Python Developer at Codenatives · Bengaluru (Bangalore) · 7 - 12 years · ₹5L - ₹24L / yr · Posted 30 Oct 2026

Job Summary
We are looking for a skilled Python Backend Developer with strong hands-on programming experience and a good understanding of SQL, databases, REST APIs, and backend development. The ideal candidate should have experience developing, maintaining, and optimizing backend applications, along with strong debugging and problem-solving skills.
Key Responsibilities
- Develop, maintain, and enhance backend applications using Python.
- Write, optimize, and manage SQL queries, including joins, subqueries, and complex queries.
- Work with relational databases such as PostgreSQL, MySQL, or SQL Server.
- Develop and integrate RESTful APIs for backend services.
- Perform debugging, troubleshooting, and performance optimization.
- Write unit tests and ensure code quality and application reliability.
- Use Git for version control and collaborative development.
- Collaborate with frontend developers, QA teams, and other stakeholders.
- Support data processing and ETL-related activities.
Required Skills
- Strong hands-on experience in Python programming.
- Good knowledge of SQL, joins, subqueries, and query optimization.
- Experience working with PostgreSQL, MySQL, or SQL Server.
- Knowledge of REST APIs and backend development concepts.
- Understanding of debugging, testing, and troubleshooting.
- Hands-on experience with Git and version control.
- Strong analytical and problem-solving skills.
Preferred Skills
- Experience with Python frameworks such as Django, Flask, or FastAPI.
- Knowledge of data processing and ETL pipelines.
- Familiarity with cloud platforms such as AWS or Microsoft Azure.
- Understanding of application deployment and backend architecture.
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We are seeking talented software developers who are passionate about coding and building & scaling
products. If you love taking on new challenges and have a problem solving mindset to solve problems through
code, you will be a perfect fit for our rockstar engineering team.
Roles and Responsibilities:
● Design and develop backend architectures to support robust, scalable, and secure web applications and
systems with a focus on backend development using Django.
● Design, implement and maintain high quality RESTful APIs to support seamless communication between
frontend, backend and other services.
● Design, implement, and maintain database schemas. Ensure the integrity, performance, and security of
data.
● Ensure the scalability and reliability of our backend infrastructure on AWS. Ensure reliable management of
infrastructure on cloud aiming for 0 downtime of systems.
● Write clean, maintainable, and efficient code, while adhering to best practices and industry standards.
Develop and maintain documentation for our backend systems, APIs, and data models.
● Conduct high quality code reviews and provide feedback to other team members to ensure best practices
are adhered to.
● Take ownership of the development, testing, and deployment of web applications. Break down high-level
business problems into smaller chunks and build systems.
● Work closely with the frontend development team, product managers, and designers to plan new features
and optimize existing ones.
● Constantly aim to improve performance and optimize systems by identifying bottlenecks and resolving
them for increased efficiency.
● Stay up-to-date with the latest technologies such as LLMs, and implement them as and when required
Skills and Qualifications:
● Bachelor's degree in Computer Science, Computer Engineering or a related field.
● 4+ years of experience in full-stack web development, with a focus on backend development.
● Strong proficiency in Python and Django, including experience with Django Rest Framework.
● Experience working with SQL/PostgreSQL databases, including schema design, querying, and
optimization.
● Proficiency in AWS services such as EC2, RDS, S3, and Lambda.
● Familiarity of integrations with third party services and open source frameworks
● Strong understanding of data structures, algorithms, and software design patterns.
● Experience with containerization and orchestration technologies such as Docker and Kubernetes is a plus.
● Familiarity with LLM frameworks such as Langchain, OpenAI, Anthropic, LLaMa is a plus.
● Strong problem-solving skills and ability to work in a fast-paced environment.
● Excellent communication and collaboration skills.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
We are looking for an exceptional Python Backend Developer to join our engineering team. You will be responsible for managing the interchange of data between the server and the users, developing server-side logic, and ensuring high performance and responsiveness to requests from the front end. The ideal candidate must have a rock-solid foundation in core computer science concepts, specifically Object-Oriented Programming (OOP) and Data Structures and Algorithms (DSA), to design and implement highly scalable and optimised backend systems.
Responsibilities:
- Design, build, and maintain efficient, reusable, and reliable Python code.
- Develop robust, highly scalable, and low-latency backend architectures and APIs.
- Apply strong OOPS principles to build modular and maintainable software systems.
- Utilise advanced Data Structures and Algorithms (DSA) to solve complex computational problems and optimise application performance.
- Integrate user-facing elements developed by front-end developers with server-side logic.
- Implement security and data protection measures.
- Identify bottlenecks, troubleshoot bugs, and devise elegant solutions to mitigate these issues.
- Collaborate cross-functionally with product managers, front-end developers, and QA engineers to deliver high-quality features.
Requirements:
- Core Python: Strong proficiency in Python programming with a deep understanding of its quirks, ecosystem, and best practices.
- OOPs Expertise: Excellent command over Object-Oriented Programming concepts (Inheritance, Polymorphism, Encapsulation, Abstraction) and design patterns.
- DSA Proficiency: Strong problem-solving skills with a deep understanding of Data Structures (Arrays, Trees, Graphs, Hash Tables, etc. ) and Algorithms (Sorting, Searching, Dynamic Programming, etc. ).
- Frameworks: Hands-on experience with popular Python web frameworks such as Django, FastAPI, or Flask.
- Database Management: Solid understanding of relational databases (e. g., PostgreSQL, MySQL) and ORM (Object-Relational Mapper) libraries.
- API Development: Experience in designing and developing RESTful APIs.
- Version Control: Proficient understanding of code versioning tools, such as Git.
- Clean Code: A strong commitment to writing clean, readable, and properly documented code.
Good to Have (Optional):
- Experience with NoSQL databases (e. g., MongoDB, Redis).
- Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization tools (Docker, Kubernetes).
- Knowledge of asynchronous programming in Python (asyncio).
Responsibilities
● Architect and build end-to-end backend services and APIs.
● Integrate with external systems such as insurers, payment gateways, and other
partners.
● Ensure high observability, performance, and reliability across systems.
● Write clean, reusable, and maintainable code with a focus on scalability.
● Implement comprehensive test coverage and maintain code quality.
● Manage database design, migrations, scripting, and administration.
Experience & Skills
● 2-8 years of experience in backend development.
● Hands-on experience with low-level & high-level system design.
● Proven experience building scalable, secure backend systems (APIs, middleware, caching).
● Proficiency in Python, Django, Django REST Framework (DRF), PostgreSQL, Redis,
Celery, and basic HTML/CSS.
● Experience developing RESTful APIs.
● Familiarity with AWS or other major cloud platforms is a plus.
● Strong sense of ownership, problem-solving ability, and leadership qualities.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Job Summary
We are seeking a skilled Python Developer with experience in building scalable applications using Python frameworks such as Flask and Django. The ideal candidate should have hands-on experience with PySpark for big data processing and strong SQL skills for data analysis and database management.
Key Responsibilities
- Design, develop, test, and maintain Python-based applications.
- Develop RESTful APIs using Flask and/or Django.
- Build scalable data processing pipelines using PySpark.
- Write efficient SQL queries, stored procedures, and optimize database performance.
- Integrate applications with databases and third-party services.
- Collaborate with cross-functional teams to gather and implement business requirements.
- Troubleshoot, debug, and enhance application performance.
- Follow coding standards, perform code reviews, and maintain technical documentation.
Required Skills
- Strong proficiency in Python.
- Hands-on experience with Flask and/or Django.
- Experience with PySpark for large-scale data processing.
- Strong knowledge of SQL (writing complex queries, joins, indexing, optimization).
- Understanding of REST APIs and microservices architecture.
- Experience with Git/version control.
- Knowledge of relational databases such as PostgreSQL, MySQL, SQL Server, or Oracle.
- Good problem-solving and analytical skills.
Preferred Skills
- Experience with cloud platforms (AWS, Azure, or GCP).
- Familiarity with Docker and Kubernetes.
- Knowledge of CI/CD pipelines.
- Experience with Airflow or other workflow orchestration tools.
- Understanding of Agile/Scrum methodologies.
Role Title:- Mid-Level Python Developer
Location - Bangalore
Employment Type -Full-time (Work from Office)
Experience Required - 3 to 7 years
Notice Period Preference - Open to all candidates, but shorter notice period candidates will be preferred.
About the Role
We are looking for a strong Mid-Level Python Developer to join our backend engineering team in Bangalore. The role is focused on building, maintaining, and improving backend systems for fintech products in the Indian capital markets domain, specifically around PMS, AIF, portfolio operations, order management, reporting, and client-facing enterprise workflows.
The ideal candidate should have hands-on experience in building APIs, working with relational databases, writing clean and maintainable Python code, and solving practical backend engineering problems. This is a backend-first role. Frontend or Angular exposure is preferred but not mandatory.
The candidate should be capable of independently owning backend modules, collaborating with product and frontend teams, mentoring junior developers, and eventually growing into a team lead role.
Key Responsibilities
- Design, develop, and maintain backend APIs using Python and FastAPI.
- Build reliable, scalable, and maintainable backend services.
- Work extensively with PostgreSQL for database design, querying, optimization, and data integrity.
- Use Redis for caching, queues, session handling, or performance improvement where applicable.
- Write clean, modular, testable, and production-ready Python code.
- Develop REST APIs with proper request validation, error handling, authentication, and response structure.
- Understand business requirements and convert them into robust backend implementation.
- Debug production issues, identify root causes, and implement long-term fixes.
- Optimize database queries, backend logic, and API performance.
- Participate in code reviews and maintain engineering standards.
- Mentor junior developers and help improve their coding, debugging, and backend design skills.
- Work closely with frontend developers, QA, product/business teams, and management.
- Contribute to technical documentation, SOPs, and internal development practices.
- Build backend solutions for fintech workflows related to PMS, AIF, capital markets, reporting, order processing, and operational automation.
Required Technical Skills
Python Backend Development:-
- Strong hands-on experience with Core Python.
- Good understanding of Python data structures, functions, classes, modules, exception handling, and file handling.
- Ability to write clean, reusable, and maintainable backend code.
- Experience with practical backend service logic, data transformation, and debugging.
FastAPI / API Development:-
- Hands-on experience with FastAPI or similar Python web frameworks.
- Strong understanding of REST API design.
- Experience with request/response validation, status codes, error handling, middleware, and dependency injection.
- Basic understanding of authentication and authorization in APIs.
- Ability to design APIs that are practical, secure, and maintainable.
Database Skills:-
- Strong working knowledge of PostgreSQL.
- Ability to write SQL queries involving joins, aggregations, filters, subqueries, and transactions.
- Understanding of indexing, query performance, constraints, and relational database design.
- Ability to troubleshoot data issues and optimize database-heavy backend workflows.
Redis / Caching:-
- Working knowledge of Redis.
- Understanding of caching use cases, TTL, key-value storage, and performance improvement patterns.
- Experience using Redis in backend applications will be preferred.
Backend Engineering Fundamentals:-
- Understanding of application architecture, modular code structure, logging, configuration management, and environment variables.
- Good debugging and problem-solving ability.
- Understanding of production issues, edge cases, and maintainability.
- Basic understanding of background jobs, queues, async processing, or scheduled tasks will be preferred.
Version Control & Development Practices
- Experience with Git.
- Ability to work with branches, pull requests, code reviews, and structured development workflows.
- Familiarity with testing, basic unit tests, and API testing tools such as Postman.
Preferred Skills
- Experience in fintech, capital markets, PMS, AIF, wealth management, portfolio reporting, or order management systems.
- Exposure to Angular or frontend development.
- Experience with background task processing, Celery, Redis queues, or scheduled jobs.
- Experience with Docker or Linux-based deployment environments.
- Experience working on enterprise SaaS or client-facing business applications.
- Understanding of financial data workflows, reconciliations, transactions, holdings, reporting, or order lifecycle.
Domain Exposure Preferred
Candidates with experience or interest in the following areas will be preferred:
- Indian capital markets
- Portfolio Management Services — PMS
- Alternative Investment Funds — AIF
- Wealth management platforms
- Order management systems
- Financial reporting systems
- Investor/client reporting workflows
- Transaction, holding, and reconciliation workflows
Expected Candidate Profile
The ideal candidate should be:
- A strong backend developer with practical problem-solving ability.
- Comfortable working independently on backend modules.
- Able to understand business workflows and translate them into technical implementation.
- Detail-oriented, especially when working with financial data.
- Comfortable debugging production issues and improving system reliability.
- Capable of mentoring junior developers.
- Interested in growing into a future technical/team lead role.
- Comfortable working from an office in Bangalore.
Assessment Process
The hiring process will include:
1. Initial screening based on resume, experience, notice period, and compensation fit.
2. Google Form technical assessment of 50 marks.
3. Live coding / technical discussion round.
4. Final face-to-face discussion covering technical depth, domain fit, ownership, and team fit.
What We Are Evaluating
- Python fundamentals and coding clarity
- Backend API design ability
- SQL and PostgreSQL practical knowledge
- Debugging and problem-solving approach
- Understanding of Redis and caching basics
- Ability to think through edge cases
- Code maintainability and readability
- Production-readiness mindset
- Ability to work in fintech/capital markets workflows
- Potential to mentor juniors and grow into a lead role
Summary
This role is suitable for a backend-focused Python developer who has strong hands-on coding ability, practical database knowledge, and the maturity to independently own backend modules. The candidate should be comfortable working in a fintech product environment where accuracy, reliability, and clean backend design are critical.
About the role
You'll work alongside a Senior Backend, Data & ML Developer and our existing backend team to build backend systems, process data, and integrate ML and data science models into our platform.
What you'll do
- Build and maintain backend services and APIs.
- Develop data processing workflows and pipelines.
- Implement, integrate and maintain ML models and data science algorithms in production.
- Optimise database queries, data models and system performance.
- Work with the frontend and mobile teams on API integrations.
- Write tests and documentation, and take part in code reviews.
What we're looking for
- 3–5 years of backend development experience.
- Strong skills in Django and working knowledge of SQL databases.
- Practical experience with ML models and data science algorithms, from training or integration through to deployment.
- Experience handling and transforming data at scale.
- Experience with cloud platforms, Git and CI/CD.
- Clear communication with backend, web and mobile teammates.
- Experience working with AI tools for development such as Claude and Cursor
Note: Full-stack experience isn't required. Strong backend and data skills plus good cross-team communication matter most.
Nice to have
- Python data and ML tools (for example pandas, scikit-learn or PyTorch).
- Experience with model serving or MLOps tools.
Python Software Engineer (3–5 Years Experience)
Location: [Pune]
Role Overview
We are seeking skilled Python engineers to join our core product team. You will work on backend services, API development, and system integrations, contributing to a codebase of over 250,000 Python lines and collaborating with frontend, DevOps, and native code teams.
Key Responsibilities
· Design, develop, and maintain scalable Python backend services and APIs
· Optimize performance and reliability of large, distributed systems
· Collaborate with frontend (JS/HTML/CSS) and native (C/C++/C#) teams
· Write unit/integration tests and participate in code reviews
· Troubleshoot production issues and implement robust solutions
Required Skills
· 3–5 years of professional Python development experience
· Strong understanding of OOP, design patterns, and modular code structure
· Experience with MongoDB (PyMongo), Mako, RESTful APIs, and asynchronous programming
· Familiarity with code quality tools (flake8, pylint) and test frameworks (pytest, unittest)
· Experience with Git and collaborative development workflows
· Ability to read and refactor large, multi-module codebases
Nice to Have
· Experience with web frameworks (web.py, Flask, Django)
· Knowledge of C/C++ or C# for cross-platform integrations
· Familiarity with CI/CD, Docker, and cloud deployment
· Exposure to security, encryption, or enterprise SaaS products
What We Offer
· Opportunity to work on a mission-critical, enterprise-scale product
· Collaborative, growth-oriented engineering culture
· Flexible work arrangements (remote/hybrid)
· Competitive compensation and benefits
Backend Developers
- Contract To Hire (Initial Engagement: 6 months)
Experience: 5+ years
Mandatory Skills:
● Node.js
● Python
● MongoDB
● PostgreSQL
● REST API design and development
● Backend architecture and service design
● Database design, indexing and query optimisation
● Performance tuning
● Authentication/authorisation
● Third-party integrations
● Asynchronous processing and background jobs
● Logging, monitoring and debugging
● Git and collaborative development
● Scalable, maintainable and testable backend services
● Architecture discussions, code reviews, debugging and production support
Good to have:
● Microservices
● Docker
● Cloud platforms
● Redis
● Message queues
● CI/CD
● Observability

Experience and Expertise
● 7– 10 years of experience in backend development with Python or Golang.
● Solid understanding of RESTful APIs, microservices, and distributed systems.
● Strong knowledge of data structures, algorithms, and OOPS principles.
● Hands-on experience with relational and/or NoSQL databases.
● Familiarity with Linux development, Docker, and basic cloud concepts
(AWS/GCP/Azure).
● Proficiency with Git and version control workflows.
● Familiarity with AI-powered development tools or exposure to projects involving large
language models (LLMs) is a plus.
Skills
● Strong analytical and debugging skills with the ability to solve complex problems.
● Good communication and collaboration skills across teams.
● Ability to work independently with minimal supervision while being a strong team
player.
● Growth mindset – eagerness to learn new technologies
● 2–4 years of experience in backend development with Python or Golang.
● Solid understanding of RESTful APIs, microservices, and distributed systems.
● Strong knowledge of data structures, algorithms, and OOPS principles.
● Hands-on experience with relational and/or NoSQL databases.
● Familiarity with Linux development, Docker, and basic cloud concepts
(AWS/GCP/Azure).
● Proficiency with Git and version control workflows.
● Familiarity with AI-powered development tools or exposure to projects involving large
language models (LLMs) is a plus.












