FullStack Developer
About Candidate
Introduction:
A highly skilled Senior Backend Engineer with extensive experience in designing, developing, and optimizing backend systems for scalability and efficiency. Expertise in Java, Kotlin, and Scala, with a strong foundation in Spring Boot, microservices architecture, and cloud platforms like AWS and Microsoft Azure. Proficient in building and maintaining high-performance financial applications, payment processing systems, and customer portals, leveraging technologies such as Apache Spark, gRPC, and RESTful web services. Skilled in cloud cost optimization, system migration, and automation of invoice processing using industry-standard formats. Adept at database management, working with Oracle, DynamoDB, Redshift, and Databricks, ensuring optimal performance and data integrity. Experienced in frontend development with ReactJS, Angular, and TypeScript, supporting full-stack application development. Strong background in DevOps, CI/CD pipelines, and job scheduling using Apache Airflow and Jenkins. Demonstrated leadership in mentoring teams, conducting peer reviews, and optimizing legacy applications for enhanced performance and scalability. Proven track record in developing reusable libraries, implementing security best practices, and delivering high-quality solutions in banking, fintech, and enterprise applications. Holds AWS Solution Architect and Developer certifications, showcasing expertise in cloud-native application development.
Responsibilities:
- Designed, developed, and optimized backend systems using Java, Kotlin, and Spring Boot for high-performance applications.
- Built and maintained microservices architecture, ensuring scalability, reliability, and security in cloud environments.
- Developed financial settlement portals and payment processing applications, enhancing transaction efficiency and transparency.
- Led cloud migration projects, optimizing system architecture and reducing operational costs using AWS and Microsoft Azure.
- Automated invoice processing workflows, converting XML invoices into standardized formats for streamlined B2B transactions.
- Implemented AWS cost optimization strategies, improving resource management and reducing expenses.
- Developed and maintained APIs using REST, gRPC, and SOAP, enabling seamless integration between various systems.
- Created reusable libraries and standardized components to enhance code reusability and development efficiency across microservices.
- Optimized Apache Spark jobs on Databricks for large-scale data processing and financial calculations.
- Developed and maintained frontend applications using ReactJS, Angular, and TypeScript, improving user experience and system usability.
- Designed and implemented CI/CD pipelines using Jenkins and Git, ensuring seamless deployment and system stability.
- Led defect resolution and debugging efforts, ensuring high system availability and reliability.
- Conducted peer code reviews and mentored junior developers, improving overall team productivity and code quality.
- Managed and optimized databases including Oracle, DynamoDB, Redshift, and Athena, ensuring efficient data retrieval and storage.
- Integrated job scheduling and workflow automation using Apache Airflow for data processing and reporting applications.
- Developed authentication and authorization mechanisms using AWS Cognito and security best practices.
- Collaborated closely with QA and DevOps teams to streamline testing, deployment, and monitoring processes.
- Provided ongoing maintenance, support, and performance tuning to enhance application efficiency and user satisfaction.