vikas singh
Senior backend engineer with 6+ years of experience building NestJS systems, distributed APIs, and agentic AI.
Scroll
Stack
All skillsJavaScriptTypeScriptSolidityC++CNPMPNPMNode.jsNestJSExpress.jsOllamaNodemonESLintSwaggerMySQLPostgreSQLMongoDBAmazon DynamoDBQdrantRedisRabbitMQApache KafkaWebhooksWebRTCWebSocketsgRPCDockerKubernetesFirebaseAWSDigitalOceanVercelGitGitHubGitLabJiraOpenSea
JavaScript
TypeScript
Solidity
C++
C
NPM
PNPM
Node.js
NestJS
Express.js
Ollama
Nodemon
ESLint
Swagger
MySQL
PostgreSQL
MongoDB
Amazon DynamoDB
Redis
RabbitMQ
Apache Kafka
Webhooks
WebRTC
WebSockets
gRPC
Docker
Kubernetes
Firebase
AWS
DigitalOcean
Vercel
Git
GitHub
GitLab
Jira
OpenSeaExperience
All experienceOct 2025 - Present
Web3 Backend Developer
The Hashgraph Group
Pfäffikon, Zurich, Switzerland
Recent work
All projectsCustom Ai Agent
A monorepo containing a NestJS backend and Next.js frontend for chatting with a local Llama 3.2 model via Ollama, with RAG (Retrieval-Augmented Generation) capabilities for context-aware responses.
View case studyNestjs Microservices Template
A production-ready NestJS microservices template with comprehensive architecture, service communication, and best practices for building scalable distributed applications.
View case studyNestjs Monolithic Template
A production-ready NestJS monolithic template with comprehensive architecture, authentication, database integration, and best practices for building scalable backend applications.
View case study