Java Developer (Microservices)

Job Overview:

We are looking for a skilled and motivated Jr. Programmer Analyst with 2 years of hands-on experience in Python development and a strong understanding of software development principles. The ideal candidate should have experience with Odoo ORM, PostgreSQL, and API integration. If you have a passion for writing clean, optimized code and are excited about working in a product-based environment, we would love to meet you.

Key Responsibilities:

Develop, test, and maintain applications using Python (Pandas, NumPy, psycopg2).

Implement multi-threading and multi-processing where required.

Work on Odoo ORM, customizing and optimizing the application architecture.

Integrate third-party APIs and ensure smooth data flow between systems.

Optimize code for performance and scalability.

Collaborate with cross-functional teams using Agile methodologies.

Write efficient SQL queries and manage PostgreSQL databases.

Utilize Git for version control and contribute to CI/CD processes.

Work in a Linux environment for software development and deployment.

Support the team in product development from concept to deployment.

Technical Requirements (Must Have):

Strong proficiency in Python 3, especially:

Pandas, NumPy, Multi-threading, Multi-processing, psycopg2, API Integration

Code optimization techniques.

Experience with Odoo ORM and understanding of its architecture

Experience in FastAPI / Flask.

Proficiency in PostgreSQL and writing complex SQL queries

Familiarity with Git, HTML, CSS, and JavaScript.

Comfortable working on Linux OS.

Experience with Agile software development methodology.

Exposure to product development lifecycle.

Good to Have:

Basic knowledge of Docker.

Advanced proficiency with Linux.

Understanding of stock and crypto markets, especially candlestick patterns.

Perks & Benefits:

Opportunity to work in a fast-growing product environment.

Collaborative and supportive team culture.

Learning and development opportunities.

If you are passionate about technology and want to grow in a dynamic product-based company, we encourage you to apply!

• Strong experience in Core Java, Multi-Threading, data structures (List/Map/Set) and unit testing with (Junit, Mockito)
• Strong experience with Spring Framework (Spring MVC, Spring REST, Spring Data), ORM frameworks (JPA, Hibernate) and RDBMS (Oracle/MySQL/Postgres)
• Strong experience in applying Object-Oriented design principles and Design Patterns
• Good knowledge of Multi-Tier architecture, Micro Services architecture and Service Oriented Architecture 
• Exposure to AWS Cloud, NoSQL Database (Mongo, Cassandra), Message Broker (Active
• MQ/RabbitMQ/Apache Kafka) and Big Data Technologies (Hadoop/Hive/Spark)
• Additionally, must possess capability to review code, produce technical specification document
• and knowledge of code quality tools (PMD/FindBugs/Sonar)

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. 

Who You Are:

• You’ve built scalable, production-ready APIs in fast-paced environments, and are comfortable with the challenges that come with a growing startup.
• You understand event-driven architectures and have hands-on experience building real-time applications.
• You are fully capable of taking ownership of backend systems, from designing the database schema to writing efficient, maintainable code.
• You think beyond the code: optimizing performance, scalability, and security are as important as building new features.
• You’re comfortable troubleshooting complex issues, whether that’s API bottlenecks, database performance, or production issues.

Responsibilities:

• Design, implement, and manage a NestJS backend with a modular, scalable architecture that can easily handle real-time events and communication.
• Develop and maintain WebSocket services for real-time event-driven updates and ensure seamless communication across the system.
• Integrate RabbitMQ for reliable internal messaging, handling queues and ensuring event-driven workflows are efficient and fault-tolerant.
• Implement database management strategies using MongoDB, Redis, and Elasticsearch, ensuring efficient data handling, indexing, and optimization.
• Integrate with external APIs (JSON-RPC, XML-RPC, REST) to enhance system capabilities.
• Ensure high performance of the system by optimizing database queries, implementing caching strategies using Redis, and ensuring optimal indexing and data flow.
• Implement role-based authentication and authorization mechanisms using JWT, OAuth, and RBAC patterns within NestJS.
• Follow security best practices to ensure sensitive data is protected, credentials are stored securely, and the system is resilient to common vulnerabilities.
• Work collaboratively with cross-functional teams to ensure seamless integration between different services and technologies.

Must-Have Skills:

• Strong proficiency in Node.js and NestJS with TypeScript.
• Solid experience with MongoDB, Redis, and Elasticsearch for data storage and real-time data handling.
• In-depth knowledge of WebSockets and Socket.IO in NestJS Gateways, enabling real-time communication and updates.
• Experience with RabbitMQ for message queuing and asynchronous task handling.
• Strong understanding of authentication & authorization systems using JWT, OAuth, and RBAC (Role-Based Access Control).
• Expertise in optimizing APIs, including techniques for caching, improving database performance, and reducing latency.
• Familiar with API security best practices, including secure storage of credentials, encryption, and safeguarding sensitive data.

Key Skills:

• TypeScript, NestJS, WebSockets, Socket.io
• Redis, MongoDB, Elasticsearch, RabbitMQ
• API Optimization, JWT, OAuth, RBAC
• Real-time communication, Event-driven architecture

Key Responsibilities:

·        Develop and create websites, applications, and systems

·        Participate on the Development and Testing Phase of the Projects

·        Participate as a member of the Scrum team

·        Maintain and enhance existing Projects

·        Deliver quality output on all Projects

·        Showcase your analytical and problem-solving ability.

·        Guide and Mentor other developers

·        Be updated on the latest technologies

Requirements:

·        More than 4-8 years’ experience in PHP

·        Must have minimum 4 years work experience in Laravel framework

·        Knowledge and experience in: MySQL, JQuery, Bootstrap, HTML,CSS

·        Knowledge on Coding Standards, Design Patterns, and Best Practices

·        Has actual experience and understanding on Agile Software Development

·        Ability to prioritize and handle multiple tasks and projects concurrently.

·        Able to mentor, collaborate and guide other team members

·        Team Player, Proactive and Accountable

1. Hands on experience in designing and developing applications using NodeJS and have at least 3 - 4
2. years’ experience on the same.
3. Should have excellent in-depth knowledge on Nodejs and Mongo DB.
4. Working knowledge of RESTful web services.
5. Basic understanding of front-end technologies, such as HTML5, and CSS3.
6. Integration of user-facing elements developed by front-end developers with server side logic
7. Design and implementation of low-latency, high-availability, and performant applications
8. Proficient understanding of code versioning tools, such as Git
9. Good communication skills.
10. Experience in working effectively within a team.

Responsibility of / Expectations from the Role:

• Document all technical requirements and design technical solutions utilizing enterprise architecture standards including documenting all solution components and configurations
• Contribute to all phases of the development lifecycle.
• Write well-designed, testable, efficient code.
• Ensure designs follow specifications.
• Ability to work independently.
• Persistent problem solver but know when to ask for help.
• Open-minded, transparent and able to learn and adapt.
• Good communication skills – both written and verbal.
• Teamwork skills with a problem-solving attitude.

Overview

This position is open to experienced PHP Laravel Developers. You will be working with an amazing team and will have tremendous opportunities to learn and grow quickly.

Who are we looking for?

• 3 years to 5 years of experience
• Proficient in Core PHP
• Proficient in PHP Laravel Framework
• Studied from a reputed college
• Good score throughout academics with minimum 60% marks throughout

Role & responsibilities

• Work on www.faveohelpdesk.com
• Review Faveo in terms of UI, code, usability etc.
• Work to optimize UI, features, code, database etc.
• See that Faveo code follows all standards like PSR/FIG/W3C
• Write PHP Unit test cases and Dusk cases for all the modules that you program
• Guide other junior developers working on Faveo
• Build new features & modules in Faveo
• Maintain the existing code of Faveo
  
  

Technologies you will work on

• PHP
• Laravel Framework
• MySQL
• HTML & CSS
• Bootstrap
• XML
• Basic Javascript, jQuery, Vue.js

Tools you will use

• Git - Github
• Filezilla
• AWS Hosting and management
• cPanel web hosting
• IDE: NetBeans/Dreamweaver/Brackets/Sublime
• Codacy
• Jenkins
• Candidates with prior knowledge of these tools will be preferred