Automated Server Deployment
Platforms
Windows, Linux, MacOS, Docker, CentOS, Debian, Ubuntu, DigitalOcean, WordPress, Ubuntu Linux, Google Chrome, Shopify, Amazon Web Services (AWS), Twilio, Visual Studio Code (VS Code), LAMP, Firebase
Storage
MySQL, Redis, Amazon S3 (AWS S3), MariaDB, Database Backups, Databases, SQL Server DBA, Elasticsearch, MongoDB, Database Management, SQL Server 2017
Industry Expertise
Web Design
Other
Opera Extensions, CI/CD Pipelines, Serverless, WebSockets, Payment APIs, Message Queues, Web Development, CTO, App Infrastructure, Domain-driven Design (DDD), APIs, Full-stack, Scraping, Web Scraping, Algorithms, Back-end, Front-end, Data Scraping, Store Scraping, Typesense, Machine Learning, IT Networking, Networking, Chrome Extensions, Software Development, Graphical User Interface (GUI), VoIP, Single Sign-on (SSO), Content Delivery Networks (CDN), Mobile Apps, Software Architecture, Query Optimization, Server Management, Deployment, Software QA, Team Management, eCommerce, Telecom Equipment & Solutions, RESTful Microservices, API Integration, Chatbots, Managed Services, IT Infrastructure, MVP Design, Forecasting, Startup Consulting, Business Strategy, SIP, Google SEO, Full-stack Development, Online Payments, Amazon RDS, Low Code, Workflow, Shopify Theme, Autoscaling, Shopify Customizations, Architecture, Data Structures, Technical Leadership, Solution Architecture, Nokia Mobile Development
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