Harish Saifi

Software Engineer

Delhi, India 1+ yrs exp 84 · Excellent

About

Software Engineer with 2 years of production experience across backend services and client-facing applications. Build REST APIs with Java and Spring Boot, implement JWT authentication/authorization and per-user data isolation, and integrate secure file-upload and payment workflows. Comfortable shipping user-facing features and debugging production issues across the stack.

Skills & Expertise (37)

Git Intermediate

7.0/10

Years Exp

JWT Authentication & Authorization Intermediate

7.0/10

Years Exp

REST API design Intermediate

7.0/10

Years Exp

JavaScript Intermediate

6.5/10

Years Exp

Java Intermediate

6.5/10

Years Exp

SQL Intermediate

6.0/10

Years Exp

AWS S3 Intermediate

6.0/10

Years Exp

Postgresql Intermediate

6.0/10

Years Exp

OOP Intermediate

6.0/10

Years Exp

GraphQL Intermediate

6.0/10

Years Exp

Spring Boot Intermediate

6.0/10

Years Exp

Hibernate Intermediate

5.5/10

Years Exp

Spring Security Intermediate

5.5/10

Years Exp

Spring Data JPA Intermediate

5.5/10

Years Exp

DBMS Intermediate

5.0/10

Years Exp

Data Structures & Algorithms Intermediate

5.0/10

Years Exp

Spring Profiles Intermediate

5.0/10

Years Exp

Openapi Intermediate

5.0/10

Years Exp

Swagger Intermediate

5.0/10

Years Exp

Postman Intermediate

5.0/10

Years Exp

Maven Intermediate

5.0/10

Years Exp

Operating systems Intermediate

5.0/10

Years Exp

Docker Intermediate

5.0/10

Years Exp

Mockito Intermediate

5.0/10

Years Exp

JUnit 5 Intermediate

5.0/10

Years Exp

Indexing Intermediate

5.0/10

Years Exp

Query Optimisation Intermediate

5.0/10

Years Exp

Schema Design Intermediate

5.0/10

Years Exp

Secure Coding Intermediate

5.0/10

Years Exp

BCrypt Intermediate

5.0/10

Years Exp

Access Control Intermediate

5.0/10

Years Exp

Data Modeling Intermediate

5.0/10

Years Exp

API versioning Intermediate

5.0/10

Years Exp

Firestore Beginner

4.5/10

Years Exp

Firebase Beginner

4.5/10

Years Exp

Render Beginner

4.5/10

Years Exp

Dart Beginner

4.5/10

Years Exp

Work Experience

Software Engineer

Taazaa Inc

May 2025 - Apr 2026

Developed and enhanced REST API endpoints for HLPRLY, implementing backend changes alongside corresponding client updates to support evolving product requirements. Implemented AWS S3-based secure media-upload workflows for user profiles, integrating uploads with backend REST APIs. Cut the production crash rate ~30% on ParcelTunes by re-architecting media-state and song-queue handling. Resolved 100+ production issues across client and API layers, improving stability and reliability across live releases — spanning media playback, state sync, and data integration. Shipped map-based views, in-app messaging, push notifications, and invite-based deep linking, lifting user re-engagement; resolved GraphQL data-layer integration failures.

Associate Software Engineer

Taazaa Inc

Jun 2024 - Apr 2025

Implemented JWT authentication and authorization on CricOptions, a real-time options trading platform — covering token issuance/handling, session validation, and access control. Sole client-side developer on CricOptions (live scores, option pricing, order status); integrated the Razorpay SDK for in-app payments and stabilised the app through a 100+ user beta using Crashlytics monitoring. Cut background network usage ~35% by pausing and resuming GraphQL subscriptions on app-state changes.