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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.…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.

Afif Ullah Khan

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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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.…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.

Available to hire

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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

German

Intermediate

Urdu

Fluent

Work Experience

Software Engineer at Sibisoft (Northstar Technologies)

October 1, 2025 - October 1, 2025

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 at Syscrowd Pvt Ltd

November 1, 2021 - November 1, 2021

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.