Sandhya Patil

Experienced Full-Stack Developer with over 10 years of experience designing, developing, and supporting enterprise software solutions using C#, .NET, ASP.NET Core, and distributed application architectures. Proven expertise in software design, troubleshooting, performance optimization, and full SDLC execution. Strong technical leader with experience delivering scalable solutions, mentoring teams, and collaborating with stakeholders to drive successful project outcomes

Senior Software Engineer at BT eServ India Pvt. Ltd (2021-10 – Present)

• Led the design, development and implementation of complex software solutions using C#, ASP.NET Core, REST APIs, and PostgreSQL, supporting high-volume enterprise applications with emphasis on scalability, performance, and reliability
• Developed multithreaded and asynchronous application components to improve system throughput, responsiveness, and resource utilization
• Spearheaded large-scale cloud migration initiatives to AWS, ensuring seamless transition of mission-critical applications while improving scalability, reliability, and operational efficiency
• Played a pivotal role in the ARCAM transformation program, modernizing legacy systems into cloud-native architectures aligned with enterprise standards and best practices
• Provide technical leadership and architectural guidance, influencing key design decisions and ensuring alignment with enterprise architecture frameworks
• Led architecture modernization initiatives, improving system scalability, performance, and reliability while resolving complex production issues through root cause analysis and corrective actions
• Designed and implemented highly available and fault-tolerant.NET Core applications using Docker for containerization and Kubernetes (Amazon EKS) for orchestration, leveraging AWS services including Amazon ECS, AWS Lambda, Amazon S3
• Developed a React application with a.NET Core backend to provide a centralized user interface for viewing system details, including landscapes, interfaces, and their specifications, along with full CRUD functionality for managing the data
• Developed and optimized serverless applications using AWS Lambda to streamline operational processes and reduce manual intervention
• Implemented event-driven architecture using Apache Kafka and Python, enabling real-time data processing and reliable system integration
• Established secure authentication and authorization mechanisms aligned with enterprise security and compliance requirements
• Led performance optimization initiatives through application tuning, database optimization, and architectural improvements, significantly enhancing system responsiveness and throughput
• Designed and developed scalable RESTful APIs integrated with MongoDB and enterprise platforms to support critical business operations
• Conducted root cause analysis and resolved complex production issues, significantly improving application stability, availability, and user experience
• Collaborated closely with business stakeholders, architects, product owners, and development teams throughout the complete SDLC lifecycle
• Actively contributed to Agile delivery practices including sprint planning, backlog refinement, code reviews, and release management using JIRA

Senior Software Engineer at Xangars Solutions Pvt. Ltd (2020-09 – 2021-09)

• Participated in all phases of the Software Development Life Cycle (SDLC), including requirements of gathering, analysis, solution design, development, testing, and deployment
• Developed scalable, maintainable, and high-performance applications aligned with business requirements and client expectations
• Conducted code reviews, debugging, and issue resolution activities to ensure delivery of high-quality software solutions
• Collaborated with business stakeholders to gather, refine, and translate requirements into effective technical solutions
• Contributed to continuous improvement initiatives focused on enhancing application quality, development efficiency, and overall system reliability
• Worked closely with cross-functional teams to ensure timely delivery of project milestones and successful implementation of business requirements

Senior Software Engineer at Sellcraft Technologies Pvt. Ltd (2018-10 – 2020-08)

• Managed the complete application development lifecycle, including requirement gathering, development, deployment, production support, and ongoing enhancements
• Collaborated with international clients to understand business requirements and deliver customized software solutions aligned with organizational goals
• Designed, developed, and maintained enterprise web applications using ASP.NET and C# technologies
• Developed reporting solutions using SSRS and supported data integration activities to facilitate business reporting requirements
• Implemented unit testing using NUnit to improve code quality, application stability, and maintainability
• Developed responsive and user-friendly interfaces using HTML and CSS, ensuring cross-browser compatibility and optimal user experience
• Resolved application issues within defined timelines while maintaining high standards of quality and customer satisfaction
• Participated in enhancement planning and technical discussions to support continuous product improvement initiatives

Software Engineer (.NET Developer) at Paramatrix Technologies Pvt. Ltd (2015-07 – 2018-08)

• Contributed to the technical design, development, testing, deployment, and support of enterprise applications using Microsoft technologies
• Developed backend services, APIs, and database-driven applications using C#, ASP.NET MVC, Entity Framework, and SQL Server
• Analyzed existing software implementations and introduced performance improvements to enhance application efficiency and reliability
• Collaborated with stakeholders to gather requirements, define technical specifications, and develop effective business solutions
• Developed and executed comprehensive unit test cases to ensure application quality, stability, and maintainability
• Supported integration projects and resolved business-critical issues to ensure seamless information flow across systems
• Worked closely with project managers and business teams to deliver high-quality solutions within project timelines
• Contributed to continuous improvement initiatives by recommending and implementing best practices

Bachelor of Engineering in Information Technology – Shivaji University (2011-08 – 2015-07)