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Full-stack · React / Next.js · AWS Certified

Lalit Saini

Senior Software Engineer building fast, accessible, and scalable web platforms.

Available for senior roles

Full-Stack Senior Software Engineer with 6.5+ years building scalable web applications across healthcare, fintech, and banking. Strong React.js / Next.js expertise with hands-on backend and API work in Node.js, REST/GraphQL, Go, Java/Kotlin, and Oracle SQL — AWS Certified Solutions Architect focused on SSR/SSG, performance, SEO, and production-quality engineering.

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Currently building

Senior Frontend / Full-Stack Engineering

Enterprise Next.js platforms, AEM headless CMS, Core Web Vitals, accessible component systems, and backend API integrations.

6.5+

Years Experience

25–40%

Core Web Vitals Lift

4.2s → 2.5s

LCP Improvement

6+

Global Clients

// Skills

A production-ready stack across frontend, backend, cloud, and testing.

Frontend

React.jsNext.jsTypeScriptJavaScript (ES6+)HTML5CSS3Tailwind CSS

Backend & APIs

Node.jsExpress.jsREST APIsGraphQL / ApolloTwilioGoJavaKotlin

State, CMS & Architecture

React QueryXStateContext APIHeadless AEMLit Web ComponentsComponent Design

Database

Oracle SQLPL/SQL

Cloud & DevOps

AWS CertifiedECS FargateS3RDSAzure DevOpsJenkinsGitHubBitbucket

Testing

VitestReact Testing LibraryJestSupertestCucumber

Tools & Practices

GitCI/CDSonarQubeAgile / ScrumCode Reviews

// Projects

Selected work and open-source case studies.

Personal builds that show how I engineer for production, alongside enterprise platforms shipped across healthcare and fintech.

Open Source · Backend

Node-360 — Production-Shaped Node.js API & Runtime Lab

A runnable Node.js/Express reference project covering production API concerns end-to-end — auth, validation, observability, and runtime internals.

Node.jsExpress.jsJWTZodWebSocketsJest
View case study → Code
Cloud · Infrastructure as Code

DataForge360 — AWS Cloud Data Platform

A multi-service AWS reference architecture deployed with CloudFormation, built to practice secure networking, container delivery, and data ingestion.

AWSCloudFormationECS FargateRDSKinesisFirehose
View case study →
Enterprise · Healthcare

CenterWell Platform — Next.js + AEM Headless Experience

Enterprise-scale healthcare web platform with AEM headless CMS, reusable design-system components, accessibility fixes, and performance tuning.

Next.jsReactTypeScriptAEMLit Web ComponentsGraphQL
View case study →
Enterprise · Healthcare

Healthmine — Multi-channel Communication Workflows

Workflow-driven communication UI for SMS, IVR, and Email with state-machine architecture and backend integration.

ReactXStateReact QueryTailwind CSSNode.jsTwilio
View case study →
Fintech · Telephony

Finvi — Visual IVR Designer Platform

Visual workflow editor that generates telephony scripts and manages graph-based IVR flows.

ReactLitegraph.jsGoREST APIsLogrus
View case study →

// Developer Activity

Consistency in code — GitHub and LeetCode.

Live stats and contribution history pulled straight from GitHub and LeetCode.

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GitHub Repos

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GitHub Stars

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Followers

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LeetCode Solved

— · —

Medium · Hard

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LC Ranking

GitHub Contributions

0 contributions in the last year

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LeetCode Submissions

0 active days · 0 day streak

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// Experience

Enterprise experience across healthcare, fintech, and banking.

Senior Software Engineer

EMIDS Technologies · Noida

Nov 2020 – Present

Humana — CenterWell Platform

Oct 2024 – Present

  • Engineered scalable Next.js + React modules backed by headless AEM content and API-driven search, including geo-filters, pagination, reusable CMS components, and Lit Web Component integration.
  • Converted CSR-heavy pages to SSR/SSG, improving initial rendering, crawlability, and SEO readiness for content-driven healthcare journeys.
  • Improved Core Web Vitals by 25–40%, reducing LCP from ~4.2s to ~2.5s via SSR/SSG tuning, code splitting, dynamic imports, Next/Image, and tree-shaking.
  • Added GraphQL routes for native and third-party data; enforced SonarQube standards with Vitest / React Testing Library coverage.

Healthmine — Web Applications

Apr 2024 – Oct 2024

  • Built XState-driven workflow pages with React Query and Tailwind CSS, integrating backend-driven workflow states and validation rules.
  • Developed 2-way SMS communication with Node.js and Twilio for interactive customer messaging workflows.
  • Worked on Java/Kotlin backend models and Oracle PL/SQL schema updates across SMS, IVR, and Email channels.

Finvi — IVR Designer Platform

Aug 2021 – Mar 2024

  • Built a visual IVR workflow editor with React and Litegraph.js to automate VXML/JavaScript telephony script generation.
  • Developed Go REST services for graph CRUD with Logrus structured logging, supporting DTMF input, call transfer, and payment flow logic.
  • Integrated frontend graph state with backend APIs for persistence, validation, and executable script generation.

Solution Integration Consultant I

FICO CCS · Bangalore

Jan 2019 – Jun 2020

Global Banking Communication Platforms

Citibank · Volkswagen · Nationwide · Ulster Bank · Lloyds

  • Implemented FRM, RIM, and CEM applications for 6+ global banking clients across Voice, SMS, and Email channels.
  • Contributed to Cucumber integration testing, code reviews, release support, and CI/CD deployments.
  • Handled customer-specific configurations, SQL/data validations, and channel-template troubleshooting.

// Education & Recognition

Foundations and the work that got noticed.

Education

MCA — Master of Computer Applications

VIT University, Chennai

2018

BCA — Bachelor of Computer Applications

St. Xavier's College

2016

Recognition

  • Pat on the Back Award — EMIDS Technologies
  • Impact-Obsessed Team Contribution Recognition — EMIDS Technologies

// Credentials

Certifications supporting cloud, AI, and full-stack engineering.

AWS Certified Solutions Architect – Associate (2026–2029)
Generative AI for Software Engineers — LLM, Prompt Engineering, RAG, Vector Databases
GraphQL with Apollo & Express
IBM / Coursera: Python for Data Science, Machine Learning with Python, Data Analysis with Python, SQL for Data Science