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)