Backend Cloud Engineer

JOB DESCRIPTION

Experience: 5-8 years

Location: Mumbai

Wissen Technology is now hiring for a Senior Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 5-8 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

Job Title: Python Developer - Django (Full Time)

Location: Gurgaon, Onsite

Interview: Virtual Interview

Experience Required: 3+ Years

About the Role

We are looking for a skilled Python Developer with hands-on experience in building scalable backend systems. The ideal candidate should have strong expertise in Python, Django, distributed task queues using Celery, Redis, RabbitMQ, and experience working with event streaming platforms like Kafka.

Key Responsibilities

• Design, develop, and maintain backend services using Python and Django.
• Implement and optimize task queues using Celery with Redis/RabbitMQ as brokers.
• Develop and integrate event-driven systems using Apache Kafka.
• Write clean, reusable, and efficient code following best practices.
• Build RESTful APIs and integrate with external services.
• Ensure performance, scalability, and security of applications.
• Collaborate with frontend developers, DevOps, and product teams to deliver high-quality solutions.
• Troubleshoot and debug issues in production and staging environments.

Required Skills & Experience

• 2+ years of professional experience in Python backend development.
• Strong knowledge of Django Framework.
• Hands-on experience with Celery, Redis, RabbitMQ, and Kafka.
• Good understanding of REST API design principles.
• Experience with relational databases (PostgreSQL/MySQL).
• Familiarity with version control (Git) and Agile development.
• Strong problem-solving skills and ability to work in a fast-paced environment.

Experience in Java

Experience in spring Boot

Experience in microservices

experience in Project management

Experience in leading team

Experience in customer facing

Experience in Product Management

What are the Key Responsibilities:

• Responsibilities include writing and testing code, debugging programs, and integrating applications with third-party web services. 
• Write effective, scalable code
• Develop back-end components to improve responsiveness and overall performance
• Integrate user-facing elements into applications
• Improve functionality of existing systems
• Implement security and data protection solutions
• Assess and prioritize feature requests
• Creates customized applications for smaller tasks to enhance website capability based on business needs
• Ensures web pages are functional across different browser types; conducts tests to verify user functionality
• Verifies compliance with accessibility standards
• Assists in resolving moderately complex production support problems

What are we looking for:

• 3+ Years of work experience as a Python Developer
• Expertise in at least one popular Python framework: Django
• Knowledge of NoSQL databases (Elastic search, MongoDB)
• Familiarity with front-end technologies like JavaScript, HTML5, and CSS3
• Familiarity with Apache Kafka will give you an edge over others
• Good understanding of the operating system and networking concepts
• Good analytical and troubleshooting skills
• Graduation/Post Graduation in Computer Science / IT / Software Engineering
• Decent verbal and written communication skills to communicate with customers, support personnel, and management

Requirements

• 3+ years of experience in the Development of JAVA technology.
• Strong Java Basics
• Linux
• SpringBoot or Spring MVC
• Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Java 8
• Any Caching Mechanism
• Good at problem-solving

Good to Have Skills:

• 3+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem-solving skills.
• Ability to work in a fast-paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding AI/ML algorithms is a plus.

Job description

• Engage with the business team and stakeholder at different levels to understand business needs, analyze, document, prioritize the requirements, and make recommendations on the solution and implementation.
• Delivering the product that meets business requirements, reliability, scalability, and performance goals
• Work with Agile scrum team and create the scrum team strategy roadmap/backlog, develop minimal viable product and Agile user stories that drive a highly effective and efficient project development and delivery scrum team.
• Work on Data mapping/transformation, solution design, process diagram, acceptance criteria, user acceptance testing and other project artifacts.
• Work effectively with the technical/development team and help them understand the specifications/requirements for technical development, testing and implementation.
• Ensure solutions promote simplicity, efficiency, and conform to enterprise and architecture standards and guidelines.
• Partner with the support organization to provide training, support and technical assistance to operation team and end users as necessary
• Product/Application Developer
• Designs and develops software applications based on user requirements in a variety of coding environments such as graphical user interface, database query languages, report writers, and specific development languages
• Consult on the use and implementation of software products and applications and specialize in the business development environment, including the selection of development tools and methodology

Primary / Mandatory skills:

• Overall Experience: Overall 4 to 6 years of IT development experience
• Design and Code NodeJS based Microservices, API Webservices, NoSql technologies (Cassandra/MongoDb)
• Expert in developing code for Node-JS based Microservice in TypeScript
• Good Experience in understanding the data Transmission through pug/sub mechanism like Event Hub and Kafka
• Good Understanding of Analytics and clickstream data capture is HUGE Plus
• Good understanding of frameworks like Java Spring Boot, Python is preferred
• Good understanding of Microsoft Azure principles and services is preferred
• Able to write Unit test cases
• Familiarity with performance testing tools such as Akamai SOASTA is preferred
• Good knowledge on Source Code control like GIT, code clout, etc and understanding of CI/CD(Jenkins and Kubernetes)
• Solid technical background with understanding and/or experience in software development and web technologies
• Strong analytical skills and the ability to convert consumer insights and performance data into high impact initiatives
• Experience working within scaled agile development team
• Excellent written and verbal communication skills with demonstrated ability to present complex technical information in a clear manner to peers, developers, and senior leaders
• The desire to be continually learning about emerging technologies/industry trends

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