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Tessa Nejla Ayvazoglu

Professional Summary

Dynamic and results-oriented Software Engineer with 17 years of experience in the banking industry, specializing in mainframe technologies and currently advancing expertise in Artificial Intelligence (AI) and Machine Learning (ML). With a strong foundation in mathematical engineering and computer science, I am enhancing my skill set with a graduate certificate in AI and ML from Conestoga College. Renowned for excellent communication skills and a robust background in Cobol, CICS, JCL, ISO 390, and DB2. I bring hands-on experience from roles in Personal Banking, Commercial and Consumer Loans, Product Catalog and Pricing, and general accounting. Additionally, I have freelanced as a Data Scientist, blending practical machine learning applications with my engineering knowledge.

Technical Skills

Mainframe and Software Development:

  • Languages: Cobol, PL/I, JCL, TSO, CICS, ISPF, Db2, IMS, Java, C#, .Net
  • Tools: IBM Rational Application Developer for WebSphere (RAD), VSAM file, SQL, Agile/Kanban/Waterfall, Scrum
  • Web Development: HTML, CSS, JavaScript, Dreamweaver
  • Embedded Systems: Arduino

AI, ML, and Data Science:

  • Languages and Frameworks: Python, R, MATLAB
  • Machine Learning: TensorFlow, Pytorch, scikit-learn, Reinforcement Learning
  • Data Analysis and Mining: Weka, Data Mining
  • Version Control and Collaboration: GitHub, Microsoft Azure DevOps, Docker

Additional Skills:

  • Algorithm Development: Neuro Systems, Algorithm Design
  • APIs and Testing: Postman, API Testing Tools

Professional Experience

TD Bank, Toronto, ON - Software Engineer (2022 - 2023)

  • Played a crucial role in software and business process redesign projects within the Personal Banking system as both an analyst and developer.
  • Managed end-to-end product development and maintenance, ensuring alignment with legal requirements.
  • Partnered with the Release Management team for various deployments and defect management.
  • Translated complex business requirements into Functional and Detailed Design Documents.
  • Crafted Test Strategy and Test Plan documents, conducted testing phases, and supported User Acceptance Testing (UAT).
  • Provided technical support and optimization, addressing client issues using tools like Cobol, IMS, DB2, JCL, Jira, Agile Framework, Postman, IBM Developer for Z/OS, and Endevor.

AKBANK T.A.Ş., İstanbul, TR - Software Engineer

  • Acted as an analyst and developer for software and business process redesign projects in the domains of mortgages, consumer loans, and overdrafts.
  • Oversaw daily and online collection, accounting transactions, and product development initiatives.
  • Coordinated closely with the Release Management team, interpreted business requirements, and facilitated testing processes.
  • Delivered technical support and resolved customer issues using VMS, CICS, Cobol, DB2, Java, IBM Rational Application Developer, Business Objects, C#, and .Net.

GARANTİ Teknoloji T.A.Ş., Istanbul, TR - Software Engineer

  • Developed and enhanced new modules and features, managed daily and online accounting transactions.
  • Provided technical support and conducted problem analysis and resolution for production job failures.
  • Leveraged tools such as MS SQL Server, CICS, MVS, DB2, and PL/I for effective software development and support.

Education and Certifications

  • Graduate Certificate in Artificial Intelligence and Machine Learning - Conestoga College, Kitchener, ON
  • Master's Degree in Computer Engineering - Kadir Has University, Istanbul, TR
  • Bachelor’s Degree in Mathematical Engineering - Istanbul Technical University, Istanbul, TR

Awards and Recognitions

  • Developer of the Year Award - AKBANK T.A.Ş.
  • Best Innovation in Banking Technology - GARANTİ Teknoloji T.A.Ş.

Languages

  • Turkish (Native)
  • English (Professional Working Proficiency)