Sumant Kumar
Summary
IT professional with 12+ years of experience, including over 4+ years in site reliability engineering.
Proven track record in enhancing scalability and performance in critical environments through effective incident management.
Developed robust applications using Java frameworks such as Spring and Hibernate, establishing a strong foundation in application architecture.
Overview
2
2
Languages
1
1
Certification
14
14
years of professional experience
Work History
Associate Technology Specialist
Tech Mahindra
Noida, Uttar Pradesh
10.2023 - 04.2026
- Owned end-to-end monitoring and observability to drive consistent cloud performance.
- Drove SLO and SLI oversight through proactive monitoring to sustain availability.
- Facilitated the blameless postmortem program across 30+ production incidents, driving action-item tracking and a weekly incident review
- Coordinated technical responses to complex incidents to reduce downtime impact.
- Accounted for on-call technical support to meet SLAs through faster resolution.
- Governed incident management through on-call rotations and structured postmortems.
- Accounted for Kubernetes pod operations and fault triage alongside client updates.
- Established Kubernetes standards by defining pod management practices and remediation steps.
- Manage and optimize Kubernetes pods and troubleshoot issues while handling client communications
- Set Linux-based update and monitoring routines to keep servers stable.
- Directed documentation of procedures and configurations to support compliance and knowledge transfer.
Senior Software Engineer
Celestial Systems
Noida, Uttar Pradesh
11.2021 - 08.2023
- Gather end-user requirements and translate client needs into practical applications.
- Design and implement software solutions using Java Spring and Angular frameworks.
- Collaborate with clients using direct discussions and agile delivery practices.
- Manage Kubernetes clusters and monitor health via dashboards and alerting.
- Identify early indicators to prevent incidents and reduce production disruption.
- Manage and monitor containerised applications achieving 99.9% uptime consistently.
- Reduce downtime incidents by 40% through focused reliability improvements.
- Maintain high availability and performance using proactive monitoring and SLO/SLI.
Java Developer
FCM Travel Solutions
Gurgaon, India
02.2020 - 11.2021
- Work on developing features for the Sales Tracker application.
- Collaborate with clients for requirement gathering and enhancements.
- Write APIs and manage SQL queries to fix issues encountered during UAT.
- Engage in application development using Spring and Angular frameworks.
Software Engineer
Cognam Technologies
06.2014 - 02.2020
- Develop Java applications for Uniteller remittance platform from scratch.
- Built Java Struts and Hibernate modules, implementing targeted coding improvements for enhanced functionality.
- Write clean, efficient, testable code that stays maintainable.
- Troubleshoot and resolve live production bugs to restore service stability.
- Monitor application health, uptime, and performance bottlenecks actively.
- Contributed to each development lifecycle phase through hands-on delivery tasks, ensuring timely project completion.
- Prepared end user documentation and delivered training sessions, facilitating user adoption and understanding of the system.
Software Developer
Ozdocs India Pvt Ltd
01.2012 - 01.2014
- Collaborated with cross-functional teams to enhance application functionalities, improving user experience and satisfaction.
- Wrote complex SQL Server queries and built report visualisations to support data-driven decision making.
- Conducted manual testing for Java applications, ensuring quality and functionality of software releases.
Education
MCA (University OF Pune)
Skills
- Kubernetes
- Docker
- Linux
- Monitoring observability
- New Relic
- Dynatrace
- Grafana
- Kibana
- Site reliability
- Terraform
- Incident management
- Java-Spring Boot
- Hibernate
- ORM framework
- Software engineering
- Github
- Agile methodology
Certification
Certified Kubernetes Administrator (CKA)
Languages
Hindi
English
Timeline
Associate Technology Specialist
Tech Mahindra
10.2023 - 04.2026
Senior Software Engineer
Celestial Systems
11.2021 - 08.2023
Java Developer
FCM Travel Solutions
02.2020 - 11.2021
Software Engineer
Cognam Technologies
06.2014 - 02.2020
Software Developer
Ozdocs India Pvt Ltd
01.2012 - 01.2014
MCA (University OF Pune)