AI / LLM
OpenAI API, Gemini API, LangChain
RAG pipelines, ChromaDB, pgvector, prompt engineering, LangSmith
Udaipur, India
PRANAV SONI
BACKEND_ENGINEER
Backend engineer with 4+ years of experience owning production systems and debugging in production. I build API-driven SaaS platforms with PostgreSQL, async workers, and role-based access control using Node.js, Python, and PHP.
const engineer = {
name: "Pranav Soni",
experience: "4+ years",
role: "Backend Engineer",
focus: "API-driven SaaS Systems",
stack: ["Node.js", "Python", "PHP"]
};
Core_Modules
Backend
Node.js, Express.js, FastAPI
Laravel, PHP
Frontend
React, Next.js, Zustand
Tailwind CSS, Bootstrap, SCSS
Languages
JavaScript, TypeScript, Python, PHP, SQL
APIs & Auth
RESTful APIs, JWT, RBAC
OAuth 2.0, Laravel Sanctum, Auth.js
Databases
PostgreSQL, MySQL
MongoDB, Redis, schema design, normalization
DevOps / Cloud
AWS (Lightsail, EC2), DigitalOcean, Docker
Nginx, Apache, Git, CI/CD
Project_Deployment
Featured work. Client code stays private — each card links to a full case study with architecture, war stories, and trade-offs.
★ Fintech lead
lock Private
Catalog Ecommerce Platform
Next.js 16, TypeScript, Prisma, PostgreSQL, Redis, BullMQ, Razorpay
Inventory + order platform with real-time stock validation and multi-payment processing.
- Atomic stock transactions + idempotency keys prevent overselling and double-processing.
- Razorpay webhooks with signature verification; money-safe arithmetic via Dinero.js.
- Customer credit ledger with reconciliation — cut manual accounting ~80%.
★ Anchor story
lock Private
Sangathan Events — QR Attendance
PHP (Custom MVC), FastAPI, Celery, Redis, MySQL, DigitalOcean
Multi-tenant QR attendance for 10,000+ attendee events across multiple states.
- Extracted card generation into a FastAPI + Celery microservice.
- Cut generation time 90% (2s → 0.2s per card) with 4 parallel workers.
- Debugged a live-production Devanagari font-rendering failure before the event.
ATS · Lead dev
lock Private
The Hiring Company — ATS
PHP (Custom MVC), MySQL, PDO, Twig, JWT, REST APIs
Referral-powered ATS built from scratch with commission tracking and payouts.
- Custom MVC framework with a fluent query builder and 5-role RBAC.
- Cursor-based pagination for flat latency across millions of rows.
- Migrated 1.9M+ candidate records from Ceipal ATS, kept queryable at scale.
SaaS · 0→1
lock Private
Apnaccountant — Finance SaaS
Laravel 11, MySQL, Razorpay, mPDF, JWT (RS256)
Multi-tenant invoicing & accounting SaaS for SMBs, architected 0 → 1.
- Subscription billing via Razorpay with webhook processing and plan enforcement.
- Fiscal-year (April–March) P&L reporting engine with PDF export.
- Design patterns: Strategy, Observer, Factory, Repository.
ERP · Solo
lock Private
ACPL Construction ERP
Next.js 15, React 19, Laravel 11, Sanctum, MySQL, AWS Lightsail
Multi-tenant construction ERP with geotagged task verification across sites.
- 17+ controllers, 50+ endpoints, 46+ migrations across 10+ tables.
- GPS + EXIF geotagged task logs with client-side image compression.
- Handled 100+ daily task logs from field workers.
Product
lock Private
Certifly — Certificate SaaS
Next.js 15, Express.js 5, MongoDB, Puppeteer, Razorpay
Certificate generation, verification, and management with credit monetization.
- Credit-based billing with atomic transactions to prevent race conditions.
- Puppeteer PDF generation with browser pooling (~2–3s per certificate).
- Public, tamper-proof verification without authentication.
★ Public proof
public WordPress.org
Adx Plugin — WordPress
PHP 7.4+, WordPress Plugin API, Vanilla JS, Google Publisher Tag
Publicly shipped, security-reviewed ad-management plugin for Google AdX / Ad Manager.
- 10+ ad formats with zero-code configuration.
- Multi-layered hook system for broad theme compatibility.
- Passed the WordPress.org security review; GPLv2.
★ Open source
code GitHub
AI Resume Optimizer
Python, FastAPI, Google Docs API, Gemini/OpenAI, OAuth 2.0
LLM tool that rewrites resume bullets for a job description while preserving formatting.
- Format-preserving edits via the Google Docs batchUpdate API.
- Provider-agnostic LLM layer (Gemini/OpenAI) switched via env vars.
- ATS-focused prompt engineering (XYZ impact formula).
More case studies
AI Admission Counselor, Smart Dairy, JSG Community Platform, and more.
Browse all work arrow_forwardExecution_Timeline
Professional Log
Sr. Backend Engineer
Techmeraki
- The Hiring Company - Recruitment Management Platform: Built a production-grade internal ATS from scratch to manage end-to-end hiring operations. Architected a custom PHP MVC framework with a fluent Query Builder, role-based access for 5 user types (Admin, Recruiter, Partner, Candidate, Company), a recruiter calling tracker, partner referral + payout engine, and cursor-based server-side pagination to handle 1.9M+ migrated records. Integrated JWT-based REST API, bulk CSV import/export with data-security controls, and geo-based data scoping by city. Case study →
- AI Admission Counselor: Built an AI-powered RAG-based admissions platform integrating the OpenAI API with streaming responses to generate real-time, personalized Markdown-to-PDF assessment reports — combining dynamic questionnaire logic with academic inputs via a FastAPI backend and prompt-engineered LLM pipelines. Case study →
- Apnaccountant (SaaS): Architected a multi-tenant subscription-based finance SaaS from 0→1 using Laravel 11 REST APIs — delivering invoicing, quotations, and P&L modules consumed by web and mobile clients, with modular service design, API versioning, and MySQL schema design across normalized tables. Case study →
- QR-based Event Attendance Management: Scaled bulk QR/ID generation and attendee flows for a large-scale event by extracting QR generation into a dedicated FastAPI microservice and offloading the work to Celery task queues, cutting card-generation time by 90% and enabling high-volume event operations — CSV attendee uploads, OTP self-registration, and QR scanner check-in. Case study →
Jr. Backend Engineer
Techmeraki
- Stay Management App (SaaS): Developed REST APIs for a property management SaaS serving mobile clients with complete CRUD, role-based access, and structured data validation. All protected by JWT-based authentication.
- Event Management and Ticket Sales Tool (SaaS): Built a multi-day event platform with registration pages, QR-based ticketing, event-wise RBAC, and individual scanner access — handling end-to-end attendee lifecycle from registration to entry verification.
- Travel & Distance Logging Platform: Built a field-trip itinerary portal that lets teams create and manage travel plans with expense tracking, logistics tracking, interlinked filters, member permissions, approval workflows, scheduling, and PDF export/merge pipeline using REST APIs, Laravel, and SQL-backed data modeling.
Intern
Techmeraki
- Developed party management portal with call assignment and review workflows.
- Integrated robust server-side validation into custom MVC framework.
Achievements
Employee of the Year (2023)
Recognized for delivering a high number of projects with consistent quality and on-time execution.
Extra-Mile Achiever (2024)
Awarded for solving beyond core expertise and taking ownership of cross-functional work.
Education
BCA (2021)
University College of Science, MLSU, Udaipur
7.05 CGPA
Initialize_New_Project
Looking for a reliable full-stack engineer for scalable APIs, business workflows, and product delivery. Let us build something robust together.