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mwaqar_13

Muhammad Waqar

@mwaqar_13

Senior Java Backend Engineer

Paquistão
Inglês
Algumas informações são exibidas no idioma inglês.
Sobre mim
I am a Senior Java Backend Engineer with 4+ years of experience designing and developing high-performance, scalable microservices for banking and energy-sector systems. I have strong expertise in Java, JVM-based backend development, distributed systems, and event-driven architectures.... Saiba mais

Habilidades

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mwaqar_13
Muhammad Waqar
offline • 

Conheça meus serviços

Correções de bugs
I will fix, optimize, or debug your java backend application
A partir deUS$ 25 /projetoMais detalhes

Experiência profissional

Senior software Developer(Java)

Conotour Software • Período integral

Dec 2023 - Present • 2 yrs 5 mos

Developing and maintaining enterprise Java backend systems for Marketflow and MHHS (Market-wide Half-Hourly Settlement) projects. Designed concurrent and distributed components using Java and Akka Actor Model to ensure scalability and fault tolerance. Performed performance optimization by identifying bottlenecks, tuningOracle SQL queries, and improving service throughput. Implemented RESTful backend services integrated with JBoss Application Server. Fixed production issues and enhanced system stability. Collaborated with cross-functional teams in anAgile Scrum environment

TeReSol

TeReSol

Período integral • 1 yr 1 mo

Senior Software Design Engineer (Java / Microservices)

Dec 2022 - Jan 2023 • 1 mo

Led backend development of a Funds Transfer Engine using Java and Quarkus. Designed microservices-based architecture for financial transaction processing systems. Implemented event-driven communication using Apache Kafka. Containerized Java services using Docker and deployed with Kubernetes. Mentored junior engineers on Java best practices and backend system design. Diagnosed and resolved production issues in distributed Java systems.

Software Design Engineer (Java Backend)

Feb 2021 - Feb 2022 • 1 yr

Developed and maintained Java backend services for core banking systems. Built REST APIs using Java and Quarkus. Integrated databases using Hibernate / JPA. Used Docker for local development and service isolation. Collaborated with QA and business teams to deliver stable backend features.