Nikhil Vashisht — Quality Assurance Engineer & Python Developer

01 // PHILOSOPHY & BACKGROUND

Physical understanding precedes every line of code.

Real manufacturing environments demand zero cloud dependencies, instant UI responsiveness, and foolproof audit trails.

MANUFACTURING QA EXECUTIVE

Grounded in plant-floor reality.

At NHK Spring India Ltd., Nikhil leads Statistical Process Control (SPC), capability studies (C_pk, C_pu, C_pl), IATF 16949 compliance, inspection test certificates, and 8D root-cause investigations — with firsthand knowledge of how operators work and where process failures originate.

SPC & Cpk IATF 16949 8D Root Cause Test Certificates

SOFTWARE & AUTOMATION DEVELOPER

Fluent in modern desktop engineering.

With a Bachelor of Computer Applications (BCA), Nikhil architects full-scale offline desktop systems — from multithreaded Python GUI applications and embedded SQLite databases to Zebra ZPL barcode pipelines that eliminate hours of manual reconciliation.

Python 3 Tkinter / PySide6 SQLite3 Zebra ZPL Excel VBA

02 // TECH STACK BENTO

Asymmetric Technical Environment.

A curated suite of desktop architectures, statistical methods, hardware integrations, and rapid automation tools.

PRIMARY STACK

Py

Python & Enterprise Architecture

Architecting resilient offline desktop applications with Python 3, Tkinter, PySide6 (Qt), and embedded SQLite. Engineered for zero-latency, local concurrency, and fault-tolerant transaction ledgers.

nhk_rims_engine.py

class TraceabilityEngine:
    def commit_receipt(self, heat_no, bundle_wt):
        with self.db.transaction() as tx:
            uid = tx.insert("RCV_LEDGER", heat=heat_no, wt=bundle_wt)
            return self.zpl.print_tag(uid, status="ACCEPTED")

METRICS & MATH

SPC

Statistical Process Control & Cpk

Precision X̄ / R control charts, Upper & Lower Control Limits (UCL/LCL), capability index (Cpk, Cpu, Cpl), and continuous variation minimization.

Cpk ≥ 1.67 Six-Sigma Target

HARDWARE I/O

ZPL

Zebra ZPL & QR Laser Systems

Direct raw socket communication with industrial Zebra label printers via Zebra Programming Language (ZPL). Real-time checksum decoding for 2D DataMatrix and QR code scanners.

Direct IP & USB ZPL Stream
2D GS1 DataMatrix Checksum
Sub-second Laser Scan Handshake

ANALYTICS

VBA

Advanced Excel & VBA Automation

Custom VBA macro suites and automated ETL scripts transforming raw multi-shift inspection dumps into instant executive Pareto summaries.

COMPLIANCE

ISO

IATF 16949 & 8D Root Cause

Rigorous automotive audit compliance, ISO 9001/IATF standard adherence, 5-Why analysis, and CAPA resolution.

OPEN SOURCE

🐙

@Nikkured

github.com/Nikkured

Explore public automation utilities, custom Python scripts, and repository source code.

Visit GitHub Repo

03 // FEATURED APPLICATIONS

Enterprise Software & Live Telemetry.

Real-world operational systems designed to enforce 100% data integrity and fail-safe shop-floor execution.

FLAGSHIP ENTERPRISE SYSTEM · LIVE & DEPLOYED v1.2.0

NHK RIMS — Raw Material Inventory Management System

A production-grade immutable double-entry ledger platform for industrial raw material traceability at NHK Spring India Ltd. Tracks materials accurately across Diameter × Length × Grade pools with row-level concurrency locking, atomic serial document counters, and dialect-safe multi-DB support. Spans a high-performance Qt desktop ERP client, a Django cloud web portal, and a native Android APK — eliminating stock discrepancies across receipts, production consumption, audits, and reversals.

🌐 Live Demo ⌥ GitHub Repo

📒Immutable double-entry ledger — every stock event permanently recorded with traceable, non-destructive reversal capabilities

🔒Concurrency & multi-DB hardening — dialect-safe with_for_update() row locking, atomic serial counters, dynamic master cache sync (SQLite + PostgreSQL)

📐Granular Dia × Length × Grade pool control — automated weight-to-piece conversions & monthly Sales Plan coverage tracking

🛡️RBAC with Argon2id cryptographic hashing — Supreme Admin, Admin, Supervisor, Operator tiered permissions

🖥️Cross-platform: PySide6 Qt desktop (Deep Slate dark/light themes) + Django cloud PWA + Android WebView APK

🧪Python Unittest suite covering concurrency invariants, security edge cases & ledger correctness; packaged via Inno Setup Windows installer

Python PySide6 / Qt Django SQLAlchemy PostgreSQL SQLite Android SDK Argon2id Render Cloud Inno Setup

🌐 Live Demo ⌥ GitHub Repo

NHK_RIMS / FACTORY PIPELINE 🟢 STABLE RUNNING

RECEIPT CONTROL

Source captured before inventory is created

Ref Code:RCV-260805-014

Material:10.60 × 1600 · Grade A

State:SOURCE LINKED

CONTROL ENFORCED:

A material balance cannot exist without an authentic supplier heat number and recorded weight.

LIVE SPC TELEMETRY

Real-Time Statistical Process Control Streamer

Interactive real-time X̄ / R chart plotting manufacturing samples every 1.4s. Dynamically calculates Upper Control Limit (UCL), Lower Control Limit (LCL), and sample mean, while evaluating Western Electric rule breaches and alarming on out-of-control states.

INJECT SHOP-FLOOR DISTURBANCE:

Canvas 2D Statistical Algorithms Cpk / Ppk Real-Time Alarms

μ TARGET10.00 mm

UCL (+3σ)10.45 mm

LCL (-3σ)9.55 mm

STATUSCONTROLLED

SIX-SIGMA STATISTICAL LAB

Interactive Process Capability (Cpk) & Normal Distribution Lab

Simulate live manufacturing variation and specification bounds. Adjust the Process Mean (μ), Standard Deviation (σ), and Tolerance (±Δ) to watch the Gaussian bell curve morph, calculate real-time capability indices (Cpk, Cp, Cpu, Cpl), and shade out-of-spec defect regions.

Process Mean (μ): 10.00 mm

Std Deviation (σ): 0.12 mm

Tolerance Bound (±Δ from 10.00): ±0.45 mm

Cpk INDEX 1.25 CAPABLE

Cp POTENTIAL 1.25 Process Width

Cpu / Cpl 1.25 / 1.25 Upper / Lower

EST. DEFECTS (PPM) < 64 PPM Six-Sigma Scale

ZPL INDUSTRIAL HARDWARE STUDIO

Real-Time Zebra ZPL Label Generator & 2D Tag Visualizer

Configure real shop-floor parameters to generate dynamic Zebra Programming Language (ZPL) code and preview a photorealistic high-density thermal industrial label with a scannable 2D GS1 DataMatrix code.

Material Specification

Supplier Heat No.

Bundle Weight (kg)

Quality Disposition

QR Code Payload Output Mode

RAW ZPL CODE STREAM

^XA
^FO30,30^A0N,28,28^FDNHK SPRING INDIA LTD^FS
^FO30,65^A0N,20,20^FDMAT: 10.60 x 1600mm Gr-A^FS
^FO30,95^A0N,20,20^FDHEAT: HT-260826-09^FS
^FO30,125^A0N,20,20^FDWT: 214.6 KG  STATUS: ACCEPTED^FS
^FO320,30^BXN,6,200^FDHT-260826-09|214.6|OK^FS
^XZ

NHK SPRING INDIA LTD.

RAW MATERIAL TRACEABILITY TAG

PART SPEC:10.60 x 1600mm Gr-A

HEAT NO:HT-260826-09

SERIAL:BND-260826-004

GROSS WT:214.60 kg

DATE/SHIFT:2026-08-26 / Shift-A

SCAN WITH PHONE CAMERA

ACCEPTED

*BND-260826-004*

INDUSTRIAL QUALITY · LIVE IN PRODUCTION

NHK Spring — QR Code Scanning System (QR Live Scan Validator v16)

A mission-critical offline-first industrial desktop application engineered for NHK Spring India Ltd. to eliminate component mix-ups during automotive coil spring inspection. Parses high-speed handheld 2D DataMatrix/QR scans in real-time, validates part numbers, prefix formats, and serial limits — halting instantly on duplicates until supervisor authorization and root-cause logging are completed. All local data auto-syncs to a Telegram monitor bot when internet is detected.

⚡Sub-millisecond QR & DataMatrix duplicate detection with instant scan halt on mismatch

🔒Fail-safe supervisor PIN lockout with 1-click numbered root-cause remark logging

📴100% offline standalone Windows .exe — SQLite WAL for ACID compliance & crash resilience

☁️Smart Telegram cloud auto-sync — background daemon uploads atomic .db snapshots on connectivity

🏭Dynamic Model Creator Studio — register new product variants from a single sample scan

📊Shift analytics dashboard (A/B/C) with 1-click executive Excel & CSV export via OpenPyXL

Python 3.13 PyWebView SQLite WAL Telegram Bot API PyInstaller OpenPyXL Edge WebView2 Offline-First

QR SCAN TERMINAL — LIVE VALIDATION

SCAN INPUT → NHK-COI-A47-001842

✓ VALID — ACCEPT UNIT

Part: COI-A47 · Serial: 001842 · Shift: B

SCAN INPUT → NHK-COI-A47-001842

⚠ DUPLICATE DETECTED — SCAN HALTED

Supervisor authorization required to resume

OFFLINE TELEGRAM SYNC ✓ SHIFT B ACTIVE

ENTERPRISE ANALYTICS · READY FOR PRODUCTION

NHK Rejection Analysis & Production Intelligence System (v0.6.7)

An on-premise industrial quality intelligence web application for automotive spring manufacturing at NHK Spring India. Replaces fragmented Excel workbooks with a centralized ACID-compliant database while preserving the familiar spreadsheet grid. Bridges shop-floor shift operations with executive decision-making via automated COPQ calculation, real-time Pareto charts, Julian lot-date traceability, and email-ready daily Excel matrix generation in seconds.

📋Excel-like grid entry with persistent drafts, keypad navigation & crash-recovery via localStorage

📊Real-time 80/20 Pareto engine with PPM target benchmarking and 12-month trend modeling

💰Automated COPQ financial loss quantification across scrap & process rejection categories

🏆IATF 16949 compliance — 7-digit Julian lot validation, Shift C cross-midnight tolerance, immutable audit log

⌨️Full-width workspace toggle (Ctrl+B) to maximize all 16 defect columns on shop-floor monitors

📁1-click formatted Excel matrix generator via OpenPyXL — zero manual copy-pasting

Python 3 SQLite WAL Vanilla JS ES6+ SVG Data Viz OpenPyXL PyInstaller IATF 16949 Pareto Analytics

REJECTION ANALYSIS · LIVE DASHBOARD SHIFT A

TOTAL REJECTIONS

247 pcs

COPQ (TODAY)

₹18,420

LINE PPM

412 / 350 tgt

TOP DEFECT

Bend (38%)

PARETO — TOP 3 DEFECTS (80/20 RULE)

Bend Defect38%

Surface Scratch27%

Dimension NG19%

04 // AI AGENT & CONVERSATION COACH

LIVE TELEGRAM BOT · @ReplyMateAIProBot ↗

ReplyMate AI — Telegram Conversation Coach.

Transform awkward, dry, or high-stakes text messages into polished, high-impact responses across Executive, Witty, Assertive, and Friendly tones.

9:41

5G ⚡

Today

Select scenario to simulate:

You

i guess i can maybe work late tonight if u really need me to...

09:41 AM ✓✓

🤖 REPLYMATE TONE ENGINE 68% Hesitant

Detected Tone: Passively Hesitant & Undervalued

⚡ SUGGESTED REPLIES & COACHING

CONVERSATION REFACTOR

Before vs. After ReplyMate Transformation

✕ ORIGINAL BORING / AWKWARD MESSAGE

"i guess i can maybe work late tonight if u really need me to..."

Weak framingUndermines confidenceUnclear boundaries

⚡

✓ REPLYMATE EXECUTIVE RESPONSE

"I am available to cover the priority deliverable this evening. Let's confirm the key priorities so we align objectives efficiently."

Proactive toneClear ownershipAssertive posture

🧠 How ReplyMate Works in 4 Simple Steps

01

Send Message

Forward any draft or text to @ReplyMateAIProBot on Telegram.

02

Tone Analysis

AI instantly detects formality, subtext, and communication risks.

03

Pick Your Vibe

Choose Executive, Witty, Assertive, or Warm variations.

04

Send & Win

1-tap copy and send directly inside your Telegram chat.

🤖

Smart Reply Suggestions

Generates context-aware, highly natural responses calibrated to your exact conversational goals in milliseconds.

🎯

Tone & Sentiment Detector

Analyzes incoming messages for hidden aggression, urgency, formality, and hesitation with real-time confidence scores.

💡

Conversation Coaching

Provides tactical framing advice on when to set boundaries, ask clarifying questions, or push for closing commitments.

⚡

Multi-Style Tone Switcher

Instantly switch between Executive/Corporate, Witty/Casual, Direct/Assertive, and Warm/Friendly tones with 1 click.

🔒

Privacy & Zero Logs

Encrypted request pipeline ensuring your personal chat logs and sensitive messages are never stored or retained.

📱

Native Telegram Integration

Built directly on Telegram Bot API via @ReplyMateAIProBot for zero-friction inline messaging on iOS, Android & Desktop.

14,850+ Messages Processed

1,420+ Active Telegram Users

< 0.8s Avg AI Latency

99.4% Satisfaction & Tone Rating

READY TO ELEVATE YOUR MESSAGING?

Start Coaching Your Conversations with ReplyMate AI

Open @ReplyMateAIProBot in Telegram now and transform your everyday conversations with AI precision.

✈ Open ReplyMate in Telegram ↗

05 // CREATIVE & AI AUTOMATION

Content Creation & AI Tech Reviews.

Exploring next-generation AI workflows, automation tutorials, and software tools on YouTube.

▶ YOUTUBE CREATOR

NV AI Studio @nvaistudio

NV AI Studio produces high-impact videos exploring AI technology, automated coding workflows, practical Python desktop tools, and productivity stacks for engineers and modern creators.

Tech & AI

Core Niche

Automation

Workflows & Code

HD / 4K

Production Quality

Visit @nvaistudio on YouTube

Automating Engineering Reports with Python & SQLite

Step-by-step tutorial on building zero-dependency reporting tools. Click to inspect →

Next-Gen AI Tools & Workflow Automation Breakdown

Comprehensive review of state-of-the-art AI assistant workflows. Click to inspect →

06 // CAREER TIMELINE

Where the discipline was forged.

Proven track record across tier-1 automotive manufacturing quality and large-scale outbound operations.

01

CURRENT ROLE

Quality Assurance Executive

NHK Spring India Ltd. · Manesar, Gurugram

03/2025 — Present

Manage plant-wide Statistical Process Control (SPC) and evaluate Cpk, Cpu, Cpl capability indices across critical lines.
Monitor process variation, inspection records, and defect trends to prevent quality escapes.
Maintain inspection test certificates, raw material traceability, and support ISO / IATF quality audits.
Architect custom automated Python data pipelines and Excel VBA dashboards for executive quality reporting.
Develop QR-code parsing algorithms and Zebra ZPL printing routines for shop-floor label verification.
Drive 8D root-cause investigations and cross-functional corrective actions across production and stores.

02

TIER-1 AUTOMOTIVE

Shift In-Charge – Outbound Logistics

Hero MotoCorp Ltd. · Gurugram

2019 — 2024

Supervised supervisors, operators, drivers, and support staff during high-volume finished-vehicle dispatches.
Planned dynamic manpower deployment according to daily dispatch volume and transport scheduling.
Coordinated finished-vehicle movement, loading readiness, vehicle placement, and dispatch sequencing.
Resolved bottleneck delays, shift handovers, and ensured strict adherence to dispatch documentation and safety protocols.

03

EDUCATION

Bachelor of Computer Applications (BCA)

Dronacharya Government College, Gurugram

Graduate Degree

Solid computer science foundation in software architecture, database management (RDBMS/SQL), algorithms, and application development. Senior Secondary Education (CBSE, First Division) & Secondary Education (HBSE, First Division).

06 // INITIATE CONVERSATION

Let's build something exceptional together.

Nikhil is actively open to Quality Assurance, Quality Engineering, Manufacturing Digitalization, and Python Software Automation roles in the automotive and industrial sectors.

EMAIL DIRECT nishantvashisht8@gmail.com

PHONE / WHATSAPP +91 88821 86438

LOCATION Gurugram / Manesar, Haryana, India

Quick Access Hub

Send Email Message Download Official CV (PDF) Linktree Hub (@nikku_red)

SUPPORT & DONATIONS

Support Nikhil's Open-Source & Engineering Work

If Nikhil's Python automation tools, SPC calculators, or open-source Quality Engineering projects helped you, consider supporting further development with a small contribution.

❤️

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Bridging Manufacturing Quality & Python Software Systems.