Summary
Overview
Work history
Education
Skills
Websites
Certification
Accomplishments
Work availability
Quote
Timeline
BusinessAnalyst
Sarathkumar Kamaraj

Sarathkumar Kamaraj

Full-Stack Developer
Amersham,Buckinghamshire

Summary

With 8 years of extensive industry experience, I specialize in Full-Stack software development, Cloud DevOps, Automation, Web Applications, and Tools Development, along with proficient IT Infrastructure Support.

My expertise spans Software Development, Deployment, and Automation, with a strong command of technologies including ReactJS, Python (Django, Flask, FastAPI), ETL, Test Driven Development, various Databases, AWS services, Data Transformation, Data Migration, Docker, Shell Scripting, CICD, Storage solutions, and Backups.

I possess hands-on experience in managing both structured and unstructured data, executing ETL/ELT processes across diverse environments, and building Restful APIs, Netconf, SNMP, Webhook, and Web-Socket based network solutions. Additionally, I excel in Workflow management, leveraging tools such as Camunda (BPMN) and Node-Red to automate complex business flows.

My background includes extensive work in CI/CD Automation using Containers, Gitlab, CircleCI, Jenkins, Kubernetes, and AWS stacks. I also have a proven track record in requirements gathering and supporting solution design. Furthermore, I have demonstrated proficiency in backend development utilizing AWS Serverless Infrastructure and submodules like Lambda, SQS, SNS, EBS, DynamoDB, RDS, Route 53, EC2, Load Balancer, MSK, EKS, and ECR.

Moreover, I have experience in converting Figma design templates to ReactJS Application Components and seamlessly integrating APIs

Overview

8
8
years of professional experience
5
5
years of post-secondary education
1
1
Certification

Work history

Senior - Technical Lead

Prodapt Ltd (UK) - Client : CityFiber
09.2023 - Current
  • Actively involved in requirement gathering, sprint planning, and release management
  • Working with CityFiber Customer Journey Squard to build an Enterprise level Service Portal to support CF OSS/BSS customers to manage products, billing, and incidents in the Cloud
  • Convert Figma design to React JS Components based on User Stories
  • Integrated backend APIs in Django framework to export real-time data in AWS lambda to process, consume, and publish bulk messages in Kafka, Apache Pyspark
  • Following Test Drive Development and written Unit Test for backend development, Managed Bitbucket CICD pipelines which included Jenkins, and docker to auto-deployment in the customer production environment

Technical Lead

Prodapt Ltd (UK) - Client: National Grid
11.2022 - 08.2023
  • Actively involved in requirement gathering, sprint planning, and release management
  • Built an enterprise workflow management solution along with a closed-loop service automation platform
  • Worked on Frontend development using ReactJS, Material UI, React Query
  • Created scalable microservices web server using Python Fast API Implemented workflow management BPMN using Camunda Integrated Jira, Service Now with assurance platform for automated ITSM process
  • Created events and metrics exporter using Webhooks, and Rest API to process 10k+ data
  • Created Data transformation using Logstash and Elasticsearch to store large data for text search
  • Created GitLab CICD pipelines which include Docker, EKS, Terraform

Technical Lead

Prodapt Ltd (UK) - Client: Virginmedia
London
08.2022 - 11.2022
  • Built an enterprise Network Assurance and monitoring platform (NESA) for OSS/BSS TelCo customers
  • Data collection from OLT/ONT information from Blue Planet Platform.
  • Build custom data collectors to collect events/metrics information and transform, and store data in Elasticsearch, and Prometheus.
  • Developed strategic ways to optimize inventory co-relationships using the Neo4j Graph Database.
  • Visualize Data in Grafana Dashboard and Other Sources.
    Utilized industry-leading tools to support ETL operations.
  • Built High availability and scaled environment for data Collection using a microservices architecture. handle data from 12k+ devices (Webhooks, SNMP, Netconf, TCP/UDP, Websocket, and RestAPI, Time Series)
  • Fully Automated infrastructure deployment using Gitlab CICD on the GCP platform

Technical Lead

Prodapt Ltd (UK) - Client: Vodafone
05.2021 - 09.2022
  • Built an enterprise monitoring platform to monitor private network devices like (Infoblox, Cisco ISE, vManage, Riverbed, DNA, and ASA)
  • Data transformation using Logstash and Elasticsearch, Prometheus and dashboards using Grafana, and Data decoupled using Kafka.
  • Developed strategic ways to optimize inventory co-relationships using the Neo4j Graph Database.
  • Visualize Data in Grafana Dashboard and Other Sources.
  • Utilized industry-leading tools to support ETL operations.
  • Real-time Data Collection in MPN box using custom microservices developed using Python, Events and Metrics are retrieved using a custom exporter to handle data from 12k+ devices (Webhooks, SNMP, and RestAPI, Time series data)
  • Metric details from devices are collected using Rest API and SNMP Walk, Prometheus Pull Exporter.
  • Extracted and transformed data, accurately loading it into the data warehouse (Amazon Redshift, Glue, S3).
  • Fully Automated infrastructure deployment using Gitlab CICD on the AWS platform

Associate Developer

Coextrix Technologies - Client: VitalTech
09.2020 - 05.2021
  • Managed AWS IOT service and Implement Data Flow and Process Pipeline Architecture using AWS service stack
  • Developed a Smartwatch Data Analytics Platform using AWS Lambda Serverless, ReactJS Frontend UI, Router 53, DNS Domains, API Gateway Endpoints, SSL Certificates, IOT, and DynamoDB
  • Implemented the AWS IOT MQTT service to handle 5000+ service requests from Multiple Smart Watch in Managed Environment using AWS services like EC2, VPC, RDS, DynamoDB CloudWatch etc
  • Developed and implemented system testing plans in support of deployments.
  • Support IOT Infrastructure maintenance using AWS IOT Management service

Associate Developer

Coextrix Technologies - Client: PilotFlyingJ
05.2019 - 03.2021
  • Worked on an Industrial Fleet Management System with the ability to manage and maintain logistics in multiple locations.
  • Part of the Project to set up a Hybrid Cloud Environment in AWS
  • Developed a Supply Chain Management POS Platform using AWS Lambda Serverless Management Servers, Angular 8 Frontend UI, SQS, SNS, Elastic Search, RDS, DynamoDB, Apache Kafka, Router 53, API Gateway Endpoints, SSL Certificates, Cloud Servers
  • Analyzing complex systemic behavior and provisioning issues with specific expertise in finding root cause problems and resolving them
  • Providing programming solutions to operations and system administrative problems
  • Developing and managing robust and scalable production quality Scripts in more than one administrative language such as Python and Shell

Research Analyst & developer

Kmine Info Solutions
02.2017 - 04.2019
  • Applications are developed using Python-Django MVC Framework with PostgreSQL backend hosted on Amazon EC2 and Google Cloud Instances
  • Automated provisioning and deployment using Ansible, Jenkins, GitHub, Dockers, and Kubernetes on AWS
  • Create and manage continuous integration and continuous delivery (CI and CD) for Python-Django Applications Maintaining the servers with up-to-date patches and releases

Education

Master of Computer Application -

Anna University
04.2015 - 03.2017

Bachelor of Science - Computer Science

Madurai Kamaraj University
03.2013 - 02.2015

Skills

  • Python Scripting, Pytest
  • Frameworks (Django, FastAPI, Flask)
  • Pandas, Celery, Dask, CronJob
  • PySpark, Kafka
  • ReactJS, Redux, ReactQuery
  • Playwright, Cypress, Jest
  • AWS (ELK, MSK, ReadShift, S3)
  • Grafana
  • Camunda (BPMN), Node-Red
  • Prometheus, Elastic Search
  • Docker, Kubernetes
  • Shell scripting
  • MySQL
  • Postgres
  • DynamoDB
  • Cassandra
  • Big Query
  • Data Bricks
  • Nginx

Certification

Amazon Certified Solutions Architect – Associate

Accomplishments

  • Achieved Spot Light award for excellent contribution in nation grid project delivery - Year (2022 - 2023)
  • Achieved Spot Light award successfully deliver Vodafone MPN project - Year (2021 -2022)
  • Freelancer: Built an end-to-end Subscription-based Sponsorship and Compliance Management solution with schema-level multi-tenancy to support multiple customer domains

Work availability

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
morning
afternoon
evening
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Quote

Do one thing every day that scares you.
Anonymous

Timeline

Senior - Technical Lead

Prodapt Ltd (UK) - Client : CityFiber
09.2023 - Current

Technical Lead

Prodapt Ltd (UK) - Client: National Grid
11.2022 - 08.2023

Technical Lead

Prodapt Ltd (UK) - Client: Virginmedia
08.2022 - 11.2022

Technical Lead

Prodapt Ltd (UK) - Client: Vodafone
05.2021 - 09.2022

Associate Developer

Coextrix Technologies - Client: VitalTech
09.2020 - 05.2021

Associate Developer

Coextrix Technologies - Client: PilotFlyingJ
05.2019 - 03.2021

Research Analyst & developer

Kmine Info Solutions
02.2017 - 04.2019

Master of Computer Application -

Anna University
04.2015 - 03.2017

Bachelor of Science - Computer Science

Madurai Kamaraj University
03.2013 - 02.2015

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Sarathkumar KamarajFull-Stack Developer