Andrii

Poliakov Andrii, Senior Software
Engineer | AI/LLM Engineering
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Senior Software Engineer with 10+ years of experience in backend development,
system architecture, database optimization, and full SDLC delivery. Strong expertise in
PHP, SQL, API development, CI/CD, Docker, and technical leadership. Transitioning
into AI Engineering, focusing on LLM-powered applications, RAG, scalable AI
solutions, and software engineering best practices.

EXPERIENCE
Goodwin soft Kyiv, UA (remote)
PHP Team Lead 10/2023 - to present
Lead the development of key features for a travel platform, enhancing user experiences using PHP
and modern tools
Led a backend team of 5 people (4 developers and 1 QA/QC)
Wrote and optimized complex SQL queries for advanced reporting and database migrations
Collaborated with cross-functional teams to implement scalable features using Symfony, React,
and AJAX
Streamlined backend processes to improve operational efficiency by 30%
Applied SOLID principles to ensure maintainable and scalable code
Use Claude and GPT to speed up coding, testing, debugging, and code reviews
Apply AI tools across the SDLC while maintaining code quality and security
E-com (edin.ua) Kyiv, UA
Full stack web developer (Team Lead 2 years) 05/2016 - 10/2023
Designed and optimized high-volume databases for a digital document platform.
Led a cross-functional team of 12 people (7 developers, 3 QA/QC, 1 Automation and 1 DevOps).
Designed and integrated electronic document signing features, driving client adoption by 60%
Spearheaded CI/CD pipelines for automated deployments, reducing release cycle times by 70%
Conducted system load testing and optimized infrastructure for scalability under heavy usage
Upgraded PHP projects from version 5.4 to 7.4, improving performance and security
Code review & release

repka.ua Kyiv, UA
Full stack web developer 11/2015 - 05/2016
Developed and integrated new features and modules for Magento 2 platform
Developed and integrated CRM/Storage
Accounting system for factory and increased processing speed
Maintained hosting and deployed projects

UkrPay Kyiv, UA
Developer 03/2014 - 10/2015
Learned new local language/API which is used for development
Development and integration of new features
Developed credit system for banks and other organisations
Developed reports system for one of biggest national bank in UA (big DB, optimization of queries)
Writing SQL queries and building reports
Oracle Apex 5.0 bank Back-End development
Collaborated with specialists from banks' IT departments and directly with customers to integrate
UkrPay services

BB Bank Kyiv, UA
Engineer 05/2010 - 10/2014
Supported and administrated internal bank systems
Tested bank systems
Writing SQL queries and building reports

EDUCATION & CERTIFICATIONS
National Technical University of Ukraine Kyiv, UA
“Igor Sikorsky Kyiv Polytechnic Institute” 2007 - 2013
MS Computer Physics

AWS Cloud Basics – Completed foundational training in AWS cloud technologies, Arlington, USA
including core services, architecture, and deployment fundamentals. 2024

Agentic Engineering – Completed practical training in AI-assisted software development; Online, UA
certification expected soon. 2026

TECHNICAL SKILLS
Programming Languages: PHP (10+ years), SQL/PLSQL (10+ years), React (1 year), Vue, JavaScript,
HTML, CSS, Symfony (3+ years), Laravel (0.5 year), C++
Frameworks & Libraries: AJAX, jQuery, XML, JSON, Twig, Smarty
Database Technologies: Oracle Apex, MySQL, Redis, Elasticsearch, DB optimization
Tools: CI/CD pipelines, version control, AWS
Best Practices: KISS, DRY, SOLID principles, modular code design
Electronic circuit development

RECOMMENDATIONS
Alexandr Smirnov, STO, Edin.ua
Evgeniy Kulik, Director, UkrPay
Irina Rudenko, Head of Development, UkrPay
Natalia Butenko, Head of Client Support, BB Bank
Contacts available upon request.