
Level of skills and experience:
5 years of hands-on experience in using Python, Spark,Sql.
Experienced in AWS Cloud usage and management.
Experience with Databricks (Lakehouse, ML, Unity Catalog, MLflow).
Experience using various ML models and frameworks such as XGBoost, Lightgbm, Torch.
Experience with orchestrators such as Airflow and Kubeflow.
Familiarity with containerization and orchestration technologies (e.g., Docker, Kubernetes).
Fundamental understanding of Parquet, Delta Lake and other data file formats.
Proficiency on an IaC tool such as Terraform, CDK or CloudFormation.
Strong written and verbal English communication skill and proficient in communication with non-technical stakeholderst

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Senior Python Developer to lead the development of scalable, high-performance backend systems and data-driven applications. You will work on building robust services, APIs, and data workflows that power real-time and batch applications.This role is ideal for a seasoned developer who thrives on solving complex problems, building reliable software, and working across data and engineering teams. Youll play a key role in designing and developing Python-based systems that interface with big data frameworks, cloud platforms, and analytics tools.Key Responsibilities
- Design and develop robust Python-based backend services and microservices.
- Build RESTful APIs and integrations with third-party systems and internal tools.
- Work with data workflows involving ingestion, transformation, and validation.
- Develop and maintain ETL/ELT pipelines using Python, SQL, and Airflow.
- Collaborate with DevOps teams to deploy, monitor, and scale applications in cloud environments (AWS, Azure, GCP).
- Optimize code for performance, scalability, and maintainability.
- Write unit and integration tests, participate in code reviews, and follow CI/CD best practices.
- Work with cloud storage, databases, and data lake technologies like S3, Parquet, and DuckDB.
- Collaborate with data scientists, analysts, and engineers to enable data access and modeling.
Required Skills & Qualifications
- 5+ years of experience in backend software development, primarily in Python.
- Strong understanding of OOP, modular design, and Python design patterns.
- Experience with web frameworks (e.g., Flask, FastAPI, Django).
- Hands-on experience with data processing tools like Pandas, SQLAlchemy, PyArrow.
- Proficiency with SQL and database technologies (PostgreSQL, DuckDB, etc.).
- Experience with Airflow for workflow orchestration.
- Knowledge of building scalable, distributed applications and microservices.
- Familiarity with cloud platforms (AWS, Azure, GCP) and containerization tools (Docker, Kubernetes).
- Solid understanding of version control (Git), testing frameworks (PyTest), and CI/CD pipelines.
- Excellent problem-solving, debugging, and communication skills.
Preferred Skills (Nice to Have)
- Experience with data processing frameworks like Apache Spark or Vaex.
- Familiarity with data storage formats and tools like Parquet, Iceberg.
- Exposure to data streaming platforms (Kafka, Kinesis, Flink).
- Experience integrating backend systems with AI/ML pipelines or BI platforms.
- Understanding of security standards and compliance (GDPR, HIPAA, SOC2).
- Background in metadata-driven or event-driven architectures.
Backend Developer Job Description
Job Title: Backend Developer
Location: Nipania, Indore
Job Type: Full-time
Experience Level: Mid-Senior Level
Role Overview:
We are seeking an experienced Backend Developer to join our dynamic team. The ideal candidate will be responsible for building robust server-side applications and services. You will work closely with frontend developers to ensure seamless integration between the server-side logic and user-facing features.
Responsibilities:
- Implement efficient and secure backend services using Node.js and Python.
- Design and implement data storage solutions using MongoDB.
- Write effective APIs to support frontend functionalities.
- Optimize applications for performance, security, and scalability.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Maintain cloud services on AWS, including AWS EC2, Amplify, S3, Route 53, Cloudfront, Lambda & AWS CLI..
- Troubleshoot and debug issues across the backend stack.
Requirements:
- Proficient understanding of the MERN stack (MongoDB, Express.js, React.js, Node.js).
- Good experience using Docker and cloud services (AWS or Digital Ocean).
- Familiarity with microservices architecture and testing APIs with Postman.
- Knowledge of modern authorization mechanisms (e.g., JWT).
- Experience creating and maintaining CI/CD pipelines is a plus.
- Strong problem-solving skills with the ability to debug complex issues.
- Experience or knowledge of GraphQL is a plus.
Benefits:
- Leave encashment
- Provident Fund
Schedule:
- Day shift
- Fixed shift
Location- 840, Hare Krishna Vihar, Nipania, Indore, Madhya Pradesh 452010
What You'll do:
- 2-5 years of experience building scalable backends using Python
- In-depth knowledge of Python/Django or Flask
- Familiar with oauth integration Social Networking API (Facebook, Twitter, Linked In, Google+)
- Experience integrating with mobile Apps
- Django/Flask permissions model, caching, async mechanisms
- Understanding of caching, database interactions
- Able to engineer the best performing solutions and always keeping scalability in mind
What makes you a great fit:
- Strong problem solving skills
- Knowledge of data structures and algorithms
- Hungry for more responsibility and knowledge
- Passion for building robust systems that are engineered to handle failure scenarios, an undying love and attitude for maintaining coding standards
- Strong advocate for producing quality software who makes sure issues are raised and resolved
- Experience with at least one of the cloud platforms like AWS, GCP, Azure, Digital Ocean etc. (docker, Kubernetes, microservice good to have)
Must have skillsets:
Skills : Python/ Django or Flask
Experience required: 3 -5 years
Job Type: Full time/ Permanent
Perks and Benefits :
- 5 days working.
- Flexible shift timings
- Company-sponsored certifications.
- Team friendly culture
- Flat hierarchy
- Carrom, Table tennis games, Cricket Tournament Participation for interested employees
- Snack-filled pantry for team members
- Group Medical Insurance (*)
Card91 is simplifying business payments by providing a plug and play issuance infrastructure
to businesses for domestic and cross-border payments. Our full stack platform enables
businesses to gain control and visibility into their payment flows, controlling the entire payment
lifecycle from onboarding, to issuance, to transaction and data reconciliation. The platform
aims to provide holistic solutions around payment issuance and distribution management. Our
deep focus in payments will help us in bringing new issuance formats as well as technologies
to businesses.
The company has been founded by seasoned technology entrepreneurs who have founded
successful companies like Myntra, Mastiff Technologies earlier. Headquartered in Bangalore,
with presence in Mumbai and NCR, Card91 aims to disrupt the payment infrastructure space
in the issuer-processor segment.
Position: Python Developer
We are building our core team which will be responsible for a highly scalable, always available
microservices based backend for payment processing. The developer will be involved with the
design, implementation, and execution from day one and build a robust, secure, and scalable
payment processing engine.
Roles & Responsibilities
● Individual Contributors talking full ownership of the micro services
● Design and Implement the micro services from scratch
● Be creative and always try to evaluate new strategies to execute faster
● Team player and always eager to teach new team members about the code,
● structure and design
● Not afraid of bringing new designs (even languages) which will make the system
execute faster
Experience and Qualifications
● Having 2 - 5 years of experience
● Degree from a premier institute like IIT/NIT/BITS is desirable
● A strong expertise in Python framework (like Django, Flask or Pyramid)
● Experience in creating APIs with design standards, patterns and best-practices
● Knowledge of object-relational mapping (ORM)
● GoLang experience is a big plus
● Experience building web services in REST
● knowledge and hands-on experience in API security standards and implementation
(Oauth, OpenId)
● Experience in developing highly scalable and reliable web applications, including
integration with internal and external systems.
● Experience in databases like MySQL and NoSQL db like Cassandra, etc.
● Experience with Cloud computing AWS & Microservices architecture
● Exposure to front end technologies like VueJS, ReactJS etc is an advantage
● Docker & Kubernetes experience is a big plus
● Previous experience of Fintech company is an added advantage
What’s on offer
● Vibrant, fun and rewarding culture that nurtures and promotes excellence
● Opportunities to learn and interact with payment industry leaders
● Competitive remuneration, group health insurance & PF
● Other office perks of being part of an early-stage startup
Location: HSR Layout, Bangalore
● Designing, code reviews, POCs on latest cutting-edge technologies building,
deploying highly scalable and robust cloud based intelligent solutions.
● Architect & Design, code high performance and scalable solutions that meet the needs of millions of customers.
● Implement cutting-edge models and algorithms that operate on massive amounts of data.
● Working on the REST framework
● Working on session-based and token-based authentication, Working on Celery
● Handling the payment gateway
● Work with Multi-threading, Data Structures, Algorithm, Design Patterns and develop robust high-performance and scalable applications.
● Writing scalable code using Python programming language.
● Developing back-end components.
We are hiring!!
JOB TITLE: Back-end Developer
EXPERIENCE: 3 - 7 years
LOCATION: Mumbai (Borivali East)
TIMINGS: Indian Shift Timings
TYPE OF WORKING: Work from office
NOTICE PERIOD: 1 month
Responsibilities
- Participate in the entire application lifecycle, focusing on coding and debugging
- Must have a clear understanding of Database
- Write clean code to develop functional web applications
- Troubleshoot and debug applications
- Perform UI tests to optimize performance
- Manage cutting-edge technologies to improve legacy applications
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Gather and address technical and design requirements
- Provide training and support to internal teams
- Build reusable code and libraries for future use
- Liaise with developers, designers and system administrators to identify new features
- Follow emerging technologies
Requirements
- Proven work experience as a Back-end developer
- Experience in Node.js language
- Familiar with building REST API
- In-depth understanding of the entire web development process (design, development and deployment)
- Hands on experience with programming languages like Java, Ruby, PHP and Python
- Working knowledge of CMS framework
- Familiarity with front-end languages (e.g. HTML, JavaScript and CSS)
- Excellent analytical and time management skills
- Teamwork skills with a problem-solving attitude
solutions. Responsibilities include gathering user requirements, defining system functionality
and writing code in various languages, like JavaScript, Python, Scala, Java. Our ideal
candidates are familiar with the software development lifecycle (SDLC) from preliminary
system analysis to tests and deployment. Ultimately, the role of the Software Engineer is to
build high-quality, innovative and fully performing software that complies with coding
standards and technical design.
Responsibilities
• Execute full software development life cycle
• Develop flowcharts, layouts, and documentation to identify requirements and solutions
• Write well-designed, testable code
• Produce specifications and determine operational feasibility
• Integrate software components into a fully functional software system
• Develop software verification plans and quality assurance procedures
• Document and maintain software functionality
• Troubleshoot, debug and upgrade existing systems
• Deploy programs and evaluate user feedback
• Comply with project plans and industry standards
• Ensure software is updated with latest features
Qualifications
• Proven work experience as a Software Engineer or Senior Software Engineer
• Prior work experience of 1-6 years is welcome
• Experience designing interactive applications
• Understanding of algorithms and data structures
• Ability to develop software in Node.js(JavaScript), React.js, Python, Scala, Java or other
programming languages
• Excellent knowledge of databases, SQL and non-SQL technologies is a plus
• Experience in developing web applications using at least one popular web-framework
is a plus
• Experience with test-driven development
• Proficiency in software engineering tools
• Ability to document requirements and specifications
• Experience with Data Science is a plus
• University/college degree in Computer Science, Engineering or relevant field
Mentoring should come naturally to you, as well as finding the right balance towards process and documentation.
Highlights:
1) You will be working on interesting technical challenges in a product centric and open-source driven environment. The role requires a good knowledge of Algorithmic Design and Architecture, Data structures, OOPS Concepts, server less architectures and complex problem solving skills.
2) You will help set a very high bar on code quality.
3) You will take ownership of product features from conception to implementation, testing deployment and support.
4) A lot of freedom on when and where you work from - just get stuff done.
5) You will open source as much as possible, and blog about cool things that you learnt and built.
6) You will help define who we become as a company.
7) You will get stock options in line with silicon valley standards.
Caveats:
1) We have a strict no-divas rule. There are a lot of smart engineers on the team but no one with an attitude / superiority complex.
2) If you think writing tests for your code, writing docs, doing customer support etc are not your cup of tea, this isn't the right role for you.
3) Similarly if you're viewing this just as a 20-40% increment opportunity over your current compensation, this isn't the right role or company for you.
This role can be the growth opportunity of a lifetime for anyone who has been operating as a backend lead and wants to grow into a full stack
Check out the links below if you'd like to learn more about us. We encourage people from underrepresented groups to apply.
1) Why ShoppinPal? - https://www.youtube.com/watch?v=cE7DgtwA0ws
2) Our hiring philosophy and process http://techstory.in/building-startup-team/
- Core .NET, C#
- HTML5, CSS3
- JavaScript
- ASP.NET (Web Forms, MVC, Web API)
- Bootstrap 3 or 4
- jQuery
- Angular 5+ working knowledge
- SQL (basic) – Desirable
- Development of applications using C#, MVC
- Development of Web Services using REST and WCF.
- Unit Testing of code using Microsoft and any other competent open-source testing
framework.
- Develop middle tier using Object Relational Model (ORM).
- Developing applications using Rapid Application Development (RAD) tools
- Design Database in SQL Server 2016 or higher.
- Ability to work under pressure and deadline.
- Candidates should be good in communication.
Python
SQL
HTML
Linux
AJAX/ JSSkills
Excellent Communication Skills
Have to be a quick learner
Complete project on time










