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Riju Eyyappally.

Building Scalable Software  |  Leading Engineering Excellence  |  AI Transformation

Senior Software Engineer and Tech Lead with 15+ years of experience architecting and delivering enterprise-grade distributed systems, cloud-native applications, and mission-critical platforms across finance, utilities, manufacturing, travel, and e-commerce. Combining deep engineering expertise with solution architecture, technical leadership, and project management.

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15+
Years Experience
4+
Industries
6
Companies
Riju Eyyappally
About Me

More than a career, a calling.

Senior Software Engineer and Tech Lead with 15+ years of experience building enterprise platforms, distributed backend systems, and high-volume processing solutions across finance, utility, manufacturing, and e-commerce domains.

Specialized in C#, .NET, cloud-native backend development, distributed processing, API integrations, and high-availability backend platforms. Experienced in leading engineering initiatives, platform modernization, system reliability improvements, and scalable architecture design.

Today, I'm expanding beyond software engineering into Artificial Intelligence, Product Thinking, and Project Management, preparing for the next generation of technology leadership.

🏆 Reduced Loancare RPA maintenance effort by 30% through platform modernization at FNF.
⚡ Designed and delivered greenfield invoice processing platforms handling millions of transactions.
🎉 Multiple "Pat on the Back" awards for engineering excellence at Fidelity National Financial.
🌟 Best Performer recognition at Siemens for rebuilding the SCADA 2015 test layer interface.

Currently focused on

🏠
Distributed Backend Systems & Platform Engineering
🤖
Artificial Intelligence & AI Integration
📋
Project Management (PMP)
💡
Product Strategy & Leadership
What I Do

Building reliable software, end to end.

⚙

Distributed Backend Systems

Designing fault-tolerant, high-volume processing platforms with event-driven architecture, message queues, async pipelines, and auto-scaling workers built for millions of transactions.

🏛

Enterprise Software Development

Building secure, scalable enterprise applications using C#, .NET Core, ASP.NET Core, and modern Microsoft technologies for finance, utility, and manufacturing domains.

☁

Cloud-Native & API Integration

Developing cloud-native applications on Azure with Docker, microservices, Keycloak auth, REST APIs, API gateways, and SFTP-based enterprise integrations.

👥

Technical Leadership & Mentoring

Leading architecture discussions, Agile delivery, code reviews, and cross-functional engineering teams. Aligning technical solutions with business and operational goals.

Professional Experience

15+ Years of Delivery.

Delivering enterprise software solutions across international teams and diverse industries, always focused on quality, scalability, reliability, and lasting engineering value.

Senior Engineer (Tech Lead)
EG DK, Nordic Electricity Billing & Invoice Management
Feb 2025 – Present
  • Leading technical initiatives for Nordic electricity billing and invoice management platforms, including architecture, Agile delivery, mentoring, and code reviews.
  • Designed fault-tolerant processing using poison queues, resilient error handling, and auto-scaling worker architecture to improve peak-load invoice throughput.
  • Improved scalability and operational stability for invoice pipelines handling millions of transactions through async and event-driven processing.
  • Contributed to EG Flow greenfield platform development across document management, invoice pipelines, and workflow orchestration.
.NET Azure Redis Cache Docker Microservices Keycloak Event-Driven Architecture SFTP Integration
Senior Software Engineer
Fidelity National Financial (FNF), Enterprise Financial Systems
Jan 2019 – Feb 2025
  • Led redesign and modernization of the Loancare RPA platform, reducing maintenance effort by 30% and improving operational stability.
  • Designed and developed scalable backend services for enterprise financial applications supporting large-scale operational and business-critical workflows.
  • Focused on production stability, performance optimization, and reliability for systems used by operational and call center teams.
  • Collaborated with stakeholders on technical solutioning, workflow improvements, and engineering best practices.
C# .NET Web API SQL Server Performance Optimization Production Support
🏆 Multiple "Pat on the Back" Awards for Engineering Excellence
Senior Software Engineer
Robert Bosch, Manufacturing & Industrial Automation
Sep 2016 – Nov 2018
  • Designed and developed enterprise applications for manufacturing and industrial automation using C#, WPF, MVVM, Azure, WCF, Python, Django.
  • Contributed to Industry 4.0 and IoT-based industrial automation solutions involving telemetry, analytics, parallel programming, and multithreading.
  • Performed code reviews, mentoring, and participated in Agile development and delivery.
C# WPF / MVVM Azure WCF Python Django SQL Server Oracle 11i Industry 4.0
Senior Systems Engineer
Siemens, Industrial Automation
Sep 2014 – Sep 2016
  • Developed enterprise industrial automation applications and test layer interfaces using C#, WPF, and MVVM.
  • Participated in code reviews, Agile delivery, and business partner interactions.
C# WPF / MVVM Agile
🏆 Best Performer, SCADA 2015 Test Layer Interface Rebuild
Software Engineer
TVS Infotech, Manufacturing & Industrial Automation
Dec 2012 – Sep 2014
  • Developed manufacturing and industrial automation applications using WPF, WCF, C#, and SQL Server.
  • Collaborated directly with clients to understand business requirements and deliver enterprise solutions.
C# WPF WCF SQL Server
Software Engineer
ITB Technologies, Travel, E-commerce & Manufacturing
Nov 2010 – Dec 2012
  • Developed web and desktop applications across travel, tourism, e-commerce, and manufacturing domains using ASP.NET, C#, JavaScript, WPF, and Web Services.
  • Collaborated directly with clients to gather requirements and deliver customized solutions.
ASP.NET C# JavaScript WPF Web Services SQL Server
Technical Skills

The full stack of expertise.

Backend & Platforms
C# .NET Core ASP.NET Core Web API WPF WCF Microservices
Cloud & DevOps
Azure Docker CI/CD Azure DevOps GitHub
Distributed Systems
Redis Cache Message Queues Event-Driven Architecture Background Jobs Async Processing Queue-based Processing
Architecture & Engineering
System Design Scalability Fault Tolerance Load Balancing Performance Optimization Platform Engineering
Databases
SQL Server PostgreSQL Oracle 11i Entity Framework DB Performance Optimization
Security, Integration & Methods
Keycloak REST APIs API Gateway SFTP Integration Auth & Authorization Python JavaScript Agile / Scrum Jira
Current Learning Journey

Always growing.

I strongly believe that continuous learning is the key to staying relevant. Every certification is not just a credential. It represents another step toward becoming a better engineer and future technology leader.

🤖

Artificial Intelligence

📋

Project Management (PMP)

🎯

Product Strategy

🌟

Leadership

📊

Data-Driven Decisions

"The best engineers are perpetual students. The technology landscape shifts too fast for anyone to coast on what they already know."
Featured Projects

Things I've built.

Project 01

EG Flow Platform

EG DK, Nordic Electricity Billing

Greenfield invoice processing platform for Nordic electricity billing. Designed and built fault-tolerant processing pipelines with poison queue handling, resilient error recovery, and auto-scaling worker architecture. The platform handles millions of transactions with high availability and operational stability.

Impact: Millions of invoices processed. Peak-load throughput significantly improved with fault-tolerant design.
.NET Azure Redis Cache Docker Microservices Event-Driven Keycloak SFTP
Project 02

Loancare RPA Platform

Fidelity National Financial

Led the redesign and modernization of the Loancare RPA platform used by operational and call center teams across large-scale financial workflows. Modernization improved supportability and day-to-day business efficiency.

Impact: 30% reduction in maintenance effort. Multiple engineering excellence awards.
C# .NET Web API SQL Server RPA
Project 03

CO.Society

Personal Project

A digital platform for cooperative societies that manages members, meetings, deposits, loans, finances, reports, and administration through a modern web application.

Blazor ASP.NET Core PostgreSQL Azure
Project 04

Industry 4.0 / IoT Solutions

Robert Bosch

IoT-based industrial automation solutions involving telemetry, analytics, manufacturing workflows, parallel programming, and multithreading. Built desktop and cloud applications for production-line monitoring and automation.

C# WPF Azure Python IoT Industry 4.0
Philosophy

What I believe in.

Simple
Reliable
Human-Centered
Ethical
Built for Long-Term Value
The best software isn't the one with the most features, it's the one that genuinely helps people.

I believe technology should be a tool for human empowerment, not a burden. Every line of code I write is guided by that principle.
Beyond Technology

Curiosity drives everything.

Outside of software development, I enjoy learning about emerging technologies, product strategy, football, and exploring innovative ideas that can become impactful products.

Curiosity is not just a trait. It's the engine behind everything I do, both inside and outside of work.

Emerging Tech Product Strategy Football AI Research Innovation Continuous Learning
Stay
Curious.

The moment you stop asking "why" and "what if". You stop growing. I never plan to stop.

Let's Connect

Let's build something great.

I'm always interested in discussing technology, AI, software architecture, product development, and exciting new opportunities. Whether it's collaboration, consulting, or simply exchanging ideas. I'd be happy to connect.

✉
Email
rijuep@gmail.com
👥
LinkedIn
linkedin.com/in/rijuep
Send a Message