Arjun Selvaraj
Senior Software Engineer
Schwetzingen
Summary
- Senior Software Developer with 13+ years of expertise in C#/.NET, enterprise architecture, and DevOps practices. Domain expertise in Manufacturing, Procurement, Healthcare, Retail and EdTech.
- Proven ability to deliver scalable solutions: 30-40% SQL performance optimization, standalone microservices, AI-powered features.
- Strong ability to quickly master and apply new concepts, excellent communication and analytical skills.
- Proficiency in Software Development Life Cycle (SDLC) and AGILE methodologies of development process such as requirement analysis & definition, prototyping, proof of concept, designing, coding, testing and implementation.
- Extensive experience in Core C#, ASP.Net MVC 5.0, Web services, front-end technologies like HTML5, CSS3, JavaScript, AJAX, JQuery, Kendo UI controls and other JavaScript libraries (jQuery, Angular Js, React js, and Bootstrap 5).
- Extensive experience in system analysis, design and development and testing of web applications using Microsoft .NET Technologies including .NET Framework C#;ASP.NET, VB.NET, ADO.NET Entity, WPF, AJAX, MVC, Razor, etc.
- In-depth understanding and experience in writing complex Database Queries, Stored procedures, Views, Indexes in MS SQL Server, MySql and PL/SQL.
- Team Lead: Led 4-person engineering team through transition; stabilized critical application with zero negative stakeholder impact.
- Hands on experience in DTS, ETL, Creating Jobs, Packages, and Reporting Services (SSRS), Integration Services (SSIS), Analysis Services (SSAS) on SQL Server Database.
- Proven capability to work independently on complex projects and collaboratively in cross-functional teams.
- Hands-on experience with Azure Data Factory (ADF).
Overview
3
3
Languages
1
1
Certification
18
18
years of professional experience
Work History
Senior Backend Developer
Funke Works
01.2024 - Current
- Architected and deployed standalone email distribution service using .NET Core and Razor Light framework, eliminating email loss and delays during deployment/downtime.
- Implemented OpenAI API integration for automated job description generation on educational portal, delivering significant value to customers and streamlining recruitment workflows
- Conducted architectural discussions and decisions to develop scalable, maintainable solutions aligned with business objectives.
- Managed sprint backlogs and Scrum implementation, improving team productivity and project delivery, fostering knowledge sharing and skill development.
- Led Bootstrap 5 design upgrade, improving user experience and modernizing UI framework
- Performed code reviews to enhance code quality and ensure adherence to best practices
- Mentored team members and new joiners on technical best practices and frameworks
Professional 2 Application Delivery
DXC Technology
11.2010 - 03.2023
- Optimized SQL query performance on high-load manufacturing reporting and monitoring system, achieving 30-40% reduction in query execution time—critical for real-time data processing at scale
- Led 4-person engineering team through complete transition when existing team departed; assumed full ownership and stabilized application with zero negative impact to stakeholders
- Championed DevOps practices, enhancing deployment and optimizing infrastructure for improved scalability
- Designed and developed multiple standalone reporting applications to fulfill stakeholder requirements across manufacturing, procurement, supplier relationship, and healthcare domains
- Trained and mentored new joiners and engineers on technical frameworks and process-oriented skills, fostering team competency
- Managed legacy application transitions and system upgrades, maintaining zero downtime to ensure uninterrupted operations
- Supported 24/7 production environments with rotational support activities
Software Programmer Analyst
Cognizant Technology Solutions
06.2008 - 10.2010
- Developed web-based invoice processing application, enhancing efficiency in retail transactions.
- Refined and optimized the SQL query for TAT (Turnaround Time) calculation, improving accuracy and eliminating data leakage.
- Gathered functional requirements, translating them into technical designs to ensure alignment with business needs.
- Built Windows and Console applications to automate business processes, improving operational workflows.
Education
Bachelor of Engineering - Computer Science
Anna University
India 04.2001 -
Skills
Languages & Backend: C#, ASPNET Core, ASPNET, VBNET, Web Services, Web APIs, ADONET
Frameworks & Templating: Entity Framework (EF), Razor Light, NET Core, Bootstrap 5
Databases: SQL Server, MSSQL, MySQL, Oracle
Cloud technologies
Cloud & DevOps: Azure Data Factory (ADF), Azure Fundamentals (certified), Docker (containers, images, compose), Active Directory
Data & Reporting: SSRS (SQL Server Reporting Services), SSIS (SQL Server Integration Services)
Microservices architecture
Content Management & APIs: CMS, Cloudinary Image API, OpenAI API, Telerik, iTextSharp
Code Management & CI/CD: Bitbucket, Jira, GitHub Actions, TFS
Frontend & Libraries: Reactjs, Nodejs, Express, Router, Axios, Angularjs, HTML, CSS
Methodologies: Scrum, Agile
Design & Collaboration: Figma
Certification
Microsoft Azure Fundamentals (AZ-900)
Accomplishments
- Cognizant Technology Solutions: Spot award for TAT Calculation implementation
- Cognizant Technology Solutions: Spot award for TAT Calculation implementation.
- DXC Technology: Best Performer of Month – SQL query performance tuning.
- DXC Technology: Best Leadership Award – managing multiple projects across teams and regions.
- DXC Technology: Best Teamwork Award – delivered multiple projects within timeline without impacting regular support.
- DXC Technology: Best Performer of Year (Multiple instances).
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Languages
English
Advanced (C1)
German
Beginner (A1)
Tamil
Bilingual or Proficient (C2)
Timeline
Senior Backend Developer
Funke Works
01.2024 - Current
Professional 2 Application Delivery
DXC Technology
11.2010 - 03.2023
Software Programmer Analyst
Cognizant Technology Solutions
06.2008 - 10.2010
Bachelor of Engineering - Computer Science
Anna University
04.2001 -