Sr. Java Developer

Job Details:

• Role: Principal Engineer, Java Angular
• Experience: 11-13 Years
• Employment Type: Full-time
• Work Mode: Remote

Job Description

REQUIREMENTS:

• Total experience: 11+ years.

• Strong hands-on experience in Java and Spring Boot for backend application development.

• Must-have expertise in Angular for building modern, scalable web applications.

• Strong experience in designing and developing RESTful APIs and service-based architectures.

• Hands-on experience with PostgreSQL and relational database design.

• Experience working with API Management/Integration platforms such as Apigee, Kong, or MuleSoft.

• Strong understanding of Object-Oriented Programming (OOP), software design patterns, clean architecture, and separation of concerns.

• Hands-on experience with CI/CD pipelines, containerized development, and cloud-native deployment environments.

• Strong experience implementing automated testing across unit, integration, and end-to-end testing.

• Experience applying secure coding practices, including authentication, authorization, input validation, data protection, and OWASP principles.

• Familiarity with AI-assisted development tools for code generation, refactoring, documentation, and engineering productivity.

• Strong experience working in Agile (Scrum/Kanban) product development environments.

• Experience participating in code reviews, technical design discussions, and architecture reviews.

• Strong debugging, problem-solving, communication, and stakeholder collaboration skills.

• Ability to write clean, maintainable, scalable, and production-quality code following engineering best practices.

RESPONSIBILITIES:

• Design, develop, and maintain scalable backend services using Java Spring Boot.

• Design, develop, and maintain modern frontend applications using Angular.

• Build, enhance, and maintain RESTful APIs, integrations, and business services.

• Develop scalable, secure, and high-performance full-stack applications following clean architecture principles.

• Apply software design patterns, object-oriented principles, and clean coding practices throughout the development lifecycle.

• Contribute to system architecture, technical design, solution decomposition, and implementation decisions.

• Review and improve application architecture, code quality, maintainability, and overall engineering standards.

• Implement secure coding practices, ensuring application security, data protection, and compliance with OWASP guidelines.

• Develop and execute automated tests across unit, integration, and end-to-end testing levels.

• Build and manage CI/CD pipelines while supporting containerized and cloud-native deployments.

• Leverage AI development tools responsibly to accelerate coding, testing, refactoring, documentation, and engineering productivity.

• Perform code reviews, root cause analysis, debugging, and performance optimization to improve system reliability and scalability.

• Collaborate closely with Product Managers, Architects, QA, Platform teams, and other stakeholders in Agile environments.

• Identify technical risks early and recommend effective solutions to ensure high-quality software delivery.

• Drive continuous improvement in engineering practices, development processes, and product quality.

Qualifications

Bachelor’s or master’s degree in computer science, Information Technology, or a related field.  

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.

Requirements

• 5+ years of experience in professional Web Development
• Proven software development experience in Core PHP, Codeigniter, WordPress; Laravel is a plus.
• Must have 2+ yrs experience in VueJs.
• Experience in ReactJs, NodeJs is a plus.
• Excellent Software Design and Architecting capabilities
• Complete familiarity with client-side scripting and Angular JS, Ember JS , JavaScript frameworks, including jQuery.
• Complete familiarity and expertise in web markup, including HTML5, CSS3.
• Expertise in third party API integration - payment gateways, Storage, Streaming services, etc.
• Complete familiarity and experience working with JSON / XML and REST API structure
• Familiar with Continuous Integration/Continuous Deployment technologies such as Bitbucket, Jenkins and Git
• AWS/Google Cloud Deployment is a must; Devops capability is a plus.
• Excellent knowledge of relational databases, version control tools and of developing web services.
• Sound Database experience with MySQL and PostgreSQL experience
• A sound knowledge of Object-Oriented (OOPS) Programming & Design Pattern.
• Agile and Iterative (TDD) development expertise.

Job Description :

● Designation : Full Stack Developer

● Industry : Software Development

● Role category : Software Developer

● Education : Graduate

● Total Experience years : 3-5 Years

● Relevant Experience years : 3-5 Years

● Main skill require: : Python, Django, Javascript, react.js

● Gender : Male / Female

● Salary range : 6L to 12 L Per annum

● Job location : Navi Mumbai / Bangalore

● Office time : 11 AM to 8 PM

Hiring Process:

Following are some guidelines for the hiring process. It lists out the

expected experience and skill set required for the position. In terms of

the hiring procedure, our first step involves arranging a video

interview with the candidates who have been shortlisted.

Subsequently, we will proceed to schedule an in-office interview.

Resume Requirements

● Detailed Technical Skillset

● Detailed description of the Project

● Description of the modules/system which the developer was directly

involved in the Development.

Additional Attributes, if available

● Description of Technical Challenges faced and It’s implementation

● Link to their Code Repository (github, bitbucket etc)

● Link to the project

Full Stack Developer

Experience Requirement :

3-5 years of experience in Javascript, ReactJS and Python/Django

Technical skills Frontend:

● Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

● Thorough understanding of React.js and its core principles, React

Hooks, Context, High Order Components

● Prior experience with popular React.js workflows (such as Flux or

Redux)

● Familiarity with more current specifications of EcmaScript

● Prior experience with data structure libraries (e.g., Immutable.js)

● Familiarity with RESTful APIs

● Familiarity with HTML / CSS

● Experience with common front-end development tools such as Babel, Webpack, NPM, Etc.

Additional Skills – Not Compulsory -

● GIT experience is a plus

● Knowledge of isomorphic React is a plus

● Knowledge of modern authorization mechanisms, such as JSON Web Token

● Familiarity with modern front-end build pipelines and tools

● Ability to understand business requirements and translate them into technical requirements

● A knack for benchmarking and optimization

Technical skills Backend:

We are looking for a Python/Django developer who is well versed in Python language as well as in use of the Django framework. Knowledge of other python web frameworks is an advantage.

Skills needed

● Good understanding of Python language(3 + years experience)

● Proficient in Django Development Framework

● Good understanding of REST Architecture

● Good understanding and experience in writing of regular Expressions

● Familiarity with some ORM (Object Relational Mapper) libraries

● Hands on Experience with deployment of application

● Knowledge of user authentication and authorisation between multiple systems, servers and environments

● Understanding of fundamental design principles behind a scalable & distributed application

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.

• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software

• Proven experience as a Full Stack Developer or similar role
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. NodeJs, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• Degree in Computer Science, Statistics or relevant fiel

Should have delivered successful end-to-end development to deployment experience on Web applications and Api’sin last 4-12 years

·         Extensive experience with C#, .Net Core, Web API, Oops, Design patterns & principles.

·         Experience in MySQL is a must and added advantage to have knowledge of NOSQL database.

·         Extensive experience in writing rest full API

·         Experience in using version controls such as GIT, Continuous Integration, Continuous Delivery

·         1-2 year of experience in Angular 2/4/5/6/7/8/9/10/11/12, Typescript, JavaScript, and Bootstrap with Restful API’s is a plus

·         Good to have experience in testing and debugging new programs using