
The Role:
We are looking for an enthusiastic Senior Python Developer, who adopts a hands-on approach and loves to build scalable, distributed and large web / mobile products. You would be responsible for designing the architecture, reviewing the code, building the technology and deploying web/mobile applications.
Responsibilities:
- Own the product development from scratch.
- Design and implementation of low-latency, high-availability, and performant applications.
- Contribute to discussion on software architecture while mentoring a team of developers.
- Participate in code reviews, design reviews, SCRUM ceremonies, and troubleshoot to ensure uptime for live systems etc.
Requirements:
- Bachelor's degree in a technology-related field from a premier college.
- Prior 3+ years of experience in back-end development (Python/ Golang) in a start-up or a dynamic work environment.
- Good exposure in writing and optimizing SQL for high-performance systems.
- Understanding of asyncio and eventloop/ uvloop concepts. Knowledge of frameworks such as Quart/ Fastapi/ Starlette is preferred.
- Knowledge of AWS; Caching technologies like Redis, Memcache; ELK; mySQL Databases, etc.
- Strong understanding of System Design, Microservice Architecture, Kafka, Pub/Sub, Message queues, and in-memory data stores etc.
- Customer oriented, responsive to changes, and able to multi-task in a fast-paced environment.

Similar jobs
CTC: up to 20 LPA
Exp: 4 to 7 Years
Required Qualifications
- Bachelor's degree in Computer Science, Information Technology, or related field
- 4+ years of experience in software development
- Strong proficiency in Java with deep understanding of web technology stack
- Hands-on experience developing applications with Spring Boot framework
- Solid understanding of Python programming language with practical Flask framework experience
- Working knowledge of NATS server for messaging and streaming data
- Experience deploying and managing applications in Kubernetes
- Understanding of microservices architecture and RESTful API design
- Familiarity with containerization technologies (Docker)
- Experience with version control systems (Git)
Skills & Competencies
- Skills Java (Spring Boot, Spring Cloud, Spring Security)
- Python (Flask, SQL Alchemy, REST APIs)
- NATS messaging patterns (pub/sub, request/reply, queue groups)
- Kubernetes (deployments, services, ingress, ConfigMaps, Secrets)
- Web technologies (HTTP, REST, WebSocket, gRPC)
- Container orchestration and management
- Soft Skills Problem-solving and analytical thinking
Work Location: Bangalore
Job Type: Full-time
Experience Level: 5-10 years
Job Description:
We are looking for a talented Java Developer with a strong background in multithreading, microservices , Spring Boot, data structures and algorithms, and SQL, specifically within the banking sector. The ideal candidate will be responsible for designing and implementing high-performance applications that cater to our financial services.
Key Responsibilities:
- Develop and maintain robust, scalable Java applications using Spring Boot.
- Implement multithreading concepts to enhance application performance and responsiveness.
- Design and optimize data structures and algorithms for efficient data processing.
- Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.
- Write complex SQL queries and optimize database interactions to ensure high performance.
- Conduct code reviews and contribute to team best practices and standards.
- Troubleshoot and resolve issues in a timely manner, ensuring minimal impact on business operations.
- Stay updated with the latest trends in Java development and banking technology.
Required Qualifications:
- Bachelor’s degree in computer science, Information Technology, or a related field.
- Proven experience as a Java Developer, added advantage in the banking or financial services domain.
- Strong proficiency in Java, with a deep understanding of multithreading concepts.
- Hands-on experience with the Spring Boot framework and Microservices
- Solid understanding of data structures and algorithms and their application in solving complex problems.
- Proficient in SQL and experience with relational database management systems (e.g., Oracle, MySQL).
- Strong analytical and problem-solving skills, with the ability to work under pressure.
- Excellent communication skills and the ability to work
If interested, Kindly drop cv in linkedIn: linkedin.com/in/ranjini-c-n-36b674131

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
Job Responsibilities: -
- Work on building enterprise grade applications with a strong knowledge of the .net core framework. Experience with Node JS.
- Create Libraries that would be shared across the different modules in the system that can be leveraged by multiple teams within the organization.
- Good understanding of data structures to identify the correct data structure for a specific use case.
- Build RESTful API for customer consumption. Prior knowledge building APIs is a requirement. Understanding of HTTP error codes is a must.
- Work on code in a distributed code development environment. Prior use of Git/Github is desirable.
- Work with a Unit Test platform.
- Strong knowledge on Encryption standards – Asymmetric and Symmetric.
- Create and Manage System Documentations.
Job Qualifications
- At least 4+ years of experience using C# programming language in the build of enterprise software (.net core, asp.net core, web api) – For .Net Developer
- At least 7+ years of experience using C# programming language in the build of enterprise software (.net core, asp.net core, web api). – For Lead.
- Experience handling ISO8583 message standard; Payments Industry knowledge.
- Good understanding of version control (using Git/Github).
- Experience with Unit Test framework; TDD Approach.
- Knowledge and understanding of PCI Requirements for Card processing software .
- Understanding of SQL Database and Database Design.
- Strong understating of hybrid cloud application basics based on Docker, Kubernetes, Microservices and Postgres.
- Minimal 2+ years of experience in building enterprise scale applications: coding, designing, developing, and analyzing data.
- Agile environment. AWS, Docker, Kubernetes, DevOps environment Lead levels only.
- Manage CI/CD Pipeline.
- E/B.Tech/B.Sc/MCA/Msc in Computer Science.
Company Overview
http://www.corecard.com">www.corecard.com & http://www.corecardindia.com">www.corecardindia.com
Core Card Software is a product company, to provide financial service organizations with the best card management applications to help them compete both locally and globally. Core Card Software, a leading provider of card management systems. The Core Card software solution provides the market's most feature-rich platform for processing and managing accounts receivables and a full range of card products including prepaid/stored-value, fleet, credit, debit, commercial, government, healthcare and private-label cards. Core Card have offices based in Atlanta, Bhopal & Navi Mumbai.
Requirements
- High self motivation to lead & build projects from beginning to end;
- You've shipped multiple products and are willing/able to demonstrate how you solved specific problems to solve users needs;
- Excellent communication in presenting your code and communicating what problems they are solving while giving/receiving feedback;
- Ability to quickly grasp goals and requirements from light specifications;
- Must be able to effectively & efficiently work with stakeholders spreads across many timezones;
- 5+ years of Android experience working in a modern commercial web development environment and shipping solid product;
- Experience in Springboot, Microservices, JPA, oracle database.
- Must have experience in authentication mechanism like LDAP, SSO, any authentication server, role management
Perks
- Ground floor opportunity with the team; shape the strategic direction of the company.
- Work with sharp, motivated and passionate co-workers spread across many regions.
- Rare opportunity to make real positive impact on the world!
Job Location : Mumbai / Bangalore
Expereince : 3 to 8 Years
JD :
Hands on experience in Python in 2.x and 3.x versions
- Developed and deployed services in AWS serverless Architecture
- Developed REST API’s using serverless framework, AWS Lambda, API Gateway
- Developed queue and notification services using AWS components - SQS, SNS
- Implemented authorization and authentication using AWS Cognito pool
- Developed Facial recognition systems using AWS Rekognition
- Hands on experience in Flask, Tornado, Quartz framework
- Hands on experience in designing and working on MicroService & Monolithic architecture
- Basic understanding of front-end technologies HTML, CSS, JavaScript, jQuery
Mongo dB experience is must
- Should be a Backend Developer - Python only
- Should be MCA/B.Tech IT
- Should have Database Knowledge
- Should have DJango Knowledge
- Writing effective, scalable code
- Good Communication
● Writing reusable, testable, and efficient code
● Design and implementation of low-latency, high-availability, and performance efficient
applications.
● Integration of user-facing elements developed by front-end developers with server-side
logic.
● Implementation of security and data protection
● Integration of data storage solutions
**Backend Developer Requirements:**
● Expert in Python, with knowledge of Django Web Framework.
● Familiarity with some ORM (Object Relational Mapper) libraries.
● Working knowledge of MySQL.
● Fair understanding of building RESTful APIs.
● Bonus points for Celery, RabbitMQ.
● Worked with Django application deployment on AWS.
● Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3.
● Understanding of accessibility and security compliance.
● Knowledge of user authentication and authorization between multiple systems, servers,
and environments.
● Familiarity with event-driven programming in Python.
● Able to create database schemas that represent and support business processes.
● Strong unit test and debugging skills.
● Proficient understanding of Git.
Skill: AWS, Java, Microservices
Experience: 3-7 Yrs
Location: Noida
Notice Period: Immediate/ 15 days







