Summary
Overview
Work History
Education
Skills
Accomplishments
Languages
Disclaimer
Core Technical Skills
Professional Highlights
Timeline
Generic
Rahul Kumar

Rahul Kumar

Yamuna Nagar

Summary

Dynamic Senior Application Integration Engineer with extensive experience at APEX GROUP LTD., specializing in API integration and application lifecycle management. Proven track record in optimizing system performance and enhancing reliability through innovative solutions. Adept at collaborating across teams, ensuring high availability and effective incident management in complex environments.

Overview

12
12
years of professional experience

Work History

Senior Application Integration Engineer

APEX GROUP LTD.
06.2022 - Current
  • Led end-to-end integration lifecycle including requirements analysis, design, deployment, and production support.
  • Designed, implemented, and supported enterprise-level application integrations using middleware and API-based architectures.
  • Developed and maintained REST/SOAP APIs enabling seamless data exchange between internal and external systems.
  • Collaborated with development, infrastructure, and business teams to deliver secure, scalable integration solutions that met organizational needs.
  • Optimized message flows and implemented monitoring and alerting solutions, enhancing system reliability and performance.
  • Resolved incidents effectively, minimizing downtime and ensuring SLA compliance.

Server Software Analyst

TSYS
12.2020 - 06.2022
  • Analyzed application, middleware, and OS-level issues by reviewing logs, performance metrics, and system behavior.
  • Worked closely with development, infrastructure, and database teams to identify root causes and implement permanent fixes.
  • Provided L2/L3 support for server-based enterprise applications across Windows and Linux environments.
  • Monitored system health and application performance with monitoring tools, proactively resolving potential issues before impact.
  • Supported application deployments, upgrades, and patching activities while ensuring minimal downtime.
  • Created and maintained incident reports, SOPs, and knowledge base documentation to streamline support processes.
  • Contributed to production support and change management, ensuring adherence to SLAs and minimizing service disruptions.

DevOps / Linux Administrator

SEROSOFT SOLUTIONS PVT LTD
06.2018 - 12.2020
  • Implemented CI/CD pipelines to automate application builds, testing, and deployments.
  • Containerized applications using Docker and orchestrated workloads using Kubernetes.
  • Enhanced deployment speed and system stability by implementing DevOps best practices.
  • Automated routine operational tasks with shell scripts and configuration management tools, reducing manual intervention.
  • Administered and supported Linux-based production systems, achieving high availability and optimized performance.

Windows Server Administrator

E Software Solutions
11.2014 - 05.2018
  • Managed enterprise Windows Server environments including Active Directory, DNS, DHCP, and Group Policy.
  • Executed system upgrades, patching, and security hardening to enhance compliance with organizational standards.
  • Managed virtualization platforms while coordinating backup and disaster recovery activities to ensure data integrity.
  • Diagnosed complex system and application issues, minimizing business impact through effective resolution.

Education

Bachelor’s Degree - Computer Science / IT

Mukand Lal National College
Yamuna Nagar, Haryana

Bachelor’s Degree (B.C.A) -

Kurukshetra University
Yamuna Nagar, Haryana

Master Degree (M.C.A) -

Kurukshetra University
Kurukshetra

Skills

  • Application integration
  • API integration (REST/SOAP)
  • Message queuing systems
  • Data transformation (XML, JSON)
  • CI/CD (Jenkins, GitLab CI, Azure DevOps)
  • Cloud Infrastructure
  • Linux (RHEL, CentOS, Ubuntu)
  • High availability
  • System hardening
  • Patch deployment
  • Incident management
  • Git version control
  • Bash scripting
  • PowerShell scripting
  • Splunk monitoring
  • Identity Management

Accomplishments

  • 10+ years supporting mission-critical enterprise systems
  • Strong blend of system administration + DevOps + integration engineering
  • Trusted senior resource for production support and complex troubleshooting
  • Proven ability to bridge infrastructure and application teams

Languages

  • English, Fluent
  • Hindi, Proficient
  • Punjabi, Proficient

Disclaimer

I hereby declare that the information provided above is true and correct to the best of my knowledge. I am eager to contribute to your esteemed organization and committed to proving myself as a valuable asset.

Core Technical Skills

  • Application Integration & Middleware
  • API Integration (REST / SOAP)
  • Message Queues (RabbitMQ, ActiveMQ)
  • Data Transformation (XML, JSON)
  • Operating Systems & Infrastructure
  • Windows Server (2012/2016/2019)
  • Linux (RHEL, CentOS, Ubuntu)
  • Server Hardening, Patch Management
  • High Availability & Disaster Recovery
  • DevOps & Automation
  • CI/CD (Jenkins, GitLab CI, Azure DevOps)
  • Git, Shell Scripting, PowerShell
  • Monitoring & Security
  • Splunk
  • Incident Management & Root Cause Analysis
  • Access Control & Compliance

Professional Highlights

  • Extensive experience in enterprise application integration and middleware platforms
  • Strong background in DevOps automation and Linux-based systems
  • Proven track record of supporting regulated, production-critical environments
  • Effective collaborator in distributed, multicultural teams

Timeline

Senior Application Integration Engineer

APEX GROUP LTD.
06.2022 - Current

Server Software Analyst

TSYS
12.2020 - 06.2022

DevOps / Linux Administrator

SEROSOFT SOLUTIONS PVT LTD
06.2018 - 12.2020

Windows Server Administrator

E Software Solutions
11.2014 - 05.2018

Bachelor’s Degree - Computer Science / IT

Mukand Lal National College

Bachelor’s Degree (B.C.A) -

Kurukshetra University

Master Degree (M.C.A) -

Kurukshetra University
Rahul Kumar