Mohamed Saleh

Experience operating within structured enterprise IT environments.

Knowledge includes:

System integration planning

Coordinating development with infrastructure teams

Understanding operational processes

Supporting production and release cycles

Aligning technical systems with business requirements

Broad technical background covering:

Backend development

Distributed systems

Database optimization

Performance tuning

Enterprise production troubleshooting

Experience working with enterprise ERP and CRM ecosystems.

Skilled in:

Integrating backend systems with ERP/CRM platforms

Managing business workflows

Data synchronization and transformation processes

Supporting enterprise-scale operational systems

Experience working with performance-sensitive and real-time-oriented environments.

Knowledge includes:

Low-latency system behavior

Understanding concurrency and multithreading

Optimizing system performance

Working with resource-constrained environments

Debugging time-critical system flows

Extensive experience integrating Amazon S3 in backend systems.

Expertise includes:

Secure file storage and encryption handling

Large file processing workflows

S3 performance considerations

Backend integration (Java-based systems)

Handling production-level object storage operations

Strong understanding of scalable cloud storage architecture

Experience working with Amazon RDS in production cloud environments.

Skilled in:

Managing relational databases in AWS

Performance monitoring and optimization

Backup and recovery strategies

Scaling and high-availability configurations

Secure access and environment configuration

Experienced in designing and optimizing Elasticsearch-based search systems.

Strong background in:

Index design and mapping strategies

Query optimization and performance tuning

Search relevance improvements

Similarity scoring and fuzziness control

High-volume search environments

Experienced in designing and developing robust web services.

Core expertise:

RESTful API design

Microservices-based architecture

Secure API development

Performance and latency optimization

Distributed system integration

Experience supporting and working within enterprise Citrix environments.

Knowledge includes:

Application publishing and environment configuration

Performance troubleshooting in virtualized environments

Understanding system behavior in multi-user production setups

Supporting backend systems operating within Citrix infrastructure

Experience working with Microsoft Dynamics CRM in enterprise environments.

Skilled in:

CRM data modeling and customization

Integration with backend systems

Business logic implementation

API-based integrations

Data synchronization processes

Daily hands-on experience working with Jira in agile enterprise environments.

Experienced in:

Managing tasks, sprints, and workflows

Writing technical tickets and documentation

Coordinating cross-team development efforts

Supporting structured delivery and release cycles

Experienced working with AWS cloud infrastructure in production environments.

Strong background in:

Designing scalable cloud-based architectures

Working with EC2, RDS, S3 and related services

Performance monitoring and optimization

Secure configuration and access management

Cloud-based backend deployments

Experienced in designing and developing robust web services.

Core expertise:

RESTful API design

Microservices-based architecture

Secure API development

Performance and latency optimization

Distributed system integration

Senior Java Developer with strong experience building enterprise-grade backend systems.

Key expertise:

Microservices architecture

RESTful APIs

Multithreading and concurrency

Performance optimization

Stream API and clean functional programming

Secure and maintainable code design

Experienced Software Engineer specializing in backend-heavy, scalable, and performance-oriented systems.

Strong background in:

Designing clean and maintainable architectures

Distributed systems and microservices

Performance optimization across application and database layers

Refactoring legacy systems into scalable, modern architectures

Production-grade debugging and issue resolution

Proven experience in designing and optimizing MySQL databases for backend systems.

Expertise includes:

Query performance tuning

Index optimization

Schema design aligned with application logic

Transaction and locking management

Debugging slow queries and bottlenecks

Experienced in PostgreSQL database design, query optimization, indexing strategies, and performance improvement.

Specialized in:

Complex SQL query tuning

Execution plan analysis

Index optimization

Transaction management

Migration and database refactoring

Extensive experience working with Microsoft SQL Server in enterprise production environments.

Specialized in:

Complex query optimization and execution plan analysis

Indexing strategies and performance troubleshooting

Stored procedures and advanced T-SQL development

Transaction management and concurrency handling

Database refactoring and performance improvemen

Strong background in data processing and analytics in enterprise environments.

Experience includes:

Data transformation pipelines

Performance-aware ETL processes

Search accuracy improvements (Softmax, similarity scoring techniques)

Large dataset handling and distributed processing

Data validation and cleansing

Experienced in designing and optimizing high-volume Cassandra clusters for large enterprise customers.
Strong understanding of data modeling based on query patterns, partition key design, and performance tuning.

Hands-on experience with:

Large-scale distributed systems

Query optimization and reducing latency

Incremental vs full load strategies

Monitoring, troubleshooting, and production issue resolution

Integration with Java-based microservices

Experienced in designing and optimizing MongoDB databases for high-performance and scalable applications.

Strong expertise in:

Document-based data modeling

Aggregation pipelines and query optimization

Index strategy design

Performance tuning and latency reduction

Handling large datasets in distributed environments

Integration with Java-based microservices

Experienced Full Stack Developer with strong backend-oriented architecture expertise.

Core strengths:

Designing scalable backend services (Java-based systems)

REST API development

Database-driven application architecture

Performance optimization across system layers

Integration with distributed data systems

Deep experience working with NoSQL databases in high-throughput environments.
Skilled in schema design for performance, denormalization strategies, and designing systems based on business access patterns.

Key expertise:

Distributed data systems

Event-driven architectures

Kafka integration

Performance optimization and bottleneck analysis

Handling large datasets with low latency requirements

Senior Backend Developer with deep experience designing high-performance APIs and data-driven systems.

Core expertise includes:

RESTful API development

Microservices architecture

Java-based backend systems

Database-driven application design

Multithreading and concurrency

Performance tuning under heavy loads