
Back End Developer - Python
at Well established B2C mobile app to control subscriptions
Our client has a B2C startup in the Fintech space building the payment system for the
subscription economy. We have raised pre-seed funding from some of the leading
investors in the country. A small brief about their product - To build the payment
system for the subscription economy and make it easier to discover and manage
subscription payments in India and abroad. To give subscription merchants the
power to increase their offering by providing user subscription data, multiple login
authentication, distribution and one click subscription checkouts. To enable users to
participate in the subscription economy & increase adoption of new subscriptions.
The core team come from strong backgrounds having been alumni of IIT Madras,
IIM Calcutta as well as having worked with some of the top startups in the
ecosystem including Swiggy, Mckinsey, Barclays, etc..
What we're looking for
We are looking for an experienced Python developer to join our engineering team
and help us develop our mobile application. In this role, you will be responsible for
writing and testing scalable code, developing back-end components, and integrating
user-facing elements in collaboration with front-end developers.
To be successful as a Python developer, you should possess in-depth knowledge of
object-relational mapping, experience with server-side logic, and above-average
knowledge of Python programming.
As one of the earliest members in engineering, you will have the flexibility to design
the application and systems from ground up. As any early-stage start-up, we expect
you to be comfortable wearing various hats, and be proactive contributor in building
something truly remarkable.
Responsibilities
Coordinating with development teams to determine application requirements.Python Backend Developer
2
Writing scalable code using Python programming language.
Developing back-end components.
Implement business logic in the backend
Integrating user-facing elements using server-side logic.
Create restful APIs for a seamless integration with our mobile front end
Testing and debugging applications.
Assessing and prioritizing client feature requests.
Integrating data storage solutions.
Coordinating with front-end developers.
Reprogramming existing databases to improve functionality.
Developing digital tools to monitor online traffic.
Qualifications
4+ years of experience in Python, Django, Mongo, Express, MySQL, etc
Have built applications capable of serving high volume with low latency in
production
Following practices of agile development with continuous integration/deployment
A deep understanding and multi-process architecture and the threading
limitations of Python.
Experience in deploying applications in AWS cloud
Ability to collaborate on projects and work independently when required.
Knowledge in building applications for Fintech/payments domain is a bonus
Bachelor's or Master's degree in CS or equivalent from a reputed institution

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Job Title: Cloud Development & Linux Debugging Engineer
Experience: 5–10 Years
Location: Bangalore / Chennai
Job Summary
We are looking for an experienced Cloud Development & Linux Debugging Engineer with strong expertise in Linux internals, system-level programming, and cloud technologies. The ideal candidate will have hands-on experience in developing, debugging, and optimizing Linux-based systems along with exposure to DevOps tools and containerized environments.
Key Responsibilities
- Develop and debug software at the Linux system level (kernel/user space).
- Work on Linux internals, low-level system components, and performance optimization.
- Design, develop, and maintain applications using Python and C/C++.
- Troubleshoot complex issues in Linux and cloud-based environments.
- Collaborate with cross-functional teams in an Agile/Scrum environment.
- Contribute to automation and infrastructure using DevOps tools.
- Work with containerized and cloud platforms such as Kubernetes and OpenStack.
Required Skills
- Strong experience in Linux software development (Linux internals, system-level programming).
- Proficiency in Python and C/C++.
- Solid debugging and analytical skills.
- Hands-on experience with Ansible, Puppet, and DevOps practices.
- Experience working with OpenStack and Kubernetes.
- Good understanding of Agile/Scrum methodologies.
- Excellent communication and teamwork skills.
Preferred Skills (Good to Have)
- Experience with Go / Golang and Go templating.
- Knowledge of Kubernetes Operators and Helm.
- Exposure to containerization technologies (Docker, Kubernetes).
- Contributions to open-source projects.
- Experience with cloud-native architectures.
Qualifications
- Bachelor’s/Master’s degree in Computer Science, Engineering, or related field.
- Self-driven individual with a strong learning mindset.
- Ability to work independently and in collaborative team environments.
About the role
We are looking for talented Senior Backend Engineers (5+ years of experience) to join our team and take ownership of different parts of our stack. You will be working alongside a team of Engineers locally and directly with the U.S. Engineering team on all aspects of product/application development. You will leverage your experiences and abilities to inform decisions across product development and technology. You will help us build the foundation of our 2nd Headquarters in Pune: its culture, its processes, and its practices. There are a ton of interesting problems to solve, so come hungry. If your colleagues describe you as curious, driven, kind, and creative you are a culture fit.
What Success Looks Like
- You write, review and ship code in production. Your employer or client's success depends on the software you build
- You use Generative AI tools on a daily basis to enhance the quality and efficacy of your software and non-software deliverables
- You are a self-starter and enjoy working with minimal supervision
- You evaluate and make technical architecture decisions with a long-term view, optimizing for speed, quality, and safety
- You take pride in the product you create and the code that you write
- Your team can rely on you to get them out of a sticky situation in production
- You can work well on a team of sales executives, designers and engineers in an in-person environment
- You are passionate about the enterprise software development lifecycle and feel strongly about improving it
- You are a first principles engineer who exercises curiosity about the technologies you work with
- You can learn quickly about technologies, software and code that you are not familiar with, often from rudimentary documentation
- You take ownership of the code that you write, and you help the team operate with everything that you build, throughout its lifecycle
- You communicate openly and solicit feedback on important decisions, keeping the team aligned on your rationale
- You exercise an optimistic mindset and are willing to go the extra mile to make things work
Areas of Ownership
Our hiring process is designed for you to demonstrate a generalist set of capabilities, with a specialization in Backend Technologies.
Required Technical Experience (MUST HAVE):
- Expertise in Python -
- Deep hands-on experience with Terraform -
- Proficiency in Kubernetes -
- Experience with cloud platforms (GCP strongly preferred, AWS/Azure acceptable) -
Additional experience with some of the following:
- Backend Frameworks and Technologies (Node.js, NuxtJS, Express.js)
- Programming languages (JavaScript, TypeScript, Java, C++, Go)
- RPCs (REST, gRPC or GraphQL)
- Databases (SQL, NoSQL, Postgres, MongoDB, or Firebase)
- CI/CD (Jenkins, CircleCI, GitLab or similar)
- Source code versioning tools such as Git or Perforce
- Microservices architecture
Ways to stand out
- Familiarity with AI Platforms
- Extensive experience with building enterprise-scale applications with >99% SLAs
- Deep expertise across the full required stack: Python, Terraform, Kubernetes, and GCP
You'll Get...
- Competitive Salary
- Medical Insurance Benefits
- Employer Provident Fund contributions with Gratuity after 5 years of service
- Company-sponsored US onsite trips for high performers, based on business requirements
- Potential international transfer support for top performers, based on business requirements
- Technology (hardware, software, trainings, etc.) equipment and/or allowance
- The opportunity to re-shape an entire industry
- Beautiful office environment
- Meal allowance and/or food provision on site
Culture
Who we are: Our Co-Founder and CTO is a Serial Gen AI Inventor who grew up in Pune, India, is a BITS Pilani graduate, and worked at NVIDIA's Pune office for 6 years. There, he was promoted 5 times in 6 years and was transferred to the NVIDIA Headquarters in Santa Clara, California. After making significant contributions to NVIDIA, he proceeded to attend Harvard for his dual Masters in Engineering and MBA from HBS. Our other Co-Founder/CEO is a successful Serial Entrepreneur who has built multiple companies. As a team, we work very hard, have a curious mind-set, and believe in a low-ego high output approach.
Backend Developer
About the Role:
We’re looking for a skilled Backend Developer (2–6 years of experience) who can design and build scalable backend systems, ensure high-performance APIs, and contribute to the technology powering a fast-growing jewelry platform. You’ll work closely with product and frontend teams to deliver robust, scalable, and reliable solutions.
Key Responsibilities:
- Design, build, and maintain scalable backend services and APIs.
- Write clean, secure, and well-documented backend code.
- Work with relational databases, ensuring optimized queries and data integrity.
- Collaborate with frontend engineers and product managers to deliver end-to-end features.
- Debug, troubleshoot, and optimize backend systems for performance and reliability.
- Contribute to architectural discussions and technology choices as the platform scales.
Requirements:
- 3–5 years of professional experience as a Backend Developer.
- Strong proficiency in Python with frameworks like Django, FastAPI, or Flask.
- Solid understanding of relational databases, schema design, and query optimization.
- Experience building and consuming REST or GraphQL APIs.
- Knowledge of version control (Git).
- Familiarity with Docker.
- Understanding of microservices architecture (good to have).
- Knowledge of CI/CD pipelines (good to have).
- Strong problem-solving, debugging, and optimization skills.
- Experience working in e-commerce or marketplace environments.
What’s in It for You:
- High ownership role in a fast-paced environment.
- Opportunity to work closely with the founding team and passionate professionals.
- Competitive salary with fast career growth and appraisals.
- Dynamic, collaborative, and politics-free work culture.
- Health insurance coverage.
Additional Details:
- Early-stage startup environment where meaningful achievements require dedication and passion.
- 6-day work week.
- Location: HSR Layout, Bangalore.
Job definition
Working at CAST R&D means being an important part of a highly-talented, fast-paced, multi-cultural and Agile team based in Paris (France) and Bangalore (India). The team builds a sophisticated source code analysis platform leveraging parsing, control flow, data flow and others mechanisms to fully understand the inner structure of the complex IT Systems developed and used by the Fortune 500 companies.
You, working as individual contributor as part of team, will contribute to the core part of our platform: source code analyzers. You will contribute to the evolution of our technology to support the latest evolution of languages and frameworks. You will have the opportunity to work on the different parts of the analysis chain from parsing to developing new quality rules notably the ones related to the emerging CISQ standard. Python or C++ will be your main languages.
About your Team
We develop source code analyzers which are plugins of our platform CAST AIP.
Close to customer needs, we deliver incrementally features and fixes according to priorities. Using Lean approach and eXtreme Programming:
• We write user documentation
• We thank our testers to find bugs which enable us to add more unit test coverage.
Profile
The candidate should have a passion for technology and a flexible, creative approach to problem solving.
• Must have at least 4 years of experience
• Must have expertise in Python or C++ development
• Must be pragmatic
• Must have excellent written, oral and telephone communication skills in English.
• Must have strong analytical and logical skills
• Must accept to follow a framework of rules on how to write/design static analyzers
• Hands on TDD addict: writing unit tests.
• Must accept to do a lot of maintenance
• Eager to learn new languages and frameworks at “high” level
Design, build, and maintain efficient, reusable, and reliable Python services &components
Ensure the best possible performance, quality, and security
Identify bottlenecks and bugs, and devise solutions to these problems
Help maintain code quality, organization
Understanding of established software development life cycles
Ability to prioritize and multi-task in order to meet deadlines
Resolves technical issues through debugging, research and investigation
Collaborate across various teams and with external clients
Contribute innovative designs and ideas for improving our company products and services
Required Skills Sets
Atleast 4+ years of experience in Design and Development with Python.
Experience in Flask / Django
Familiar with version control (Git)
Understanding of SQL
Strong Unit Testing practice
Understanding of design patterns, Microservices Architecture
Understanding of Scrum Agile methodology
Experience in data engineering & Docker is a plus.
Candidate Profile:
4+ Years of relevant experience with Python and its Principles.
Graduate in Computer Science or any related discipline (like BS / B.E. / B-Tech in Electronics,
Electrical, IT)
• Design, build, and maintain scalable applications using Python.
• Contribute to the entire implementation process including driving the definition of improvements
based on business need and architectural improvements.
• Act as a subject matter expert for Application Software developers and Engineers.
• Handle server-side code for a production platform and contribute to new features
To be the right fit, you'll need:
• More than 4+ years of experience as a software developer in Python, with knowledge of at least one Python web framework such as Django, Flask, etc.
• Good understanding of common design patterns and architecture principles to design reliable and Scalable applications
• Strong communication skills
• Knowledge of databases line NoSQL or MongoDB
• Good to have AWS and Docker or Web services
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Design, implement, and extend core platform services and APIs to enable new
products and features to be built.
• Provide technical contribute to the core team that powers our backend services for
millions of concurrent users.
• Build and own the core systems that form the architecture of our backend services
from api gateways, service observability and inter-service communications to higher
level business components like identity, therapeutic engine, and analytics systems
just to name a few.
• Drive the qualitative aspects of the backend services, like performance, scalability,
observability, reliability and security and so on.
Position: Python Developer
Experience: 2-9 Years
Company Profile:
About Exponentia: Exponentia is an AI tech organization with presence across India, Singapore, Middle East, and the UK. We are an innovative and disruptive organization, working on cutting edge technology to help our clients transform into the enterprises of the future. We provide artificial intelligence-based products/platforms capable of automated cognitive decision making to improve productivity, quality, and economics of the underlying business processes. Currently, we are transforming ourselves and rapidly expanding our business.
About Engagely: Engagely is an artificial intelligence based conversational product (SaaS) by Exponentia. Our core engine uses NLP and machine intelligence to deliver intelligent conversations. We help organizations create virtual assistants, bringing in automation and insightful customer engagement.
Requirements:
- 2-9 years hands on experience in Core Python with any framework (Flask/Django) building end to end applications development.
- Experience in Mongo (or any Nosql)
- Experience in client coordination
- Experience in Nodejs would be a plus
- Experience in Web technologies-HTML, CSS, Javascript
- Database-SQL Server/My SQL/ No SQL database
- Good understanding of Algorithms, data structures
Education
BE/MBA /PG (Statistics) with good academic credentials











