Senior Backend Developer (Python) - 3-6 years

Role & Responsibilities

As a Senior GenAI Engineer you will own the AI layer of our product — building the features that make Zenskar intelligent. This is not a research role and not a prompt-engineering role. You will build production AI systems that enterprise clients depend on, which means reliability, observability, and rigorous evals matter as much as the AI capability itself. You own the full vertical — the model, the pipeline, and the UI.

• Build and own CS Copilot — a real-time assistant for customer success teams, spanning STT pipelines, live transcription, and LLM-powered suggestions
• Build LLM-powered document understanding features — extracting structured, reliable data from unstructured enterprise documents
• Own AI feature UIs end-to-end — you build the interface, not just the model integration layer
• Design and maintain an eval framework — define what 'working' means for each AI feature and catch regressions before users do
• Drive model selection and integration decisions — choosing the right provider and approach for each use case, managing latency and cost
• Own AI platform reliability — observability, fallback behaviour, and graceful degradation when models fail
• Work closely with product, customer success, and the full-stack engineer — AI features only matter if they are usable and trusted by real users

THE IMPACT YOU'LL MAKE-

• You will define what AI means at Zenskar — the features you ship will be the most visible and differentiated parts of the product
• CS Copilot, if done well, changes how enterprise customer success teams operate every single day — this is a high-stakes, high-visibility surface
• You will establish the engineering culture around AI reliability at Zenskar — evals, observability, and disciplined iteration
• Your work will directly accelerate enterprise deals — AI features are increasingly a buying criterion for our clients
• You will be the person who brings engineering rigour to a domain where most companies ship demos and call it a feature

Ideal Candidate

• Strong Senior GenAI / AI Backend Engineer Profiles
• Mandatory (Experience 1) – Must have 4+ years of total software development experience, with at least 2+ years working on AI/LLM-based features in production
• Mandatory (Experience 2) – Must have strong backend engineering experience using Python (FastAPI / Django preferred) and building production-grade systems
• Mandatory (Experience 3) – Must have hands-on experience building LLM-based applications, including OpenAI / Gemini / similar models in real projects
• Mandatory (Experience 4) – Must have experience with RAG (Retrieval Augmented Generation) including chunking, embeddings, and retrieval pipelines
• Mandatory (Experience 5) – Must have experience designing end-to-end AI pipelines, including chaining, tool usage, structured outputs, and handling failure cases
• Mandatory (Experience 6) – Must have experience building agentic AI systems (multi-step workflows, tool orchestration like LangGraph / CrewAI or custom agents)
• Mandatory (Experience 7) – Must have strong coding and system design skills, not just prompt engineering or experimentation
• Mandatory (Experience 8) – Must have experience shipping AI features in production, not just POCs or research projects
• Mandatory (Experience 9) – Must have experience working with APIs, backend services, and integrations
• Mandatory (Experience 10) – Must have understanding of AI system reliability, including latency, cost optimization, fallback handling, and basic eval thinking
• Mandatory (Company) – Product companies / startups, preferably Series A to Series D
• Mandatory (Note) - Candidate's overall experience should not be more than 7 Yrs
• Mandatory (Tech Stack) – Strong in Python + AI/LLM ecosystem, experience with modern AI tooling and frameworks
• Mandatory (Exclusion) – Reject profiles that are only Prompt Engineers, Data Scientists, or Frontend Engineers without strong backend + system building experience
• Preferred (Skill) – Experience with fine-tuning (LoRA / QLoRA) or open-source model deployment (vLLM / Ollama)
• Preferred (Frontend) – Basic ability to build or contribute to frontend (React or similar)
• Highly Preferred (Education) – Candidates from Tier-1 institutes (IITs, BITS, NITs, IIITs, top global universities)

Job Title : Senior Python Developer

Experience : 7+ Years

Location : Remote or Hybrid (Gurgaon / Coimbatore / Hyderabad)

Job Summary :

We are looking for a highly skilled and motivated Senior Python Developer to join our dynamic engineering team.

The ideal candidate will have a strong foundation in web application development using Python and related frameworks. A passion for writing clean, scalable code and solving complex technical challenges is essential for success in this role.

Mandatory Skills : Python (3.x), FastAPI or Flask, PostgreSQL or Oracle, ORM, API Microservices, Agile Methodologies, Clean Code Practices.

Required Skills and Qualifications :

• 7+ Years of hands-on experience in Python (3.x) development.
• Strong proficiency in FastAPI or Flask frameworks.
• Experience with relational databases like PostgreSQL, Oracle, or similar, along with ORM tools.
• Demonstrated experience in building and maintaining API-based microservices.
• Solid grasp of Agile development methodologies and version control practices.
• Strong analytical and problem-solving skills.
• Ability to write clean, maintainable, and well-documented code.

Nice to Have :

• Experience with Google Cloud Platform (GCP) or other cloud providers.
• Exposure to Kubernetes and container orchestration tools.

Job Title : Python Django Developer

Experience : 6+ Years

Location : Gurgaon (Work from Office)

Job Type : Full-time

Working Days: Monday to Friday (5 Days)

Timings: 9:30 AM – 6:30 PM

Job Summary :

We are seeking a highly skilled and experienced Python Django Developer to join our dynamic team in Gurgaon.

The ideal candidate will have a strong background in backend development, Django frameworks, and RESTful API integration.

You will be responsible for building and maintaining scalable web applications and collaborating with cross-functional teams.

Key Responsibilities :

• Develop, test, and maintain robust, scalable, high-performance web applications using Django and Python.
• Design and implement RESTful APIs and integrate third-party APIs and services.
• Write reusable, testable, and efficient code following best practices and coding standards.
• Work with frontend developers to integrate user-facing elements using server-side logic.
• Optimize applications for maximum speed and scalability.
• Perform code reviews, troubleshoot issues, and ensure application performance and security.
• Collaborate with product managers, designers, and other developers to deliver high-quality products.

Required Skills & Qualifications :

• 6+ Years of hands-on experience with Python and Django framework.
• Strong experience with RESTful APIs, Django ORM, and PostgreSQL/MySQL.
• Proficiency in version control systems like Git.
• Familiarity with frontend technologies such as HTML, CSS, JavaScript, and AJAX.
• Experience with Docker, Celery, Redis, and cloud platforms (AWS/Azure) is a plus.
• Solid understanding of software development principles and design patterns.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration abilities.

Good to Have :

• Experience with Django REST Framework (DRF).
• Knowledge of unit testing and CI/CD pipelines.
• Exposure to Agile development methodologies.
• Familiarity with containerization and deployment tools (Docker, Kubernetes).

Job Description:  

Responsibilities: 

• Completing all tasks set by the supervisor and assisting wherever possible.  
• Observing existing strategies, techniques of coding, debugging, testing and adopting to the same 
• Ability to maintain composure under pressure 
• Ability to work in a team. 
• Good observation skills and a willingness to learn. 

Skills: 

• Proficiency in data structures and algorithms 
• Good problem solving and analytical thinking skills 
• Knowledge of Linux systems 
• Python coding knowledge 
• Knowledge of object-oriented programming 
• Good verbal and written communication skills.  

Requisition Raised by:  

Engineering Director 

What you'll do?

●    Develop on server-side cloud software using a serverless approach (AWS).

●    Work hands-on on bringing to life IoT and Edge architectures and applications

●    Work with teams on delivering key features and performance targets.

Who You Are?

●    Passionate individual who loves to develop scalable backend

●    Strong programming capabilities

●    Understanding of cloud architecture and protocols.

●    Clear thought process, believe in simplifying rather than complicating

●    Argue and fight over opinions. Believe in always choosing the best

You Should Have

●    Experience on NoSQL Databases and designing REST API.

●    Strong fundamentals of Data structure and algorithm.

●    Done related projects during graduation/post-graduation.

●    Experience on AWS, AWS Lambda, AWS IoT Core, AWS Cloud Watch is a big plus.

Proficiency in Python 

Key Responsibilities:

1. Write clean, structured code and develop back-end components that are scalable and reusable which aligns with the existing architecture.
2. Own and manage team processes, releases, and systems and integrate user-facing elements developed by front-end developers with server-side logic
3. Design, build, test, and document code and databases
4. Coordinate with internal teams to understand user requirements and provide technical solutions
5. Make architecture decisions that contribute to maintainable systems
6. Architect and build the backend for the corresponding web service (Django)

Skills Required:

1. 2+ years of experience with Django, Experienced & expertise in Python framework - Django and Rest
2. Strong systems, architecture and database fundamentals, experience with scaling web technologies
3. Should have basic knowledge of Front End
4. Should have good database design knowledge
5. Should be able to write good quality code with good documentation
6. Experience in creating REST API's
7. Basic understanding of tech stacks - Postgres and Git
8. The ability to work independently is a must

You will:

• Build services that serve millions of users
• Build for performance, reliability, and scalability
• Design easy-to-use APIs, systems, and tools
• Work with small teams of engineers, product, design, operation and other teams
• Lead projects, achieve goals, celebrate success with your teams

What you bring:

• 5+ years as individual contributor
• Strong background in Computer Science
• Strong technical expertise in robust and scalable server platform
• Helpful experiences include Java, Python, AWS, GCP, DevOps
• Leadership at bijnis is a service - you must be influential, patient, compassionate, able to prioritize, and able to inspire
• Ability to collaborate across multiple and cross functional teams
• Strategic mindset combined with pragmatic execution, and bias for action

Responsibilities

• You will design and develop large scale distributed services
• You will analyse and improve the efficiency, scalability, stability, and security of the platform as a whole.
• You will act as the primary owner of one or more components while driving innovation in your area of ownership
• You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
• You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
• You will work independently and handle dependencies with very minimal oversight
• You will take initiatives in developing and maintaining integrations of best practices within the back-end.
• You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.

Requirements

• You have 1 - 9 years of experience in software development.
• You have designed and scaled up the system.
• You have a strong understanding of Data Structures and Algorithms.
• You are an incessant problem solver and tougher the problem gets, more fun you have.
• You have strong command in any one or more of the following languages: Python and Django
• You understand the business impact of your decisions.

Good To Have

• You have prior experience in fintech companies

Traits We Are Looking For

• Experience in a specific tech stack doesn't matter for us.
• The general engineering mindset and aptitude is what matters more.
• Technically strong and curious.
• Should have a hacker mindset and should love exploring new technologies.

Desired Skills and Experience

Java, Python, Data Structures, Algorithms