Java + Python Developer

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

💥 What will you do?

As a Lead Backend Engineer, you will

• Build out and help scale our Django (+ReactJS / VueJS) based web application as we add new features and customers

• Help us transition from monolithic system architecture to microservices and serverless system architecture to help meet our future scaling requirements

• Collaborate on a daily basis with a small, nimble team of product managers, engineers, and UX designers to understand business requirements and user experience goals and pain points.
• Build out features to enable multi-channel customer acquisition include partner channels, enterprise channels, and government channels
• Integrate third-party plugins to enhance customer experience and internal tooling build internal tooling to improve internal team efficiencies.
• Actively participate in code reviews
• Work with our quality assurance team to improve coverage on our automated testing suites

🙋 What are we looking for? 

While we do not have a strict list of requirements for candidates interested in this role, some indicators that you would fit this role and our engineering culture are 

• Prior experience of a few years (3+ years) with python based frameworks as Django or Flask would be essential to work on our application stack.

• You actively promote a culture of engineering excellence some of which could be writing efficient code, use of elegant design patterns, and styling your code through code-linting policies.

• You enjoy designing software architecture by collaborating with engineering managers, architects, and other lead engineers to explore existing systems, determining areas of complexity, potential risks to successful implementation.

• You enjoy coaching folks to achieve outcomes through nudges.

📢 Other information you may want to consider 

• We will be flexible for the rest of the pandemic and work remotely; however, we are not a remote-first company, and the work location would be Bangalore when things settle.
• Our backend tech stack includes Django, FastAPI, Postgres, Redis, Clickhouse, and TigerGraph. Our environments are managed through Docker, Kubernetes, and Terraform.

• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement
• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience
• Developing ideas for new programs, products, or features by monitoring industry developments and trends
• Recording data and reporting it to proper parties, such as clients or

  • leadership

• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members
• Taking lead on projects, as

1. Writing reusable, testable, and efficient
2. Design and implementation of low-latency, high-availability, and performant
3. Integration of user-facing elements developed by front-end developers with server side
4. Implementation of security and data
5. Integration of data storage solutions may include databases, key-value stores, blob stores, etc. Experience administering innovation with methodologies such as design
6. Experience working on Agile Scrum and DevOps aligned delivery
7. Interest and ability to learn other coding languages as
8. Strong communication skills and great product
9. Proficient communication skills verbal and
10. Understanding of accessibility and security compliance depending on the specific
11. Knowledge of user authentication and authorization between multiple systems, servers, and environments.
12. Understanding of fundamental design principles behind a scalable
13. Familiarity with event-driven programming in
14. Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific
15. Able to create database schemas that represent and support business
16. Strong unit test and debugging

1. Expert in Python, with knowledge of at least one Python web framework such as Django, Flask, etc depending on your technology
2. Familiarity with some ORM (Object Relational Mapper)
3. Able to integrate multiple data sources and databases into one
4. Understanding of the threading limitations of Python, and multi-process
5. Good understanding of server-side templating languages such as Jinja 2, Mako, etc depending on your technology
6. Basic understanding of front-end technologies, such as JavaScript, HTML5, and
7. Proficient understanding of code versioning tools such as Git, Mercurial or

Company operates in over 25 countries across six continents and is part of Publicis Media, one of four solution hubs within Publicis Groupe, which is present in over 100 countries and employs nearly 80,000 professionals.

It believe there are better ways for brands to connect with people. And we’re on a mission to guide brands to better connections -- across consumers, channels and partners. These are just some of the services we offer our clients in our quest to deliver ambitious outcomes.

CommerceIQ is a well funded fast growing enterprise SaaS platform that is helping brands grow and sell more on e-commerce channels through its machine learning technology. Are you excited about building distributed crawling engine at global scale that will crawl and parse 1000’s of websites with 10+ million crawls on a daily basis? Would you enjoy building something as ambitious as “Google/Facebook Ad platform” for Amazon (and other e-commerce retailers)? Does building a CI/CD and containerisation framework that will allow our products to be released and deployed every week across dozens of geographies and data centers seamlessly excite you? Do you find building machine learning models that will optimize billions of dollars in ad and promotions spend exhilarating? Do you find it super exciting to build a plug and play product UI platform where leaders of brands will spend hours daily (almost as much as an email inbox) to optimize their business? We can keep writing, but you will get the idea.

In our journey of building and scaling CommerceIQ, Engineers and data scientists in our team tackle these and many more problems daily. If you are as excited as we are after reading this, we would love to talk to you! 30+ global brands including Kellogg, Unilever, Johnson & Johnson, MARS, Nestle, Logitech and many more trust our product to manage their growth on Amazon. If you are excited about building product that will write the script for how brands sell and grow on e-commerce channels please reach out to us.

Are you ready to power intelligent commerce? @CommerceIQ, you will :

• You will be responsible for developing, testing and releasing features within time and with high quality that will drive revenue and margin impact to top brands.

• You will be designing your own features keeping in mind the scale and high availability of the systems. • You will be working with the team and expected to perform code reviews, conduct design discussions and mentor other developers.

•You will be the owner of your feature and work directly with product teams to drive customer impact.

• You will be expected to participate in all phases of the software development cycle as part of a Scrum team.

Experience : 3+ Years in developing in designing and developing complex and scalable software modules..

Skillset : • The ideal candidate will be an experienced Java developer with exceptional software system design, problem solving, and object-oriented coding skills

• Experience with distributed transaction-processing systems or asynchronous messaging technology is required.

• Good understanding of system performance trade-offs, load balancing, and engineering for high availability.

• Obsessed about building quality software and owning end to end responsibility for the developed features.

• Understanding of enterprise information systems, service oriented architectures, and operational data stores is a plus

• BS or MS in Computer Science/Engineering, Mathematics, Statistics or similar degree from a top tier institution

As a Senior Software Engineer - I,you'll take on complex problems that span multiple components and teams. As SSE - I, you could expect to: 

• Independently own one or more multiple modules, which includes: requirement analysis, design, development, maintenance & support
• Write extensive, efficient code to address complex modules and that handles interaction between multiple components. 
• Rapidly iterate to add new functionalities and solves complex problems with simple and intuitive solutions
• Produce architecture with clean interfaces, that are efficient and scalable
• Participate and contribute to architectural discussions
• Perform design and code reviews
• Perform technical feasibility and trade off studies & guides others to perform these studies
• Solve production issues. Investigate and provide solutions to minimize the business impact due to outage
• Continuously improve performance metrics of modules you own.
• Actively mentor and develop junior developers in all software development practices
• Participate in the hiring process (referrals, interviews, attending recruiting events or writing blogs)
• Onboard and mentors new team members, helps shape the culture of the team
• Collaborate effectively across teams to solve problems, execute and deliver results

Minimum Requirements: 

• A minimum of 4 years of relevant software development experience