Backend Developer

Job Title : Senior Python Backend Developer

Experience Required : 5+ Years

Location : Gurgaon

Joining : Immediate Joiner Preferred

Employment Type : Full-Time

Job Summary :

We are looking for a highly skilled Senior Python Backend Developer with a minimum of 5 years of experience in Python and its modern web frameworks.

The ideal candidate will be responsible for developing scalable backend services, designing robust APIs, and ensuring optimal performance and security of backend systems.

Mandatory Skills : Python, Django, Flask, Streamlit, Starlette, REST API development, scalable backend services.

Key Responsibilities :

• Design, build, and maintain RESTful APIs and backend systems using Python.
• Work with frameworks such as Django, Flask, Streamlit, Starlette.
• Develop scalable and high-performance backend services.
• Collaborate with frontend developers and product teams to deliver seamless integrations.
• Write clean, maintainable, and testable code.
• Troubleshoot and resolve performance and scalability issues.
• Ensure code quality through automated testing and code reviews.

Required Skills :

• Minimum 5 years of backend development experience in Python.
• Strong expertise in Django, Flask, Streamlit, and/or Starlette.
• Proven experience with API design and development.
• Strong understanding of system architecture, data modeling, and scalability best practices.
• Familiarity with CI/CD pipelines, Docker, and cloud environments is a plus.

Nice to Have :

• Experience with async programming (e.g., using FastAPI, Starlette).
• Familiarity with PostgreSQL, MongoDB, or other relational/noSQL databases.
• Exposure to microservices architecture.

Key Skills:

Strong experience with Node.js, Express.js, and MongoDB

Proficiency in JavaScript (ES6+), API development & integration

Hands-on with RESTful APIs, Mongoose, and middleware

Good understanding of version control (Git)

Nice to Have:

PHP, AWS, and deployment tools

Familiarity with Postman, Docker, or testing tools (Mocha/Chai)

Description

6sense is a Predictive Intelligence Engine that is reimagining how B2B companies do sales and marketing. It works with big data at scale, advanced machine learning and predictive modelling to find buyers and predict what they will purchase, when and how much.

6sense helps B2B marketing and sales organisations fully understand the complex ABM buyer journey. By combining intent signals from every channel with the industry’s most advanced AI predictive capabilities, it is finally possible to predict account demand and optimize demand generation in an ABM world. Equipped with the power of AI and the 6sense Demand Platform™, marketing and sales professionals can uncover, prioritize and engage buyers to drive more revenue.

6sense is seeking a Python Developer to become part of a team designing, developing, and deploying its customer centric applications.

A Python Developer at 6sense will have the opportunity to

• Optimize components for maximum performance across multiple devices and browsers
• Write performant REST APIs for both internal and external consumption
• Build micro services and their deployment process
• Work with problems of scale, employ technologies that are distributed in nature.
• Perform code reviews

Required qualifications and must have skills

• BE/BTech/BS or equivalent
• Excellent analytical and problem-solving skills
• Proven-deep-expertise with Python programming (3 to 8 Years of minimum hands-on experience in Python).
• Hands on with Data structures & Algorithm programming.
• Experience in working with frameworks like Django, Flask, etc.
• Experience with building APIs and services using REST, SOAP, etc.
• Experience with any RDBMS and strong SQL knowledge
• Comfortable with Unix / Linux command line
• Object-oriented concepts & design patterns

Do not miss to reply back, else we will miss meeting an awesome Techies!

• Contribute to all stages of the software development lifecycle
• Design, implement and maintain Java-based applications that can be high-volume and low-latency
• Analyze user requirements to define business objectives
• Envisioning system features and functionality
• Define application objectives and functionality
• Ensure application designs conform with business goals

  Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·       Good knowledge of the JVM with an understanding of performance and memory optimization.

·       Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·       Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

·       Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·       Expert level understanding of Object-Oriented Concepts and Data Structures

·       Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

Job description

We are looking for an experienced Python developer to join our engineering team and help us create dynamic software applications for our clients. In this role, you will be responsible for writing and testing scalable code, developing back-end components, and integrating user-facing elements in collaboration with front-end developers.

Responsibilities:

• Coordinating with development teams to determine application requirements.

• Writing scalable code using Python programming language.

• Testing and debugging applications.

• Developing back-end components.

• Integrating user-facing elements using server-side logic.

• Assessing and prioritizing client feature requests.

• Integrating data storage solutions.

• Coordinating with front-end developers.

• Reprogramming existing databases to improve functionality.

• Developing digital tools to monitor online traffic.

Requirements:

• Bachelor's degree in Computer Science, Computer Engineering, or related field.

• 2-7 years of experience as a Python Developer.

• Expert knowledge of Python and Flask framework and Fast API.

• Solid experience in MongoDB, Elastic Search.

• Work experience in Restful API

• A deep understanding and multi-process architecture and the threading limitations of Python.

• Ability to integrate multiple data sources into a single system.

• Familiarity with testing tools.

• Ability to collaborate on projects and work independently when required.

• Excellent troubleshooting skills.

• Good project management skills.

SKILLS:

• PHYTHON
• MONGODB
• FLASK
• REST API DEVELOPMENT
• TWILIO

Job Type: Full-time

Pay: ₹10,000.00 - ₹30,000.00 per month

Benefits:

• Flexible schedule
• Paid time off

Schedule:

• Day shift

Supplemental Pay:

• Overtime pay

Ability to commute/relocate:

• Chennai, Tamil Nadu: Reliably commute or planning to relocate before starting work (Required)

Experience:

• Python: 1 year (Required)

Work Location: In person

• 3+  years of hands-on experience in ERPNext Platform and Frappe Framework, Python, JavaScript and MySQL/MariaDB
• Strong knowledge of configuration and customisation of the ERPNext platform