Fazil Khan

Senior Software Engineer

Gurugram, Haryana, India4 yrs 3 mos experience
Most Likely To Switch

Key Highlights

  • 5-star HackerRank in Problem Solving
  • Solved 500+ DSA problems on LeetCode & HackerRank
  • Delivered high-availability microservices for logistics
Stackforce AI infers this person is a Backend Engineer specializing in logistics and travel domains with a focus on microservices architecture.

Contact

Skills

Core Skills

PythonFlaskDjangoNode.jsJava

Other Skills

API ContractsAlgorithmsAmazon SQSAsymmetric EncryptionCC++Database DesignsElastic SearchElasticsearchMachine LearningMongoDBMySQLPostgreSQLRSA algorithmSQL

About

👋 Hi, I’m a Backend Engineer with 4.5 years of experience designing, developing, and scaling microservice-based platforms in logistics and travel domains. At Delhivery, I’ve worked on building high-throughput warehouse management and booking systems — ensuring performance, scalability, and reliability at production scale. 💻 Technical Expertise • Languages & Frameworks: Python, Flask, Django, REST API, Microservices Architecture, System Design • Cloud & DevOps: AWS (EC2, S3, RDS, EKS), Docker, Kubernetes, CI/CD (Jenkins, GitHub Actions) • Data Layer: 💾 PostgreSQL, MySQL, MongoDB (NoSQL) — schema design, indexing, optimization, data migration • Monitoring & Performance: Multithreading, Concurrency, Profiling, Prometheus, Grafana • Quality & Collaboration: Integration Testing, Contract Testing, Code Reviews, Agile/Scrum, CI Automation 🏆 Highlights & Achievements • ⭐ 5⭐ HackerRank (Problem Solving) • 💡 Solved 500+ DSA problems on LeetCode & HackerRank • ⚙️ Delivered high-availability microservices used across logistics workflows • 📈 Improved API performance & reduced latency through database query optimization 🎯 What Drives Me I’m passionate about building scalable backend architectures, optimizing systems for performance, and contributing to data-driven, cloud-native solutions. I enjoy tackling complex distributed system challenges and continuously improving application reliability.

Experience

Delhivery

2 roles

Senior Software Engineer

Apr 2025Present · 11 mos · Gurugram, Haryana, India

Software Engineer

Jun 2023Mar 2025 · 1 yr 9 mos · Gurugram, Haryana, India

  • Developing and Optimizing Warehouse Management System by improving
  • existing operations/flows.
  • Designed and Delivered Low Level Designs,API Contracts,
  • Database Designs, Class Diagrams, Sequence
  • Diagrams, RCAs, client operatons guides.
  • Improved User Management System by using Asymmetric Encryption and RSA algorithm.
  • Working with Python/Java based Microservices using flask and SpringBoot frameworks.
PythonJavaFlaskSpringBootAPI ContractsDatabase Designs+2

Happay

Software Engineer

Aug 2022May 2023 · 9 mos · Bengaluru, Karnataka, India · On-site

  • Contributed and developed Online Booking Platform especially for corporate, with a strong focus on utilizing PostgreSQL for database management.
  • Designed and implemented robust data models to ensure
  • efficient data storage and retrieval, as well as developing optimized SQL queries to enhance platform
  • performance.
  • Owned and improved booking notification component of the system
  • Tech Stack Used : Python, Django, Celery, Redis, PostgresSQL, Elastic Search, Amazon SQS.
PythonDjangoPostgreSQLSQLElastic SearchAmazon SQS

Vymo

2 roles

Software Engineer

Promoted

Sep 2021Jul 2022 · 10 mos

  • Owned and Delivered significant features independently at existing Lead management software
  • Enhanced user experience, contributed in core features, Added value in the team.
  • Worked with Node.js/java based microservices
  • legacy Bug fixes, with appropriate Unit and Integration testing.
  • Worked with multiple Databases such as MongoDB, MySQL and
  • Elasticsearch, involving sharding, partitioning,replication, maintaining and
  • optimizing db performances.
Node.jsJavaMongoDBMySQLElasticsearch

Software Engineer

Mar 2021Sep 2021 · 6 mos

Education

Lovely Professional University

Bachelor's degree — Computer Science & Engineering

Aug 2017Jul 2021

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