Backend Software Developer

Experience: Back-end development: 6 years (Required)

Job Description:

We are looking for a highly skilled Senior Python Django Developer with extensive experience in building and scaling financial or payments-based applications. The ideal candidate has a deep understanding of system design, architecture patterns, and testing best practices, along with a strong grasp of the startup environment.

This role requires a balance of hands-on coding, architectural design, and collaboration across teams to deliver robust and scalable financial products.

Responsibilities:

• Design and develop scalable, secure, and high-performance applications using Python (Django framework).
• Architect system components, define database schemas, and optimize backend services for speed and efficiency.
• Lead and implement design patterns and software architecture best practices.
• Ensure code quality through comprehensive unit testing, integration testing, and participation in code reviews.
• Collaborate closely with Product, DevOps, QA, and Frontend teams to build seamless end-to-end solutions.
• Drive performance improvements, monitor system health, and troubleshoot production issues.
• Apply domain knowledge in payments and finance, including transaction processing, reconciliation, settlements, wallets, UPI, etc.
• Contribute to technical decision-making and mentor junior developers.

Requirements:

• 6 to 10 years of professional backend development experience with Python and Django.
• Strong background in payments/financial systems or FinTech applications.
• Proven experience in designing software architecture in a microservices or modular monolith environment.
• Experience working in fast-paced startup environments with agile practices.
• Proficiency in RESTful APIs, SQL (PostgreSQL/MySQL), NoSQL (MongoDB/Redis).
• Solid understanding of Docker, CI/CD pipelines, and cloud platforms (AWS/GCP/Azure).
• Hands-on experience with test-driven development (TDD) and frameworks like pytest, unit test, or factory boy.
• Familiarity with security best practices in financial applications (PCI compliance, data encryption, etc.).

Preferred Skills:

• Exposure to event-driven architecture (Celery, Kafka, RabbitMQ).
• Experience integrating with third-party payment gateways, banking APIs, or financial instruments.
• Understanding of DevOps and monitoring tools (Prometheus, ELK, Grafana).
• Contributions to open-source or personal finance-related projects.

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)

Responsibilities

● Utilize Python to write batch jobs and scripts for various automation tasks, ensuring efficiency and reliability.

● Write clean, efficient, and well-documented code to deliver high-quality software solutions.

● Troubleshoot and resolve bugs and other performance issues to maintain system stability.

● Participate in code reviews to ensure code quality and compliance with coding standards.

● Collaborate with front-end developers to integrate user-facing elements with server-side logic.

● Mentor junior developers and share knowledge to foster a collaborative learning environment.

Must Have requirements

● Proficiency in Python, with a strong understanding of its ecosystem, libraries, and frameworks.

● Proven 1-5 years of experience working as a Python Developer or in a similar role.

● Experience working with Elastic search for storing and querying large volumes of structured data.

● Strong communication and collaboration skills, with the ability to work effectively in a team-oriented environment.

● Excellent problem-solving and analytical skills, with the ability to troubleshoot complex technical issues.

● Strong working knowledge in any NoSQL (preferable)or relational databases

● Good exposure to working on Linux/Unix systems.

● Proficient understanding of code versioning tools (such as Git).

Nice to have requirements

● Proficiency in TypeScript to write scalable and maintainable code.

● Experience with web scraping tools and libraries (e.g., Scrapy, BeautifulSoup, Selenium, Requests).

● Familiarity with cloud platforms like AWS.

● Basic understanding of GoLang/Java as a coding language

Must have :

• Strong Experience in Python development
• Familiarity with Data Structures and Algorithms
• Experience in developing Enterprise scale applications
• Exposure to NLP
• Exposure / awareness of AI, ML
• Exposure to Windows Azure is an added advantage
• God understanding of project architecture and software development processes such as Agile and Scrum

Responsibilities :

• Partner with Business Stakeholders to translate business objectives into clearly defined analytical Projects
• Own the end-end process, from recognizing the problem to implementing the solution
• Understand customer’s requirements and design the optimum solution using Icertis’ AI applications
• Configure, Extend, and optimize Icertis AI app through Python scripts, NLP NER Analysis and other mechanisms
• Take full ownership of project / product features to implement, provide bug fixes and write tests and tooling for those features to ensure they work well at cloud scale.
• Plan and identify solutions and risks in assigned work
• You are expected to be hands on and write code on day to day basis and also mentor other team members

2.       Proficiency with fundamental front-end languages such as HTML, CSS.

3.       Familiarity with JavaScript frameworks such as Angular JS, React, and Amber.

4.       Proficiency with server-side languages such as Python / Ruby / Java / PHP/ .Net.

5.       Good Understand with database technology such as MySQL, Oracle, and MongoDB.