Backend Principal Engineer

Job Title : Python Django Developer

Location : Gurgaon (On-site)

Work Mode : 6 Days a Week (Work from Office)

Experience Level : 3+ Years

About the Role :

We are seeking a highly skilled and motivated Python Django Developer to join our team in Gurgaon. This role requires a hands-on developer with expertise in building scalable web applications and APIs using Python and Django. The ideal candidate will have a strong background in relational databases, message brokers, and distributed systems.

Key Responsibilities :

• Design, develop, and maintain robust, scalable, and secure web applications using Python and Django.
• Build and optimize back-end services, RESTful APIs, and integrations with third-party tools.
• Implement and maintain asynchronous task processing using Celery and RabbitMQ.
• Work with PostgreSQL to design and optimize database schemas and queries.
• Utilize Redis and Kafka for caching, data streaming, and other distributed system needs.
• Debug and troubleshoot issues across the application stack.
• Collaborate with cross-functional teams to gather requirements and deliver solutions.
• Ensure code quality through comprehensive testing, code reviews, and adherence to best practices.

Required Skills and Qualifications:

Technical Expertise:

• Proficiency in Python and strong experience with Django framework.
• Hands-on experience with PostgreSQL for database design and management.
• Familiarity with RabbitMQ, Celery, and Redis for asynchronous processing and caching.
• Experience with Kafka for building real-time data pipelines and event-driven architectures.

Other Skills:

• Strong understanding of software development best practices and design patterns.
• Proficiency in writing efficient, reusable, and testable code.
• Good knowledge of Linux/Unix environments.
• Familiarity with Docker and containerized deployments is a plus.

Soft Skills:

• Excellent problem-solving and analytical skills.
• Good communication and teamwork abilities.
• Ability to work independently and in a collaborative team environment.

Preferred Qualifications:

• Experience in microservices architecture.
• Exposure to DevOps tools and practices.
• Knowledge of front-end technologies like React or Angular is a bonus.

Designation : Senior Software Developer (Python)

Department : Software

Location : Airoli, Navi Mumbai

Office Time : 11am – 8pm / 12pm – 9pm

Skills and Experience:

• Should have relevant experience of 5-8 years
• Python programming experience 4+ years
• Django (python web framework) experience 2+ years
• Flask/FastAPI (API development) experience 1+ years
• Pgsql database experience 3+ years
• Machine learning (ML)/NLP experience 1+ years
• Good to have knowledge of OCR/Tesseract
• Good to have knowledge of LLM/BERT/GenAI
• Good to have knowledge of Celery for queuing
• Good to have knowledge of ML model/Python App deployment on Azure/AWS

FactWise is a fully funded, early-stage startup building b2b SaaS for a global SMB client base. Our team has alumni from MIT, Stanford, GeorgiaTech, UCL, the IITs, VJTI, Amazon and McKinsey, and currently comprises frontend, backend, full stack developers, UI/UX engineers, product managers, data scientist, and Ops, HR, Marketing. We'd love to get to know you better!

As a member of the development group, you will be primarily responsible for the design, development, and maintenance of the product:  

• Help define and create full stack architecture and deployment using React- Django-AWS in an agile environment with lots of ownership and active mentoring. 
• Work with the Product and Design teams to build new features to solve business problems and fill business needs 

• Participate in code reviews to create robust and maintainable code 
• Work in an agile environment where quick iterations and good feedback are a way of life 
• Interact with other stakeholders for requirement, design discussions and for adoption of new features 
• Communicate and coordinate with our support and professional services teams to solve customer issues. 
• Help scale our platform as we expand our product across various markets and verticals globally. 

 
As a young startup, we are hoping to be joined by self-starting, hardworking, passionate individuals who are committed to delivering their best, who can grow into future leaders of FactWise. 

Required Skills:

• 2+ year of experience in Development in JAVA technology.
• Strong Java Basics
• Spring Boot or Spring MVC
• Hands on experience on Relational Databases (SQL query or Hibernate) or MongoDB (JSON parsing)
• Proficient in REST API development
• Good at problem solving

Good to Have Skills:

• 2+ years of experience in using Java
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentor ship/coaching is highly desirable.

• 5+ years of non-internship professional software development experience
• 1+ years of exposure to the architecture and design (design patterns, security, reliability and scaling) of new and current systems.
• Bachelors/Masters degree in computer science or other related fields
• Programming experience with at least one modern language such as Java or Python including object-oriented design
• A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
• Proven ability to take initiative and dive into new areas of technology.
• Passion for learning, analysing technology trade-offs and shipping products.
• Knowledge on SQL, NOSQL databases and AWS deployments is a plus
• Strong sense of ownership, urgency and drive
• Ability to work well with people and be both highly self motivated and motivating
• Must be independent and comfortable in a fast paced, ambiguous and often multi-directional work environment

• You will build cutting-edge secure and scalable systems by writing simple and efficient code.
• You will push your design and architecture limits for new product development.
• You will be the owner of your feature and work directly with product teams to drive customer impact.
• You will ensure that the systems you oversee are secure, fault-tolerant and are performing reliably at high volumes.
• Constantly look at possibilities to improve the overall functioning of the product.
• You possess a strong desire to learn and contribute solutions and ideas to a broad team
• You are independent and comfortable in a fast paced, ambiguous and often multi-directional work environments
• You will manage multiple tasks and use sound judgment when prioritizing
• You can collaborate with globally-located cross functional team in building customer-centric products
• You will analyze existing software implementations to identify areas of improvement and provide estimates for implementing new features

• Full stack experience is a plus
• Understanding of complete SDLC and Agile methodologies
• Domain expertise in Financial Services, Banking or Payments
• Code Quality –Code Hygiene (Coverage, Complexity, Usability)
• Collaboration –Strong peer review standards

Must skills:

Hands- on in the following:

• Java 8/J2EE
• Spring boot
• Gradle/Maven
• REST API
• ORM- hibernate/ JPA
• Unit Testing and Integration Testing- Junit/ TestNG

Good to have:

Hands-on in the following:

• CI/CD pipeline deployment
• Messaging- ActiveMQ/RabbitMQ/MQ
• DB2
• Kafka
• NoSQL framework exposure

What we are looking for

• At-least 3 years of experience of development on backend applications. Full stack experience is a cherry on the top!
• Experience / knowledge of designing robust systems, maintaining & scaling them
• Experience with usage of NoSQL databases like MongoDB & with SQL and RDBMS Systems
• Experience of creating applications with any of the popular frameworks in Python, Java, GoLang, Node
• Experience with JS frontend frameworks like React, Angular, Vue etc is a big plus
• Well versed with versioning systems like git
• Understanding of rest API implementation

Some of the responsibilties you will be taking up are following

• Working on creating performant and fault tolerant systems which are scalable
• Design, build, and maintain high performance, reusable, and reliable codebase
• Effectively work with product to gather requirements, gain deep understanding of use cases and business needs, and translate into design and implementation.
• Maintain code integrity and organization.
• Manage basic devops related to CI/CD
• Creating secure systems
• Lead other junior developers
• Define optimal and minimal architecture to achieve product requirements

Demonstrable experience in Core Java (8 or higher) and Spring framework (Core, AOP, Batch, JMS).

Multithreading, Data structure, Algorithm, Eceptional handling,OOPS Concepts, collections

• Excellent customer facing skills that include conducting compelling technical briefing & demonstrations. The person should have a technical aptitude to implement new technologies and articulate the solutions to the customer.
• Java, Spring with Database & Unix - Preferred with Scala or Spark(Hadoop) background
• Proven knowledge in OOPS & Data Structures
• Strong experience of developing multi-threaded and synchronization application
• Demonstrated delivery experience of Micro services APIs using Springboot, Oracle PL/SQL development and activities like Performance tuning / Optimization.
• Experience of using Git/Bitbucket, Maven/Bamboo, & related tools.
• Good Understanding of Agile Delivery Methodology & experience in working with Scrum teams.