Senior Full Stack Developer

Location: Bangalore

Experience: 5 to 10 years

Joiners: Immediate / Notice Period < 30 days

Company: Wissen Technology

🔍 Job Overview:

We are looking for a passionate and skilled Fullstack Developer with strong backend expertise in Java and advanced frontend proficiency in React, JavaScript, and TypeScript. The ideal candidate will have a deep understanding of core computer science concepts like Multithreading, Collections, and Immutability, and should be highly proficient in building scalable, maintainable systems.

🛠️ Key Responsibilities:

• Design and develop robust, scalable backend systems using Java (preferably Java 8 or higher).
• Build interactive, high-performance UIs using React.js, JavaScript, and TypeScript.
• Implement complex business logic with clean and maintainable code.
• Write efficient, thread-safe code utilizing Multithreading, HashMaps, HashSets, and Collections.
• Work with iterators and immutability principles to build reliable data flows.
• Collaborate with product managers, designers, and QA teams in an Agile environment.
• Troubleshoot and debug production issues as needed.

✅ Must-Have Skills:

• Strong programming experience in Core Java, Multithreading, and Java Collections Framework.
• Solid knowledge of React.js, JavaScript (ES6+), and TypeScript.
• Hands-on with HashMap, HashSet, Iterators, and Immutable Data Structures.
• Experience working with REST APIs, Spring Boot, and microservice architectures.
• Familiarity with version control systems like Git and CI/CD pipelines.
• Strong problem-solving and analytical skills.

💼 Good to Have:

• Exposure to cloud platforms (AWS, GCP, Azure).
• Experience with state management tools like Redux or Context API.
• Knowledge of performance optimization and memory management in JavaScript.

Skills Required:

• 4+ years' experience in application development in the following
• Mandatory:        C# ASP.NET, MVC, REST API, T SQL, oops, Client facing skills
• Preferred:         ASP.Net Core, JavaScript or Angular, Azure, VB.NET, WWF, Microservices

Job Description:

• Mandatory:        Extensive hands-on experience in developing web applications using C# ASP.NET and MVC
• Mandatory:       TSQL ability to develop and analyze existing complex flows within Stored Procedures
• Mandatory:        Utilizing REST APIs for development of background processes with an emphasis on security (OIDC/OAUTH) and performance
• Mandatory:        Extensive understanding of Object-Oriented Design and Programming.
• Mandatory:        Ability to talk to international clients and also capable of explaining about the product features as well as support issues (client checks this ability by asking them to explain about their current projects)
• Preferred:           Angular (not AngularJS) or / and JavaScript
• Preferred:           Azure based DevOps and source check into Git and maintaining version control
• Preferred:           Windows Workflow Foundation (workflow activities and business process automation) => tool utilizes VB.Net syntax
• Preferred:           Azure function apps for serverless workloads
• Preferred:           Experience implementing integrations (utilizing SOAP, SFTP, XML, etc.)
• Preferred:           Experience with microservice architectures

Responsibilities and Duties

  Can work on live projects of international clients.

  Can handle multiple projects

  Error-free coding.

Requirement -

  Minimum 3 Years Experience.

  Knowledge in Custom PHP, Codeigniter, Laravel

  Knowledge in MYSQL

  Knowledge in HTML5, CSS3

  Knowledge in Javascript

  Knowledge in Jquery

  Knowledge in Ajax

  Knowledge in Web API & Rest API

  Knowledge in Third Party API Integration

• 2+yrs of experience in Frontend Development
• 2yrs of experience in NodeJS Development
• AngularJS (v1.+) proficiency and web development experience using AngularJS
• Good hands on experience in HTML, CSS, JavaScript.
• Strong communication and problem-solving skills
• Desire to work in a fast-paced, results-driven agile environment with varied

Responsibilities:

• Use markup languages like HTML to create user-friendly web pages
  Develop the frontend and Backend of the Application
• Integration of the front-end and back-end aspects of the web application
• Constantly and consistently implementing new features and optimize existing ones from controller-level to UI Vigilantly and rapidly fix bugs

Note: Candidate will be working on developing applications using NodeJS

We are looking for a Ruby on Rails developer responsible for managing existing ruby on rail projects and any future interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating and building the front-end elements required by our team into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities

• Design, build, and maintain efficient, reusable, and reliable Ruby code
• Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)
• Integration of user-facing elements developed by front-end developers with server side logic
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization and automatization.
• Be an individual contributor and a team player.
• Be able to lead a development project from scratch to execution.
• Maintaining and troubleshooting existing web applications.
• Creating back-end components.
• Connecting applications with additional web servers.
• Maintaining APIs.

Skills

• Experience with Ruby on Rails, along with other common libraries such as RSpec and Resque
• Good understanding of the syntax of Ruby and its nuances
• Solid understanding of object-oriented programming
• Good understanding of server-side templating languages such as Liquid, Slim, etc which will keep on changing based on our technology stack.
• Good understanding of server-side CSS pre-processors such as Sass, based on project requirements
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Familiarity with concepts of MVC, Mocking, ORM, and RESTful
• A knack for writing clean, readable Ruby code
• Ability to integrate multiple data sources and databases into one system
• Understanding of fundamental design principles behind a scalable application
• Able to create database schemas that represent and support business processes
• Able to implement automated testing platforms and unit tests
• Proficient understanding of code versioning tools e.g. Git, Mercurial or SVN
• Familiarity with development aiding tools such as Bower, Bundler, Rake, etc.
• Familiarity with continuous integration, CICD pipeline.
• Familiarity with Graphql and React framework is a bonus.
• Familiarity with testing tools.

• Bachelor’s degree in Computer Science, Computer Engineering, or related field.