Harshaj Singh Parihar

Software Engineer

Bengaluru, Karnataka, India2 yrs 11 mos experience

Key Highlights

Architected APIs for 1M+ daily transactions.
Reduced CI/CD deployment time by 87%.
Built AI-native tooling for security remediation.

Stackforce AI infers this person is a Fintech Backend Engineer with expertise in scalable payment systems.

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Skills

Core Skills

JavaKubernetesReact.jsLanggraphSpring Boot

Other Skills

J2EERESTfulSOAPCI/CDGolangPostgreSQLJavaScriptData AnalysisElasticsearchExpress.jsApplication ProgrammingBack-End Web DevelopmentSoftware DevelopmentProgrammingGit

About

I build infrastructure that moves money at scale. SWE at Visa working on payments systems merchant APIs at 1M+ daily transactions, Kafka pipelines at 50K+ events/sec, Kubernetes microservices at 99.98% uptime. Recently cut CI/CD deployment time for 21 services from 2-3 hrs to 15 mins. Also building AI-native tooling: a LangGraph security remediation agent and an MCP server for automated testing. Previously at FinacPlus (2+ yrs) building lending infrastructure for 200K+ users. Interned at Uber and BARC. Stack: Java · J2EE · Golang · Spring Boot · Kafka · Kubernetes · Redis · Elasticsearch · React.js · LangGraph · AWS · GCP

Experience

2 yrs 11 mos

Total Experience

2 yrs

Average Tenure

11 mos

Current Experience

Visa

Software Engineer

Jul 2025 – Present · 11 mos · Bengaluru · Hybrid

Building payments infrastructure at scale across Visa’s merchant and B2B platform.
Architected B2B merchant integration APIs (Java J2EE, Spring Boot, RESTful + SOAP) processing 1M+ daily transactions at 99.98% uptime
Slashed client onboarding time from 14 days to 4 days (70% faster) via end-to-end ownership of the merchant portal in React.js
Cut CI/CD deployment time for 21 microservices from 2-3 hours to 15 minutes (87% reduction) through pipeline parallelisation
Built a LangGraph agent automating security remediation: detects vulnerable transitive dependencies, applies fixes, rebuilds JARs, re-runs scans, auto-raises PRs dropped manual effort from 1-3 hrs to near-zero
Built an MCP server for automated functional, penetration and load testing across the engineering org

JavaJ2EESpring BootRESTfulSOAPReact.js+3

Finacplus

2 roles

Software Development Engineer

Jul 2023 – Jul 2025 · 2 yrs · On-site

Built core financial infrastructure for a lending platform serving 200K+ users.
Engineered a backend-driven UI framework in React.js — server sends JSON config to render any component dynamically, eliminating entire classes of frontend change requests with zero deploys
Architected modular microservices backend (Spring Boot, Golang, PostgreSQL) from scratch, decomposing monolith into 12 independently deployable services; cut loan approval turnaround by 40%
Built rule-based loan approval engine processing 5,000+ applications/day at sub-200ms low-latency, eliminating 80% of manual approvals
Conducted POCs on Oracle and Cassandra; evaluated ETL and event streaming pipelines for low-latency analytical reporting; paired with automation team on Playwright test suites on GCP

React.jsSpring BootGolangPostgreSQL

Software Development Engineer - Intern

Jan 2023 – Jul 2023 · 6 mos · On-site

React.jsJavaScript

Barc

Research Intern

Jul 2022 – Aug 2022 · 1 mo · Mumbai, Maharashtra, India · On-site

Worked on Data Visualization tool in Elasticsearch and ReactJS.

React.jsData AnalysisElasticsearch

Uber

Software Engineer Intern

Dec 2021 – Jan 2022 · 1 mo · Bengaluru · Hybrid

Worked on Uber’s driver and rider operations platform in a high-velocity microservices environment.
Shipped 2 production features in Golang on Uber’s core platform, reviewed and deployed to global infrastructure
Boosted internal dashboard API response time by 35% via caching and query optimisation
Hands-on exposure to large-scale distributed systems, Kubernetes deployments, and Agile engineering at Uber’s scale

GolangKubernetes