Rahul Jangir

I'm

About Me

I am a skilled DevOps & SRE Engineer with over three years of experience in automating cloud infrastructure, orchestrating containers, and setting up high-performance observability pipelines. I specialize in AWS, Terraform, New Relic, and Docker. Certified with JLPT N1, I operate effectively in fast-paced professional Japanese business environments, bridges engineering requirements, and designs high-availability architectures.

Rahul Jangir

Senior DevOps & SRE Engineer

Expertise in AWS, Infrastructure as Code, CI/CD Pipelines & Monitoring.

I am highly dedicated to system reliability, automation, and optimizing release speeds. By introducing modular Terraform architectures, containerizing microservices, and configuring real-time alert filters via New Relic and CloudWatch, I help development teams operate at maximum efficiency while maintaining 99.9% application uptime.

Technical Skills

My core technical expertise spans cloud infrastructure design, automation scripts, continuous integration pipelines, and observability toolsets.

AWS Cloud Services 90%
Infrastructure as Code (Terraform / AWS CDK) 90%
Observability & APM (New Relic / CloudWatch) 85%
Containerization (Docker / ECS Fargate) 85%
CI/CD Pipelines (GitHub Actions) 90%
Linux & Automation Scripting (Bash / Python) 80%
Database Administration (PostgreSQL / DynamoDB / MySQL) 80%
Japanese Professional Communication (JLPT N1) 95%

Resume

Professional milestones, education history, and industry-standard SRE & cloud certifications.

Professional Certifications

AWS Certified Solutions Architect – Associate (SAA)

Amazon Web Services

Validates expertise in designing and deploying secure, robust, and cost-efficient cloud architectures on AWS.

ITIL Foundation Certification

AXELOS

Validates core concepts of IT Service Management (ITSM), incident resolution pipelines, SRE operational workflows, and continuous system enhancement lifecycle.

Japanese Language Proficiency Test (JLPT) N1

JEES / The Japan Foundation

Highest level of Japanese language proficiency, proving fluent professional communication capability in technical business settings.

Education

Bachelor of Computer Applications (BCA)

2024 - 2027

Mangalayatan University, UP, India (Online)

Focusing on system design patterns, object-oriented concepts, structural databases, and networking protocols.

IT Technical Department Diploma

2020 - 2022

Osaka Information and Computer Science College, Osaka, Japan

Studies in systems programming, data structures, network security, database administration, and algorithms. Awarded a **medal for academic excellence** and received the **JASSO Scholarship** for outstanding performance.

Japanese Language Course

2018 - 2020

First Study Japanese Language School, Osaka, Japan

Bilingual training in advanced Japanese grammar, business communications, and social etiquette.

Professional Experience

System Engineer (DevOps & SRE)

Oct 2023 - Present

PayStorage Co., Ltd. (Center Mobile Co., Ltd.), Osaka, Japan

  • Migrated and enhanced a high-volume SIM card sales management system, improving overall reliability and security.
  • Adopted Hexagonal Architecture using **Golang (Gin)** and **Node.js** to decouple core domain logic from infrastructure adapters.
  • Automated AWS cloud resources (ECS/Fargate, Lambda, API Gateway, S3, Cognito, RDS, DynamoDB, CloudWatch) provisioning using **Terraform** and CloudFormation.
  • Implemented real-time APM monitoring dashboards and custom metric filters using **New Relic** and CloudWatch.
  • Configured a serverless event pipeline utilizing CloudWatch logs, SQS queues, and AWS Lambda to router fatal errors to Microsoft Teams instantly.
  • Structured end-to-end GitOps pipelines on GitHub Actions to automate container builds (Docker), code linting (Super-Linter), testing, and rollback deployments.

Programmer (Backend & Infrastructure)

Apr 2022 - Oct 2023

AppTime Inc., Osaka, Japan

  • **Caregiving Product Recommendation App** (Jun 2023 – Oct 2023): Built secure REST APIs in Laravel, managed MySQL schemas, implemented automated PDF generation, and automated staging builds via GitHub Actions.
  • **Roulette Notification System** (Oct 2022 – Dec 2022): Developed a scalable push notification system utilizing **Firebase Cloud Messaging (FCM)** and Laravel. Automated server deployment to AWS EC2 using GitHub Actions and rsync.
  • **Multi-Client Systems**: Managed deployment workflows to AWS (EC2, S3, CloudFront) and optimization of SQL Server and MySQL databases for multiple web products.

SRE & DevOps Case Studies

Practical demonstrations of infrastructure as code, automated pipelines, and cloud observability solutions.

IaC with Terraform

Enterprise IaC Provisioning

Terraform & AWS

Automated multi-environment AWS deployment (CloudFront, Route53, S3, IAM) utilizing modularized, dry configurations and locked state files.

Observability Pipeline

Real-time Observability Pipeline

New Relic & CloudWatch

Configured comprehensive APM metrics, dashboard analytics, and custom alerting tunnels routed to MS Teams via CloudWatch logs and AWS SQS.

Automated GitOps CI/CD

Automated GitOps CI/CD

ECS Fargate & GitHub Actions

Engineered automated workflows for Docker build, static code scans (Super-Linter), and secure zero-downtime rolling updates to ECS.