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Backend & AI Systems Engineer

Ahmedabad, Gujarat, India

Building scalable distributed systems, AI-powered workflows, and real-time backend architectures.

Distributed SystemsRealtime BackendsAI WorkflowsFinTech PlatformsDistributed SystemsRealtime BackendsAI WorkflowsFinTech Platforms

Harsh Prajapati engineers fast fintech and AI products with pragmatic architecture, async processing, and performance-minded delivery that recruiters can scan in seconds and teams can trust in production.

40%

Latency reduction

5K-20K

Async jobs per day

<100ms

Response baseline

2.5+ yrs

Experience

About

Engineering systems that stay calm under scale, latency, and product complexity.

Across fintech and AI platforms, Harsh focuses on backend architecture that keeps data moving reliably, APIs responsive, and product teams unblocked.

2.5+

Years building

Realtime

Async systems

Performance

Primary lens

2023

Joined WebMob Technologies

Started building production APIs, payments, and scalable backend systems for fintech products.

2024

Distributed systems focus

Expanded into Redis-backed orchestration, RabbitMQ workflows, WebSockets, and async job processing.

2025+

AI systems & realtime workflows

Shipped OpenAI and Gemini-powered product flows with performance tuning, caching, and operational reliability.

Skills

Backend-first capabilities with a strong systems, AI, and product delivery range.

The stack centers on resilient APIs, event-driven services, data performance, and AI integrations that fit real production constraints.

Backend

6 tools
Node.jsTypeScriptJavaScriptFastAPIGraphQLWebSockets

Databases

4 tools
PostgreSQLMongoDBRedisPrisma

AI & LLM

4 tools
OpenAI APIGemini APIPythonPrompt workflows

Cloud & DevOps

4 tools
AWSDockerRabbitMQCI-ready architecture

Frontend

4 tools
React.jsNext.jsTailwind CSSFramer Motion

System Design

4 tools
Event-driven systemsDistributed lockingCachingObservability

Capability radar

BackendDistributedAICloudFrontendLeadership
Node.jsTypeScriptJavaScriptFastAPIGraphQLWebSocketsPostgreSQLMongoDBRedisPrismaOpenAI APIGemini APIPythonPrompt workflowsAWSDockerRabbitMQCI-ready architectureReact.jsNext.jsTailwind CSSFramer MotionEvent-driven systemsDistributed lockingCachingObservabilityNode.jsTypeScriptJavaScriptFastAPIGraphQLWebSocketsPostgreSQLMongoDBRedisPrismaOpenAI APIGemini APIPythonPrompt workflowsAWSDockerRabbitMQCI-ready architectureReact.jsNext.jsTailwind CSSFramer MotionEvent-driven systemsDistributed lockingCachingObservability

Projects

High-impact platforms where backend reliability, event flows, and product speed all mattered.

Each project emphasizes architecture as a user experience: low latency, dependable orchestration, and measurable engineering outcomes.

Project 1

Loan Marketplace Platform

Event-driven lending workflows with realtime messaging and sub-50ms internal communication.

Node.jsPostgreSQLRedisRabbitMQAWS S3WebSocketsStripe

architecture-diagram.json

Layer 1

Async lending workflows

Layer 2

Distributed locking

Layer 3

Sub-50ms messaging

Event-driven coordination

Purpose-built flows that reduce friction between backend scale, product timing, and operational clarity.

Realtime feedback loops

Purpose-built flows that reduce friction between backend scale, product timing, and operational clarity.

Performance-first delivery

Purpose-built flows that reduce friction between backend scale, product timing, and operational clarity.

Project 2

Real Estate Multi-Bank Co-Lending Platform

Multi-bank backend orchestration with repayment scheduling, caching, and financial synchronization.

Node.jsPostgreSQLRedisRabbitMQStripeWiseAWS

architecture-diagram.json

Layer 1

Multi-bank orchestration

Layer 2

RBAC scheduling

Layer 3

Redis caching

Project 3

AI Home Design & Commerce Platform

AI-powered image pipelines for staging, transformation, recommendations, and media updates.

PythonReact.jsAWS S3Gemini APIOpenAI API

architecture-diagram.json

Layer 1

Virtual staging

Layer 2

Day-to-dusk AI

Layer 3

Realtime media updates

Experience

WebMob Technologies | Software Developer

Since December 2023, Harsh has focused on backend infrastructure, AI integrations, and fintech reliability for production environments.

Dec 2023 - Present

Vertical timeline of impact

1

Built REST and GraphQL APIs for production fintech workflows.

2

Reduced P95 latency by 40% while maintaining sub-100ms response paths.

3

Scaled async systems processing 5K-20K jobs per day.

4

Integrated Stripe, OAuth, AWS S3, OpenAI, and Gemini into customer-facing flows.

5

Used Redis caching and RabbitMQ pipelines to lower DB read pressure by 40%.

Achievements

Proof of consistency, teamwork, and technical discipline.

These highlights reinforce the profile beyond the stack itself: collaborative execution, habits of practice, and steady growth.

01

Team Player Recognition

Recognized for cross-functional execution and reliability.

50

LeetCode 50 Days Badge

Consistent problem-solving streak with strong fundamentals.

300+

DSA Problems Solved

Sharpened data structures and systems-oriented thinking.

02

Certifications

JavaScript and Python certifications supporting core delivery work.

Hobbies

Creativity that feeds the engineering mindset.

Cricket, chess, music, and content creation show up here as visual motifs and as the thinking habits behind Harsh’s systems work.

Cricket

Fast reactions

Pace, anticipation, and sharp decision-making influence how I approach realtime backend systems.

Chess

Strategic patterns

Long-horizon planning, tradeoff analysis, and pressure-tested sequencing shape my engineering style.

Music

Rhythm and texture

Rhythm and layering inspire smooth interfaces, balanced motion, and deliberate timing.

Content Creation

Narrative in motion

Storytelling helps me communicate technical systems clearly to product, design, and stakeholders.

Contact

Open to backend, platform, and AI systems opportunities.

The form sends directly through secure SMTP credentials with validation, basic spam control, and clear feedback states.

Available for impactful backend work

Let's build systems that stay fast under pressure.

Production-ready portfolio built with Next.js, motion, and lightweight 3D. It now supports private visitor logging and public traffic counters.

harshp2583@gmail.com
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Portfolio reach

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