Team Lead Python Developer

Job Title : Python Django Developer

Experience : 6+ Years

Location : Gurgaon (Work from Office)

Job Type : Full-time

Working Days: Monday to Friday (5 Days)

Timings: 9:30 AM – 6:30 PM

Job Summary :

We are seeking a highly skilled and experienced Python Django Developer to join our dynamic team in Gurgaon.

The ideal candidate will have a strong background in backend development, Django frameworks, and RESTful API integration.

You will be responsible for building and maintaining scalable web applications and collaborating with cross-functional teams.

Key Responsibilities :

• Develop, test, and maintain robust, scalable, high-performance web applications using Django and Python.
• Design and implement RESTful APIs and integrate third-party APIs and services.
• Write reusable, testable, and efficient code following best practices and coding standards.
• Work with frontend developers to integrate user-facing elements using server-side logic.
• Optimize applications for maximum speed and scalability.
• Perform code reviews, troubleshoot issues, and ensure application performance and security.
• Collaborate with product managers, designers, and other developers to deliver high-quality products.

Required Skills & Qualifications :

• 6+ Years of hands-on experience with Python and Django framework.
• Strong experience with RESTful APIs, Django ORM, and PostgreSQL/MySQL.
• Proficiency in version control systems like Git.
• Familiarity with frontend technologies such as HTML, CSS, JavaScript, and AJAX.
• Experience with Docker, Celery, Redis, and cloud platforms (AWS/Azure) is a plus.
• Solid understanding of software development principles and design patterns.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration abilities.

Good to Have :

• Experience with Django REST Framework (DRF).
• Knowledge of unit testing and CI/CD pipelines.
• Exposure to Agile development methodologies.
• Familiarity with containerization and deployment tools (Docker, Kubernetes).

Review Criteria

• Strong Senior Backend Engineer profiles
• Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
• Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
• Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
• Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
• Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
• Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
• (Company) – Must have worked in product companies / startups, preferably Series A to Series D
• (Education) – Candidates from top engineering institutes (IITs, BITS, or equivalent Tier-1 colleges) are preferred

Role & Responsibilities

As a Founding Engineer at company, you'll join our engineering team during an exciting growth phase, contributing to a platform that handles complex financial operations for B2B companies. You'll work on building scalable systems that automate billing, usage metering, revenue recognition, and financial reporting—directly impacting how businesses manage their revenue operations.

This role is perfect for someone who thrives in a dynamic startup environment where requirements evolve quickly and problems need creative solutions. You'll work on diverse technical challenges, from API development to external integrations, while collaborating with senior engineers, product managers, and customer success teams.

Key Responsibilities-

• Build core platform features: Develop robust APIs, services, and integrations that power company’s billing automation and revenue recognition capabilities
• Work across the full stack: Contribute to both backend services and frontend interfaces, ensuring seamless user experiences
• Implement critical integrations: Connect company with external systems including CRMs, data warehouses, ERPs, and payment processors
• Optimize for scale: Build systems that handle complex pricing models, high-volume usage data, and real-time financial calculations
• Drive quality and best practices: Write clean, maintainable code while participating in code reviews and architectural discussions
• Solve complex problems: Debug issues across the stack and work closely with teams to address evolving client needs

The Impact You'll Make-

• Power business growth: Your code will directly enable billing and revenue operations for fast-growing B2B companies, helping them scale without operational bottlenecks
• Build critical financial infrastructure: Contribute to systems handling millions in transactions while ensuring accurate, compliant revenue recognition
• Shape product direction: Join during our scaling phase where your contributions immediately impact product evolution and customer success
• Accelerate your expertise: Gain deep knowledge in financial systems, B2B SaaS operations, and enterprise software while working with industry veterans
• Drive the future of B2B commerce: Help create infrastructure powering next-generation pricing models from usage-based to value-based billing.

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.

Your Responsibilities:

• Own the backend stack – Python based, that powers our product

• Collaborate with Data Scientists, Backend Developers(Node.js), Front-end developers, DevOps to design and implement new features
• Build and maintain several Backend Jobs and REST’ful Services which will be used internally in a Macroservices/Distributed services environment.
• Deploy and monitor the Jobs and endpoints ensuring availability and scalability(ability to handle 100X data processing load)
• Work on full project lifecycle starting from requirements gathering/understanding the problem to deploying and maintaining the project.

Skills that you bring Along:

• A minimum 8+ years of extensive work experience with Python and related frameworks – particularly Flask.
• Extensive experience in designing and scheduling backend Python jobs
• Hands on working in different file formats like Json, Parquet, csv etc. coming from Data Science side.
• Extensive experience with databases such as Postgres and Mongo.
• Extensive experience in Cloud Infrastructure (AWS based) – e.g. AWS API Gateway, Lambda Functions etc.
• Experience with cache like Redis and/or Memory cache
• Good experience in Microservices/Macroservices or Event driven Architectures
• Good experience with design patterns
• Experience in writing advanced SQL-queries, good knowledge of PL/SQL
• Good understanding of Software Design Principles and domain-driven design
• Good experience with Continuous Delivery and Containerization(Docker)
• Good experience in designing and maintaining REST’ful API endpoints
• Ideally maintaining infrastructure-as-code using Terraform
• Ideally experience in parallel data processing and building end-to-end Data Pipelines using tools such as Airflow/Prefect and Spark/Dask
• Excellent communication skills and the ability to explain complex topics in a simple manner