ROMHARSHANARCHITECTURE • AI • PRODUCTS
ROMHARSHAN SINGH • SOFTWARE ARCHITECT • PRODUCT BUILDER

Architecting systems. Building products. Creating new ways to engineer.

Software and Solution Architect with 21+ years of engineering experience across enterprise platforms, AI, cloud, distributed systems and full-stack product development. Creator of RAIQL — Requirements AI Query Language — and builder of technology products across EV mobility, healthcare, talent, learning and digital media.

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Solution ArchitectureAI & CloudDistributed SystemsProduct Engineering
Romharshan Singh, Software Architect, AI and Cloud leader, and creator of RAIQL
Romharshan SinghSoftware Architect • AI & Cloud • Product BuilderCreator of RAIQL 1.0 →
21+Years in software engineering & architecture
EnterpriseArchitecture leadership plus hands-on product engineering
AI • CloudDistributed systems, platform engineering and production AI
CreatorRAIQL — Requirements AI Query Language
PRODUCTS & INNOVATION

Architecture is stronger when it is tested by real products.

Alongside enterprise architecture, I build and evolve independent products across developer tooling, EV mobility, healthcare, talent, learning and digital media.

Developer Platform • Language

RAIQL

Requirements AI Query Language — a declarative software-development language for describing application models, APIs, authentication, authorization, tenancy, events, tests, environments and deployment intent.

Created by Romharshan Singh • Stable language 1.0Creator story & architecture →EV Mobility • Charging Infrastructure

PlugFlare

EV charging platform spanning operator workflows, driver experiences and charging interoperability, including OCPP and OCPI-oriented architecture.

Multi-tenant SaaS • Driver experience • Charging operationsVisit PlugFlare →Healthcare • Care Marketplace

ARmedico

Digital healthcare marketplace focused on connecting people with doctors, nurses, physiotherapists, caregivers and home-care services.

Healthcare discovery • Local services • Care-at-homeVisit ARmedico →Talent • Learning • Technology

PCDS

Technology, recruitment and learning initiatives spanning candidate discovery, practical training, developer education and digital products.

Talent • Training • Technology servicesVisit PCDS →Entertainment • Digital Media

InTheBollywood

A digital entertainment property exploring content, publishing and audience-focused product experiences in the entertainment domain.

Content platform • Publishing • Audience experienceVisit InTheBollywood →
RAIQL official language siteraiql.dev →
EXPERTISE

Architecture across the full technology stack.

I combine hands-on engineering depth with system design, reliability, cloud, data and AI architecture — from requirements and domain boundaries through deployment and production operations.

Solution Architecture

HLD/LLD, domain boundaries, API contracts, NFRs, scalability, security, reliability and technology strategy.

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Generative AI & RAG

Enterprise RAG, LLM integration, vector search, AI assistants, voice workflows, evaluation and production controls.

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Cloud & Platform

AWS, Azure, Docker, Kubernetes, K3s, Helm, CI/CD, observability and production deployment architecture.

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Distributed Systems

Microservices, Kafka, API gateways, service discovery, outbox, idempotency, saga, circuit breakers and backpressure.

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Backend Engineering

Java, Spring Boot, Node.js, NestJS, Python, REST/GraphQL APIs, MySQL, PostgreSQL, MongoDB and Redis.

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Frontend Architecture

React, Next.js, Angular, React Native, NX, micro-frontends, performance and maintainable UI platforms.

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SELECTED ENTERPRISE WORK

Systems designed for scale, reliability and real operational constraints.

Selected architecture work across AI, automotive operations, travel, retail, procurement, BFSI and enterprise integration. Public case studies focus on architecture and outcomes without exposing proprietary implementation details.

Automotive AI • Yard Management • Smart Mobility

AI-Powered Enterprise Yard Management Platform

Architecture for real-time vehicle identification, movement tracking, yard monitoring, reconciliation and violation detection using AI, Computer Vision, Radar Fusion, IoT and event streaming.

Designed the cloud-native microservices, Kafka event flows, Kubernetes/K3s deployment model, Helm packaging, geospatial persistence and observability approach.NestJS • React • Next.js • Python • PostgreSQL/PostGIS • Kafka • Redis • Kubernetes/K3s • Helm • Prometheus • Grafana • Loki
Travel • Booking • Payments • AI Assistance

Omni-Channel Travel Booking Platform

High-traffic booking architecture spanning flights, hotels, insurance, visa, forex and cars with more than ten third-party integrations, payments, notifications and AI assistance.

Service decomposition, Redis caching and Kafka tuning contributed to approximately 30% lower booking latency.Java • Spring Boot • NestJS • React • Angular • Kafka • MySQL • MongoDB • Redis • AWS • Kubernetes • Kong
Retail • Master Data • Data Engineering

Product & Location Data Integration Platform

Centralized product and location data with Spring Boot services publishing domain events to Kafka, orchestration through Airflow and analytical ingestion into Snowflake.

Improved synchronization from hours to minutes; monitoring and ServiceNow integration reduced MTTR by about 40%.Java • Spring Boot • Kafka • Airflow • Snowflake • AWS • Splunk • ServiceNow
Procurement • Vendor Management • Enterprise Integration

Enterprise Procurement & E-Auction Platform

Modernized procurement, RFX and auction workflows using microservices, API integration and cloud services while connecting with enterprise systems.

Focused on modular service boundaries, SAP integration, API strategy and cloud-ready architecture.Java • Node.js • React • GraphQL • Microservices • SAP Integration • Azure • AWS
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HOW I WORK

From architecture decisions to systems that actually run.

My work sits between strategy and implementation: defining boundaries, contracts, NFRs and platform direction while staying close enough to code, data, infrastructure and operations to validate the design.

That same approach drives RAIQL and my product work — reduce ambiguity, make architecture executable, preserve deterministic contracts and keep the path from requirement to production understandable.

TECHNOLOGY

Polyglot by design, not by buzzword.

Technology choices are selected around workload, reliability, team capability, security, operational cost and long-term maintainability.

Backend

JavaSpring BootNode.jsNestJSPythonFastAPIRESTGraphQL

Frontend

ReactNext.jsAngularReact NativeNXPrimeNGPrimeReactMicro-frontends

Data

MySQLMongoDBPostgreSQLPostGISRedisSnowflakeElasticsearch/OpenSearch

AI / ML

OpenAI APIsRAGLangChainFAISSQdrantWhisperYOLOComputer VisionRadar Fusion

Streaming & Integration

Apache KafkaWebSocketWebRTCAirflowSparkAPI GatewayService Discovery

Cloud & DevOps

AWSAzureGCPDockerKubernetesK3sHelmTerraformJenkinsNginx

Observability & ITSM

PrometheusGrafanaLokiSplunkELKServiceNowJMeter
RECOGNITION

Professional recognition built over a long engineering career.

Tech Mahindra – Reliance Account

Employee of the Year

Professional recognition for contribution and performance on an enterprise account.

Euclid Infotech

Best Performer – Website Development

Awarded for website development performance during 2008–09.

Euclid Infotech

Web Developer of the Year

Recognition for web development excellence during 2009–10.

HT Media Ltd. & Tendersinfo.com

Development & Launch Recognition

Recognition connected with development and launch of a tendering solution.

View awards & credentials →
LEARN

Architecture, AI, cloud and engineering knowledge.

Practical writing for engineers who want to understand production trade-offs, architecture decisions and system behavior — not only framework APIs.

PostgreSQL

PostgreSQL High Availability: Streaming Replication, WAL, Backup and Recovery

A production approach to PostgreSQL replicas, promotion, read consistency, WAL retention, base backups and tested point-in-time recovery.

2 Sept 2026PostgreSQL

PostgreSQL Partitioning and JSONB: Production Query Design

How I use declarative partitioning and JSONB selectively, with pruning, expression/GIN indexes and relational constraints where they add value.

2 Sept 2026PostgreSQL

PostgreSQL MVCC, Isolation, Locking and Deadlocks in Production

A production guide to PostgreSQL MVCC snapshots, transaction isolation, row locks, deadlocks, long transactions and retry-safe concurrency.

2 Sept 2026PostgreSQL

PostgreSQL Indexing: B-Tree, GIN, GiST and BRIN in Production

How I choose PostgreSQL index types by operator and data distribution, then validate them with EXPLAIN ANALYZE, buffers and real query shapes.

2 Sept 2026
RAIQL • ARCHITECTURE • PRODUCT ENGINEERING

Build systems that remain understandable from requirement to production.

Explore RAIQLContact me