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Falah S.

Falah S.

Senior Java Backend Engineer | Spring Boot | Microservices | AWS

Hi, I'm Falah. I build and fix Java/Spring Boot backends that handle real traffic. Most recently I led backend work on a U.S. auction platform running real-time bidding at high concurrency. I'm a Senior Java Backend Engineer with 8 years of experience building scalable applications for startups and enterprise companies across telecom, fintech, insurance, and e-commerce. Over the years, I've worked on high-traffic systems, event-driven architectures, REST APIs, and microservices where performance, reliability, and maintainability were essential. I enjoy turning complex business requirements into clean, scalable solutions. Whether it's building a backend from scratch, improving an existing application, integrating third-party services, or fixing production issues, I focus on writing code that's easy to maintain and built to last. 𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐰𝐢𝐭𝐡: ✔ Build scalable Java & Spring Boot applications ✔ Design and develop Microservices ✔ Develop secure REST APIs ✔ Integrate third-party services and payment gateways ✔ Optimize slow applications and improve performance ✔ Troubleshoot and fix production issues ✔ Modernize legacy Java applications ✔ Design and optimize PostgreSQL and MySQL databases ✔ Build event-driven systems using RabbitMQ, Kafka, and ActiveMQ ✔ Deploy applications using Docker and AWS ✔ Set up and improve CI/CD pipelines ✔ Integrate AI features using OpenAI and other LLM APIs ✔ Review code, improve architecture, and mentor development teams 𝐌𝐲 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐬𝐭𝐚𝐜𝐤: 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: - Java - Spring Boot - Spring MVC - Spring Security - Spring Data JPA - Hibernate - Microservices - REST APIs - GraphQL 𝐌𝐞𝐬𝐬𝐚𝐠𝐢𝐧𝐠: - RabbitMQ - Kafka - ActiveMQ - JMS 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: - PostgreSQL - MySQL - MariaDB - DynamoDB 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: - AWS - Docker - Jenkins - GitLab CI/CD - Bitbucket Pipelines 𝐀𝐥𝐬𝐨 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐝 𝐰𝐢𝐭𝐡 - Python - Golang - React - Vue.js - Angular 𝐀 𝐟𝐞𝐰 𝐡𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬 𝐟𝐫𝐨𝐦 𝐦𝐲 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: • Built backend services for a U.S.-based auction platform using Spring Boot and RabbitMQ, supporting real-time bidding and high-concurrency workloads. • Developed enterprise applications for Verisk Analytics, delivering software used by insurance, financial services, and government organizations. • Built and maintained backend services for a multi-country telecom platform using event-driven architecture and asynchronous messaging. • Led a team of engineers delivering an enterprise insurance platform while mentoring developers and driving technical decisions. 𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐞𝐧𝐣𝐨𝐲 𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐦𝐞: * Clear and responsive communication * Clean, well-structured, and maintainable code * Focus on long-term solutions, not quick fixes * Strong sense of ownership and accountability * Ability to work independently or as part of your team I'm always interested in working on challenging backend projects where I can add real value. If you're looking for someone who can understand your requirements quickly and deliver reliable, production-ready software, feel free to send me a message. I'd be happy to discuss your project and see how I can help.

🇵🇰Lahore, Pakistan$40/hr100% JSS5.00 (3)Since Dec 2020

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#333,060 / 412k
🇵🇰Country#40,693 / 52.9k
Revenue, last 30 days
$0
Total earnings
$2k

Billed in all: $2.1k

World#333,060 / 412k
🇵🇰Country#40,693 / 52.9k
Per project
$403
Projects, last 6 months
0
World#209,850 / 412k
🇵🇰Country#32,103 / 52.9k
Projects in all
5

Across 6 contracts

67% fixed33% hourly
World#266,042 / 412k
🇵🇰Country#41,894 / 52.9k

Earnings, last 30 days

$2.1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$2,075$2,100$2,125$2,150Oct 8Oct 23Nov 7

Skills