Kapil Raghuwanshi

Software Engineer

Bengaluru, Karnataka, India10 yrs 9 mos experience
Most Likely To SwitchAI ML Practitioner

Key Highlights

  • Led development of AI agents for enhanced operational efficiency.
  • Mentored over 500 aspiring engineers in web development.
  • Achieved significant improvements in payment processing for Ola.
Stackforce AI infers this person is a Full-Stack Engineer with expertise in E-commerce and Fintech solutions.

Contact

Skills

Core Skills

Full-stack DevelopmentArchitectural DesignAgentic Ai DevelopmentWeb DevelopmentHybrid Mobile App Development

Other Skills

JavaScriptSystem DesignReact.jsNode.jsProblem SolvingLarge Language Models (LLM)Retrieval-Augmented Generation (RAG)KubernetesMicrosoft AzureDockerLangChainLanggraphGrafanaMongoDBMjml

About

Be fearless🦁 in the pursuit of what sets your soul on fire!⚔ I’m a Senior/Staff Frontend-heavy Full-stack Engineer and Solution Architect who loves transforming complex ideas into simple, scalable, and high-performing user experiences. Over the past few years, I’ve designed and delivered large-scale frontend systems — focusing on UI performance, Modular architecture, Accessibility, Engineering and Operational excellence. My core strength lies in problem-solving at scale — from debugging rendering bottlenecks to architecting systems that make development faster, safer, and more reliable. šŸ’” What I Do Best: - Architect React + Node based ecosystems with all capabilities. - Design and maintain Design Systems & UI platforms that ensure consistency and speed across global teams. - Champion performance budgets, accessibility (a11y), and code modularity for long-term scalability. - Collaborate cross-functionally with backend, product, and design teams to align tech decisions with business outcomes. Recently, I’ve been leading, building an AI Agent using GenAI and LLM integration with our systems (LangChain, MCP, RAG, LangGraph, Agentic) to create intelligent, adaptive agents — removing the grunt work and making the processes faster. Agents who think, do action using Tooling not just match with Knowledgebase (RAG). Beyond building, I’m passionate about mentorship and leadership. I actively coach engineers on system design, clean architecture, and performance thinking, helping them grow from task executors to technical thinkers. Outside work, I’m a public speaker, tech writer, and mentor, having delivered 100+ live sessions, trainings, and podcasts with platforms like Masai School, AlmaBetter, Crio.Do, UpGrad, SkillLync, and Bosscoder Academy, sharing my experiences through Tech Talks, YouTube, and blogs under Tech Monk Kapil. My articles on System Design, Frontend Architecture, and Developer Growth have reached over 150K+ readers. I believe great engineering isn’t just about shipping features — it’s about crafting experiences, elevating people, and engineering trust at every layer. #Frontend #Architecture #SystemDesign #Leadership #agenticAI #ReactJS #JavaScript #TypeScript #NodeJS #RAG #GenAI #LangChain #LLM #AI #MCP #engineering #UI #programming #Mentorship #SoftwareArchitecture #EngineeringExcellence #datastructures #algorithms #JavascriptMonk #FrontendMonk #TechMonkKapil #BeATechMonkšŸ§˜ā€ā™‚ļø

Experience

10 yrs 9 mos
Total Experience
2 yrs 1 mo
Average Tenure
3 yrs 5 mos
Current Experience

Walmart global tech india

Senior Software Engineer (IN4)

Dec 2022 – Present Ā· 3 yrs 5 mos Ā· Bengaluru Ā· Hybrid

  • Adding features to Walmart's Global communication platform serves Walmart customers worldwide, sending ~80 million messages per day (Daily traffic) and ~2 billion Comms per month, used by 200+ Internal Teams.
  • Leading a group of 5-6 Devs and 2-3 QE Engineers for Big initiatives using React, Node which impacts to all Walmart US/Intl Customers like Add to Calendar, Spanish Translations (i18n feature), Theme Management, Walmart Branding (New Indigo Blue), Theft Mitigation, Major Appliances, Tracking/Managing Cloud Cost, Handling Annual Holiday Events along with numerous RTBs like Improving D.O.R.A metrics, imposing Code/PR guidelines, Migration of CICD pipelines/jobs etc.
  • Currently designing and developing Gen AI LLM Agent for our team to help with onboarding, support, and various operations. Live with RAG(OpenAI Embeddings, Vector DB - Milvus DB), multiple Tools using LLM, LangGraph Agentic Framework (LangChain).
  • Designing Architecture for various features/initiatives with all the minute details, high-level tasks, LOEs, after discussing with various stakeholders like Product, Program, UX, Content, and Business teams. Leading Quarter ATL/BTL for initiatives, Sprint planning, and weekly Prod Releases as well. All acts as a crucial part of basic OLC flows of Walmart.com and Walmart Apps, hence resulting in multi-million USDs.
  • Developing and improving various communication channels like Email, SMS, and Push, which touch 250 million customers every week. Part of various org-level initiatives where customer experience is focused through the retail shopping journey. Currently enhancing the multilingual experience for Walmart customers across websites, apps, and comms.
  • Won 5 Bravo Awards for delivering high-value Business Initiatives/RTBs. Also, mentioned as Top performers of the quarter FY25Q2, FY25Q3. Built Event-Scheduler and won the Hackathon organized by Walmart Post Purchase group!
  • Grooming and mentoring Engineers within the organization through various programs.
JavaScriptAgentic AI DevelopmentFull-Stack DevelopmentArchitectural DesignSystem DesignReact.js+15

Almabetter

Software Development Instructor & Mentor

May 2022 – Nov 2022 Ā· 6 mos Ā· Bengaluru Ā· Remote

  • Web Development Instructor teaching JavaScript core concepts, Browser quirks, front-end hacks, Data Structure, and basic Algorithms along with standard software development processes to 500+ aspiring students and experienced folks.
  • This involves live instructor lead training (100+ live hours), content addition, doubt resolution, etc to create more Full Stack Developers with Web3 skills.
  • Acting as mentor and coach to guide students getting ready for their first job in the tech industry or experienced folks to switch to jobs of their interest.

Ola

Software Development Engineer-2

Oct 2021 – Dec 2022 Ā· 1 yr 2 mos Ā· Bengaluru, Karnataka, India Ā· On-site

  • Awarded as Most Valued Player (MVP) in latest appraisel. Offered SDE-3 role at exit.
  • 1) Facilitated millions of Ola Cab users(~2 million per day bookings) in India with alternate Digital Payment options to pay by Paytm wallet, PhonePe wallet, and Amazon Pay wallets.
  • 2) Helped Ola in achieving an enormous increase in Cashless payments from 20.6% to ~45% in just 6 months after adding new Wallets, and UPIs as payment instrument options.
  • 3) Started Payment Unification to build multi-platform SDK (includes React Native and React Native for Web) using gRPC to hit multi apps, servers to support all verticals of Ola group like Ola Electric, Insurance, Dash, Foods, and Ola Cars etc.
  • 4) Led a team of 4 developers and developed an SDK that supports the entire payment flow with more than 6 Payment Instruments in Ola group.
  • 5) Involved in regular and frequent Tech solutions, Design discussions with Product, Design UX team, Engineering Leads, Android and iOS native teams, QA, and Security teams along with 3rd party payment integration companies like PayU, JusPay, Paytm, etc.
  • 6) Cab Driver Accounting - 4W/3W/2W, revamped the entire portal to depict clear metrics to Driver-partners, localization support in 10 Indian languages, instrumentations and fluid UI with better Driver partner Experience. Launched features city wise leading to PAN India rollout.
  • 7) Allocation Portal - Tried using latest Nuxt3 with Vue.js 3 for better SSR in our in-house Web Framework which powers all PWAs and Full Websites for Ola group.
User InterfaceReact.jsWeb TechnologiesHybrid Mobile App DevelopmentNode.jsFront-end Development+3

Crio.do

Web Development Instructor

Jul 2021 – Sep 2021 Ā· 2 mos Ā· Bangalore Urban, Karnataka, India Ā· Remote

  • 1) Teaching the core fundamentals of JavaScript, Web Development, and Mentoring to 200+ final year students and fortune 500 company professionals to upskill in a career through a course curated by the EdTech company CrioDo.
  • 2) The curriculum involves instructor-led live classes, detailed explanation of the fundamental concepts with illustrated activities, homework exercises, and doubts resolution sessions.

Epsilon

Software Engineer 2

Oct 2019 – Oct 2021 Ā· 2 yrs Ā· Bengaluru Area, India Ā· Hybrid

  • Developing digital marketing products for fortune 100 clients for their smooth onboarding to Epsilon's marketing product suites.
  • 1) Building breathtaking advertisement products where we capture images from videos and overlay different images based on Customers’ shopping preference to the same video used for web and app advertisements.
  • 2) Increased portal speed by 15% after offloading heavier components which involve lots of data manipulation to Gateway from Client.
  • 3) Implemented efficient Changelog integration with Kafka and Elasticsearch to enhance changelog functionalities for all client modules. Got awarded for the same.
  • 4) Using the latest TypeScript in both Frontend and micro-services architecture-based TS.ED for Backend APIs to build a robust and scalable platform that is accessible to clients for the creation and publishing of various advertisements.
  • 5) Working as a Full-stack JavaScript developer using Angular 10, ExpressJs, KnexJs, and Postgres database with Dockerized containers while pushing data to Kafka Messaging Queue. And meanwhile participating in Agile/Kanban-based SDLC and CI-CD to achieve and strengthen our ongoing development-deployment process.
Elastic Stack (ELK)Angular 2Full-Stack DevelopmentDatabase DesignNoSQLJavaScript+2

Cognizant

Associate - Projects

Jul 2018 – Sep 2019 Ā· 1 yr 2 mos Ā· Bengaluru Area, India Ā· On-site

  • 1) Developed Web solution for largest Pharmacy Benefit Management Company "Express Scripts" in US/Canada on Agile methodology. Responsible for Canada’s product development. This Web Solution is directly used by the client to serve the millions of active users for their Healthcare needs. Worked mainly on ā€œPharmacyā€, ā€œMental Healthcare and Visionā€ modules.
  • 2) Responsible for the development of high-end customer-centric Hybrid Mobile application (Android and iOS) and responsive Web application for Healthcare sector client BCBSMA based out of MA, USA. This application is used by more than millions of people for their healthcare needs varying from insurance, claims, and doctors to medications. Worked on mostly ā€œFind A Doctorā€ and ā€œMy Financialsā€ modules.

Tata consultancy services

2 roles

System Engineer

Promoted

Aug 2016 – Jul 2018 Ā· 1 yr 11 mos Ā· Gandhinagar, Gujarat, India

  • 1) Developing rich UI high-end responsive Web and Mobile application for complex and multiple dataset projects of US giant telecom company - Comcast Cable and Communications based on Agile methodology for Operational Intelligence in Revenue Assurance domain which is assuring 100s of million US$ from across US market.
  • 2) "Hybrid App Development" - Using Ionic and Apache Cordova framework, I am currently programming using Typescript on Angular 4/5 for developing an application that depicts the system’s overall health in form of Key Performance Indicators (KPIs) with extensive features like real-time data charts and notifications for threshold breach on the overall live ecosystem. Primarily for the Android mobile platform and Browser now.
  • 3) "Courtesy NextGen" – Redesigned new optimized accounts matching algorithm using Pentaho ETL from 0(n^2) to 0(n*log*n) to make Comcast Courtesy customers experience better of the process. Got several Client direct appreciations for this task.

Assistant System Engineer

Jun 2015 – Jul 2016 Ā· 1 yr 1 mo Ā· Gandhinagar, Gujarat, India

  • Usage-Based Billing – Using Ionic and Apache Cordova framework, I have developed an application that depicts the system’s overall health in form of Key Performance Indicators (KPIs) with extensive features like real-time data charts with Chart.js and C3/D3.js. and notifications for threshold breach on the overall live ecosystem. Primarily for Android mobile platform and Browser then.

Indoroots.com

Web Developer Intern

Mar 2015 – May 2015 Ā· 2 mos Ā· New Delhi Area, India Ā· Remote

  • Indoroots Craft is an online shop to buy paintings and Indian handicrafts. I worked in shifting the e-commerce website for the United kingdom as Indoroots.co.uk in domain and server with all possible changes currency in Euro, Pound, Dollar, Rupees, etc. Assisted in Paypal payment gateway integration. Also, worked to make it a Responsive website and in Search Engine Optimization(SEO).

Education

Rajiv Gandhi Prodyogiki Vishwavidyalaya

Bachelor of Engineering (B.E.) (Honors) — Computer Science

Jan 2011 – Jan 2015

Shanti Niketan Montessory Senior Secondary School, Narmadapuram, MP

12th (Honors)

Jan 2006 – Jan 2010

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