Devarsh Mavani

Software Engineer
(1.2 Years of Experience)

Full-Stack & Agentic-AI Developer

Skills

Programming Languages

JavaJavaScriptTypeScriptPythonGolangC++

Frameworks & Tools

Node.jsNest.jsGinCobraSpring BootExpress.jsDjangoRedisNginXGithub ActionsAWSGitPrisma ORMGraphQLReact.jsNext.jsReact NativeRAGJenkins

Unit Testing Frameworks

JUnitMochaChaiPyTestPlaywrightJest

Cloud Technologies

ECSEC2CloudFrontRoute 53API GatewayS3LambdaRDSVPCCloudFormationCDKDockerKubernetes

Databases

MongoDBDynamoDBFirebasePostgreSQLMySQL

Concepts & Practices

SOLID PrinciplesCI/CDTest-Driven DevelopmentDesign PatternsAgile Methodology

Projects

Greetings Ocean

Greetings Ocean

100K+ Installs. Less than 1% crash-rate. 4.7★ rating on Google Play Store.

JavaKotlinAndroidFirebaseIn-App purchaseAlgorithms
View Project
Google Summer of Code

Google Summer of Code

Contributed to no-code web based app builder platform MIT App Inventor, having 1.6K stars.

JavaGWTServletsSpingBootJavascriptBlockly
View Project
Multiplayer Chess

Multiplayer Chess

Good old chess developed using node.js and socket.io.

JavascriptNode.Jssocket.ioDocker
View Project
Signify

Signify

WebRTC based video calling platform with sign language recognition.

Node.Jssocket.ioWebRTCMediaPipeTensorflow
View Project
Rapid Doc

Rapid Doc

Android based document scanner app developed using OpenCV native SDK. Supports PDF manipulation on device.

JavaKotlinAndroidOpenCVImage Processing
View Project
Covid Tracker

Covid Tracker

Simple covid tracker dashboard. View covid-19 stats across countries.

ReactJavascriptcharts.jsCSSAPI Integration
View Project

Experience

Software Development Engineer - Full Stack

Appleute GmbHJuly 2023 — Present

  • Increased system responsiveness by 90% by redesigning high-concurrency booking architecture; offloaded false-positive database queries to a Node.js validation layer.
  • Reduced PostgreSQL backup and recovery time by 95% by developing an automated, S3-compatible backup utility using Shell scripting and AWS services.
  • Ensured data integrity across 5000+ daily transactions by implementing optimistic concurrency control with record versioning in a high-traffic booking environment.
  • Decreased frontend testing time by 30% by building an LLM-powered AI Agent to automate regression and UI tests.
  • Accelerated project delivery by developing a Retrieval-Augmented Generation (RAG) based internal knowledgebase, saving over 100 engineering hours per project.
  • Automated staging deployments by creating a CI/CD pipeline using AWS CDK, CodeBuild, and ECS Fargate, reducing manual intervention and speeding up release cycles.

Software Engineering Intern

Aten VenturesApril 2023 - June 2023

  • Built attribute-based access control using CASL library to provide row-level security in a multi-vendor project management tool.

Software Engineering - Open Source Contributor

Google Summer of CodeJune 2022 - September 2022

  • Successfully secured a position in Google Summer Of Code, despite its highly competitive 23% acceptance rate, by creating a detailed documentation and project plan for low-code app creator MIT App Inventor.
  • Designed and implemented a secure custom identity provider authentication, for cross-application data-access using HMAC SHA-256 for integrity checks.

Education

Bachelor of Engineering, Information Technology

Gujarat Technological UniversityJuly 2021 - July 20249.45/10 CGPA

Diploma in Computer Engineering

Gujarat Technological UniversityAugust 2018 - June 20219.9/10 CGPA