Umashankar Sharma
@umashankarsharma
I build secure Java backend and IVR applications for enterprise contact centers.
What I'm looking for
At Black Box Limited, I built and deployed backend digital and contact center applications for Xiaomi, TCS, Banglalink, and Walaa Insurance.
I integrated secure RESTful APIs and SOAP web services, replaced direct database dependencies with centralized APIs, and developed complex application logic to improve performance, connectivity, and maintainability. I also led System Integration Testing and User Acceptance Testing and provided post-go-live monitoring and debugging support for stable deployments.
I've grown from Graduate Engineering Trainee to Senior Engineer, working with Java, Spring Boot, microservices, Avaya Interactive Response systems, and Agile development.
Experience
Work history, roles, and key accomplishments
Health and well-being
Career Break
Aug 2024 - Dec 2024 (4 months)
Worked as Health and well-being at Career Break.
Senior Engineer - Digital Applications
Black Box Limited
Oct 2022 - Jul 2024 (1 year 9 months)
Designed and deployed backend solutions for enterprise digital applications and contact center solutions, enhancing customer service and operational efficiency for clients such as Xiaomi, TCS, Banglalink, and Walaa Insurance. Engineered complex logic, integrated secure RESTful APIs and SOAP web services, and led UAT and SIT to ensure reliable deployments.
Senior Engineer - Digital Applications
Oct 2022 - Jul 2024 (1 year 9 months)
Designed and deployed backend solutions for enterprise digital applications, contact center solutions enhancing customer service and operational efficiency for Xiaomi, TCS,Banglalink and Walaa Insurance.
Engineered complex logic and integrated secure RESTful APIs and SOAP web services into applications and Replaced direct database dependencies to improve application functionality and performance
Engineer - Digital Applications
Oct 2021 - Sep 2022 (11 months)
Worked as Engineer - Digital Applications at Black Box Limited (Formerly AGC Networks Ltd).
Graduate Engineering Trainee
Sep 2020 - Sep 2021 (1 year)
Worked as Graduate Engineering Trainee at Black Box Limited (Formerly AGC Networks Ltd).
•Leveraged Python, NumPy, and Pandas to perform advanced data manipulation and analysis, efficiently processing datasets to support data-driven decision-making. •Executed a critical MongoDB upgrade across the system, optimizing query execution times for large datasets and successfully reducing memory usage.
Worked with core technology group of the organisation. Learned to use python during internship and has been exposed to predictive analytics solutions of organisation.
Also worked on MongoDB version upgrade for optimization of big data memory and time performance up to 5 times
Education
Degrees, certifications, and relevant coursework
National Institute of Technology Delhi
Bachelor of Technology, Electrical
2015 - 2020
Pursued a Bachelor of Technology in Electrical Engineering, building a strong foundation in engineering principles and technical problem-solving.
The Army Public School, Dhaula Kuan, New Delhi
High School Diploma, Computer Science
2011 - 2014
Completed secondary education with a focus on Computer Science, developing foundational knowledge in computing and programming.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Job categories
Skills
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