Muhammad (Usama) Fiaz
Software Engineer
Experience
Software Engineer
PLC Group
- Designed and maintained REST APIs connecting internal business systems with external accounting and HR tools.
- Implemented secure API authentication (JWT/OAuth2) and optimized query handling to improve data throughput by 40%.
- Built automated test suites and API documentation pipelines with Swagger and Postman.
- Worked closely with remote stakeholders to ensure seamless backend integration and version-controlled deployment.
Full Stack Developer
Multi-syn Tech Pvt. Ltd
- Developed and integrated RESTful APIs to connect financial, HR, and client management systems.
- Improved backend data flow and synchronization across services using PostgreSQL and caching strategies.
- Wrote integration tests and debugged API connectivity issues between client and internal systems.
- Contributed to system-level documentation and remote deployment setups using Docker and GitLab CI/CD.
React Intern
Speedforce Digital
- Supported backend team in building and testing API endpoints with Node.js and Express.js.
- Assisted in identifying and resolving data exchange inconsistencies between frontend and backend components.
AXIN – Industrial IoT Analytics Platform
- Developed and maintained RESTful APIs to process real-time data from IoT sensors.
- Improved API response times and integrated automated testing workflows.
Concise5 – Learning Platform
- Implemented backend logic and multi-language API endpoints using FastAPI and PostgreSQL.
- Added Swagger documentation and error handling for stable deployments.
Multi-Syn Tech SaaS Platform
- Built API services for user management and analytics.
- Enhanced integration reliability across modules and optimized database queries for performance.
TEA Program (U.S. Department of State)
- Contributed to backend API infrastructure supporting data synchronization and secure access for international educators.
- Focused on documentation and integration testing.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (2 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (2 years), Product Development (1.5 years), and Quality Assurance (0.5 years).
Skills
- Api Development And Integration (Rest, Graphql, Openapi, Swagger)
- Javascript
- Php
- Automation Of Api Testing And Monitoring (Postman, Newman, Pytest)
- Authentication (Jwt, Oauth2)
- Containerization (Docker, Kubernetes)
- Ci/cd (Github, Gitlab, Jenkins)
- Performance Optimization And Scalability
- Databases (Postgresql, Mysql, Mongodb)
- Serverless And Microservices Architectures
- Error Handling
- Data Caching And Synchronization
- Agile Development
- Version Control (Git, Github, Gitlab)
- Api Documentation And Schema Validation
- Cross-system Integration
- Logging And Monitoring
- Problem Solving
- Remote Collaboration
- System Debugging And Deployment Automation
- Api Security
- Data Synchronization
- System Integration
- Api Design
- Integration Architecture
- Performance Optimization
- Independent Development
Languages
Education
Universitat Passau
Master of Computer Science · Computer Science · Passau, Germany
National University of Computer And Emerging Sciences
Bachelor of Computer Science · Computer Science · Pakistan
Profile
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Muhammad based?
What languages does Muhammad speak?
How many years of experience does Muhammad have?
What roles would Muhammad be best suited for?
What is Muhammad's latest experience?
What companies has Muhammad worked for in recent years?
Which industries is Muhammad most experienced in?
Which business areas is Muhammad most experienced in?
What is Muhammad's education?
What is the availability of Muhammad?
What is the rate of Muhammad?
How to hire Muhammad?
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
Similar Freelancers
Discover other experts with similar qualifications and experience
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Software Engineer
Nearby freelancers
Professionals working in or nearby Passau, Germany