10/31/2026 updated

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Senior API Integration Engineer | Google Apigee & CA API Gateway Expert | AI-Driven Operations

Kolkata, India
Only remote
B.Tech/B.E. - West Bengal University of Technology (WBUT)
Kolkata, India
Only remote
B.Tech/B.E. - West Bengal University of Technology (WBUT)

Profile attachments

AMIT_KUMAR_PATRA_1008.pdf

About me

Apigee & API Architect | 11+ yrs exp leading legacy (Layer7) to Google Apigee (X/Hybrid) cloud migrations. Expert in zero-trust security (mTLS, OAuth), Kubernetes platform engineering, and Gemini AI-driven automation. Available for contract roles, architecture strategy, and cloud modernization.

Application Programming Interfaces (APIs)Google BigQueryMessaging Application Programming InterfaceWindows APIRedisSystems IntegrationOpenapiEnterprise Application IntegrationGoogle CloudApplication Level GatewaysApigeeDeployment AutomationCloud IntegrationApi DesignApi GatewayApi Management
API Management & Integration
Expertise in Apigee (Edge, Hybrid, X), CA API Gateway (Layer7), API Architecture, REST, SOAP, OpenAPI/Swagger, API Security, Traffic Management, API Governance, and Developer Portals. Proven track record in designing, developing, and deploying enterprise-grade API solutions with zero functional regression.

Cloud & Data Platforms
Hands-on experience with Google Cloud Platform including Apigee, Vertex AI, BigQuery, and Looker Studio, as well as Microsoft Azure and Hybrid Cloud Architecture. Delivery of large-scale cloud migration programs with seamless execution and zero downtime.

AI & Intelligent Automation
Proficiency in LLM, AI Agents, RAG, Vector Databases, Embeddings, Self-Healing Frameworks, Dynatrace Integration, Hugging Face, and Transformers. Development of Agentic AI frameworks using Google Gemini LLM to reduce production incident troubleshooting time from 2.5 hours to 10 minutes.

Containers & Platform Engineering
Solid skills in Docker, Kubernetes, OpenShift, Linux (RHEL, CentOS, Unix), Windows, mTLS, High Availability, and Autoscaling (HPA). Configuration and management of OpenShift Kubernetes clusters for Apigee Hybrid runtime components including node sizing, networking, ingress, and high-availability architecture.

DevOps & Infrastructure Automation
Competence in CI/CD pipelines using Jenkins and GitHub Actions, Git, Helm, Terraform, Infrastructure as Code, and Deployment Automation. Automated migration and deployment promoting proxies, KVMs, target servers, and API products across Dev, QA, Stage, and Prod environments.

Monitoring & Observability
Experience with Dynatrace, Splunk, Google Cloud Logging, CA APM, and Looker Studio for dashboards and visualization. Integration of observability and monitoring tools enabling proactive performance monitoring for migrated APIs.

Programming & Scripting
Proficiency in Python, Shell Scripting, PowerShell, and JavaScript. Development of Python tools to extract data from Dynatrace and Apigee, push to BigQuery, and visualize progress in Looker Studio dashboards.
Implementation of fixpack into over 300 websphere serevers through ansible playbooks. Development of ansible playbooks.

Professional & Leadership Skills
Capabilities in API Strategy, Architecture Design, Stakeholder Communication, Technical Documentation, Mentorship, and Delivery Leadership. Mentoring and supervising teams of engineers, driving sprint execution and earning multiple client sprint excellence awards.

Experience

Professional experience10+ years
Freelancer since2021

Languages

EnglishFluent

Project history

Subject Matter Expert

Guardian Life Insurance Corporation

Insurance

>10.000 team member

I single handedly handle the complete Apigee environment of Guardian.

Systems Engineer - Apigee & CA API Gateways SME and Migration Expert

AutoZone
Served as core technical lead for AutoZone migration from Broadcom Layer7 to Google Apigee X, driving assessment, architecture, design, and execution of the API platform modernization program. Designed and developed Apigee X API proxies for enterprise REST services, implemented enterprise-grade API security using OAuth 2.0, JWT, mTLS, and built AI-driven diagnostic agents reducing troubleshooting time from 2 hours to under 5 minutes. Delivered migration milestones as part of a large-scale API modernization program on Google Cloud Platform.

Technical Lead - Apigee Hybrid Migration Expert (Client: FedEx)

Wipro
Acted as technical lead for FedEx migration from Broadcom Layer7 to Google Apigee Hybrid, owning strategy, architecture, and execution across enterprise environments. Designed, configured, and operated the Apigee Hybrid Management Plane and Runtime Plane across hybrid infrastructure (Azure, GCP, and on-prem). Built and configured OpenShift Kubernetes clusters, implemented mTLS communication, maintained multi-region Cassandra database replication, and mentored a team of 4 engineers.

Senior Associate Consultant (Client: PwC)

Infosys
API development of REST and SOAP APIs in CA API Gateway (Layer7). Automated API policy creation via ServiceNow integration with CA API Gateway Portal APIs. Enforced CA APM Precision Monitoring and used Splunk for log analysis. Provided 24/7 production support for API Gateway environments ensuring high availability, zero downtime, and rapid incident resolution.

IT Analyst (Client: KPMG)

Tata Consultancy Services
Mastered end-to-end Layer7 administration including gateway installation, clustering, replication, and upgrades to high-availability setup and performance tuning. Configured and managed gateway clusters, implemented robust security frameworks with LDAP, SSO, and Kerberos authentication, managed complete certificate lifecycle, and enforced API security through OAuth 2.0, SAML, JWT, and API Key-based authentication.

Certificates

Professional Cloud Architect

Google

2026

Advanced certification in Applied Generative AI

Indian Institute of Technology Madras

2026

RedHat certified system administrator

RedHat

2018

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