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Awais AnwarAA

Awais Anwar

Java Fullstack Developer

€650/day
Karlsruhe, DE
3-7 years

Average response time: 1 hour

About Awais

Software Engineer (Java) with over 7 years of software development experience, including 5 years as a Full StackJava Developer. Specialized in building scalable, high-performance applications, API integrations, and AI-poweredsolutions for the medical industry and enterprise platforms.

  • Led the migration of 150K+ users and customer data from Liferay 6.2 to 7.4, restructured system architecturefor scalability, and managed 4K–5K active customer accounts while ensuring data integrity and stability inhigh-traffic environments.
  • Implemented advanced data visualization and analytics for 100K+ customer traffic, enhancing businessinsights and user experience; proficient in Java, RESTful APIs, microservices, OSGi architecture, APIintegrations, and database optimization.
  • Developed specialized AI chatbots for the medical industry using Langchain4j, OpenAI, and function calling,showcasing a strong passion for applying AI and automation to boost system performance and developmentefficiency.
  • English

    Native or bilingual

  • Urdu

    Native or bilingual

  • German

    Conversational

Can work on-site
Karlsruhe (up to 50km)

Experience

  • Media Consult Maier + Partner GmbH,
    Java Fullstack Developer
    February 2020 - June 2025 (5 years and 4 months)
    Karlsruhe, BW, Germany
    • Developed and maintained Liferay platform using Java (backend) and JavaScript, HTML, and CSS (frontend); created custom themes, APIs, and modules to enhance functionality and user experience.
    • Led the Liferay upgrade from 6.2 to 7.4, managing database migration and UI/UX modernization with Velocity, FreeMarker, JavaScript, and CSS, ensuring a smooth transition and improved performance.
    • Utilized Liferay Service Builder with Hibernate to design and optimize databases, ensuring seamless data integration and robust backend architecture.
    • Developed RESTful APIs for job advertisement resources, enabled asynchronous frontend-backend communication, and imported JSON data into Liferay using Jsoup parsing techniques.
    • Automated PDF and Excel processing using Apache POI for structured data storage; built web crawlers to extract; created Pdf files using ItextPdf and integrate job ads from external portals into Liferay's database.
    • Implemented daily schedulers for data processing, system optimization, and file handling in Liferay Document Library; created interactive visualizations with D3.js for data insights.
    • Integrated Langchain4j with OpenAI to build advanced, context-aware chatbots with memory-based conversational flows and intelligent task execution using ChatGPT-4.0-mini.
    • Implemented Retrieval-Augmented Generation (RAG) with file-based and database embedding stores and developed function calls to boost LLM performance and accuracy.
    • Created asynchronous functions in Liferay modules to track and analyze site traffic and application submissions; optimized database performance through API-driven enhancements.
    • Managed OSGi builds and integrated external libraries like Apache POI and Langchain4j for scalability; handled server maintenance, portal installations, and platform optimization to ensure system reliability.
  • Fraunhofer (IPA),
    Web Developer
    March 2018 - January 2020 (1 year and 10 months)
    70 Stuttgart, Germany
    • Developed Roboport.io using React.js, Node.js, and GraphQL, delivering a robust and scalable platform by designing and implementing features that enhanced usability and performance.
    • Managed end-to-end project flow, ensuring timely milestone delivery, maintaining high-quality standards, and overseeing successful execution of platform enhancements.
  • Beejees Communication GmbH,
    Web Developer
    September 2017 - February 2018 (6 months)
    70 Stuttgart, Germany
    • Designed and developed responsive WordPress websites using Bootstrap & JavaScript.
    • Implemented custom themes, animations, and database optimizations for enhanced performance.

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Education

  • Master of Computer Science
    University of Stuttgart
    2019
    Master of Computer Science

Skill set

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