Kajal Miglani

Backend Engineer

Greater Delhi, Delhi, India6 yrs 6 mos experience

Key Highlights

7+ years of experience in backend engineering.
Expert in building scalable systems across multiple industries.
Strong focus on clean architecture and mentoring engineers.

Stackforce AI infers this person is a Backend Engineer with expertise in Healthcare and E-Commerce sectors.

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Skills

Core Skills

Data EngineeringAwsMicroservicesSpring BootSystem DesignSap Commerce CloudRest ApisE-commerce

Other Skills

Data StructuresInterpersonal SkillsKafkaDatabase ManagementCockpitAlgorithmsData OptimizationDatabase DesignJavaPythonPostgreSQLLow-Level DesignHigh-Level DesignDatabase Management System (DBMS)Product Management

About

Lead Backend Engineer @ Airtel Digital | 7+ Years Building Scalable Systems I build backend systems that stay reliable under pressure. My experience spans health-tech, e-commerce, and now telecom—working on microservices, performance optimization, and real-world distributed systems. I care about clean architecture, pragmatic system design, and mentoring engineers to build things that actually scale. If you enjoy talking backend engineering or system design, let’s connect.

Experience

6 yrs 6 mos

Total Experience

2 yrs 1 mo

Average Tenure

2 mos

Current Experience

Airtel digital

Lead Engineer - BE

Mar 2026 – Present · 2 mos · Gurugram, Haryana, India

Tata 1mg

Software Development Engineer 2

Nov 2023 – Feb 2026 · 2 yrs 3 mos · India

28 Nov 2023 – Present
Own doctor consultation flow, medicine substitution engine, payment integrations & VAS products
Reduced monthly AWS infra cost by ~50% via query optimization, connection pooling & Redis caching
Designed & implemented Kafka producers/consumers for asynchronous processing of orders & notifications
Improved system reliability with custom multi-level alerts and Grafana dashboards
Optimized database queries reducing P95 latency of critical APIs from 800ms to <200ms

Data StructuresInterpersonal SkillsData EngineeringAWS

Publicis sapient

Associate, Level 2 Hybris

Dec 2021 – Nov 2023 · 1 yr 11 mos · Gurugram

Dec 20, 2021 - Nov 24, 2023
Led migration of legacy monolith to Spring Boot microservices for a US retail client
Optimized data import jobs reducing runtime from 4hrs to 35mins (90% faster)
Implemented regulatory & compliance modules (GDPR, CCPA) for European markets
Mentored 2 junior developers on clean code & design patterns

CockpitAlgorithmsSpring BootMicroservices

Valtech

2 roles

Software Developer

Promoted

Sep 2021 – Dec 2021 · 3 mos

Sept 1 - Dec 10, 2021
Contributed to Henkel Global Adhesive e-Shop (SAP Commerce Cloud + Spring Backend)
Designed REST APIs and database schema for product catalog serving 20+ countries
Supported SAP Commerce Cloud migration and performance tuning

CockpitAlgorithmsSAP Commerce CloudREST APIs