Backend Engineer Python

Job Title : Python Backend Engineer (with MLOps & LLMOps Experience)

Experience : 4 to 8 Years

Location : Gurgaon Sector - 43

Employment Type : Full-time

Job Summary :

We are looking for an experienced Python Backend Engineer with a strong background in FastAPI, Django, and hands-on exposure to MLOps and LLMOps practices.

The ideal candidate will be responsible for building scalable backend solutions, integrating AI/ML models into production environments, and implementing efficient pipelines for machine learning and large language model operations.

Mandatory Skills : Python, FastAPI, Django, MLOps, LLMOps, REST API development, Docker, Kubernetes, Cloud (AWS/Azure/GCP), CI/CD.

Key Responsibilities :

• Develop, optimize, and maintain backend services using Python (FastAPI, Django).
• Design and implement API endpoints for high-performance and secure data exchange.
• Collaborate with data science teams to deploy ML/LLM models into production using MLOps/LLMOps best practices.
• Build and manage CI/CD pipelines for ML models and ensure seamless integration with backend systems.
• Implement model monitoring, versioning, and retraining workflows for machine learning and large language models.
• Optimize backend performance for scalability and reliability in AI-driven applications.
• Work with Docker, Kubernetes, and cloud platforms (AWS/Azure/GCP) for deployment and orchestration.
• Ensure best practices in code quality, testing, and security for all backend and model deployment workflows.

Required Skills & Qualifications :

• 4 to 8 years of experience as a Backend Engineer with strong expertise in Python.
• Proficient in FastAPI and Django frameworks for API and backend development.
• Hands-on experience with MLOps and LLMOps workflows (model deployment, monitoring, scaling).
• Familiarity with machine learning model lifecycle and integration into production systems.
• Strong knowledge of RESTful APIs, microservices architecture, and asynchronous programming.
• Experience with Docker, Kubernetes, and cloud environments (AWS, Azure, or GCP).
• Exposure to CI/CD pipelines and DevOps tools.
• Good understanding of Git, version control, and testing frameworks.

Nice to Have :

• Experience with LangChain, Hugging Face, or similar LLM frameworks.
• Knowledge of data pipelines, feature engineering, and ML frameworks (TensorFlow, PyTorch, etc.).
• Understanding of vector databases (Pinecone, Chroma, etc.).

Education :

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

7+ years of experience in Python Development

Good experience in Microservices and APIs development.

Must have exposure to large scale data

Good to have Gen AI experience

Code versioning and collaboration. (Git)

Knowledge for Libraries for extracting data from websites.

Knowledge of SQL and NoSQL databases

Familiarity with RESTful APIs

Familiarity with Cloud (Azure /AWS) technologies

About Wissen Technology:

• The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015.

• Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.

• Our workforce consists of 550+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

• Wissen Technology has grown its revenues by 400% in these five years without any external funding or investments.

• Globally present with offices US, India, UK, Australia, Mexico, and Canada.

• We offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

• Wissen Technology has been certified as a Great Place to Work®.

• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.

• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.

We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.

Website : www.wissen.com

We're Hiring: Senior Developer (AI & Machine Learning)** 🚀

🔧 **Tech Stack**: Python, Neo4j, FAISS, LangChain, React.js, AWS/GCP/Azure

🧠 **Role**: AI/ML development, backend architecture, cloud deployment

🌍 **Location**: Remote (India)

💼 **Experience**: 5-10 years

If you're passionate about making an impact in EdTech and want to help shape the future of learning with AI, we want to hear from you!

About koolio.ai

Website: www.koolio.ai

koolio Inc. is a cutting-edge Silicon Valley startup dedicated to transforming how stories are told through audio. Our mission is to democratize audio content creation by empowering individuals and businesses to effortlessly produce high-quality, professional-grade content. Leveraging AI and intuitive web-based tools, koolio.ai enables creators to craft, edit, and distribute audio content—from storytelling to educational materials, brand marketing, and beyond—easily. We are passionate about helping people and organizations share their voices, fostering creativity, collaboration, and engaging storytelling for a wide range of use cases.

About the Full-Time Position

We are seeking a Junior Backend Engineer (Fresher) to join our team on a full-time, hybrid basis. This role is ideal for motivated recent graduates eager to gain hands-on experience in backend development. Working closely with senior engineers, you’ll play a vital role in enhancing koolio.ai’s backend infrastructure, focusing on building, maintaining, and optimizing server-side applications and APIs. This is a unique opportunity to grow within an innovative environment that values creativity and technical excellence.

Key Responsibilities:

• Assist in developing and maintaining backend services and APIs, ensuring stability, scalability, and performance
• Collaborate with the frontend and QA teams to ensure seamless integration of backend systems with user-facing features
• Help troubleshoot and resolve backend issues, working alongside senior developers to enhance system reliability
• Participate in code reviews, learning best practices and contributing to maintaining high code quality standards
• Support in monitoring and improving backend performance metrics
• Document processes, code, and system architecture under guidance to ensure comprehensive, up-to-date technical resources

Requirements and Skills:

• Education: Degree in Computer Science or a related field
• Work Experience: No prior work experience required; internships or academic projects related to backend development are a plus
• Technical Skills:
• Basic understanding of backend systems and APIs
• Working experience in Python
• Familiarity with basic version control systems like Git
• Knowledge of databases (e.g., MySQL, MongoDB) and basic proficiency in SQL
• Understanding of cloud platforms or services like Google Cloud is an advantage
• Soft Skills:
• Eagerness to learn and apply new technologies in a fast-paced environment
• Strong analytical and problem-solving skills
• Excellent attention to detail and a proactive mindset
• Ability to communicate effectively and work in a collaborative, remote team
• Other Skills: 
• Familiarity with basic DevOps practices or interest in learning is beneficial

Compensation and Benefits:

• Total Yearly Compensation: ₹4.5-6 LPA based on skills and experience
• Health Insurance: Comprehensive health coverage provided by the company

Why Join Us?

• Be a part of a passionate and visionary team at the forefront of audio content creation
• Work on an exciting, evolving product that is reshaping the way audio content is created and consumed
• Thrive in a fast-moving, self-learning startup environment that values innovation, adaptability, and continuous improvement
• Enjoy the flexibility of a full-time hybrid position with opportunities to grow professionally and expand your skills
• Collaborate with talented professionals from around the world, contributing to a product that has a real-world impact

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!

Responsibilities

·       Develop Python-based APIs using FastAPI and Flask frameworks.

·       Develop Python-based Automation scripts and Libraries.

·       Develop Front End Components using VueJS and ReactJS.

·       Writing and modifying Docker files for the Back-End and Front-End Components.

·       Integrate CI/CD pipelines for Automation and Code quality checks.

·       Writing complex ORM mappings using SQLAlchemy.

Required Skills:

·       Strong experience in Python development in a full stack environment is a requirement, including NodeJS, VueJS/Vuex, Flask, etc.

·       Experience with SQLAchemy or similar ORM frameworks.

·       Experience working with Geolocation APIs (e.g., Google Maps, Mapbox).

·       Experience using Elasticsearch and Airflow is a plus.

·       Strong knowledge of SQL, comfortable working with MySQL and/or PostgreSQL databases.

·       Understand concepts of Data Modeling.

·       Experience with REST.

·       Experience with Git, GitFlow, and code review process.

·       Good understanding of basic UI and UX principles.

·       Project excellent problem-solving and communication skills.

Responsibilities:

• Understanding requirements from the product manager and translating to technical specifications
• DB schema development
• API development (structuring REST endpoints + real-time endpoints like socket.io integration)
• Integrating 3rd party services for payments, email, whatsapp, and other such services
• Optimizing our current architecture & processes for scale (we expect usage to go up)
• Guiding junior developers on best coding practices

Requirements:

• Experience in at least one Python-based Web Framework like Flask or Django
• Experience in SQL databases & API design
• Experience with Docker
• Hands on experience in full lifecycle development and deployment of a platform/system
• Being a self-starter with the ability to thrive in ambiguous and high pressure scenarios working towards a common goal with other teams

*Performs analysis of functional and business requirements

*Applies in-depth or broad technical knowledge to maintain data engineering functions performs solution design.

*Applies the company, open source, and 3rd party technologies to highly complex infrastructure and software solutions.

*Introduce new product features and enhance the platform

*Ability to translate business reporting requirements into a production report.