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Hassan UsmanHU
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Hassan Usman

@hassanusman

Software Architect at One Valley, building Spring Boot microservices and an AI assistant for Passport OS.

Pakistan
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What I'm looking for

I'm open to architecture, Spring Boot, and AI integration work.

At One Valley, I work on Passport OS, a SaaS community platform, and built an AI admin assistant using LangChain and a generative AI model. It lets admins ask plain-English questions about live program data and send evaluation reminders in one request.

At One Valley, I also designed a RabbitMQ architecture for 50k+ concurrent requests and reduced API response times from 28 seconds to under 500 milliseconds during load testing. Before that, I led development at Alsharqi Holding Group WLL, where Scrum practices improved project delivery speed and quality by 60%.

Experience

Work history, roles, and key accomplishments

OneValley logoON
Current

Software Architect Engineer

OneValley

Jan 2024 - Present (2 years 10 months)

○ Designed and implemented a new RabbitMQ architecture handling 50k + concurrent requests with high scalability and stability.
○ Reduced API response times from 28 seconds to under 500 miliseconds during load testing by implementing dynamic consumer-side scaling and RPC message Gzip compression.
○ Collaborated with team members, explained technical solutions, and guided developers on resolving com

Alsharqi Holding Group WLL logoAW

Principal Software Engineer

Alsharqi Holding Group WLL

Jan 2022 - Dec 2023 (1 year 11 months)

→ Development Lead:
○ During this tenure, Lead a team of 25 to 35 developers and engineers in the design, development, and QA departments.
○ Collaborate with product manager, process team and stakeholders to define project scope, goals, and timelines.
○ Implement Scrum methodologies and best practices, resulting in a 60% improvement in project delivery speed and quality.

→ Architecture Optimizati

TABS Inc. logoTI

Senior Java Backend developer

Dec 2019 - Jan 2022 (2 years 1 month)

→ Back-end Lead:
• Recognized and improved code inefficiencies that led to a 60% increase in APIs response.
• Fixed major issues in scheduling a ride.
• I used to develop the backend architecture for new requirements and, in accordance with those requirements, create business logic for junior team members.

Insight logoIN

Java Software Engineer

Sep 2016 - Nov 2019 (3 years 2 months)

○ Here, I joined as a backend developer, and I got the opportunity to work in ASP.NET as well.
○ Involved in the full life cycle of the project including planning, designing, development, testing and deployment.
○ Responsible for coding of DAO classes using Spring with hibernate.
○ Utilized frameworks such as Hibernate and Spring for persistence and application layers.
○ Received recognition with

AT

Mobile Application Developer

Avragon Tehnologies

Mar 2015 - Sep 2016 (1 year 6 months)

○ Successfully completed and published three apps on the Play Store, showcasing my dedication and ability to deliver fully functional applications.
○ Demonstrated expertise in both MVP and MVC architectures, employing Kotlin to enhance code quality and maintainability.

Education

Degrees, certifications, and relevant coursework

Lahore Leads University -City Campus logoLC

Lahore Leads University -City Campus

Bachelor’s Degree, Computer Science

Major Subjects:
OOP
Java
Web basic (HTML, CSS, Bootstrap)
Advance Web (Asp.Net)
Mobile Programming (Android)
Artificial intelligence

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