Anshu K - Senior Full Stack Engineer specializing in enterprise-scale systems

Anshu K

Senior Full Stack Engineer

Building scalable enterprise systems that handle millions of transactions and serve hundreds of thousands of users.

Payment SystemsScale & PerformanceEnterprise Security
$10M+
Monthly Processing
100K+
Active Users
15+
Enterprise Projects
99.9%
System Uptime
4+
Payment Platforms
9+
Years Experience

My Story

I solve the problems that keep CTOs and founders awake at night. For 9+ years, I've built the backend systems and architectures that power ambitious businesses — from payment platforms handling $10M+ monthly to CRM systems serving 100K+ users to commission engines processing thousands of complex calculations.

My journey started with a simple realization: code is just a tool. What matters is the business problem you're solving. Every architecture decision is made with scale in mind. Every system is built to be secure, maintainable, and performant.

I've led teams, architected enterprise platforms, and mentored developers in best practices. But what drives me is the same thing it always has: solving hard problems and delivering solutions that work reliably at scale.

I'm a problem-solver who understands business challenges and delivers solutions that give teams a real advantage — someone who thinks like an architect, codes like a craftsman, and communicates like a partner.

Core Expertise

Scalable Backend Systems

Microservices • Real-time Systems • High-availability Architecture

Expert: .NET Core, C#, SignalR, Microservices | Proven: PostgreSQL, MongoDB, Redis

Payment & Fintech

Multi-gateway Processing • PCI DSS Compliance • Fraud Detection

Secure processing • PCI DSS Level 1 • PostgreSQL & MS SQL

Business Automation

Commission Engines • CRM Systems • Complex Business Logic

Enterprise workflows • Data processing • Real-time calculations

Cloud & Infrastructure

AWS Lambda • AWS EC2 • Microservices • CI/CD

Auto-scaling • Monitoring • Cost optimization

What I Build

Payment Processing Platforms

Multi-gateway, PCI-compliant payment solutions processing $10M+ monthly with 99.99% reliability

Built 4 platforms

Enterprise CRM Systems

AI-powered CRM with real-time analytics, lead scoring, and sales automation for 100K+ users

5,000+ active users

Commission Engines

Sophisticated commission calculation engines processing complex business logic for 500K+ calculations daily

500K+ daily calculations

E-commerce Platforms

Full-featured e-commerce solutions with inventory management, order processing, and analytics

Multiple deployments

Survey & Review Systems

Real-time survey platforms with data collection, analytics, and comprehensive reporting

Real-time processing

Business Automation

Workflow optimization, integration platforms, and business process automation solutions

Enterprise scale

Professional Journey

2023 — Present

Team Leader

  • Led cross-functional team delivering 15+ enterprise projects
  • Architected AWS microservices platforms handling $10M+ monthly
  • Mentored 8+ developers in scalable architecture & best practices
  • Delivered advanced CRM systems serving 100K+ users
2022 — 2023

Senior .NET Developer

  • Built 4 payment processing platforms with 99.99% uptime
  • Implemented microservices architecture using .NET Core & SignalR
  • Real-time trading systems with high-performance optimization
  • Secure payment processing architecture with PCI DSS compliance
2015 — 2022

Full-Stack Software Engineer

  • Developed 20+ full-stack solutions across multiple domains
  • Commission engines processing 500K+ calculations daily
  • E-commerce platforms with complete inventory management
  • React Native mobile applications with backend integration

How I Approach Projects

Business-First Mindset

I understand the business problem before writing code. What are we solving? Why? For whom? This shapes every architectural decision.

Scalable Architecture

Systems built to scale from day one. Microservices, caching, monitoring, and performance optimization baked in from the start.

Security & Compliance

Enterprise-grade security isn't optional. PCI DSS, encryption, secure practices, and compliance requirements throughout the solution.

Performance Obsessed

Every millisecond matters. I profile, optimize, and measure. Slow systems are broken systems. Performance is a feature.

Clear Communication

Technical excellence + clear communication = success. I explain decisions, document thoroughly, and teach as I build.

Ownership Mindset

I own the code, the quality, the performance, and the results. Not just "delivered" but delivered with pride.

What Sets Me Apart

Enterprise-Scale Mindset

Not just coding, but thinking about architecture, scalability, and long-term maintainability from day one.

Business Problem Solver

I understand your business challenges, not just your technical requirements. The "why" shapes the solution.

Full Project Ownership

From architecture to production to optimization. I own the entire lifecycle, not just coding specific features.

Proven Track Record

9+ years of consistent growth, measurable results, and successful enterprise deployments.

Rare Specialization

Payment systems, commission engines, enterprise automation — not common expertise among developers.

Communication-First Engineer

Clear explanations, thorough documentation, and the ability to explain complex systems simply.

Beyond the Code

When I'm not building systems, you'll find me:

Learning & Staying Current

Following tech trends, reading architecture blogs, and experimenting with new technologies

Problem-Solving Enthusiast

Love tackling complex challenges, especially those at the intersection of business and technology

Technology Enthusiast

Genuinely enjoy building things and seeing them make an impact in the real world

Continuous Improvement Mindset

Always looking for better solutions, optimizations, and ways to deliver more value

Looking for a senior engineer who understands business?

I'm available for:

Full-Time Roles

Growth-stage companies needing senior technical leadership

Technical Consulting

Architecture & scaling advice for existing teams

Contract Work

Critical projects needing senior expertise

Freelance Development

Startups & ambitious projects