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Praj Va
Open to opportunitiesIndependent Product Engineer
Backend engineer at Mercedes-Benz Canada building secure Zero Trust APIs and contributing to cybersecurity knowledge retrieval with Azure OpenAI.
CanadaIndependent Product Engineer at MeetHint
Experience
Independent Product Engineer
Architected and built a TypeScript product with backend APIs, multi-tenant authentication, and enterprise source integrations. Built AI-powered retrieval using LLMs, embeddings, and RAG, and maintains 600+ automated tests.
TypeScriptREST APIsAuthenticationAuthorizationMulti tenancyLLMEmbeddingsRAGTesting
Full Stack Developer
Build and maintain secure backend services and REST APIs for an enterprise Zero Trust platform using Java/Spring Boot, TypeScript, and distributed service patterns. Implement asynchronous processing, security hardening, and automated testing.
JavaSpring BootTypeScriptREST APIsZero TrustRBACOAuthJWTDockerKubernetesCI CDPlaywrightSeleniumJunitSonarQubeCoverityBlack DuckAzure OpenAI
Full Stack Developer
Developed backend and integration services using Node.js, Express.js, TypeScript/JavaScript, Java, and REST APIs for regulated wealth-management applications. Built caching and synchronization components that improved data retrieval performance by 35%.
NodeJSExpressJSTypeScriptJavaScriptJavaREST APIsCachingSynchronizationAzureDockerCI CD
Full Stack Developer
Built backend services and REST APIs using Node.js/Express, Java, Python/FastAPI, and cloud-native patterns for healthcare and medical-imaging workflows. Reduced infrastructure costs by 30% and contributed to 99.9% application uptime.
NodeJSExpressJavaPythonfastAPIAWSLambdaAPI GatewaySNSAmazon SQSDockerCloud OptimizationMonitoring
Full Stack Developer
Built high-traffic applications using JavaScript, PostgreSQL, REST integrations, and service-oriented backend architectures. Automated AWS delivery and data workflows, improving data-load performance by 20%.
JavaScriptPostgreSQLRESTAWSDockerJenkinsGitOpsAirflow
Full Stack Developer
Developed enterprise applications and backend services using TypeScript/JavaScript, Java/Spring Boot, REST APIs, and GraphQL for systems serving 1M+ users. Implemented automated CI/CD and testing practices for containerized applications.
TypeScriptJavaScriptJavaSpring BootREST APIsGraphQLAWSCI CDDockerTesting