• Built and enhanced RESTful APIs with Python Django, enabling seamless integration for payment flows and improving transaction processing efficiency by 28% across merchant-facing applications.

• Designed responsive UIs using React.js and TypeScript, streamlining customer onboarding workflows and increasing completion rates by 21% across self-service sign-up journeys.

• Automated financial data validation pipelines using Python Pandas and PostgreSQL, reducing manual reconciliation time by 35% and ensuring greater accuracy for compliance reporting.

• Migrated critical services to AWS Lambda and Kubernetes, improving scalability during peak traffic surges and achieving 99.97% service availability across global payment systems.

• Partnered with security engineers to integrate OAuth2 and SAML authentication, strengthening identity management and reducing fraud risks in high-volume merchant platforms.

• Implemented caching strategies with Redis, reducing average API response latency by 32% and ensuring smoother user experiences for real-time payment status tracking.

• Built CI/CD pipelines using Jenkins, Docker, and Terraform, enabling faster deployments and reducing release rollbacks by 26% across core payment applications.

• Developed end-to-end test suits with PyTest, Selenium, and Jest, cutting post-release production bugs by 22% and improving customer trust in payment reliability.

• Optimized PostgreSQL queries and indexes, reducing transaction query execution times by 37% and boosting efficiency of fraud detection pipelines.

• Integrated real-time event processing with Apache Kafka, enabling faster reconciliation of cross-border transactions and reducing settlement delays by 18%.

Developed over 25 interactive Tableau dashboards to visualize revenue performance, regional P&L trends, sales pipeline Built responsive web applications using Python, Django, React.js, and REST APIs, enabling smoother client data workflows and reducing manual operations by 30% in financial domain projects.

• Developed and maintained end-to-end modules in a microservices architecture with Flask, PostgreSQL, and Docker, ensuring scalability and boosting application performance by 25% for retail clients.

• Collaborated with senior developers in Agile/Scrum teams, participated in sprint planning, and delivered user stories on time, improving on-time delivery rate from 82% to 95%.

• Designed RESTful APIs for payment gateway integration, using Django REST Framework, enhancing transaction success rate and enabling seamless e-commerce checkout experience for 50K+ users.

• Implemented unit and integration tests with PyTest and Selenium, automating regression testing and reducing QA cycle time by 40% across two large-scale applications.

• Assisted in database design and optimization using PostgreSQL and MySQL, creating efficient indexing strategies that improved query performance by 20% in client analytics systems.

• Deployed applications on AWS EC2, S3, and Lambda with CI/CD pipelines in Jenkins, accelerating deployment frequency from monthly to bi-weekly without downtime.

• Enhanced front-end UI/UX with React.js, JavaScript, and Bootstrap, improving user engagement and reducing customer complaints by 18% for internal HR management tool.

• Created interactive dashboards in Python with Flask and Chart.js, giving stakeholders real-time insights into customer onboarding KPIs, which improved decision-making efficiency.

• Documented project workflows, participated in code reviews and peer mentoring, contributing to knowledge sharing and improving junior developer onboarding time by 25% within the team.