Data Engineer-Python AWS Spark Scala (Python is must)

About Us

We began in 2015 with an entrepreneurial vision to bring a digital change in the manufacturing landscape of India. With a team of 1500(1k cluster guys) we are working towards the digital transformation of business in the manufacturing industry across domains like Footwear, Apparel, Textile, Accessories etc. We are backed by investors such as Info Edge (Naukri.com ), Matrix Partners, Sequoia, Water Bridge Ventures and select Industry leaders.

Today, we have enabled 4000+ Manufacturers to digitize their distribution channel.

Roles & Responsibilities

Writing and testing code, debugging programs and integrating applications with third-party web services. To be successful in this role, you should have experience using server-side logic and work well in a team.

Ultimately, you'll build highly responsive web applications that align with our business needs. Write effective, scalable code Develop back-end components to improve responsiveness and overall performance Integrate user-facing elements into applications.

Test and debug programs

Improve functionality of existing systems Implement security and data protection solutions Assess and prioritize feature requests

Coordinate with internal teams to understand user requirements and provide technical solutions Expertise in at least one popular Python framework (like Django, Flask, etc)

Team spirit

Good problem-solving skills

Requirements

1 to 5 years of experience as a Python Developer

Hands on experience of Flask, Django or Gin or Revel or Sanic

Knowledge of design/architectural patterns will be considered as a plus

Experience working in an agile development environment with a strong focus on rapid software development

Experience in AWS or similar cloud technologies

Excellent troubleshooting and debugging skills

Proven ability to complete assigned task according to the outlined scope and timeline

Experience with messaging frameworks such as SQS/Kafka/RabbitMq

Experience with Elastic Search

Willingness to learn new and different technologies

• Python. Django Rest Framework experience would be great, but not essential! We prioritise
• quality over quantity.
• Postgres with InfluxDB, Oracle, MySQL and Redis experience a plus.
• Docker, Kubernetes, Helm, OpenShift and associated tooling.
• AWS, especially ECS, Lambda, RDS and DynamoDB. Performance and uptime are super
• important to us.
• The challenge of scaling a global, distributed API to 10,000+ requests per second.
• We have SDKs in a bunch of languages, so the more polyglot you are the better.
• If you like writing JS and React that would be awesome too.

DUKAAN - Create Your Online Store in 30 Seconds

Dukaan is an app that allows offline businesses to sell their products and services online. On our app, the users can make beautiful product catalogues (catalogs) right from a smartphone and share with their customers easily on different social media apps such as Whatsapp Business, Whatsapp, Facebook, Instagram etc. Praised by users all over India, this app has saved declining businesses by helping them transfer their shop online. The journey has just begun and we are on a mission to make India truly Digital.

Dukaan is currently powering over 5M ecommerce stores built by indian small businesses and growing at a crazy rate.  

We are looking for a Backend Engineer to join our team who will be part of our new innovations team.

Requirements:

1. Strong knowledge of Django, Django Rest Framework and their design principles.
2. Strong knowledge of Django ORM, should be able to leverage it to write complex and optimized queries (E.x Q queries, Case, When, Select related, prefetch related, Subqueries, Annotations, Aggregations, Filtering, etc.) .
3. Should be able to override DRF serializers, filters and viewsets completely according to needs.
4. Should have good experience in Class Based Views to write the backend API’s.
5. Sound knowledge of database design patterns and modelling them to Django models.
6. Sound knowledge of how to write test cases for the APIs.
7. Should be able to write optimized pythonic code adhering to python PEP standards.
8. Strong knowledge of python packaging and how to architect a code base that should be easily scalable and not get cluttered.
9. Strong knowledge of REST API design patterns.
10. Ability to write RAW sql queries and further database level coding will be a plus.
11. Good Understanding of python’s asyncio, threading and multiprocessing library, their benefits and limitations along with their appropriate use cases.
12. Hands on knowledge of celery and its corresponding message broker such as RabbitMQ, Redis, etc.
13. Experience with building a CDC(Change Data Capture) pipeline will be a plus.
14. Experience with Apache Kafka, Kafka connect and Debezium will be a plus.
15. Experience with open source will be a plus.
16. Good knowledge of Algorithms and data structures.

Responsibilities:

1. Understand the ins and out of existing codebase and have a good grasp over it.
2. Write clean, stable and scalable code.
3. Write unit test cases for the APIs.
4. Do whitebox and blackbox testing for your own code and as well as others if required.
5. Understand and implement fast prototype solutions for the business needs.

We're looking for exprienced Python developers with over 2+ years of production experience and strong expertise in building web applications and APIs using Python, Django and DRF. We are looking for cadidates who are go-getters and are leaning towards leadership positions. Candidates must have a proven history of building, scaling, optimising and securing Python based backends and APIs using a microservice architecture.

Bonus Skills : Experience with ReactJs, Node.js, FastAPI

We would prefer candidates who can join immediately or are currently serving their notice period. Jumpers please excuse, your application will be ignored

Key Skills Required

1. Proficiency in Python 3.x based web and backend development
2. Solid understanding of Python concepts
3. Strong experience in building web applications using Django
4. Experience building REST APIs using DRF or Flask
5. Experience with some form of Machine Learning (ML)
6. Experience in using libraries such as Numpy and Pandas
7. Hands on experience with RDBMS such as Postgres or MySQL including querying
8. Comfort with Git repositories, branching and deployment using Git
9. Working experience with Docker
10. Basic working knowledge of ReactJs
11. Experience in deploying Django applications to AWS,Digital Ocean or Heroku

Responsibilities

1. Understanding requirement and congributing to engineering solutions at a conceptual stage to provide the best possible solution to the task/challenge
2. Building high quality code using coding standards based on the SRS/Documentation
3. Building component based, maintainable, scalable and reusable backend libraries/modules.
4. Building & documenting scalable APIs on the Open Spec standard
5. Unit testing development modules and APIs
6. Conducting code reviews to ensure that the highest quality standard are maintained
7. Securing backend applications and APIs using industry best practices
8. Troubleshooting issues and fixing bugs raised by the QA team efficiently.
9. Optimizing code
10. Building and deploying the applications

• Employment type

  Full-time

• 3 + years expertise in Python 3.7, Django 2 (or Django 3).

• Familiarity with some ORM (Object Relational Mapper) libraries.

• Able to integrate multiple data sources and databases into one system.

• Integration of user-facing elements developed by front-end developers with server-side logic in Django (RESTful APIs).

• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3

• Knowledge of user authentication and authorization between multiple systems, servers, and environments

• Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform

• Able to create database schemas that represent and support business processes

• Strong unit test and debugging skills.

• Proficient understanding of code versioning tools such as Git.

The desirablesoptionals

• Django Channels, Web Sockets, Asyncio.

• Experience working with AWS or similar Cloud services.

• Experience in containerization technologies such as Docker.

• Understanding of fundamental design principles behind a scalable application (caching, Redis)

• At least 4 years of experience programming in Python.
• Develop application code and modules for business and technical requirements.
• Tune up design for maintainability, scalability and efficiency.
• Resolve and troubleshoot problems and complex issues.
• Perform unit tests and fix bugs.
• Integrate best qualitative practices in design and development aspects of programs.
• Ability to mentor subordinates.
• Excellent communication skills.