Anuj Bansal, Developer in Gurugram, Haryana, India
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Anuj Bansal

Verified Expert  in Engineering

DevOps Engineer and Software Developer

Gurugram, Haryana, India
Toptal Member Since
April 29, 2021

Anuj is a DevOps engineer with experience delivering top-notch projects—cloud infrastructure, migration, web development, and scripting—for top tech enterprise companies like eBay, BriteCore, Jsgenesis, Trilogy, and Oracle. He is a 5x Certified AWS engineer and has won prestigious tech awards like the Ericsson Innovation Award (2016) and Accenture Innovation Jockeys 5. Anuj also writes articles, teaches programming, and contributes to the OSS world.


CoW Protocol
Blockchain, Ethereum, Ethereum Smart Contracts, Geth (go-ethereum), AWS IAM...
Amazon Web Services (AWS), Amazon S3 (AWS S3), AWS Lambda...
Amazon Web Services (AWS), Ansible, Linux, Bash, Kubernetes, Pulumi, Docker...




Preferred Environment

Amazon Web Services (AWS), Linux, Git, Infrastructure as Code (IaC), Migration, Docker

The most amazing...

...project I've done is to help a SaaS company transition from monolithic to a microservice-based architecture on AWS.

Work Experience

Senior DevOps Engineer

2022 - 2023
CoW Protocol
  • Wrote and deployed infrastructure as code from scratch using Pulumi. Integrated Grafana, Prometheus, Amazon EKS, AWS SSO (now AWS IAM Identity Center), ElastAlert, and Fluentd into the DevOps stack.
  • Developed a reliable and scalable Ethereum node infrastructure at a quarter of the cost of what the external providers were offering.
  • Integrated OpsGenie, an incident response tool that provides reliable notifications for downtime incidents. This improved our response time to an incident from eight hours (when the on-call goes to sleep) to less than 10 minutes.
  • Implemented a CI/CD pipeline to automate the deployment and release process for Kubernetes applications.
  • Identified, implemented, and monitored the SLIs for different microservices and ensured that they were within SLA.
Technologies: Blockchain, Ethereum, Ethereum Smart Contracts, Geth (go-ethereum), AWS IAM, Amazon EKS, Pulumi, Kubernetes, Amazon CloudFront CDN, Docker, Web3, AWS Lambda, Linux, Rust, Elastic Load Balancers, Identity & Access Management (IAM), Software Development Lifecycle (SDLC), DevOps, Infrastructure as Code (IaC), Google Workspace, AWS Cloud Architecture, Software Architecture, Node.js, CI/CD Pipelines, Amazon EC2, GitHub Actions, Amazon RDS, GitHub, IT Operations, Cloud Architecture, Cloud Infrastructure, Control & Cost Analysis, Ansible, Configuration Management, AWS Simple Notification Service (SNS), Site Reliability Engineering (SRE), Cloud Security, DevSecOps

Senior DevOps Engineer

2022 - 2022
  • Developed a data preparation pipeline based on serverless infrastructure using AWS Lambda and AWS Step Functions from scratch.
  • Built CI/CD pipelines for automated testing and deployment to staging and production environments.
  • Processed millions of S3 files into Amazon DynamoDB using Lambda and AWS Step Functions.
  • Wrote automation for daily reports parsing DynamoDB and S3 data.
Technologies: Amazon Web Services (AWS), Amazon S3 (AWS S3), AWS Lambda, Serverless Architecture, AWS Step Functions, Data Pipelines, Automation, Identity & Access Management (IAM), Infrastructure as Code (IaC), DevOps, Amazon Cognito, AWS Cloud Architecture, Node.js, CI/CD Pipelines, GitHub Actions, GitHub, Amazon Simple Email Service (SES), Amazon MSK, IT Operations, Cloud Architecture, Cloud Infrastructure, Control & Cost Analysis, Configuration Management, AWS IAM, AWS Simple Notification Service (SNS), Site Reliability Engineering (SRE)

Lead DevOps Engineer

2021 - 2022
  • Built and maintained the development, staging, and production infrastructure for the Joystream blockchain on AWS.
  • Automated stack deployment of various components on AWS EKS Kubernetes clusters using Pulumi.
  • Wrote Ansible playbooks, Bash scripts, and AWS CloudFormation templates for dynamic infrastructure creation.
  • Wrote CI/CD pipelines using GitHub Actions and custom self-hosted runners per operating system type in AWS.
Technologies: Amazon Web Services (AWS), Ansible, Linux, Bash, Kubernetes, Pulumi, Docker, Solution Architecture, Architecture, Automation, Infrastructure as Code (IaC), DevOps, Identity & Access Management (IAM), AWS Cloud Architecture, CI/CD Pipelines, GitHub Actions, GitHub, Cloud Architecture, Cloud Infrastructure, Configuration Management, AWS IAM, Site Reliability Engineering (SRE), Amazon EKS, DevSecOps

Senior Site Reliability Engineer

2020 - 2021
  • Deployed over 20 SaaS products on cloud services such as AWS and VMware on AWS.
  • Migrated projects (lift and shift) with over 1,000 servers from on-premise and hybrid cloud environments to VMware on AWS.
  • Developed infrastructure-as-code modules using Terraform, CloudFormation, and Ansible for provisioning and configuration management.
  • Built internal tools using FastAPI (Python) to automate the migration process based on VMware vMotion and HCX.
  • Migrated a Java Spring Boot application to Kubernetes using the ELK stack for logging.
Technologies: VMware, Linux, Migration, Python, Infrastructure as Code (IaC), Networks, Amazon Web Services (AWS), DevOps, Bash Script, Ansible, Terraform, Site Reliability Engineering (SRE), Windows PowerShell, Identity & Access Management (IAM), AWS Cloud Architecture, Amazon EC2, GitHub, On-premise, IT Operations, Cloud Architecture, Cloud Infrastructure, AWS IAM

Platform Engineer

2017 - 2019
  • Transformed the monolith server into microservice-based architecture on AWS. Worked on CloudFormation, CloudWatch, RDS, EC2, S3, Lambda, Sentry, and Python.
  • Built reusable CloudFormation templates, enabling service engineers to build, test, and deploy their services in a stable and efficient manner.
  • Added over 30 features, supporting over $3 million in revenue clients on the insurance platform.
  • Coached junior developers joining the team, doing frequent pair and mob programming sessions.
  • Collaborated with clients and business users to define roadmaps, feature priorities, and solutions for various business needs.
Technologies: Python, Flask, MySQL, AWS Lambda, Amazon CloudWatch, AWS CloudFormation, Amazon Web Services (AWS), GitHub, DevOps, Identity & Access Management (IAM), AWS Cloud Architecture, Software Architecture, Node.js, CI/CD Pipelines, Amazon EC2, Amazon RDS, IT Operations, Cloud Architecture, Cloud Infrastructure, Configuration Management, Terraform, AWS IAM

Application Developer 2

2017 - 2017
  • Built internal tools for rapid deployment and monitoring of projects using Java, SQL, jQuery, and Oracle Apex.
  • Implemented Access Control Engine (ACE) to manage security for various applications and groups across Oracle Application Lab (OAL).
  • Developed stored procedures and functions on an Oracle database for better transactional management.
  • Wrote design documents, unit tests, and documentation.
Technologies: JavaScript, Java, SQL, jQuery, Apex, Oracle Database, IT Operations

Software Engineer

2016 - 2016
  • Designed and implemented a web portal for streamlining the hiring process; it was built using Django and MySQL.
  • Implemented an automatic mailing system and push notifications.
  • Developed Cron jobs and LDAP authentication with caching resulting in a 5x decrease in login latency.
Technologies: Django, MySQL, LDAP

Automated Blockchain Network Deployment
• Wrote CloudFormation and Ansible scripts to deploy a blockchain network with custom configurations.
• Wrote GitHub action workflow to deploy the infrastructure from the GitHub UI.
• The scripts created geographically dispersed EC2 instances with custom configuration, security groups, S3 buckets, and CloudFront distribution.

Jive Migration to VMware on AWS

• Discovered and analyzed the deployed infrastructure in multiple data centers.
• Designed the network topology and deployed it for every workload.
• Performed a replatform analysis to evaluate modifications in the product to adapt it to the cloud.
• Wrote scripts to automate the lift-and-shift process.
• Migrated workloads to the cloud (over 1,000 servers and 200 containers).

Merging Ten VMware SDDCs into a Single SDDC

• Automated the process of consolidating multiple SDDCs into a single SDDC using VMware vMotion and HCX.
• Created an API-based workflow (in FastAPI) that would communicate with HCX and VMware vSphere APIs.

Continuous delivery architecture for 3 tier Node application

I designed a continuous delivery architecture for a scalable and secure 3 tier Node.js application.

Project Details:
• The infrastructure was completely provisioned using CloudFormation.
• The service was updated without any downtime.
• The system automatically handled instance failures.
• There were automatic daily backups for the database.


Python, C, C++, Java, HTML, JavaScript, SQL, Apex, Bash Script, Bash, Rust


Git, Ansible, Terraform, AWS IAM, Amazon EKS, AWS CloudFormation, VMware, Amazon Cognito, Amazon Simple Email Service (SES), AWS Simple Notification Service (SNS), Amazon Virtual Private Cloud (VPC), Amazon CloudWatch, Amazon Elastic Container Service (Amazon ECS), AWS Fargate, GitHub, AWS Step Functions, AWS Key Management Service (KMS), Geth (go-ethereum), Amazon CloudFront CDN, Amazon ElastiCache


DevOps, DevSecOps, Continuous Delivery (CD), Continuous Integration (CI), Serverless Architecture, Automation, DDoS


Linux, Amazon Web Services (AWS), Docker, Kubernetes, Amazon EC2, AWS Lambda, Heroku, Oracle Database, Blockchain, Ethereum


Amazon S3 (AWS S3), MySQL, Data Pipelines, On-premise


Migration, Site Reliability Engineering (SRE), CI/CD Pipelines, Identity & Access Management (IAM), AWS Cloud Architecture, Amazon RDS, AWS DevOps, IT Operations, Cloud Architecture, Cloud Infrastructure, Configuration Management, Infrastructure as Code (IaC), Pulumi, Software Development Lifecycle (SDLC), Software Architecture, GitHub Actions, Control & Cost Analysis, Cloud Security, Networks, VMware VMotion, LDAP, AWS CodePipeline, Solution Architecture, Architecture, Web Security, Encryption, Access Control, Data Protection, Web Application Firewall (WAF), Ethereum Smart Contracts, Web3, Elastic Load Balancers, Google Workspace, Amazon MSK


Flask, Django, Parity Polkadot, Windows PowerShell


jQuery, Node.js

Industry Expertise


2013 - 2017

Bachelor's Degree in Computer Science

BITS Pilani - Pilani, India


AWS Certified SysOps Administrator - Associate

Amazon Web Services


AWS Certified Security - Specialty

Amazon Web Services

MARCH 2022 - MARCH 2025

AWS Certified Developer Associate



AWS Certified Cloud Practitioner

Amazon Web Services


AWS Certified DevOps Engineer — Professional

Amazon Web Services


AWS Certified Solutions Architect — Professional

Amazon Web Services


AWS Certified Solutions Architect Associate