


Job Description: Python Backend Developer
Experience: 7-12 years
Job Type: Full-time
Job Overview:
Wissen Technology is looking for a highly experienced Python Backend Developer with 7-12 years of experience to join our team. The ideal candidate will have deep expertise in backend development using Python, with a strong focus on Django and Flask frameworks.
Key Responsibilities:
- Develop and maintain robust backend services and APIs using Python, Django, and Flask.
- Design scalable and efficient database schemas, integrating with both relational and NoSQL databases.
- Collaborate with front-end developers and other team members to establish objectives and design functional, cohesive code.
- Optimize applications for maximum speed and scalability.
- Ensure security and data protection protocols are implemented effectively.
- Troubleshoot and debug applications to ensure a seamless user experience.
- Participate in code reviews, testing, and quality assurance processes.
Required Skills:
Python: Extensive experience in backend development using Python.
Django & Flask: Proficiency in Django and Flask frameworks.
Database Management: Strong knowledge of databases such as PostgreSQL, MySQL, and MongoDB.
API Development: Expertise in building and maintaining RESTful APIs.
Security: Understanding of security best practices and data protection measures.
Version Control: Experience with Git for collaboration and version control.
Problem-Solving: Strong analytical skills with a focus on writing clean, efficient code.
Communication: Excellent communication and teamwork skills.
Preferred Qualifications:
- Experience with cloud services like AWS, Azure, or GCP.
- Familiarity with Docker and containerization.
- Knowledge of CI/CD practices.
Why Join Wissen Technology?
- Opportunity to work on innovative projects with a cutting-edge technology stack.
- Competitive compensation and benefits package.
- A supportive environment that fosters professional growth and learning.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Job Title : Senior Python Backend Developer
Experience Required : 5+ Years
Location : Gurgaon
Joining : Immediate Joiner Preferred
Employment Type : Full-Time
Job Summary :
We are looking for a highly skilled Senior Python Backend Developer with a minimum of 5 years of experience in Python and its modern web frameworks.
The ideal candidate will be responsible for developing scalable backend services, designing robust APIs, and ensuring optimal performance and security of backend systems.
Mandatory Skills : Python, Django, Flask, Streamlit, Starlette, REST API development, scalable backend services.
Key Responsibilities :
- Design, build, and maintain RESTful APIs and backend systems using Python.
- Work with frameworks such as Django, Flask, Streamlit, Starlette.
- Develop scalable and high-performance backend services.
- Collaborate with frontend developers and product teams to deliver seamless integrations.
- Write clean, maintainable, and testable code.
- Troubleshoot and resolve performance and scalability issues.
- Ensure code quality through automated testing and code reviews.
Required Skills :
- Minimum 5 years of backend development experience in Python.
- Strong expertise in Django, Flask, Streamlit, and/or Starlette.
- Proven experience with API design and development.
- Strong understanding of system architecture, data modeling, and scalability best practices.
- Familiarity with CI/CD pipelines, Docker, and cloud environments is a plus.
Nice to Have :
- Experience with async programming (e.g., using FastAPI, Starlette).
- Familiarity with PostgreSQL, MongoDB, or other relational/noSQL databases.
- Exposure to microservices architecture.



Job Responsibilities
- Should have experience in Software Product Development at an enterprise level. .
- Analyze requirements and come up with possible solutions to solve the problem, evaluating and capturing necessary tradeoffs
- Build and improve newest services and ensure that they are well tested and released quickly and often to our customers
- Debugging capabilities and identify the root cause of the problem and fix them.
- Influencing the architecture of an application.
- Design and implement cloud based high-performance, highly available services to cover customers’ high demands and big data volumes
- Maintain rapid deployment pipelines and observability of the services to support operations/troubleshooting.
- Think about security of the whole technical stack and processes to ensure customers’ data is safe
- Take care of all aspects of the product: from implementation, through testing, to operations.
Job Requirements
- Proficiency in Python programming
- Mandate experience working as a Python Developer with Django.
- Should have good experience in Flask, numpy and pandas
- Should have good experience in REST API development with Django.
- Have In-depth understanding of Object Oriented Programming ( OOPs ) concepts.
- Are Able to create Database Schemes that represent and support business processes.
- Should have good understanding of Agile frameworks such as Git, Jenkins etc.
- Must have experience working on MySQL, HTML, CSS, JavaScript & jQuery.
- Must have experience with Web Servers e.g. Nginx, Apache.
- Good to have AI/ML/Data science certification.
- Must be a fast learner and comfortable teaching yourself new skills and can thrive in a complex and fast-paced environment.
- Positive attitude and excellent communication as well as written skills
• Experience in the financial domain preferred.
• Hands-on developer in Core Java with an excellent understanding of computer science fundamentals, data structures, algorithms and design patterns.
• Experience with frameworks like Spring, Restful Webservices, Queuing systems, Angular, and Python is highly desired.
• Deep understanding of several cloud providers such as AWS, Azure, Google etc.
• Hands-on experience developing CI/CD pipelines for continuous development and integration.
• Deep knowledge and experience of Java/J2EE and servers like Tomcat.

- Python developer with Django experience
- 6-8 yrs of total experience
- Strong communication is a MUST

What You'll Do
You will be part of our data platform & data engineering team. As part of this agile team, you will work in our cloud native environment and perform following activities to support core product development and client specific projects:
- You will develop the core engineering frameworks for an advanced self-service data analytics product.
- You will work with multiple types of data storage technologies such as relational, blobs, key-value stores, document databases and streaming data sources.
- You will work with latest technologies for data federation with MPP (Massive Parallel Processing) capabilities
- Your work will entail backend architecture to enable data modeling, data queries and API development for both back-end and front-end data interfaces.
- You will support client specific data processing needs using SQL and Python/Pyspark
- You will integrate our product with other data products through Django APIs
- You will partner with other team members in understanding the functional / non-functional business requirements, and translate them into software development tasks
- You will follow the software development best practices in ensuring that the code architecture and quality of code written by you is of high standard, as expected from an enterprise software
- You will be a proactive contributor to team and project discussions
Who you are
- Strong education track record - Bachelors or an advanced degree in Computer Science or a related engineering discipline from Indian Institute of Technology or equivalent premium institute.
- 2-3 years of experience in data queries, data processing and data modeling
- Excellent ANSI SQL skills to handle complex queries
- Excellent Python and Django programming skills.
- Strong knowledge and experience in modern and distributed data stack components such as the Spark, Hive, Airflow, Kubernetes, Docker etc.
- Experience with cloud environments (AWS, Azure) and native cloud technologies for data storage and data processing
- Experience with relational SQL and NoSQL databases, including Postgres, Blobs, MongoDB etc.
- Familiarity with ML models is highly preferred
- Experience with Big Data processing and performance optimization
- Should know how to write modular, optimized and documented code.
- Should have good knowledge around error handling.
- Experience in version control systems such as GIT
- Strong problem solving and communication skills.
- Self-starter, continuous learner.
Good to have some exposure to
- Start-up experience is highly preferred
- Exposure to any Business Intelligence (BI) tools like Tableau, Dundas, Power BI etc.
- Agile software development methodologies.
- Working in multi-functional, multi-location teams
What You'll Love About Us – Do ask us about these!
- Be an integral part of the founding team. You will work directly with the founder
- Work Life Balance. You can't do a good job if your job is all you do!
- Prepare for the Future. Academy – we are all learners; we are all teachers!
- Diversity & Inclusion. HeForShe!
- Internal Mobility. Grow with us!
- Business knowledge of multiple sectors

We are looking for a Senior Python Developer to build functional and efficient server-side applications.
Senior Python Developer responsibilities include participating in all phases of the software development lifecycle. If you’re a seasoned developer with a love for back-end technologies, we’d like to meet you.
Your ultimate goal is to create high-quality products that meet customer needs.
Responsibilities
- Writing clean, high-quality, high-performance, maintainable code
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Coordinate cross-functionally to insure the project meets business objectives and compliance standards
- Support test and deployment of new products and features
- Participate in code reviews
- Manage testing and bug fixes
- Prepare technical documentation
- Collaborate with UX/UI designers to implement design into the code
- Implement software enhancements and suggest improvements
Qualifications
- Bachelor's degree in Computer Science (or related field)
- 3+ years of work experience as a Python Developer
- Experience with Python frameworks (e.g. Django, Flask, Bottle)
- Expertise in Object-Oriented Design, Database Design, and XML Schema
- Experience with Agile or Scrum software development methodologies
- Ability to multi-task, organize, and prioritize work
- Familiarity with Amazon Web Services (AWS) and REST API
- Understanding of databases and SQL
- Knowledge of machine learning is a plus
- Attention to detail
- Leadership skills


Senior Python Backend Developer
Notice Period: 45 days / Immediate Joining
Banyan Data Services (BDS) is a US-based Infrastructure Services Company, headquartered in San Jose, California, USA. It provides full-stack managed services to support business applications and data infrastructure. We are looking for a Senior Python Developer to join our development team based out of Bangalore. This teamwork on building the next-generation SAS application on the Hybrid Cloud platform.
It's a once-in-a-lifetime opportunity to join our rocket ship startup run by a world-class executive team. We are looking for candidates that aspire to be a part of the cutting-edge solutions and services we offer that address next-gen data evolution challenges.
Key Qualificatisons
· Ability to write high-quality code efficiently.
· Design and develop new services/micro-services.
· Participate in planning and management of development process.
· Share architectural design vision with both technical and non-technical team members, including fellow engineers.
· Works on improvements in development toolset including testing frameworks, deployment scripts, and monitoring libraries.
· Experience solving complex problems and implementing solutions for performance and scalability.
· Write clean, well-structured, and maintainable code with automated test coverage and corresponding documentation.
· Explore new latest relevant technology, techniques, frameworks, tools, methodologies, and processes.
· Comfortable working with all aspects of software development; including dev-ops, quality assurance, research, and design.
Requirements
· Minimum 3 years of experience as a Python Developer in application development.
· Experience in Developing applications/software using Python, developing web services using Django/Flask, working with REST API, and working with any databases technology.
· Strong in Reg expression and string handling.
· Strong in python programming and should be able to develop both API, UI, and backend validations.
· Integration of user-facing elements developed by front-end developers with server-side logic and Implementation of security and data protection.
· Experience in Developing applications, software using Python, developing web services using Django, Flask, working with REST API, and working with any databases technology.
· Worked on open-source tools for logging, monitoring, search engine, caching, etc.
· Exposure to any of relation database technologies MySQL/Postgres/Oracle or any No-SQL database.
· Experience working on DevOps tools for continuous integration.
· Performed App servers, application deployments, web server deployments.
· Design and implementation of low-latency, high-availability, and performant applications.
· Working knowledge of AWS, enough to be able to set up the environment for application development.
· Good good analytical and execution skills.
· Worked on open-source software for development, logging, monitoring, search engine, caching, etc.
http://www.banyandata.com" target="_blank">www.banyandata.com

Senior Software Engineer (Python)
Job description
Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.
In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.
What You’ll Do:
- Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
- Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
- Build reusable components and packages for future use.
- Translate specs and user stories into reviewable, test covered patches.
- Peer review code and refactor existing code.
- Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
- Manage Kubernetes and Docker based global deployment of our infrastructure.
Requirements
We’re Looking for Someone With:
- Experience working with ORMs like SQLAlchemy or Django
- Experience with SQL and databases (Postgres preferred)
- Experience in developing large server side applications and microservices
- Ability to create high quality code
- Experience with python testing tools (pytest) and test automation
- Familiarity with code versioning tools like GIT
- Strong sense of ownership and leadership quality
- Experienced in the tools of our web stack
- Python
- Celery
- Postgres
- Redis
- RabbitMQ
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Experience with ReactJS, Google Cloud, Heroku
- Cloud deployment and scaling experience
About Us:
Fulfil.io helps high growth, high volume merchants simplify operations and scale for growth. With the rise in omni-channel commerce, Fulfil was founded with the simple idea that merchant operations need to be simplified in order to deliver amazing retail experiences. Fulfil enables businesses to turn their back office operations into an accelerator for growth by integrating order management, inventory management, warehouse management, vendor/supplier management, wholesale, manufacturing, financials and customer service, into one seamless solution. We believe merchants should love their operations platform, and we work hard to make that happen every single day. Fulfil.io is a trusted solution for brands like EndySleep, Mejuri, Lie-Nielson Toolworks, and many more.
Fulfil.io is a venture backed technology company with offices in San Francisco, Toronto, and Bangalore. The team is made up of people who want to feel challenged at work, be the best at their craft and learn from one another. We come from different backgrounds and experiences, all passionate about the work we do, the team we do it with, and the customers we do it for. Join us in our journey to simplify operations and empower merchants around the world!



