vikz91/node-onxx-mood-detector
onnx based nodeJS/bun utility to detect mood
Commit activity3 commits
Engineering Portfolio
Abhishek Deb
Staff / Principal Software Engineer – Platform & Distributed Systems
Staff / Principal Software Engineer with 13+ years of experience building and scaling distributed, data-intensive systems. Deep expertise in Node.js, GraphQL Federation, Server-Driven UI, cloud-native architectures, and DevOps. Proven record of leading engineering teams, optimizing platform performance, and delivering measurable business impact.
Work Experience
Staff Software Engineer
Grid Dynamics
- Built multiple Server-Driven UI (SDUI) components and services using federated GraphQL, increasing engagement by 5% for a global NBFC fintech client.
- Optimized GraphQL query planner, achieving 7x latency reduction in overall response times.
- Led roadmap planning and data-intensive API PoCs serving 100K+ requests per day.
- Awarded Best Team Delivery 2025 within 4 months of joining.
Senior Software Engineer (Contract)
Remote Co
- Improved user retention by 20% through SDUI initiatives and system design.
- Built AI-driven image-to-video platform using ComfyUI and LLMs, increasing sales by 20%.
- Migrated CMS to Next.js headless architecture achieving 97% SEO improvement.
Senior Software Engineer
Pluralsight
- Reduced core API response time by 90% by porting services to Node.js and optimizing PostgreSQL queries.
- Led reliability and scalability initiatives for APIs serving 1M+ users using Kubernetes, Helm, and smoke testing.
- Drove micro-frontend architecture and DDD adoption, reducing defect rates.
- Led development of analytics dashboard from scratch, resulting in 30x increase in user engagement.
Head of Engineering
Metaversal Imagarium Pvt Ltd
- Led 8+ engineers delivering fault-tolerant REST APIs with OAuth2/JWT, RBAC, and IAM-based access control.
- Architected centralized digital asset leasing platform, reducing project turnaround time by 70%.
- Owned CI/CD, DevOps, and billing, achieving 50% monthly cloud cost reduction.
Software Engineer
Spacejoy
- Built in-house rendering farm using Node.js, React, Blender, MQTT, Socket.IO, and MongoDB, reducing external software costs by 70%.
- Owned platform architecture and scalability strategy, increasing daily project release frequency by 60%.
Senior Unity Developer & Server Programmer
Thinqbot Technologies
- Developed Socket.IO and message-queue-based IoT systems.
Game Developer & Integration Engineer
Roar Games Pvt Ltd
- Built real-time multiplayer features and backend services for in-house games.
Software Development Engineer
VirtualSoft Technologies Pvt Ltd
- Developed Android games using C#.NET and Unity3D.
Selected GitHub Work
vikz91/hook-relay-ui
webhook relay management ui
Last commit Aug 17, 2025
vikz91/hook-relay
webhook relay management server - nodejs bullmq mongoose
Commit activity20 commits
vikz91/mealroll
MealRoll - A mobile-friendly meal planning app to reduce decision fatigue and make weekly meal prep seamless.
Last commit Dec 03, 2024
vikz91/rpi-home
dashboard for rpi manager
Commit activity4 commits
Focus Areas
Systems Architecture
Service boundaries, scalability constraints, and trade-offs.
Reliability
Failure modes, operational guardrails, and resilience work.
Platform Foundations
Core APIs, primitives, and long-lived engineering systems.
Skills
backend
Node.jsTypeScriptGraphQL FederationMicroservicesREST APIs
frontend
ReactNext.jsMicrofrontend FederationESM Bundling
architecture
Distributed SystemsServer-Driven UISOLIDDomain-Driven Design
data
MongoDBPostgreSQLRedisPinecone
devops
DockerCI/CDAWSEKSKubernetesHelmMLOps
ai
Agentic AINLPLangChainLangGraphOpenAI
observability
ELK StackDataDogPagerDutyNewRelic
leadership
Engineering StrategyMentorshipRoadmap Planning
Certifications
Apollo Graph Developer – Associate
OWASP Secure Coding Big Picture (2023–2024)
Data Privacy & Information Security V3.2-2023
Anti-Bribery & Anti-Corruption V2.02
A Practical Guide to GraphQL: From the Client Perspective