Java Developer

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).

• Proficient knowledge of Django and Django REST framework 
• Experience and good understanding of Redis
• Good knowledge and understanding of PostgreSQL or other relational databases 
• Proficient in NoSQL document databases especially MongoDB. 
• Understanding of threading and multiprocessing in Python, and multi-process architecture 
• Good-enough understanding of version control systems like Git or Mercurial 
• Strong unit-test and debugging skills 
• Knowledge of container technologies (specially Docker) and orchestration systems is a plus 
• Strong understanding of various Python Libraries, APIs, and toolkits
• Excellent understanding of MVC and OOP
• Rapid prototyping skills for getting product feedback 
• Experience with Agile and SCRUM methodology

Experience in developing applications using .Net Core Ver. 6/7, ASP.Net MVC (C#), .Net Core Web API & Web App, Web Services, OOPS, SOLID principles.

Experience in software development and system architecture with Microsoft technologies.

Able to integrate the database objects with the Microservices.

Expert working knowledge of Multi-threading.

Solid experience in converting .NET Framework multi-threaded services into .NET Core.

Worked as part of a cross-functional team on code reviews, internal infrastructure, and process enhancement.

Understanding of CI/CD pipeline is mandatory.

Strong hands-on experience with C# and solid principles.

Expertise in entity framework core with code first approach.

Expertise in writing RESTful services.

Knowledge of RDBMS concepts.

Java Developer – Job Description  

Wissen Technology is now hiring a 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 consultancy.  

Required Skills:  

• Exp. - 2 to 7 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 Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.  

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.  

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.  

Wissen Technology offers 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.  

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Must have :

• Strong Experience in Python development
• Familiarity with Data Structures and Algorithms
• Experience in developing Enterprise scale applications
• Exposure to NLP
• Exposure / awareness of AI, ML
• Exposure to Windows Azure is an added advantage
• God understanding of project architecture and software development processes such as Agile and Scrum

Responsibilities :

• Partner with Business Stakeholders to translate business objectives into clearly defined analytical Projects
• Own the end-end process, from recognizing the problem to implementing the solution
• Understand customer’s requirements and design the optimum solution using Icertis’ AI applications
• Configure, Extend, and optimize Icertis AI app through Python scripts, NLP NER Analysis and other mechanisms
• Take full ownership of project / product features to implement, provide bug fixes and write tests and tooling for those features to ensure they work well at cloud scale.
• Plan and identify solutions and risks in assigned work
• You are expected to be hands on and write code on day to day basis and also mentor other team members

We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications.

You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java application development while providing expertise in the full software development lifecycle, from concept and design to testing.

Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.

Experience : 2+ years

Location : Mumbai (WFO only) Initial few months work from home

Notice Period : 0 to 30 days ( Immediate joiners are preferred)

Roles & Responsibilities :

(This role encompassing both API engineering using Java stack and web development

Experience in designing, developing, testing and successfully deploying critical and complex projects.)

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

· Build reusable code and libraries for future use

Required Skill set :

· Java background with a minimum of 3+ years experience in Java technologies.

· Experience in designing and developing application backend using frameworks like Spring Boot, Spring MVC, Jersey, JPA, Hibernate, SQL, Linux, JSON, XML, OAuth etc.

· Well & good if has Experience with frontend technologies

· Experience with both SQL and NoSQL database systems and writing SQL queries

· Strong experience building, designing, and consuming Restful web services.

· Exposure of Cloud Infrastructure - AWS and Alibaba Cloud

· Excellent understanding of ORM and Database concepts

· Experience with developing unit test code using JUNIT, Power Mock/EasyMock/Mockito etc.

· Experience with Git, Maven and CI/CD pipelines to deploy on Cloud applications

· Experience & knowledge on Micro services Architecture and API development using Java, spring, Spring Boot

· Experienced in roles conducting requirements gathering, writing user stories, creating application design and using design patterns

· Good knowledge on credentials/secrets management and data encryption techniques

· Good knowledge on coding standards, design patterns, unit testing.

· Good hands-on BitBucket/Github is preferred.

 Core Java developer responsible for building Java applications. This includes anything between complex groups of back-end services and their client-end (desktop and mobile) counterparts. Your primary responsibility will be to design and develop these applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality are essential.

Responsibilities:
•Translate application storyboards and use cases into functional applications.

• 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.

Skills Needed:

• Java, JPA, Servlets, JAX/RS, JUnit
• Fullstack : Node/Angular/React
• Algorithm,Design Patterns, Data Structures
• TomCat, Wildfly
• MySQL, PostgreSQL
• HTML, JavaScript, jQuery,
• Mobile exposure: Cordova/PhoneGap
• Exposure in E-Commerce or Product based domain
• NoSQL exposure

Responsibilities

· Excellent knowledge of Core Java and Spring

· Candidate should have a working knowledge of web services

· Should have worked in the distributed agile model and continuous integration

· Should have knowledge of designing and implementation of REST Web services

· Strong experience with REST API and web services

· Should be efficient with Java J2EE and related technologies.

Essential Requirements

· Strong Core Java and spring.

· Strong RESTFUL web service experience

· Strong SQL (preferably Oracle), JQuery, HTML/CSS, Oracle Restful, SOAP web services

· B. Tech/M. Tech from Tier-1 colleges like IIT, NIT, VIT, BIT

Primary Skill: Java, spring & RESTFUL Web services,