Sr. Backend Engineer

We are looking for a backend developer to be a part of the OneFin engineering team and help us build functional systems and deliver customized software solutions for clients.

https://forms.gle/WrQiW6bZpro7oe6R6

Responsibilities

1. Design and implement backend infrastructure and APIs.
2. Write high-quality, robust, readable, and scalable code.
3. Build responsive, robust, and optimized applications.

Requirements and Qualifications:

1. Proficiency in Python, with a solid understanding of Django, Celery, and Redis.
2. Bachelor’s degree in computer science, engineering, or a related field.

Note: Salary will be offered based on your overall experience and last drawn salary.

Job Title: Python / Django Backend Developer

Experience: 3+ Years

Location: Gurgaon (Onsite)

Work Mode: 5 Days Working

About the Company

We are hiring for a product-based global furniture and homeware organization with operations in the UK and India. The company builds and maintains in-house digital platforms focused on design-to-delivery, supply-chain, and logistics. The team focuses on building scalable, high-performance internal systems.

Roles & Responsibilities

• Design, develop, and maintain RESTful APIs and backend services using Python & Django / Django REST Framework
• Build scalable, secure, and optimized database schemas and queries using PostgreSQL/MySQL
• Collaborate with frontend, product, and QA teams for end-to-end feature delivery
• Write clean, reusable, and testable code following best engineering practices
• Optimize application performance, reliability, and scalability
• Participate in code reviews, documentation, and CI/CD processes
• Deploy and manage backend services on cloud infrastructure and web servers

Required Skills & Qualifications

• Strong proficiency in Python and Django / Django REST Framework
• Solid understanding of relational databases (PostgreSQL/MySQL)
• Experience with REST API design, authentication & authorization
• Working knowledge of AWS services: EC2, ELB, S3, IAM, RDS
• Experience configuring and managing Nginx/Apache
• Familiarity with Git, Docker, and CI/CD workflows
• Strong problem-solving and debugging skills

Preferred Qualifications

• Experience with cloud platforms (AWS/GCP/Azure)
• Familiarity with microservices architecture
• Experience with Celery, RabbitMQ, Kafka
• Knowledge of testing frameworks (Pytest, unittest)
• Exposure to e-commerce platforms or high-traffic scalable systems

Must have exp in Django. [ Mandatory]

• The ability to problem-solve and critically think.
• High level of knowledge of Python and the Django framework.
• Familiarity with event driven programming as well as the MVC.
• Good understanding of SQL databases.
• Good understanding of REST APIs.

We are looking for someone who: ● Has 3+ years of experience working as a Backend Developer in high-growth consumer internet companies ● Is proficient in building RESTful APIs, has a strong understanding of relational and non-relational databases ● Prior working knowledge of Python/Django is a big plus ● Familiarity with modern CI/CD tools ● Knowledge of AWS or any other Cloud Platform services ● Ability to analyze and convert business requirements into technical requirements ● Has a high sense of ownership and a bias for action ● Is a people’s person and can lead without authority What will they be responsible for ● They will work on one or more of the tracks mentioned above ● Own the end-to-end delivery - design, execute, test and deploy ● Work as an individual contributor, champion code quality ● Build and train a team of rockstar engineers as the organization grows Why should this role excite you We are just getting started and people who join us at this juncture will: ● Do fulfilling, high-impact work ● Work directly with the founders and engineering leads ● Own and deliver, get complete ownership of whatever you do ● Work with colleagues from strong diverse backgrounds ● Solve a problem that millions of Indians are emotionally attached to but hasn’t seen any innovation ● Learn and grow at an unprecedented pace Tactical details ● Current stack: Python/Django, React, Kafka, Docker, AWS ● Location: Bengaluru (Work from office) ● Compensation: Structured as Fixed + ESOPs

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.

• Work experience as Python developer
• Should have experience in  developing and working on consumer facing web/app products on in Django framework
• Should have experience working with react js front end design.
• Thorough knowledge of data stores, MyScore AWS services and should have experience with EC2, ELB, AutoScaling, CloudFront, S3
• Experience in Frontend codebases using HTML, CSS and Javascript
• Good understanding of Data Structures, Algorithms and Operating Systems
• Good experience of developing and integrating APIs
• Knowledge of object-relational mapping (ORM)
• Able to integrate multiple data sources and databases into one system (mysql)
• Understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Proficient understanding of code versioning tool (git)
• Good problem-solving skills

We are hiring for a Software Engineer Team Lead - Backend, to join our education-focused fintech lending startup, GrayQuest. Our core product is a combination of a lending product, a rewards product and an insurance product to redefine the education fees payment across the country.

• Participate in all stages of the Software Development Lifecycle
• Develop back-end components, services, and APIs. Support integration of user-facing elements, and collaborate closely with the design and front-end development team.
• Write elegant, effective, and scalable code while maintaining the highest level of coding standards.
• Take complete ownership of projects and ensure timely deliveries
• Ability to debug, refine, review, and deploy code
• Work closely with the QA team to test, and document project features.
• Ability to interact with all stakeholders. Understand business requirements, and effectively convert them into technical specifications
• Mentor junior developers and participate in peer Review

Requirements:

• Demonstrable experience as a Python Developer (3+ years)
• Strong knowledge of Python frameworks (Django Rest, Flask)
• Experience working on REST APIs
• Strong knowledge of SQL and JavaScript
• Experience with Amazon Web Services (AWS)
• Working knowledge of React
• Familiarity with Agile development methodology
• Good understanding of task breakup, milestone definition, and work delegation.
• Past experience of working in a fintech/financial services domain or a consumer internet startup will be preferable but not required
• Work experience in early-stage startups (0 ->1) is a big plus
• Bachelors or equivalent degree from premier institutes is a plus
• Most importantly, the biggest skill we look for our prospective candidates is "Learnability" - how quickly can you learn. 

Why is this a great opportunity for the right candidate:

1. Work with a young dynamic core team backed by marquee investors from the financial services space
2. Work on a product/business that has achieved product market fit and take it to scale
3. Equity compensation and competitive market salaries
4. Work environment that prioritizes talent, hustle and dedication
   
   

We will also ensure we give a preference to applicants who directly email us with their background/context and why they think they should be a strong candidate for this position at GrayQuest. Email us at work (at the rate) grayquest (dot) com and cc Sonal (at the rate)grayquest (dot) com