8+ years · Full Stack · AI Engineering

Hi, I'm Rakesh Lanjewar.

Senior software engineer building scalable full-stack systems on Node.js, NestJS and Vue, with production AI-agent integrations — currently at Sanofi.

Hyderabad, India rakesh.sakoli@gmail.com
01.

About me

Senior Software Engineer with over 8 years of experience specialising in scalable full-stack architecture (Node.js, NestJS, Vue 3) and Agile methodologies. Proven expertise in integrating AI capability into production applications, utilising autonomous AI agents, advanced prompt engineering, and Test-Driven Development (TDD) to automate complex engineering workflows. Strong proficiency in relational database design (PostgreSQL) and translating intricate requirements into high-performance, intelligent systems that drive operational efficiency and business success.

I care about code that ships — measurable test coverage, cloud architecture that scales, and AI systems that actually automate work instead of demoing it. Outside code I'm a contributor to open source and an AWS Cloud Practitioner.

Rakesh Dhanraj Lanjewar, Full Stack Developer
Experience8+ years
LocationHyderabad, India
CurrentlySanofi Healthcare
CertificationAWS Cloud Practitioner
LanguagesEnglish · Hindi · Marathi
01

Scalable Architecture

Serverless AWS (ECS/Fargate, SQS, S3) powering GxP-compliant pharma platforms.

02

AI in Production

Autonomous agents, MCP servers and LangChain prototypes automating engineering workflows.

03

Full-Stack Craft

NestJS, GraphQL, TypeORM and Vue 3 — clean, tested, maintainable systems.

02.

Skills

Languages

TypeScriptJavaScriptPythonPHPRuby

Frontend

ReactNext.jsVue 3React NativeFlutterTailwind CSS

Backend

Node.jsNestJSExpressJSRuby on RailsLaravelGraphQL (code-first)

Data & Infra

PostgreSQLMongoDBRedisRabbitMQMicroservicesDocker

Cloud & DevOps

AWS (EC2, ECS/Fargate, S3, SQS)CI/CDGitGitHub Actions

AI & Testing

AI AgentsLangChainMCP serversPrompt EngineeringE2E & Unit TestingTDD
03.

Selected projects

Cloud · ComplianceSanofi

GxP Pharma Platform

Serverless AWS infrastructure (ECS/Fargate, SQS, S3) powering GxP-compliant pharmaceutical projects with 100% on-time delivery. High-performance platform on NestJS, GraphQL, TypeORM and Vue 3.

NestJSGraphQLTypeORMVue 3AWS
AI AgentsSanofi

AI Engineering Workbench

Custom MCP servers and LangChain prototypes that automate complex engineering workflows — boosting engineering productivity with autonomous agents and prompt engineering.

AI AgentsLangChainMCPNode.js
Web3Tech Alchemy

NFT Marketplace

End-to-end development of an NFT marketplace on a NestJS, Nx and React platform, backed by custom Node.js / Temporal.io indexers syncing real-time Polygon data.

NestJSNxReactWeb3Temporal.ioPolygon
HealthTechAvegen

HealthMachine

Drove test coverage from 60% to 90% to secure production deployments, and modernised a legacy web + mobile codebase across NestJS, Node.js, Rails, React and React Native.

NestJSRailsReactReact Native
E-commerceAl Adil Trading

adilstore.com

Maintained and scaled a retail e-commerce platform — Flutter mobile apps with Python backend microservices, plus data integration between MS Dynamics GP and GoFrugal.

FlutterPythonMicroservices
EdTechGlobal Education

Raisoni Admission Portal

Core architecture for a university admission portal securely processing 1,000+ applications, while modernising 15+ PHP institutional sites to cut load times by 50%.

PHPMySQLWeb
04.

Experience

Full Stack Developer · Sanofi Healthcare India Pvt. Ltd. Jul 2024 — Current
Hyderabad, India
  • Scalable Architecture — Built reliable serverless AWS infrastructure (ECS/Fargate, SQS, S3) to support GxP-compliant pharmaceutical projects with 100% on-time delivery.
  • AI Integration — Boosted engineering productivity by creating custom MCP servers and LangChain prototypes to automate complex tasks.
  • Full-Stack Development — Developed a high-performance platform using NestJS, GraphQL, TypeORM, and Vue 3.
  • Modernization & Security — Upgraded to Node.js 22 and Vue 3, refactoring legacy code to fix 90% of security vulnerabilities.
SDE-2 · Tech Alchemy Studios Pvt. Ltd. Jun 2023 — Jun 2024
Pune, India
  • Web3 Infrastructure — Built custom Node.js and Temporal.io indexers to sync real-time Polygon data, integrated into a robust NestJS, Nx, and React platform.
  • App Optimization — Improved performance and reliability using TanStack Query, Web3 frameworks, and Docker-based AWS deployments.
  • Technical Leadership — Led the end-to-end development of an NFT marketplace.
Senior Software Engineer · Avegen India Pvt. Ltd. Dec 2021 — Jun 2023
Pune, India
  • Championed testing best practices for HealthMachine, driving test coverage from 60% to 90% to secure production deployments and minimise regressions.
  • Modernized legacy web and mobile codebases using NestJS, Node.js, Ruby on Rails, React, and React Native to improve overall system stability.
  • Authored comprehensive architectural documentation, establishing a centralised knowledge base that accelerated onboarding for new engineering hires.
Senior Software Engineer · Originating Motion Software Solutions Pvt. Ltd. Jan 2020 — Dec 2021
Remote, India
  • Served as Technical Lead & SME for cross-functional teams, bridging stakeholders and engineering to successfully deliver 3 high-priority projects.
  • Architected scalable full-stack applications using Node.js, NestJS, Next.js, React, and Laravel, optimising development lifecycles.
Software Engineer · Al Adil Trading Co. LLC Aug 2018 — Dec 2019
Dubai, UAE
  • Engineered seamless data integration between MS Dynamics GP and GoFrugal within a strict 2-month timeline.
  • Maintained and scaled adilstore.com, utilising Flutter for mobile apps and Python for backend microservices.
PHP Developer (Internship) · Global Education Ltd. Jul 2017 — Apr 2018
Nagpur, India
  • Developed core architecture for the Raisoni Group admission portal, securely processing 1,000+ applications while modernising 15+ PHP institutional websites to improve page load speeds by 50%.
05.

Education & Certifications

2022-12

Master of Science — Data Science: Computer Science

Chandigarh University, Punjab

2018-07

Bachelor of Computer Applications — Computer Science

Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur

2025-07

AWS Certified Cloud Practitioner

AWS · Amazon Web Services

Certified