Muhammad Sharjeel Arshad
Muhammad Sharjeel Arshad

Data Engineer

Open to offers · Member since 28 Oct 2026
Location
Stuttgart, Germany
Desired salary
Unspecified
Work preference
Remote Only
Experience level
Senior

About

Professional summary

I am a Data Engineer with more than eight years of experience developing database-driven enterprise applications, data-processing solutions, and system integrations. My core strengths include SQL, PL/SQL, relational database development, data modelling, data migration, and performance optimisation.

I have extensive hands-on experience with Oracle Database, Microsoft SQL Server, and MySQL. I design database objects, procedures, functions, packages, views, APIs, and reliable backend workflows for enterprise applications.

In my recent work, I have developed Oracle APEX-based applications, Forms-to-APEX migration tooling, REST APIs through ORDS, reusable plugins, and data visualisation components. I also apply UX and usability principles to make business applications more intuitive and effective for users.

I am experienced in analysing complex data structures, improving SQL query performance, validating data quality, and integrating data across systems. I have additional foundational knowledge of PostgreSQL, Python, Power BI, and ETL/ELT processes.

I hold an M.Sc. in Human-Computer Interaction and am an Oracle APEX Cloud Developer Certified Professional. Based in Stuttgart, Germany, I hold an EU Blue Card and bring experience working in Agile/Scrum teams with international stakeholders.

Skills

29 capabilities

Tech stack & tools

Working toolkit

Collaboration

Data Stores

Experience

Career history

Software Developer PITSS GmbH

Developed and enhanced database-driven enterprise applications for international client projects using Oracle Database, SQL, and PL/SQL. Designed PL/SQL packages, procedures, functions, views, database objects, REST APIs through ORDS, and integrations supporting reliable application workflows.

Analysed and optimised complex SQL queries and database logic to improve performance, stability, and data processing. Developed backend and frontend components for an Oracle APEX-based Forms-to-APEX migration modeler, including UI components and workflow functionality.

Created Oracle Property Graph models from relational data for relationship analysis and data exploration. Built reusable Oracle APEX plugins and Cytoscape.js data visualisation components, while collaborating with stakeholders to improve usability and productivity.

Worked in Agile/Scrum teams using Jira and Confluence for sprint planning, task tracking, and documentation.

Software Developer – Internship & Master's Thesis Student PITSS GmbH

Built interactive data visualisation user interfaces with Cytoscape.js and developed reusable Oracle APEX plugins for enterprise applications.

Implemented REST services and data models for enterprise-level systems. Designed and prototyped interactive process visualisation interfaces using human-computer interaction principles, user research, requirements engineering, and UX design methodologies.

Working Student – Web Development Universität Siegen

Developed and enhanced university web applications in a working student role.

Improved application usability, accessibility, and overall user experience through user-centered design practices.

Software Developer Sevennex IT Solutions

Developed and maintained WordPress websites for client requirements.

Managed database migration activities and completed SQL scripting tasks to support website and database operations.

Associate Technical Consultant Inbox Business Technologies

Developed and customized Oracle E-Business Suite applications using Oracle Forms, Oracle Application Framework, and PL/SQL.

Designed custom forms, APIs, and database procedures in Oracle Database. Supported EBS administration, workflows, and reporting solutions.

Education

Learning history

Universität Siegen

Master of Science, Human-Computer Interaction

Specialized in Human-Computer Interaction, UX/UI Design, Interaction Design, Usability Engineering, User-Centered Design, and Qualitative Research Methods.

CUST

Bachelor of Science, Computer Sciences

Completed a final-year project: an HR and inventory database management system. Designed and developed user interfaces, backend logic, database design, and workflows using ASP.NET, C#, MySQL, and Microsoft SQL Server.

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