AU

Afif Ullah Khan

Available to hire

I am a software engineer with 5+ years of experience specializing in Java microservices, Spring Boot, and distributed systems.

About

I am a software engineer with 5+ years of experience specializing in Java microservices, Spring Boot, and distributed systems. I have built and scaled real-time applications and am proficient in event-driven architectures using Kafka, database optimization, and payment gateway integration.\n\nI’ve led development teams in Agile environments, delivering scalable solutions and guiding best practices from design to production. I thrive in collaborative settings and enjoy solving complex problems with clean, maintainable code.

  • Joined November 2025

Languages

  • EnglishFluent
  • GermanIntermediate
  • UrduFluent

Industry experience

  • Software & Internet
  • Computers & Electronics
  • Professional Services
  • Media & Entertainment

More experts in Frankfurt am Main, Germany

Work experience

Software Engineer · Sibisoft (Northstar Technologies)Oct 2025 – Oct 2025 · 1 mo

Architected and delivered features on microservices architecture for NorthStar club management software, serving 650+ clubs globally. Refactored and decoupled legacy back-office codebase, improving response time by 35% and increasing code maintainability. Engineered concurrent locking mechanism to prevent simultaneous booking requests, significantly reducing reservation conflicts. Wrote comprehensive unit and integration tests (JUnit, Mockito, Spring Boot Test), reducing production tickets by 70%. Configured CI/CD pipeline for automated testing and Docker deployments, enabling faster and more reliable releases.

Software Engineer · Syscrowd Pvt LtdNov 2021 – Nov 2021 · 1 mo

Built responsive CRM applications using Angular, React, and Node.js; optimized MSSQL queries and indexing, improving data retrieval speed by 40%. Collaborated with UI/UX designers and implemented RESTful APIs, creating intuitive interfaces that increased user satisfaction by 30%. Leveraged AWS S3 for secure document and media storage. Integrated payment gateway APIs (Stripe/CyberSource) to enable secure transaction processing.

Education

Master of Science in High Integrity System · Frankfurt University of Applied Sciences2023 – 2025
Bachelors in Computer Engineering · Sir Syed University of Engineering & Technology2017 – 2020

Certifications and awards

Web Designing— Aptech2030 – 2025
Introduction to SOLID Principles— 10Pearls University2030 – 2025

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