Python Developer

Job Title: Python Backend Engineer (Full-time)

Location: Gurgaon, Onsite

Working Days: 5 days

Experience Required: 4+ Years

Interview: Screening and Face-to-face Interview

Job Summary

We are looking for a Python Backend Engineer with strong experience in FastAPI/Django and hands-on exposure to MLOps and LLMOps. You will work on building APIs, deploying ML/LLM models, and enabling intelligent systems using modern AI tools and frameworks.

Responsibilities

• Build and maintain scalable backend systems using Python, FastAPI, or Django
• Deploy and manage ML models (e.g., OpenCV, scikit-learn) and LLMs in production
• Develop APIs for ML/LLM inference and support RAG pipelines
• Implement model versioning, CI/CD, and monitoring for production use
• Collaborate with AI teams to integrate models into applications

Skills Required

• Strong Python backend development (FastAPI/Django)
• Experience with ML libraries: scikit-learn, OpenCV, NumPy, Pandas
• MLOps tools: MLflow, DVC, Airflow, Docker, Kubernetes
• LLMOps tools: LangChain, LlamaIndex, RAG pipelines, FAISS, Pinecone
• Integration experience with OpenAI, Hugging Face, or other LLM APIs
• Familiarity with CI/CD tools (GitHub Actions, Jenkins)

Requirements:

• Should be a go-getter, ready to shoulder more responsibilities, and shows enthusiasm and interest in work.

• Excellent core Python skills including threading, dictionary, OOPS Concept, Data structure, and Web service.

• Should have work experience on the following stacks/libraries: Flask

• Familiarity with some ORM (Object Relational Mapper) libraries

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

• Understanding of the threading limitations of Python, and multi-process architecture Familiarity with event-driven programming in Python

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

• Writing reusable, testable, and efficient code

• Design and implementation of low-latency, high-availability, and performant applications

• Understanding of accessibility and security compliance

• Experience in both RDBMS(MySQL), NoSQL databases (MongoDB, HDFS, HIVE etc) or in-memory caching technologies such as ehcache etc is preferable.

Job Description

1. 5- 8 yrs IT industry experience preferably Banking domain
2. Strong Python Skills and good understanding of Java and Microservices
3. Should have handled banking customers and exposure to Production support processes
4. Good in database and Pl/SQL – Ability to write SQL as and when needed  
5. Good attitude and communication
6. WFH not allowed – Working from Bank premises as per bank calendar in Saifabad or Hitech City – Saifabad Flexibility must

As an SSE, you will play a crucial role in designing, developing, and maintaining our backend systems

that power our platform. The ideal candidate will have a solid background in Python Django and a

strong understanding of databases, caching, and distributed systems.

● Design, develop, and maintain robust, scalable, and high-performance backend systems using

Python Django.

● Collaborate with cross-functional teams to understand business requirements and translate

them into technical solutions.

● Optimize application performance and scalability by implementing caching strategies, load

balancing, and distributed computing techniques.

● Ensure data integrity and security by implementing best practices for data storage, retrieval,

and access control.

● Develop and maintain integrations with external APIs and services to support seamless

interactions with third-party systems.

● Identify and address performance bottlenecks and other system issues to improve overall

system efficiency.

● Write clean, maintainable, and testable code following industry-standard coding practices.

● Conduct code reviews and provide constructive feedback to peers to ensure code quality and

adherence to best practices.

● Mentor junior team members and assist in their professional growth.

Responsibilities:

• Work with development teams and product managers to ideate scalable software solutions
• Design client-side and server-side architecture
• Design, develop and manage well-functioning databases and applications
• Develop web applications implementing MVT architecture using Django web application frameworks
• Write effective APIs using industry standard design patterns
• Manage the complete software development process from conception to deployment
• Maintaining and upgrading the software following deployment
• Should be able to visualize a proposed system and be able to build it
• Development of applications leveraging Django/Flask based REST APIs

• Work with server-side technologies including databases and MVC/MVT patterns
• Maintain version control system such as GIT
• Should know all the phases of SDLC from requirement gathering to support and maintenance.

Requirements:

• 3-7 years provable experience as a Back End Developer
• Familiarity with common solution stacks 
• Strong understanding of algorithms, data structures and system design, for scale, performance and security
• Ability to develop back-end website applications
• Knowledge of middleware languages (Python – Flask/Django) and/or JavaScript framework like Node.js
• Familiarity with databases (RDBMS – MySQL/PostgreSQL, optionally NoSQL DBs like MongoDB), web servers (Apache) and UI/UX design
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science or relevant field

At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters. We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 per day in the next 4 years in a profitable and sustainable manner.

You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/

Role & Requirements

• 2+ year experience in application development
• ability to write efficient SQL queries and design schemas for relational databases
• good knowledge of operating systems and networking concepts
• experience in using and understanding code from Open Source
• experience with implementing best software engineering practices like version control with git, code reviews, writing unit-tests, writing readable code
• experience with Python and Django is a plus.
• inclination towards researching new technologies and adapt them to solve challenges we face

We look for engineers who

• Are committed to their growth and learning
• care about working in and building a strong engineering culture
• want to take significant ownership and decision making power
• want to make an impact in the real world while working with a great team in a hyper-growth environment

• At least 2-5 years of working experience in web services, preferably in Python
• Should have built and released APIs in production
• Experience working with RDBMS and NoSQL databases
• Designing thoughtful, extensible data models
• Knowledge of identifying, defining and building micro-services
• Working knowledge of GCS, AWS, Azure or any other cloud provider
• Aggressive problem diagnosis and creative problem-solving skills
• Good communication skills - written and spoken

• 5+ years experience
• Previously managed a team
• Built & managed backend systems from scratch previously.
• Lead the core backend engineering team, including mentoring, coaching, architecture, devops, code review and software infrastructure
• Should be more proficient with Django.
• Work with the executive team to shape and execute the product roadmap
• Direct our team environment to achieve sprint deliverables and acceptance criteria
• Design and monitor metrics to assess product and infrastructure performance
• Hire, build and shape the team