Harman Singh Manchanda — Product Manager

Hello there, this is Harman Singh Manchanda (Harry), a Front-end heavy Full Stack Developer. I come up as a developer with substantial front-end web development expertise and considerable back-end API development experience. I also have the react native mobile apps development experience.I hold a Master's Degree in Computer Applications from Amity University and is an AWS Certified Developer Associate from Amazon Web Services (AWS).I have been fortunate enough in my career to work and collaborate with people from diverse backgrounds and nationalities across the globe. The countries of the companies, clients, or colleagues with whom I have collaborated with includes India, the United States, Japan, Australia, Vietnam, Spain, China, and others. I am fully equipped in working across different time-zones as per the team requirements.For knowing me further, please find my details attached:- My Resume (CV): https://www.harrymanchanda.com/cv/resume.pdf- My Portfolio: https://www.harrymanchanda.com/portfolio- My Certificates: https://www.harrymanchanda.com/certificates- Github Profile: https://github.com/IamManchandaIf you are looking to hire me, please connect with me at harry@harrymanchanda.com or harmanmanchanda182@gmail.com

Stackforce AI infers this person is a Full Stack Developer with expertise in Fintech, E-commerce, and SaaS industries.

Location: New Delhi, Delhi, India

Experience: 8 yrs 11 mos

Skills

React.js
Node.js
Aws
React Native
Ruby On Rails
Vue.js
Nuxt.js
Web Development
Javascript

Career Highlights

Expert in Full Stack Development with a focus on React and Node.js.
Proven track record in enhancing user experience and performance.
AWS Certified Developer Associate with extensive cloud experience.

Work Experience

Insight Global

FullStack Developer (9 mos)

Backend Engineer (2 mos)

Career Break (0 mo)

Full-Stack React Developer (3 mos)

Deel

Contractor – multiple roles over time (1 yr 7 mos)

アンター株式会社

Full Stack Software Developer - Web & Mobile Apps (4 mos)

VoicePing

Full Stack Web Developer (1 yr 5 mos)

ZenDev, LLC.

Research Collaborator - Frontend email newsletters (1 yr 1 mo)

Frontend Web Developer (1 yr 4 mos)

Virtual Tools Pty Ltd.

Frontend Web Developer (11 mos)

Career Launcher

Marketing Executive - Frontend Web Development (2 yrs 3 mos)

Education

Executive Post Graduate Programme in Software Development (Specialization: Cloud Computing) at International Institute of Information Technology Bangalore

Master of Computer Applications - MCA at Amity University

Bachelor of Business Administration - BBA at Sikkim Manipal University (SMU)

High School to Senior School (10+2) at Central Board of Secondary Education

All Schooling (1st to 12th Class) at S.S Mota Singh Senior Secondary Model School, Janakpuri

Harman Singh Manchanda

Product Manager

New Delhi, Delhi, India8 yrs 11 mos experience

Key Highlights

Expert in Full Stack Development with a focus on React and Node.js.
Proven track record in enhancing user experience and performance.
AWS Certified Developer Associate with extensive cloud experience.

Stackforce AI infers this person is a Full Stack Developer with expertise in Fintech, E-commerce, and SaaS industries.

Contact

harry@harrymanchanda.com LinkedIn

Skills

Core Skills

React.jsNode.jsAwsReact NativeRuby On RailsVue.jsNuxt.jsWeb DevelopmentJavascript

Other Skills

API DevelopmentAWS AmplifyAWS CloudFormationAWS CloudWatchAWS CodeCommitAWS CodeDeployAWS CodePipelineAWS Elastic BeanstalkAWS Identity and Access Management (AWS IAM)AWS LambdaAgile DevelopmentAmazon API GatewayAmazon CloudFrontAmazon CloudWatchAmazon ECR

About

Experience

8 yrs 11 mos

Total Experience

1 yr 1 mo

Average Tenure

Current Experience

Insight global

4 roles

FullStack Developer

Apr 2025 – Jan 2026 · 9 mos · United States (Remote: India) | Client: PayPal · Remote

PayPal Projects: PayPal Help Center Engineering (PayPal, Venmo)
Enhanced platform code quality by creating, fixing, and optimising Cypress functional tests whereas boosting overall Jest unit tests coverage by 10%
Improved WebRTC WiFi Calling reliability by writing comprehensive functional and unit tests, significantly reducing issues across the Help platform
Reduced errors across the Next.js + React.js PayPal Help codebase by debugging and fixing validation issues, and client-side data handling issues.
Improved Help Center navigation & routing performance by updating route definitions, fixing query parameter issues, implementing 301 redirects to reduce 404/400 errors, and optimising redirections for Venmo Help using Node.js and Next.js
Modernised UI/UX and accessibility by resolving responsive layout issues, fixing pop-up widgets, heading hierarchy, fixing search bar accessibility issues, and adding SEO-optimised alt text resulting in improved performance, accessibility, and UI consistency using React.js, HTML5, CSS3, JavaScript
Enabled scalable & decoupled content delivery by implementing CMS-driven content consumption, integrating Personalisation APIs for tailored user experiences, improving PayPal Assistant conversation starter logic and implementing form integrations from CMS to UI across multiple pages
Designed widget integration POCs for legacy architecture migration, for reusability of existing logic while modernising state management patterns
Migrated and modernised UI components by upgrading the core PP React (PayPal’s internal UI framework) to the latest version, improving maintainability, and transitioning PayPal/Venmo Alerts from static configurations to API-driven React components
Delivered multiple UI variants & feature-flag-driven flows for A/B testing and developed upgraded layouts and new UI flows for multiple helpcenter Pages, ensuring design fidelity and seamless interactions, along with implementing critical SEO controls

Next.jsReact.jsCypressAgile DevelopmentProgrammingJavaScript+12

Backend Engineer

Nov 2024 – Jan 2025 · 2 mos

Neiman Marcus Projects: Neiman Marcus (NM), Bergdorf Goodman (BG) and Horchow
Upgraded multiple micro-services to latest stable runtimes by orchestrating the provisioning and deployment through Terraform-driven AWS infrastructure (utilising Amazon ECS, CloudFormation, Fargate, ECR, ALB, VPC, etc) to enhance consistency, scalability, and performance
Played key role in upgradation of 300+ AWS Lambdas (Node.js, Python) to latest stable runtimes and verified system health via CloudWatch logs
Contributed in successful migration of 55+ Java Lambdas from Amazon Linux 1 to Amazon Linux 2, enhancing stability and maintainability
Streamlined CI/CD processes by migrating 10+ Traditional Jenkins pipelines to EKS Helm Jenkins pipelines enhancing pipeline efficiency and addressing compatibility guidelines for improved performance across multiple environments
Facilitated project communication and updates with cross-functional agile teams during bi-weekly scrum sprints under microservices architecture utilising Atlassian Bitbucket, Jira Stories, Jira Board, and Microsoft Teams, leading to expedited collaboration and accelerated project completion
Note: Neiman Marcus Group is now a subsidiary of Saks Global since Dec, 2024.

Software DevelopmentAmazon CloudWatchJenkinsServerless FrameworkRESTful WebServicesAgile Development+14

Career Break

Oct 2024 – Oct 2024 · 0 mo

Previous project/role completed with objectives achieved thus attended interviews for new potential roles and upon selection, got relocated to a separate team/role but same client, Neiman Marcus.

Full-Stack React Developer

Jun 2024 – Sep 2024 · 3 mos

Neiman Marcus Projects: Bergdorf Goodman (BG) Loyalty & Neiman Marcus (NM) PDP
Achieved a remarkable more then 95% reduction in the Cumulative Layout Shift (CLS) score for Neiman Marcus Product Pages, enhancing user experience and web page stability significantly through CSS and JavaScript code optimisation techniques within the Next.js, and React.js codebase
Developed multiple BG Landing Pages focused on responsive design and call-to-action form submissions to boost user engagement on web and mobile platforms, leveraging HTML, CSS, JavaScript, React, and Redux for improved user interaction and uplift in conversion rate optimisation metrics
Enhanced user login security and efficiency by seamlessly incorporating with existing Amplify & Cognito features for authentication processes
Created responsive and visually engaging web and mobile web interfaces using Figma, ensuring design and development consistency
Constructed BGO Incircle Mini Hub for the BG InCircle Loyalty Program across pages/sections of the Bergdorf Goodman website, including Homepage, product, listing, Cart, and Checkout, by using React.js, Redux, Context API and SASS/SCSS and facilitating API integration utilising Node.js controllers
Ensured high reliability across all features through rigorous testing and quality assurance, such as Postman API tests, and visual frontend testing across diverse environments facilitated by Jenkins pipelines, leading to enhanced bug identification, and improved performance

Software DevelopmentGitWeb DevelopmentBitbucketRESTful WebServicesReact Hooks+17

Deel

Contractor – multiple roles over time

Jun 2024 – Jan 2026 · 1 yr 7 mos · United States (Remote: India) · Remote

Apr 2025 - Jan 2026: FullStack Developer (Insight Global - PayPal)
Nov 2024 - Jan 2025: Backend Engineer (Insight Global - Neiman Marcus)
Jun 2024 - Sep 2024: Full-Stack React Developer (Insight Global - Neiman Marcus)
Note: This is linked with the mentioned Insight Global experience. Payroll & Contractor of Records for the mentioned Insight Global experience facilitated by Deel, Inc.
See https://www.deel.com/payroll/contractor-of-record/

アンター株式会社

Full Stack Software Developer - Web & Mobile Apps

Jun 2023 – Oct 2023 · 4 mos · Japan (Remote: India) · Remote

Antaa Projects: Antaa Slide and Antaa QA
Increased user engagement by 10% by incorporating intuitive features like drag-and-drop file uploads, profile enhancement, and social branding elements using HTML, CSS, Sass/SCSS (CSS preprocessor), Chakra UI, JavaScript, React, which led to enhanced user interaction experiences
Utilised JavaScript, TypeScript, Ruby on Rails, React.js, React Native, Next.js, Node.js, Prisma, MySQL to customise medical profiles functionality
Translated design concepts using Figma for responsive and visually appealing web and mobile interfaces, ensuring consistency across platforms
Improved platform accessibility and utility, with a detail-oriented approach, by refining how information is sorted for Medical Healthcare Slides.
Developed web applications using React.js, whereas developed iOS and Android applications using React Native, ensuring that the web and mobile applications were optimised for user experience across different devices while ensuring a scalable architecture with Prisma and MySQL
Engaged in agile development methodologies, actively participating in regular sprint planning to ensure the ongoing delivery of high-quality features while maintaining transparent and efficient communication with the development team through Slack and Notion
Company Name: アンター株式会社 (Antaa Inc.)

Software DevelopmentGitWeb DevelopmentFull-Stack DevelopmentDocker ProductsRuby+35

Voiceping

Full Stack Web Developer

Aug 2021 – Jan 2023 · 1 yr 5 mos · Japan (Remote: India) | Client: MATRIX · Remote

VoicePing / MATRIX Projects: TravelDX (DOKO DEMO Doors & YouConnect Apps)
Redesigned UI/UX to integrate multi-lingual virtual travel e-commerce functionality, social logins, user signup, event bookings using CSS, SASS/SCSS, Flexbox, JavaScript, TypeScript, Ant Design, React, Redux, Node.js, MySQL, Google Firebase & an array of Amazon Web Services (AWS) cloud services
Engineered both API (BE) and UI/UX (FE, utilising Figma) for homepage, advanced search, profile, bookings, payments to enhance user engagement
Led the development of payment & subscriptions processes leveraging Stripe (Credit Cards, Debit Cards, Points, etc) through API integration
Resolved data consistency issues, identifying query bottlenecks, and implementing advanced indexing strategies with MySQL and Sequelize
Enhanced user interaction on e-commerce app to enable live streaming, event creation, driving increased user engagement and satisfaction
Established admin functionality with role-based and permission-based access control using Node.js, Express.js, MySQL and Sequelize focusing on granular access controls, data security, principle of least privilege, streamlined content management, and real-time data synchronisation
Designed landing pages to showcase app features & enhance user engagement, while integrating community feed for increased user interaction
Built a secure two-factor OTP authentication service using AWS services, including Amazon SNS, to enhance cloud-based functionality, ensuring scalable and reliable authentication processes along with secure data storage, JSON Web Tokens and notification systems for OTP functionality
Enforced Secure API Endpoints utilising strict CORS policies, rate limiting, input validation to mitigate brute force or denial-of-service attacks
Integrated real-time notifications and WebSocket communication into the e-commerce platform, for seamless user interaction and engagement
Contributed to weekly sprints in agile/kanban methodology

Express.jsSoftware DevelopmentCloud ComputingGitWeb DevelopmentFull-Stack Development+34

Zendev, llc.

2 roles

Research Collaborator - Frontend email newsletters

Feb 2020 – Mar 2021 · 1 yr 1 mo · United States (Remote: India) · Remote

ZenDev Project: Friday Frontend
Conducted research for weekly Friday Frontend email newsletters, supplied 100+ article links weekly, with 15+ chosen for publication every week.
Note: This part-time research work was undertaken to fully dedicate myself on my goal to up skill and become a Full Stack Developer.

Frontend Web Developer

Oct 2017 – Feb 2019 · 1 yr 4 mos · United States (Remote: India) | Clients: Get.It, and Virtual Tools · Remote

ZenDev Projects: Get.It & Virtual Tools
Interfaced user-friendly web applications with a focus on cross-device compatibility using JavaScript, Vue.js, Nuxt.js, Vuex.
Created user-interfaces and features for responsive web applications using HTML5, CSS3, SASS/SCSS, Foundation Framework & Tailwind CSS
Implemented a accessible, responsive and mobile-friendly web design to ensure that the projects are accessible from a wide range of devices
Interacted closely with multiple clients to drive project success, improve client satisfaction, and align development with business objectives
Leveraged Vuex for state management in the application, while harnessing Vue.js ecosystem tools such as Vue Router to develop reusablIty

Software DevelopmentGitWeb DevelopmentNuxt.jsRESTful WebServicesMicrosoft Visual Studio Code+18

Virtual tools pty ltd.

Frontend Web Developer

Feb 2019 – Jan 2020 · 11 mos · Australia (Remote: India) · Remote

Virtual Tools Projects: Employer Management, Employee Management, and Time & Attendance Apps
Created user-friendly Web and Mobile PWA software with customisable dashboards, role-based access control, intuitive user experiences and data visualisation, improving employer and employee management as well as time and attendance needs while increasing app performance
Developed visually engaging, responsive web and mobile interfaces using Sketch, ensuring seamless design-development alignment
Amalgamated with PHP developers to seamlessly integrate UI/UX with APIs, for client satisfaction using JavaScript, TypeScript, Vue.js, Vue JSX (React)
Effectively managed application state complexity using modern web development frameworks like Vue.js & Nuxt.js, in conjunction with state management libraries such as Vuex, leading to optimized application responsiveness resulting in reduced loading times
Crafted highly responsive & dynamic user interfaces using web technologies like HTML5, CSS3, & SCSS, in conjunction with design systems such as Foundation Framework, Ant Design & Tailwind CSS, and bundling tools such as Babel, Webpack to elevate user experience in cross-functional projects

Software DevelopmentGitWeb DevelopmentNuxt.jsRESTful WebServicesMicrosoft Visual Studio Code+17

Career launcher

Marketing Executive - Frontend Web Development

May 2015 – Aug 2017 · 2 yrs 3 mos · Delhi, India · On-site

CL Educate Projects: Career Launcher, LawEntrance & CL Educate
Developed high-converting 50+ micro-sites and landing pages, increasing leads generation, user engagements, and SEO rankings
Revitalised UI/UX, optimised performance for all CL core sites and e-commerce platform through dynamic interactivity, functionality, upgrades, and implementing on-page SEO practices while collaborating cross-functionally with marketing, academics, content, and graphic designers
Integrated Java/JSP with HTML, CSS, and JavaScript to enhance feature integration efficiency and ensure timely delivery across multiple projects.
As a Web Developer, co-operated with the marketing team to develop and implement successful marketing campaigns to boost sales conversions
Revamped the company's websites through responsive web design, website maintenance and frontend web development using HTML5, CSS, Bootstrap, JavaScript, jQuery, and Photoshop resulting in enhanced user engagement, increased conversion rates, and improved user experience
Company Name: CL Educate Ltd. (Career Launcher)

Software DevelopmentWeb DevelopmentHTML5JavaScriptProgrammingDebugging+5