Lead Software Engineer **+ years of experience in building scalable platforms for 5M+ users. Expert in PHP (Laravel, Yii2, CodeIgniter, CakePHP, Symfony), Node.js, Microservices, AWS, REST APIs, GraphQL and CI/CD. Strong track record in modernizing legacy systems, improving backend performance by up to 70%, and driving engineering excellence through mentorship and automation. Professional Summary
Lead Software Engineer
Dayal InfoSystems Pvt. Ltd. Meerut, India January 2025 - Current Deputy Manager Technology
CollegeDekho.com Bengaluru, India October 2022 - November 2024 Assistant Manager Technology
Riseoo Global Pvt. Ltd. Noida, India November 2020 - October 2022 Professional Experience
Modernized ERP architecture using Yii2, MySQL, Redis, ReactJs, GraphQL, RabbitMQ & CI/CD. Achieved 80% defect reduction through peer reviews & automated pipelines. Delivered 15+ ERP modules improving reliability & performance. Led & mentored a 6+ engineer team across Agile delivery cycles. Boosted API speed & DB efficiency with caching + query optimizations. Led backend engineering for admissions, LMS, CRM & multi-tenant systems serving 5M+ users. Implemented microservices architecture improving performance by 45%. Built AWS + Docker CI/CD pipelines cutting deployment time by 70%. Enhanced platform stability with monitoring, logging & service isolation. Managed cross-platform integrations across education, exam prep & CRM domains. Architected cashback, affiliate & e-commerce systems with modular, API-driven design. Integrated 20+ external APIs across payments, coupons, logistics & deals. Hakim
Singh
Ghaziabad, India
**********@*****.***
Manager Technology
Compare InfoBase Ltd. New Delhi, India November 2018 - October 2020 Senior Technical Associate
Policybazaar.com Gurugram, India June 2017 - November 2018 Senior Software Engineer
Techmobia Digital Solutions Noida, India February 2015 - June 2017 Software Engineer
Eastern Software Systems Noida, India June 2013 - February 2015 Software Developer
Brain Technosys Pvt. Ltd. Noida, India, India September 2011 - June 2013 Improved platform reliability via QA automation & code reviews. Built GIS platforms using OSM, Leaflet & Google Maps. Developed geospatial APIs & analytics, enhancing user engagement. Launched high-traffic mapping portals including mapsofindia.com & mapsofworld.com. Built CRM, lead-gen & API modules using CakePHP, CodeIgniter, Laravel. Improved API response time by 30%.
Boosted lead conversions by 28% via backend optimization. Developed mobile-centric engagement & communication platforms. Built REST APIs for CRM, payroll, CMS, dashboards & reporting panels. Enhanced system stability by resolving complex technical issues. Developed ERP/CRM modules & reusable components, reducing development time. Delivered dashboards & enterprise applications.
Built websites & apps (paydaypriorities.com, epictopic.com). Improved code quality via refactoring & standardized UI components. Major Projects
Delivered 15+ ERP/CRM modules (HRMS, Finance, Inventory, Sales, Workflow) with 80% defect reduction and major performance gains.
Architected multi-tenant CRM, LMS & admissions platforms for 5M+ users, achieving 45% faster loads and 70% CI/CD automation.
Built education platforms (GetMyUni, IELTSMaterial, TOEFLTestPrep) with enhanced automation, content delivery, and API-driven workflows.
Developed scalable cashback & affiliate systems integrating 20+ external APIs across payments, logistics, coupons & e-commerce.
Delivered high-traffic GIS & mapping platforms (MapsofIndia, MapsofWorld) using OSM, Leaflet & Google Maps with custom geospatial analytics.
Engineered insurance CRM & lead-gen systems for Policybazaar/Paisabazaar, improving conversions by 28% and API speed by 30%.
Built enterprise-grade apps (Techmobia & ESS), improving API performance, system stability & delivery speed.
Backend Development
Frontend Development
Architecture & Engineering
Cloud & DevOps
Databases & Caching
APIs, Messaging & Integrations
Tools & Collaboration
Core Competencies
PHP (Laravel, Yii2, Symfony, CodeIgniter,
CakePHP)
Node.js
React.js, Angular
JavaScript (ES6+), jQuery
HTML5, CSS3, Bootstrap
AJAX
High-Level & Low-Level Design (HLD/LLD)
OOP, SOLID Principles
Microservices Architecture
Design Patterns
AWS (EC2, S3, RDS, CloudWatch, Lambda)
Docker
Jenkins
Linux Server Administration
CI/CD Pipelines & Automation
MySQL, PostgreSQL
MS SQL Server, Oracle
MongoDB
Redis
RESTful APIs, GraphQL
Socket.IO
JWT, OAuth2
RabbitMQ
Firebase
Git, SVN
GitHub, GitLab
Psalm (Static Analysis)
Postman, Swagger, Apidog
Jira
Agile/Scrum Delivery
Sprint Planning
Code Reviews
Team Leadership
Mentoring
MCA: Master of Computer Applications
GLA Institute of Technology & Management Mathura, UP 2011 B.Sc. (Mathematics): Bachelor of Science
Dr. Bhimrao Ambedkar University Agra, UP 2008
Intermediate: Physics, Chemistry, and Mathematics
Janta Inter College Etah, UP 2005
High School: Science
Jan Kalyan Inter College Etah, UP 2003
Education
Certifications
Certificate Of Achievement in PHP Tech Lead - https://app.ezyhire.com/test/certificate/c9761fcd-ffdc- 4277-b6f1-95e4ae62cb31
PHP and Laravel - https://app.testdome.com/screening/test/e6abcf161a9a47bb9b1078a550c3fa0d SQL (Advanced) - https://www.hackerrank.com/certificates/f7bb0f72f72f Triplebyte Certified - https://triplebyte.com/tb/hakim-singh-bygoie6/certificate PHP - https://www.testdome.com/certificates/fa99627838054e4180bdcafb6b38c7bb Websites & Profiles
LinkedIn: linkedin.com/in/singh-hakim
GitHub: https://github.com/hakim-singh
Portfolio: https://hakim-singh-c88pt7w.gamma.site/ StackOverflow: https://stackoverflow.com/users/9641093/hakim-singh Twitter (X): https://x.com/ErHakimSingh