Arindam Saha
Backend Development Architect at Flux Auto- Claim this Profile
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English Full professional proficiency
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Bio
Credentials
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AWS Certified Solutions Architect – Associate
Amazon Web Services (AWS)Dec, 2021- Nov, 2024 -
AWS Certified Developer - Associate
Amazon Web Services
Experience
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Flux Auto
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India
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Automotive
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1 - 100 Employee
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Backend Development Architect
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Jun 2021 - Present
Architecting and developing backend Rest APIs for an application usingMongoDB, Express and Node JS.Working in Agile project methodology and delivering the accepted functionalityin each sprint.Architecting/designing, implementing schema for Rest APIs using Postman.Designed and developed token based authentication for Rest APIs.Designed and developed templates for email notification for sending OTP, userinvitation using AWS SES for Rest APIs.Designed and developed custom event logging framework, resource loadingbased on environment.Architected/designed and developed mongo schema using Mongoose.Testing of APIs using JMeter and Postman.Managing Project scope, schedule status and documentation.Managing test cases using Postman.Responsible for maintaining our local and remote repositories, resolving mergeconflicts and overall version control for the build and deployment.Deployed and configured Git repositories with branching, forks, tagging andnotifications.Using Git, Git Lab, Source tree tools to create master, branches, clone, push andpull activities.Configured and managed various AWS Services including EC2, RDS, VPC,Lambda, SES, S3.Create AMIs for mission critical production servers for backup.Configuring the Continuous integration and Deployment(CI/CD) of the code onto AWS cloud.Configuring Cost Explorer to view and analyze costs and usage, AWS Calculatorfor cost estimation and managing spent using AWS Budget.Focusing on 'server less' architecture using API Gateway, Lambda, andMongoDB.Working on deploying AWS Lambda code from Amazon S3 buckets. Created aLambda Deployment function, and configured it to receive events from the S3bucket.Using ClickUp to manage Project deliverable tasks and estimations andtimelines.
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eWay Corp
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India
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IT Services and IT Consulting
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1 - 100 Employee
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Delivery Manager
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May 2020 - Feb 2021
Managed Delivery team to effectively deliver solutions for US based clients.Managed Developer team & QA team and Delivery team at USA.Proposed technical solutions to Developer team.Managed SA team for managing cloud infrastructure on AWS.Worked on Architecture Diagram and DevOps solutions.Managed full process from product developing to Delivery using Scrumtechnology in Microsoft VSTS and DevOps by integrating Git and assigningtickets and following up the deliverables.Worked on Atlassian product, JIRA for Project kick-off, project estimation /timelines and deliverable tasks.Worked on project scope, planning, estimation and workflow with Dev teamand QA team.Managed Support & Maintenance team.Worked on Project Documentation and Designing High Level ArchitectureDiagram (HLD).Worked on Azure CI/CD pipeline and Repository for Staging and Productionenvironment setup.Worked on AWS architecture using 3rd party tool to automate download anduploading with versioning from/to S3 and storing into RDS with Lambda.Worked on AWS AWS Lambda, AWS code deploy, AWS Load Balancer, AWSCloudFormation.Worked on 'server less' architecture using API Gateway, Lambda, and DynamoDB and deployed AWS Lambda code from Amazon S3 buckets.Worked on WAF, Inspector, Uptime for security and Monitoring sites and servers.Worked with the developers for code verification, code optimization and Codeapproval rule policy using AWS CodeCommit.Responsible for Code approval.Worked on database with RDS, Aurora, SQL with Multi-AZ.Worked with SA team for managing SSL/TLS certificates and AWS ACM.Worked on AWS Systems Manager for patching automation.
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Cogenerate Technologies
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India
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IT Services and IT Consulting
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1 - 100 Employee
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Cloud Service Delivery Lead
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Apr 2019 - Apr 2020
Managed team to effectively deliver solutions for clients.Worked on Project Documentation and Designing High Level ArchitectureDiagram (HLD).Orchestrated CI/CD processes by responding to Git triggers and dependencychains and environment setup.Used Ticketing tool JIRA to manage projects & deliverable tasks.management, monitoring tools like CloudWatch in different work environmentsin real and container workspace.Worked on Containers in Docker.Worked on AWS opswork, AWS Lambda, AWS code deploy, AWSCloudFormation.Worked on continuous delivery framework using Jenkins.Created dynamic routing/load balancing capability enabling large applicationscaling, used ingress rules and Ingress Controllers- Nginx.Worked on AWS SDK to bulk upload of Images with custom defined metadatato S3.Worked on execution of Migration from Monolith Application to Micro services.Migration from On-premise Infrastructure to Cloud (AWS).Performed AWS Cloud administration managing EC2 instances, S3, SES and SNSservices.Created Buckets in AWS and stored files. Enabled Versioning and security for filesstored.Created Python scripts to automate AWSS3 data upload/download and controlinstance operations with AWS API.Configured AWS IAM and security group in VPC (Public and Private Subnets).Worked on Bash Shell Scripting and CRON job automation.Worked on CI/CD pipeline using AWS Code pipeline and Jenkins.Migrating existing on-premises applications to AWS from end to end - Web/appservers, databases, load balancer, etc.Worked on AWS Rekognition, Kinesis for a IoT based project for FaceRekognition.Worked on creating a Hyperledger Fabric using micro-services (Kubernetes) inPoC project by implementing Kafka model.Worked on Multiple AWS instances, set the security groups, Elastic Load Balancerand AMIs, Auto scaling to design cost effective, fault tolerant and highlyavailable systems.Worked on AWS Calculator for cost estimation and managed using AWSBudgets.
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Head of IT
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Aug 2009 - Mar 2019
• DC to Cloud Migration: Discovery, Assessment and Designing Target AWS Cloud Architecture for HIMS Environment. Architecting and Setting up AWS Infrastructure in line with Application LandscapeRequirement Specs.• Hands on experience in Configuring VPC, Subnets, Security Groups and route tables according to the architecture and requirements.· Creating and configuring RDS, ELBs and auto scaling by analyzing requirements, Provisioning EC2 instances according to the requirements and configuring networking connectivity to them by analyzing access limit (private or public subnets) to it with ensuring security, Troubleshooting EC2 instance and ELB issues. IAM: Identity Access Management- Providing restricted and only required access to users to AWS resources (services), Provisioning S3 storage resources for users and managing access to them. Cross account access to S3 resource and EC2 instance accessing S3 resources management. Provisioning AWS Glacier Vaults and managing specific access to the vaults specific to users with restricting access user to download, upload or multipart upload/download. Monitoring CloudTrail and CloudWatch to analyze and access the system and event logs.• End to end Web Application development (HIMS: Hospital Information Management System) & Management.• End to end On-premise Data Centre Provisioning & Data Centre life cycle Management.• Architecting documental & functional work flow of HIMS of full work flow of (HIMS: Hospital Information Management System).• Worked extensively on Performance tuning with maintaining existing data migration program with occasional upgrades and enhancements, System Integration Testing and User Acceptance Testing, Application Release Deployment Management.• Responsible for performance SQL Database maintenance, security & optimizations.• Worked extensively on the Infrastracture Administration & Management.
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ININE TECHNOLOGIES LLC
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India
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IT Services and IT Consulting
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1 - 100 Employee
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System Analyst
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Jun 2008 - May 2009
• Designed advanced SQL queries, stored procedures, triggers, scripts, cursors.• Created, maintained, modified, and optimized SQL Server databases.• Collaborated with other programmers on data modeling.• Optimized query and table design with knowledge of database performance and capacity.• Wrote queries, and stored procedures and followed company reporting and analytical needs.• Run, reconciled, and performed quality control checks on collected Data.• Verified data flow of the system and its functional activities.
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Computronics International Ltd
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India
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Computer and Network Security
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Software Engineer
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Feb 2006 - May 2008
• Managed the installation of HMI and PLC application software development.• Interacted with the client for project discussions and project management issues and worked on the requirement analysis and reviewed the enhancements in requirement specifications.• Designed and coded enhancements and provided technical advice on bugs and enhancements.• Resolved customer issues working with the Support team. This included logging into their onsite Advance installation.• Learned and performed database operations by way of on the job training to include backups, restores, script creation, schema alterations and enhancements, and job creation for automating services.• Customized & developed a number of complex reports to meet Customer’s needs.
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Project Engineer
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Mar 2002 - Jul 2005
• Performed the role of Team Lead by operating and supervising 15-20 Site-Engineers and Technicians and contributed full technical support onsite & remote for the 3 respective hydraulic power stations from centralized power station.• Developed the Ladder Logics using RS-Logix (Rockwell Application) and d designed and developed different level of HMIs using Rockwell Application.• Engaged in database maintenance in ORACLE8i with the 24 hours continuous bulk data at scheduling database server backup plan.• Developed stored procedures for integrating the bulk data with RS-SQL and Oracle.• Designed and developed the MIS report using Delphi and quick-report.• Provided contribution in the development and configuration for hosting web service using Tomcat Apache.• Monitored the performance and improvement of SCADA system for optimization of the Server & Workstation PCs.• Worked on the VOIP using VSAT and RF-Link (WiLAN) networking technology for communication of voice as well as data in between 3 power stations and client’s administrative building.
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Technical Assistant
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Jun 2000 - Jan 2002
• Development of PLC logic program equipping with PLC/HMI according to client’s requirement.• Designing of SCADA based application screens in Rockwell Application.• Participated in time to time Review meetings of the completion of the project and worked on the configuration management and programming documentation.• Successfully completed training on Delphi to integrate the communication between Rockwell & Oracle8i and on ABB PLC / Rockwell Application.• Learned and worked on the Instruments, i.e. YBL Recorders, Analog-Digital IO Modules, Sensors for SCADA application.
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Servicing Engineer
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Jul 1996 - Jul 1999
• Worked on assembling, troubleshooting, diagnosis and resolution of computer hardware and software related issues for customers.• Installation and configuration of Operating System (Win9x/NT/XP/ME/Vista/all versions), drivers and software.• Worked on Norton Ghost, Seagate to re-image machines, Disk imaging as needed.• Provided expertise to assist customers in decision making for the solution on hardware or software.• Provided Firewall solutions by configuring for protecting data from virus & malware attacks.
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Education
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Indira Gandhi National Open University
Master of Computer Applications (MCA) -
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University Of North Bengal
Graduate, B.Com.
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