Available for Tech Lead, Senior Software Engineer Roles
// SENIOR TECH LEAD & FULL STACK ARCHITECT

Gagan Pal Singh

7+ years architecting high-throughput backend services, modern cloud infrastructure, and decoupled frontend systems. Leading engineering teams to deliver mission-critical SaaS, IoT telemetry platforms, and enterprise applications.

Explore Architecture Get in Touch CV / Resume
7+ Years Experience
35+ Shipped Platforms
99.9% Uptime Target
Prague, Czech Republic Location
● SYSTEM_TOPOLOGY_V2.4 [LIVE DIAGRAM]
PRODUCTION

Click nodes to view architectural telemetry

CloudFront / Nginx API Gateway & Edge SSL
99.99%
Laravel / NestJS Microservices Cluster
14.2k rps
Socket.IO / Redis Real-Time Telemetry
12ms Latency
MySQL RDS / Mongo Primary & Read Replicas
4.2ms Query
AWS S3 / Cloud Auto-scaling & Storage
Healthy
INSPECTED NODE: CloudFront / Nginx Gateway
Protocol: HTTP/3 TLS 1.3
Load Balancer: AWS ALB (Round-Robin)
Rate Limit: 1,000 req/min per IP
Security: AWS WAF + JWT Validator
// DESIGN PRINCIPLE: Low-Latency, High-Resilience, Fail-Safe Architecture
// CORE COMPETENCIES

Engineering Leadership & Architectural Pillars

Combining deep technical execution with strategic engineering management, code quality governance, and scalable system design.

Scalable System Architecture

Designing resilient, decoupled microservice and monolithic backend systems optimized for high throughput, low latency, and zero-downtime scalability.

EXCELLENCE AT SCALE

Technical Leadership & Mentorship

Leading cross-functional engineering teams through sprint planning, code review governance, architecture RFCs, and talent mentorship.

EXCELLENCE AT SCALE

End-to-End Product Ownership

Translating complex executive business requirements into clear technical roadmaps, sprint goals, robust APIs, and production-ready deployments.

EXCELLENCE AT SCALE

Cloud & Operational Resiliency

Managing AWS cloud infrastructure, automated CI/CD pipelines, database indexing, caching strategies, and 24/7 production issue management.

EXCELLENCE AT SCALE
"As a Tech Lead, my focus is twofold: building software architecture that easily scales to 10x operational load, and building engineering teams that take pride in clean code, robust testing, and zero-downtime delivery."
— Gagan Pal Singh Senior Technical Lead
// SELECTED ARCHITECTURE & CASE STUDIES

Systems & Platforms Shipped

Real-world production engineering: solving scaling challenges, building high-availability backends, and delivering quantifiable business impact.

Enterprise & IoT // Uno Minda Group

Real-Time Energy Management System (EMS)

Architected an end-to-end industrial IoT telemetry and energy management platform for Uno Minda manufacturing facilities across India. Engineered a NestJS microservices backend streaming real-time sensor metrics into MongoDB time-series stores and Redis pub/sub channels. Built live interactive monitoring dashboards in React, providing plant engineers and executive leadership with instant visibility into energy consumption, automated load surge alerts, and automated reporting.

ENGINEERING HIGHLIGHTS & ACHIEVEMENTS:
  • ▹ Engineered WebSocket + Redis Pub/Sub stream telemetry processing 14,000+ data metrics per minute across multi-plant facilities.
  • ▹ Built automated anomaly detection engines triggering instant VPN-secured alert notifications to operational supervisors.
  • ▹ Optimized time-series database indexing, reducing reporting aggregation latency by 75% for executive analytical dashboards.
QUANTIFIABLE BUSINESS IMPACT:

Enabled 24/7 real-time tracking across manufacturing facilities, eliminating peak-load surcharges and delivering actionable energy analytics to C-level stakeholders.

DATA PIPELINE TOPOLOGY:
IoT Sensors ➔ Socket Gateway (NestJS) ➔ Redis Queue ➔ MongoDB ➔ React Dashboard
Node.js NestJS MongoDB React Socket.IO AWS Redis
Visit Live Production Site
SaaS Platform // The BOB Project

TheBOBProject Enterprise Membership Platform

Engineered a scalable multi-tenant SaaS platform governing business networking memberships, event ticketing, member onboarding, and recurring billing. Built a RESTful Laravel API backend featuring JWT authentication, role-based access control (RBAC), Razorpay/Stripe payment gateway integrations, and dynamic PDF invoice generation. Coupled with server-side rendered React/Next.js dashboards to handle thousands of concurrent user interactions with zero billing friction.

ENGINEERING HIGHLIGHTS & ACHIEVEMENTS:
  • ▹ Architected JWT-based multi-tenant authentication with granular RBAC permissions for enterprise admins and members.
  • ▹ Integrated webhook-driven automated billing infrastructure with instant payment reconciliation and PDF receipt generation.
  • ▹ Deployed serverless Next.js dashboards on Vercel with REST API endpoints hosted on AWS EC2 behind Nginx reverse proxies.
QUANTIFIABLE BUSINESS IMPACT:

Automated member onboarding and payment workflows, handling thousands of concurrent user interactions with zero billing friction.

DATA PIPELINE TOPOLOGY:
Next.js Client ➔ Laravel REST API ➔ JWT Middleware ➔ MySQL Cluster ➔ Razorpay Gateway
Laravel React.js MySQL JWT Auth REST API Vercel AWS S3
Visit Live Production Site
SaaS & Automotive // BrainyEV

BrainyEV Electric Vehicle SaaS Portal

Designed and developed a comprehensive electric vehicle listing, comparison engine, and OEM portal. Engineered a dedicated self-service manufacturer portal allowing EV brands to directly manage vehicle models, range specs, and inquiry leads. Built an advanced side-by-side vehicle technical comparison engine, dynamic CMS permission workflows, and SEO-optimized SSR pages in Next.js that significantly boosted search engine visibility and lead generation.

ENGINEERING HIGHLIGHTS & ACHIEVEMENTS:
  • ▹ Engineered an interactive multi-vehicle side-by-side technical comparison engine evaluating 40+ dynamic EV specifications.
  • ▹ Built a self-service OEM manufacturer portal with custom CMS access controls, vehicle lifecycle management, and lead tracking.
  • ▹ Implemented server-side rendered (SSR) Next.js pages with dynamic meta tags, increasing organic search traffic by over 200%.
QUANTIFIABLE BUSINESS IMPACT:

Streamlined vehicle onboarding for major EV manufacturers, boosting organic search traffic and comparison lead generation.

DATA PIPELINE TOPOLOGY:
Next.js Frontend ➔ Laravel API ➔ Vehicle Engine ➔ MySQL Database ➔ Vercel CDN
PHP Laravel Next.js MySQL Apache Vercel CI/CD
Visit Live Production Site
E-Commerce Platform // DogSpot.in

DogSpot E-Commerce Platform Overhaul

Executed a comprehensive performance, database, and backend service overhaul for DogSpot, one of India's premier pet e-commerce destinations. Re-architected checkout query execution pipelines, integrated Apache Solr search indexing for instantaneous product lookup across 100,000+ SKU catalogs, refactored payment gateway integration callbacks, and optimized Redis caching layers to sustain high peak flash-sale traffic without site latency or downtime.

ENGINEERING HIGHLIGHTS & ACHIEVEMENTS:
  • ▹ Integrated Apache Solr search cluster, dropping catalog lookup latency from 1.2s to under 45ms across high-volume SKU catalogs.
  • ▹ Refactored transaction checkout pipelines and payment gateway callbacks, eliminating checkout drop-offs during sales.
  • ▹ Optimized MySQL relational database indexing and Redis query caching to sustain 5x traffic spikes seamlessly.
QUANTIFIABLE BUSINESS IMPACT:

Substantially reduced product lookup latency, increased checkout conversion rate, and maintained peak flash-sale stability.

DATA PIPELINE TOPOLOGY:
Nginx Proxy ➔ PHP/Laravel Core ➔ Solr Search Index ➔ MySQL Relational DB ➔ Payment Gateways
PHP Laravel MySQL React.js Apache/Nginx Solr Search
Visit Live Production Site
Healthcare & EdTech // AIIMS Delhi

AIIMS Delhi Medical Learning & LMS Platform

Delivered a high-security medical learning and assessment platform for AIIMS Delhi, India's apex hospital and medical research institution. Engineered custom PHP/MySQL backend services governing structured medical courses, clinical assessments, secure video stream protection, auto-graded examination evaluations, and detailed performance analytics while enforcing strict data privacy compliance.

ENGINEERING HIGHLIGHTS & ACHIEVEMENTS:
  • ▹ Built secure video streaming and content protection layers preventing unauthorized downloading of medical lectures.
  • ▹ Engineered auto-graded clinical assessment engines with real-time analytics for department heads.
  • ▹ Designed strict role-based data isolation enforcing privacy and security standards across medical departments.
QUANTIFIABLE BUSINESS IMPACT:

Successfully deployed across premier hospital departments, serving thousands of doctors and clinical researchers seamlessly.

DATA PIPELINE TOPOLOGY:
Client Portal ➔ PHP Engine ➔ Video Delivery Layer ➔ MySQL Database
PHP MySQL JavaScript HTML5 LMS Architecture
Visit Live Production Site
EdTech & Mobile // Ace Cricket Academy

Ace Cricket Academy Management & App

Engineered a comprehensive sports academy management suite featuring a cross-platform React Native mobile application for trainees and parents paired with a robust Laravel API backend. Integrated Firebase authentication, Cloudinary media CDN, and Razorpay automated recurring subscription billing to eliminate administrative friction, automate fee tracking, and elevate parent-academy communication.

ENGINEERING HIGHLIGHTS & ACHIEVEMENTS:
  • ▹ Developed cross-platform React Native mobile app (iOS/Android) with offline attendance logging and push notifications.
  • ▹ Automated monthly subscription renewal billing via Razorpay payment APIs with dynamic invoice generation.
  • ▹ Integrated Firebase authentication for secure mobile OTP sign-ins and Cloudinary CDN for instant media delivery.
QUANTIFIABLE BUSINESS IMPACT:

Digitized academy attendance, simplified automated monthly fee collections, and boosted parent engagement.

DATA PIPELINE TOPOLOGY:
React Native App ➔ Laravel API ➔ Firebase Auth ➔ Razorpay Subscription Engine
Laravel React Native Firebase Auth Cloudinary Razorpay
Visit Live Production Site

35+ Additional Deployed & Live Client Applications

Direct links to active production instances across global regions
● admin.thebobproject.co ● brainyev.com ● brainyev.com/trip-planner ● unominda.com ● acecricketacademy.in ● aiims.edu ● saintsandmonks.com ● dogspot.in ● investorarena.in ● imeasy.co ● brainydx.com ● yourbooks.in ● cromacampus.com ● absoluteservices.in ● advayafleet.com ● unseenindia.in ● actonlabs.in ● thceazy.com ● 245degrees.com ● brainycareers.com ● axonpartners.in ● ifstherapywithsakshi.com ● indiaexplorous.com ● caregroupiol.com ● ipcliol.com ● prymeeearthmovers.com ● pennworldimmigration.com ● app.thepro.fit ● thepro.fit ● hoplon-ai.com ● akatechnologies.in ● app.cnerzy.com ● cnerzy.com
// TECHNICAL DEPTH & COMPETENCIES

The Engineering Stack I Live In

Hands-on mastery across backend frameworks, modern cloud infrastructure, distributed databases, and frontend state management.

Backend & APIs

6 Core Skills
PHP / Laravel
95% Expert
Node.js / Express.js / NestJS
90% Advanced
RESTful & GraphQL API Design
95% Expert
Microservices Architecture
88% Advanced
Queue Systems & Redis Caching
90% Advanced
CodeIgniter / CakePHP
85% Proficient

Frontend & Mobile

5 Core Skills
React.js / Next.js
90% Advanced
React Native / Expo
82% Proficient
JavaScript (ES6+) / TypeScript
92% Expert
Tailwind CSS / CSS Grid / SCSS
92% Expert
State Management & Async Data
88% Advanced

Databases & Storage

5 Core Skills
MySQL / MariaDB
95% Expert
MongoDB / NoSQL
88% Advanced
Microsoft SQL Server
80% Proficient
Database Schema & Query Optimization
92% Expert
Redis / In-Memory Cache
88% Advanced

Cloud, DevOps & Security

5 Core Skills
AWS (EC2, S3, RDS, CloudFront)
88% Advanced
Linux Admin (Ubuntu/CentOS)
90% Advanced
Nginx & Apache Web Servers
90% Advanced
CI/CD Pipelines & Vercel
85% Proficient
OAuth2, JWT & RBAC Security
92% Expert

Engineering Leadership

4 Core Skills
Team Mentorship & Code Reviews
95% Expert
Agile / Scrum Sprint Planning
92% Expert
System Design & RFC Reviews
90% Advanced
Client & Stakeholder Management
90% Advanced
// CAREER TRAJECTORY & MILESTONES

Leadership & Professional Experience

A track record of growing from hands-on software development to leading multi-team engineering organizations.

Lead Software Engineer & Technical Lead

BrainyDX Technologies • Prague / Remote
Apr 2026 – Present
  • ▹ Lead overall engineering strategy and technical roadmap planning across concurrent client engagements, driving system architecture decisions for enterprise SaaS, CRM, and e-commerce platforms.
  • ▹ Direct and manage cross-functional developer teams, taking end-to-end ownership of platform reliability, deployment automation, and continuous performance tuning.
  • ▹ Define company-wide scalable architecture standards, API contracts, security practices, and code review governance.
  • ▹ Coordinate production system reliability, capacity planning, and long-term technical architecture goals directly with leadership and client stakeholders.

Senior Associate Software Engineer

BrainyDX Technologies • India
Jul 2023 – Apr 2026
  • ▹ Led development teams through sprint planning, architecture RFCs, code reviews, and enforcement of rigorous engineering standards.
  • ▹ Directed client-facing technical meetings, translating business requirements into clear technical specifications and sprint deliverables.
  • ▹ Participated in hiring and onboarding developers, managing operational escalations, and resolving critical production bottlenecks.
  • ▹ Architected core platform components across cross-functional projects, coordinating delivery between UI design, backend engineering, and DevOps.

Software Development Engineer

BrainyDX Technologies • India
Jul 2021 – Jun 2023
  • ▹ Engineered real-time Energy Management System (EMS) for Uno Minda, delivering live IoT monitoring and consumption telemetry.
  • ▹ Built SaaS EV portal BrainyEV with custom OEM management CMS and vehicle comparison engine.
  • ▹ Enhanced DogSpot pet e-commerce platform performance, Solr search integration, and payment gateway infrastructure.
  • ▹ Delivered customized ERPs, Hospital Management Systems, and learning management platforms for AIIMS Delhi.

Freelance Software Engineer & Tech Consultant

Independent Consulting • Global Remote
Aug 2018 – Jun 2021
  • ▹ Delivered 15+ end-to-end custom software applications for international clients including CRMs, Student Systems, and Sports ERPs.
  • ▹ Architected Core PHP and Laravel e-commerce systems with custom authentication, payment gateway integrations, and REST APIs.
  • ▹ Managed cloud server administration, SSL configuration, domain setup, and zero-downtime deployment on cPanel and AWS EC2/S3 infrastructure.
// CREDENTIALS & CONTINUOUS LEARNING

Certifications & Governance

Staying ahead of technological shifts across Artificial Intelligence, System Design, and Product Management.

AI / ML 2026

AI for All

Issued by National Institute of Electronics & Information Technology (NIELIT)

Verified Credential
Product & Leadership 2026

Product Manager – Web & Mobile

Issued by Ministry of Skill Development & Entrepreneurship

Verified Credential
Generative AI 2026

AI Fluency: Framework & Foundations

Issued by Anthropic

Verified Credential
Databases 2024

Database Technologies & Optimization

Issued by NIELIT

Verified Credential
Full Stack 2023

Full Stack Web Development Using MVC Framework

Issued by NIELIT

Verified Credential
// GET IN TOUCH

Let's Build High-Scale Systems Together

Whether you are looking for a Technical Lead to scale your engineering team, architect a high-availability cloud platform, or advise on complex system design, I'm open to conversations.

Direct Email gaganpalsinggh@gmail.com
Phone & WhatsApp +420 773 996 330
Location Prague, Czech Republic

Send a Direct Message

I typically respond within 12-24 hours.