Aakash is available for hire

Aakash Kumar Das

Verified Expert in Engineering

Back-end Developer

Location

Hyderabad, Telangana, India

Toptal Member Since

November 1, 2021

Aakash is a seasoned software engineer with 8+ years of experience specializing in full-stack development. He's proficient in Django/DRF and React and adept in DevOps and Dockerization. Managing from development to deployments on AWS and other cloud platforms, Aakash has helped launch several products from scratch. With a bachelor's degree in computer engineering and a track record of delivering top-notch solutions for startups and MNCs, Aakash boasts glowing reviews on LinkedIn.

Web Development Software Engineering Full-stack Development Full-stack Data Modeling Back-end Authentication Amazon RDS Migration Web Scraping Python Django GitHub Django ORM HTML5

Portfolio

ServiceNow

Algorithms, JavaScript, ServiceNow, Java, Python, Software Engineering, Git...

WelkinCode

Algorithms, Python, Django, Linux, Web Development, PostgreSQL, REST, HTML, CSS...

Loyalty Juggernaut

Python, Django, Amazon Web Services (AWS), React, Docker, PostgreSQL, REST...

Experience

Algorithms - 8 years Python - 8 years Django - 8 years React - 7 years Databases - 6 years Amazon Web Services (AWS) - 6 years JavaScript 6 - 5 years Docker - 4 years

Availability

Part-time

Preferred Environment

Linux, MacOS, Amazon Web Services (AWS), Azure, Google Cloud Platform (GCP)

The most amazing...

...thing I've done was single-handedly develop a marketplace platform from scratch using Django and React on AWS. It raised $100,000 of pre-seed funding.

Work Experience

Senior Software Engineer

2019 - PRESENT

ServiceNow

Architected new service portal features and collaborated with product managers and designers to develop them.
Played a key role in the development and release of a new integration with Facebook.
Shipped full-stack features related to the universal request that serves as the single source of contact for employees/requesters.
Reduced the code for notification by 40% by refactoring the existing notification logic and eliminating redundant records.
Early-adopted Seismic, an internal JavaScript framework for ServiceNow.

Technologies: Algorithms, JavaScript, ServiceNow, Java, Python, Software Engineering, Git, APIs, HTML, CSS, MySQL, Back-end, GitHub, HTML5, Full-stack Development, PDF Scraping, SQLite, ServiceNow REST API, Dashboards, SQL, API Integration, Full-stack, Architecture, Data Modeling, Survey Development & Analysis, Questionnaires, Survey Programming, Automation, Scripting

Full-stack Developer

2017 - PRESENT

WelkinCode

Single-handedly developed a marketplace platform that raised pre-seed funding of $100,000.
Built 20+ products in eCommerce, real estate, foodtech, energy efficiency, and healthcare solutions using Flask, Django, and React.
Managed deployments using tools like Docker and Docker Compose on several public cloud platforms, including AWS and Microsoft Azure.

Technologies: Algorithms, Python, Django, Linux, Web Development, PostgreSQL, REST, HTML, CSS, JavaScript, Software Engineering, Flask, React, Git, Amazon EC2, Amazon RDS, MySQL, Back-end, Microservices, GitHub, CI/CD Pipelines, Web Scraping, Selenium, Data Scraping, Beautiful Soup, Amazon S3 (AWS S3), Django ORM, HTML5, Full-stack Development, PDF Scraping, PDF to Excel, Puppeteer, Scrapy, TypeScript, SQLite, Tailwind CSS, Dashboards, Jira REST API, SQL, API Integration, Full-stack, Architecture, Data Modeling, FastAPI, ChatGPT, OpenAI, Asyncio, Object-relational Mapping (ORM), Survey Development & Analysis, Questionnaires, Automation, Notion, Scripting

Senior Software Engineer

2018 - 2019

Loyalty Juggernaut

Architected and implemented the one-time password (OTP) delivery and verification service for accruing membership points using AWS Lambda and Flask.
Set up and managed Gitflow processes and sprint releases for the Python back-end team.
Debugged and resolved a critical database failure during a production deployment and prevented a significant loss in revenue.
Reduced the load time of the analytics dashboard by 10 seconds by optimizing SQL queries in Django.
Implemented a QR code generation module for vendors using Python.

Technologies: Python, Django, Amazon Web Services (AWS), React, Docker, PostgreSQL, REST, Serverless, Redshift, Django REST Framework, AWS Lambda, OTP, GitFlow, Sprints, Software Engineering, Git, APIs, Amazon EC2, HTML, CSS, MySQL, Back-end, Microservices, GitHub, Amazon S3 (AWS S3), Django ORM, HTML5, Analytics, Full-stack Development, Data, SQLite, Tailwind CSS, Dashboards, SQL, API Integration, Full-stack, Architecture, Data Modeling, Asyncio, Migration, Survey Development & Analysis, Automation, Scripting

Software Engineer

2016 - 2018

ReportGarden Inc

Architected and implemented an internal tool to make the organization GDPR compliant using Django and AWS.
Set up data pipelines and ETL workflows from scratch (using Python, Flask, and Redshift) as a member of the data engineering team. These provided metrics on consumer behavior that led to improved sales.
Migrated a newly acquired product from Express.js to Flask and improved the API performance by 10x by optimizing slow queries.

Technologies: Django, Python, React, Amazon Web Services (AWS), Docker, PostgREST, Redshift, Data Engineering, REST, Data Pipelines, ETL, GDPR, Software Engineering, Git, APIs, Flask, Amazon EC2, Amazon RDS, Amazon DynamoDB, HTML, CSS, MySQL, Back-end, GitHub, Amazon S3 (AWS S3), Django ORM, HTML5, Analytics, Full-stack Development, Data, Dashboards, SQL, API Integration, Full-stack, Architecture, Data Modeling, Migration, Object-relational Mapping (ORM), Automation, Scripting

Software Engineer

2015 - 2017

Josh Technology Group

Designed and implemented a subscription model for the application using Stripe on Django.
Implemented a custom authentication system for interservice communication using Flask.
Designed UI components for a healthcare app using AngularJS.

Technologies: Django, Python, Django REST Framework, AngularJS, Stripe, Authentication, Software Engineering, Git, APIs, Flask, Amazon EC2, Amazon RDS, MySQL, Back-end, GitHub, Django ORM, HTML5, Full-stack Development, SQL, API Integration, Full-stack, Data Modeling, Object-relational Mapping (ORM), Scripting

Experience

HS Sales GmbH

HS Sales GmbH (alias Toredo Trading), based in Munich, is an eCommerce company specializing in consumer electronics products, such as smartphones, tablets, and smart home products. The HS web application is an inventory management platform that enables admins to list and sell products on multiple platforms like eBay, Amazon, and Rakuten. It also enables integrations with various marketplaces to generate sales and inventory analytics.

The Good Trends

The Good Trends marketplace connects buyers to sellers and local store owners who sell healthy food. The purpose is to increase access and affordability to healthier, more local food products for US consumers by reinventing food wholesale and making it more transparent and streamlined.

E Crawl

E Crawl was a distributed system-based crawling engine used to crawl 40,000+ products in under 20 minutes on a recurring basis. The engine had a built-in retry mechanism and sent notifications for products with low inventory.

Homesy

Homesy is a German real estate marketplace platform that allows users to list properties for sale or rent to multiple marketplaces by registering the property details on the Homesy platform. The platform takes care of pushing the property details to multiple real estate platforms and streamlines the queries received on multiple real estate platforms to Homesy’s mailbox.

Inibii

Inibii Technology is changing how building owners and facility managers visualize, monitor, and manage energy usage. Customers can use Inibii's easy-to-use energy management platform to take control of their consumption data and, ultimately, impact the planet.

Inibii's cloud-based energy management platform is a no-cost, comprehensive tool that combines electricity, water, and gas data. After an initial setup, building owners can see their energy consumption, reduce operating expenses, monitor trends, and achieve sustainability goals.

Toredo

Toredo is a platform where users can sell their old smartphones based on their condition and cash out using a simple online workflow. The app provides a simple yet intuitive UI where users can easily evaluate the condition of their old smartphones and cash out.

Skills

Languages

Python, HTML5, SQL, JavaScript, JavaScript 6, HTML, CSS, TypeScript, Java

Frameworks

Django, Django REST Framework, Flask, Selenium, Scrapy, Tailwind CSS, AngularJS, Redux

Libraries/APIs

React, Django ORM, ServiceNow REST API, Asyncio, Beautiful Soup, Puppeteer, Jira REST API, PostgREST, Stripe, REST APIs

Tools

Git, GitHub, Pytest, ChatGPT, Notion, Celery, Docker Compose

Paradigms

REST, Object-relational Mapping (ORM), Automation, Agile, Microservices, Compiler Design, DevOps, ETL

Platforms

Docker, Amazon EC2, Linux, Amazon Web Services (AWS), Azure, Google Cloud Platform (GCP), AWS Lambda, OTP

Storage

Databases, PostgreSQL, MySQL, SQLite, Redshift, Amazon DynamoDB, Amazon S3 (AWS S3), Database Structure, Redis, Data Pipelines

Other

Web Development, Software Engineering, Authentication, APIs, Amazon RDS, Back-end, Web Scraping, Full-stack Development, Dashboards, API Integration, Full-stack, Architecture, Data Modeling, Migration, Survey Development & Analysis, Questionnaires, Survey Programming, Scripting, Algorithms, Data Scraping, Analytics, Data, PDF Scraping, PDF to Excel, FastAPI, OpenAI, Operating Systems, Computer Networking, Serverless, Data Engineering, Data Structures, ServiceNow, GitFlow, Sprints, GDPR, CI/CD Pipelines

Education

2012 - 2016

Bachelor's Degree in Computer Engineering

Kiit University - Bhubaneswar, India

Certifications

JULY 2020 - PRESENT

React: Testing and Debugging

OCTOBER 2019 - PRESENT

Docker Essential Training: Storage and Volumes

OCTOBER 2019 - PRESENT

Docker Essential Training: Networking

JULY 2015 - PRESENT

AMCAT Certified Software Engineer

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