Arpit Kumar Tiwari

Senior .NET Full Stack Developer and Software Engineer with 4 years of professional experience designing, building, and delivering scalable enterprise web applications. Proficient in C#, ASP.NET Core, .NET Core, Entity Framework Core, ReactJS, TypeScript, RESTful APIs, and Microservices architecture. Demonstrated expertise in Object-Oriented Programming (OOP), SOLID principles, Design Patterns, and clean code practices.

Currently a Senior Analyst at Capgemini delivering end-to-end feature development for a global e-commerce platform — achieving a 30% uplift in user engagement and 98% frictionless order placement. Adept in Agile and Scrum methodologies, and cross-functional team leadership.

Senior Analyst / Software Engineer at Capgemini Technology Services India Limited (2023-03 – Present)

Full-Stack Application Development [ Software Engineer 2 (Client - DELL Technologies) ]

• Architected and maintained scalable web applications using C#,.NET Core, ReactJS, TypeScript, MongoDB, and Lit Element, serving enterprise clients across multiple geographies.
• Engineered end-to-end e-commerce platform features — from product catalogue to order fulfilment — enhancing performance and elevating the overall user experience.
• Developed and optimized RESTful APIs with clean separation of concerns, improving system maintainability and reducing integration overhead.
• Conducted weekly application health assessments across global regions using Power BI, analysing key performance indicators including Time to Interactive (TTI), Time to First Byte (TTFB), browser performance, operating system performance, and user experience metrics to proactively identify and address performance bottlenecks.
• Partnered with QA engineers, UX designers, and product managers in Agile/Scrum sprints to deliver tailored technical solutions aligned with client business objectives.
• Engaged directly with global clients to gather requirements, translate business needs into technical specifications, and present delivery updates.

Analyst at Capgemini Technology Services India Limited (2022-11 – 2023-03)

Full-Stack Application Development - (Client - DELL Technologies)

• Created a one-stop application management platform using ASP.NET and ReactJS, providing centralized visibility into service health, performance, errors, deployments, and environment configurations.
• Aggregated and transformed data from disparate monitoring and operational tools into intuitive dashboards, reducing time spent locating critical application insights.
• Enabled proactive application management through service version comparisons, feature flag administration, error analytics, and integrated access to production support resources.
• Led code reviews and mentored developers, promoting clean coding practices, maintainability, and consistent development standards.

Internship Trainee at Capgemini Technology Services India Limited (2022-01 – 2022-03)

• Built end-to-end web applications — including a car rental system and a movie management platform — using ASP.NET MVC, HTML, CSS, and JavaScript with responsive design for both user and admin interfaces.

B.Tech in Computer Science & Engineering – Kalinga Institute of Industrial Technology (KIIT) (2018 – 2022)