Worked on the development, maintenance, and optimization of core banking systems, collaborating closely with QA, business stakeholders, and technical leaders.

• Developed and maintained critical banking modules using PowerBuilder, T-SQL, and Sybase.
• Resolved production incidents, UAT issues, and performance bottlenecks.
• Improved performance of payment, reporting, and data-processing flows.
• Collaborated in Agile/Scrum environments with daily client interaction.

Focused on system maintenance, UI improvements, and onboarding of new developers into legacy banking systems.

• Provided guidance and training to new developers, accelerating team integration by 30%.
• Diagnosed and corrected errors, optimizing the user interface to improve usability and accessibility by ~25%.
• Optimized UI components and database queries.
• Provided technical guidance and onboarding support to junior developers.

Delivered end-to-end web solutions for businesses and entrepreneurs, handling everything from requirements gathering to deployment and maintenance.

• Led over 5 full-stack projects from start to finish and delivered over 10 frontend-focused applications, boosting client performance and KPIs by ~30%.
• Built and deployed scalable web applications using React, Node.js, MongoDB, and SQL.
• Integrated payment gateways, APIs, and third-party services.
• Worked directly with clients to define scope, UX, and technical solutions.

As a freelance developer, I provided custom development solutions for various clients. I specialized in integrating modern front-end libraries and building robust back-end APIs to meet specific project needs.

• Developed custom solutions integrating modern front-end libraries and proprietary RESTful APIs, which contributed to a 20% increase in project revenue.
• Managed full project lifecycles in agile environments, coordinating with cross-functional teams to ensure on-time delivery and high-quality results.