Python Developer | Mumbai

JOB DESCRIPTION

Experience: 10+ years

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. - 10+ 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.

Role : Python Django Developer (Immediate Joiner)

Location : Gurugram, India (Onsite)

Experience : 4+ Years

Working Days : 6 Days WFO (Monday to Saturday)

Job Summary :

We are looking for an experienced Python Developer with strong expertise in Django to join our team. The ideal candidate will have 4+ years of hands-on experience in building robust, scalable, and efficient web applications.

Proficiency in RabbitMQ, Redis, Celery, and PostgreSQL is essential for managing background tasks, caching, and database performance.

Mandatory Skills : Python, Django, RabbitMQ, Redis, Celery, PostgreSQL, RESTful APIs, Docker.

Key Responsibilities :

• Develop, maintain, and enhance Django-based web applications and RESTful APIs.
• Design and implement message broker systems using RabbitMQ for asynchronous communication.
• Integrate Redis for caching and session management to improve application performance.
• Utilize Celery for managing distributed task queues and background processing.
• Work with PostgreSQL for schema design, optimization, and query tuning.
• Collaborate with cross-functional teams including front-end developers and DevOps engineers.
• Write clean, maintainable, and well-documented code aligned with industry best practices.
• Debug and troubleshoot issues across the application stack.
• Participate in system architecture discussions, code reviews, and agile ceremonies.
• Ensure performance, scalability, and security of applications.

Technical Skills Required :

• Minimum 4+ years of hands-on experience with Python and Django.
• Proficiency with RabbitMQ for message brokering.
• Experience with Redis for caching and session storage.
• Practical knowledge of Celery for asynchronous task processing.
• Strong command over PostgreSQL including complex queries and optimization techniques.
• Experience developing and consuming RESTful APIs.
• Familiarity with Docker and containerization concepts.

Preferred Skills :

• Exposure to CI/CD tools and processes.
• Experience with cloud platforms such as AWS or GCP.
• Understanding of Django ORM performance tuning.
• Basic knowledge of front-end technologies (HTML, CSS, JavaScript).

Backend – Software Development Engineer II

Experience: 4–7 years

Location: Bangalore

Work Mode - Hybrid

About Wekan Enterprise Solutions

Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.

Job Description

We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?

You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects

What you will do

• Own backend features and migration workstreams end to end, from understanding the existing codebase and data model to delivering production-ready implementations.
• Build and enhance Java/Spring Boot services used in modernization, migration, and cloud transformation projects.
• Design and implement backend flows that are safe under retries and partial failures, with clear thinking around validation, transaction boundaries, idempotency, and downstream side effects.
• Work across application, database, and deployment layers to improve reliability, maintainability, and operational visibility.
• Model data based on access patterns and business workflows, with sound choices around schema design, indexing, and query performance.
• Investigate production issues using logs, request traces, database state, and service behavior; identify root causes and implement durable fixes.
• Collaborate with internal teams, customer engineering teams, architects, and stakeholders to deliver high-quality solutions on mission-critical projects.
• Write clean, modular, testable code and participate actively in sprint ceremonies, code reviews, design discussions, and release activities.

What we’re looking for

• 4–7 years of backend engineering experience, with strong hands-on delivery in Java-based systems.
• Solid experience with Java, Spring Boot, and microservice-style backend development.
• Demonstrated ownership of at least one meaningful backend service or feature area in production.
• Strong understanding of backend engineering fundamentals, including service reliability, data consistency, failure handling, and production-grade design considerations.
• Strong database fundamentals, including schema design, query writing, indexing, and performance reasoning.
• Strong depth in MongoDB or a relational database such as Oracle, with working comfort across both styles being a plus.
• Ability to investigate and resolve real production issues across services and databases, including consistency, performance, and reliability problems.
• Hands-on experience with testing frameworks such as JUnit and Mockito.
• Proficiency with Git, including branching, code review workflows, and conflict resolution.
• Strong communication skills and the ability to collaborate effectively with engineers, stakeholders, and customers.

Preferred qualifications

• Experience working on legacy modernization, data/service migrations, or decomposition of existing systems into cleaner service boundaries.
• Exposure to both MongoDB and relational databases, including query tuning, indexing, and production troubleshooting.
• Familiarity with Oracle PL/SQL or migration of logic from database-heavy systems into service-layer Java code.
• Exposure to CI/CD deployment and cloud environments like AWS, Azure, or GCP.

Job Responsibilities:

* Design, build, and maintain efficient, reusable, and reliable Java code

* Ensure the best possible performance, quality, and responsiveness of the applications

* Identify bottlenecks and bugs, and devise solutions to these problems

* Help maintain code quality, organization, and automatization

* Prepare the technical design of complex technology components

Mandatory Skills:

* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java

* Solid understanding of object-oriented programming along with various design and architectural patterns

* Hands on experience with Spring, Spring Boot, JUnit

* Familiarity with concepts of MVC, Microservices, RESTful

• No day is the same - you will create technical designs that support varying client requirements
• You'll design and develop full-stack web applications using the latest web technologies, primarily Python and Django
• Write code/unit tests and be part of the test-driven development environment
• Leverage your skills in industry-standard tools to deliver weekly code releases
• You'll work in a no silos environment, frequently collaborating with global teams and roles across the organization

Who you are:

• 7+ years of experience developing great web applications
• You can build products from scratch
• You have expertise in the Django backend framework
• You are fluent in the Python language
• You have dabbled in any one of these front-end frameworks - Angular, React, Vue
• You understand when to use NoSQL vs. relational database
• you understand reporting/dashboards framework
• You are comfortable working up and down the stack
• You are able to convert ideas into designs and build them out
• Benefit if you have worked with payment gateways such as visa, Mastercard, etc.
  
  

• Strong experience in Java Development
• Deep expertise and hands-on experience with Web Applications
• Experience in programming languages such as HTML, CSS, JavaScript, JQuery, React JS, and API.
• Expertise in Java, Spring Boot is an added advantage.
• Hands-on design experience with Web Services (REST, SOAP, etc ..).
• Strong grasp of security principles.

Abilities:

• Developer with  strong ability to develop web application using Java and ReactJS
• Should be able to code, design, and implement
• Maintain code integrity and organization