Senior Software Engineer

Job Title: Full Stack Developer (Java + React)

Location: Bangalore

Experience Level: 6–10 Years

Employment Type: Full-time

Job Summary-

Wissen Technology is looking for a skilled Full Stack Developer with strong experience in Java (backend) and React (frontend) to join our engineering team. You will be responsible for designing, developing, and maintaining scalable web applications, collaborating with cross-functional teams, and delivering high-quality software solutions.

Key Responsibilities

• Design, develop, and maintain robust, scalable, and secure web applications
• Build RESTful APIs using Java-based frameworks
• Develop responsive and dynamic user interfaces using React
• Collaborate with product managers, designers, and other developers to define and deliver features
• Write clean, maintainable, and efficient code following best practices
• Perform code reviews and mentor junior developers
• Troubleshoot, debug, and upgrade existing applications
• Ensure application performance, quality, and responsiveness
• Participate in Agile/Scrum development processes

Required Skills & Qualifications

• Strong proficiency in Java (8 or above) and backend frameworks such as Spring Boot
• Solid experience with React.js, including hooks, state management, and component lifecycle
• Experience building and consuming REST APIs
• Familiarity with frontend technologies: HTML5, CSS3, JavaScript (ES6+)
• Knowledge of databases such as MySQL, PostgreSQL, or MongoDB
• Experience with version control systems like Git
• Understanding of software development principles, design patterns, and data structures
• Familiarity with build tools like Maven or Gradle
• Basic understanding of cloud platforms (AWS, Azure, or GCP) is a plus

• Delivering a complete front end application
• Ensuring high performance on mobile and desktop
• Writing tested, idiomatic, and documented JavaScript, HTML and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services
• Integration of client-side elements developed by a frontend developers with server side logic
• Develop back-end components to improve responsiveness and overall performance
• Building reusable code and libraries for future use
• Test and debug programs
• Improve functionality of existing systems
• Implement security and data protection solutions
• Assess and prioritize feature requests
• Coordinate with other team members to understand user requirements and provide technical solutions
• Ability to lead a team

Skills and Competencies:

• Proficiency with JavaScript, TypeScript, HTML and CSS
• Fundamental Knowledge of an SPA (Single page application)
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, and testable modules and components
• Ensuring a clear dependency chain, in regard to the app logic as well as the file system
• Ability to provide SEO solutions for single page apps
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Validating user actions on the client side and providing responsive feedback
• Writing non-blocking, optimized, reusable and scalable code
•  Creating custom, general use modules and components which extend the elements and modules of core Angular
•  Experience with building the infrastructure for serving the front-end app and assets
•  Architecting and automating the build process for production, using task runners or scripts
• Documenting the code inline using JSDoc or other conventions
• Creating e2e test suites for all components, and running them with Protractor (or a well reasoned alternative)
• Creating configuration, build, and test scripts for Continuous Integration environments
• Professional, precise communication skills
• Proficient understanding of code versioning tools such as git is required
• Excellent presentation, problem-solving and team working skills
• Understanding of modern development methodologies and tools including Agile (XP and Scrum), Rapid Application Development, etc.
• Proficient knowledge of Python with a backend server framework like Flask or Django
• Implementing user authentication and authorization between multiple systems, servers, and environments
• Understanding accessibility and security compliance from the Business statement & implement them accordingly
• Building API services from scratch - Project structuring, setting up environment objects, build reusable components, etc
• Integration of multiple data sources and databases into the application code
• Management of hosting environment, including database administration and scaling an application to support load changes
• Creating database schemas that represent and support the business use case
• Experience with scripting for task automation and data analysis
• Implementing automated testing and unit tests cases using tools like Postman or any other libraries
• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML, and CSS would be a value-add
• Professional, precise communication skills

Qualification and Experience:

• B.E. / B. Tech. / MCA / PGDCA / M.Sc. (CS) /M.E. / M. Tech
• 4+ years of experience in Web Application and Backend Development
• Proven expertise in testing of application software to assure accuracy, integrity, completeness to achieve desired results
• Experience with AngularJS (v1.x.x) would be a value-add
• Proficient knowledge of Python or any other back-end programming language
• Demonstrated experience with Object Oriented design and development
• Proven expertise in testing of application software to assure accuracy, integrity, completeness to achieve desired results
• Experience in working with MongoDB or other NoSQL databases would be a value-add
• Knowledge of Microservices, Dockers, Kubernetes
• Exposure to Google Cloud Platform and/or Amazon Web Services

We are currently seeking a full stack software engineer that can architect, design, develop and test applications using the following technologies: React JS, Spring Boot and REST API

Responsibilities:

·      Architect and design scalable, resilient, and cost-effective solutions

·      Lead the engineering team on all design and development work.

·      Hands on with implementing solutions and functions which collaborates with AI/ML products.

·     Experience with system diagrams, technical specifications, implementation and support  plans.

·      Can work in close association with team and communicate efficiently with senior management on various Tech development aspects.

Qualifications:

·      Bachelor's degree/Masters/MS in Computer Science, Information Technology  or a related field..

·      8+ years of experience architecting and designing software solutions.

·      5+ years of experience using UI based technologies such as JavaScript/Typescript, React and/or Next JS

·      5+ years of development experience with Object Orientated Programming (e.g., Java, C++)

·      5+ years of experience with (CI/CD) and Agile methodology

·      5+ years of experience building large scale distributed applications.

·      Hands on experience developing custom file viewers.

·      Experience with web development frameworks, databases, and version control systems

·      Hands on experience with integrating the front end with the back end using REST API’s

Responsibilities:

● Collaborate with the team to solve problems and build innovative products planned per the Sprints.

● Utilize your in-depth understanding of programming languages and tools to develop solutions using Java, Spring-boot, ReactJS, Redux, SQL, and AWS.

● Design the low level system architecture to meet business requirements.

● Develop core back-end and front-end infrastructure.

● Stay updated with emerging technologies and industry trends.

Skills:

● Proficiency in Java and React.

● Experience in full stack development.

● Strong problem-solving skills.

● Familiarity with data science concepts (preferred).

● SQL skills are a must.

The ideal candidate must have:

● B. Tech. from top-tier engineering colleges (BITS/IITs/ NITs/ IIITs/ DTU/ NSIT).

● 2+ years of experience in full stack development.

● Startup Cultural Fit: willingness to learn, innovate, take the initiative, to think beyond conventional dogma.

● Willingness to work from our Head office - Koramangala, Bengaluru. 

• Database Integration
• Java
• Oops concept
• Spring boot
• No SQL server (Mongo DB)
• SQL Server
• Rest API
• MVC
• Hibernate
• API optimization
• Multi-Processing

• 2+ years of relevant work experience in Java & Spring
• Experience in Mongo DB (optional).
• Experience working in software development
• Proficient in Sprint Boot
• Good understanding of Java language
• Knowledge of NoSQL & SQL databases
• Has experience in functional and technical design
• Experience in working with front end technologies and/or front end

• Experience with user-interface
• Background in computer science, with a focus on data structures, algorithms, and API
• Ability to learn other coding
• Demonstrated ability to share knowledge via formal mentoring, reviewing code, reviewing design documents, providing technical talks, teaching classes, or as a consultant on

Position: Full Stack Developer

Location: Remote

Experience: 2-3 Years

.Net Core, Angular / AngularJS, PL/SQL is must

Skill Set:

• .Net Core, Angular JS - skills are a must
• Must have done WebAPI's.
• Implemented single Sign on - added advantage
• A bit of Pl/sql or Sql is an added advantage
• Must be aware of Agile Methodologies
• Must be aware of code versioning tool like GitHub/Bitbucket
• Exposure to tools like JIRA/Confluence is an added advantage
• Must be aware of Dependcy Injection pattern

Responsibilities:

• Concepting, creating, and building websites alongside our graphic design team, including taking designer wireframes and magically turning them into effective code.
• Working through the website development lifecycle to launch.
  Designing user-based interactions through an effective front-end architecture framework.
• Developing functional databases, applications, and servers to support our websites on the back end.
• Developing and designing RESTful services and APIs.
• Determining application responsiveness for consumers.
• Troubleshooting issues and problem-solving as necessary.
• Keeping current with industry trends and developments that can be applied to company needs.

Requirements:

• Bachelor’s Degree in Computer Science.
• Expertise with MEAN stack
• Fluent in CSS (Foundation or Bootstrap), JavaScript, and HTML, with an understanding of CSS preprocessors including Sass and LESS.
• Strong knowledge of Linux, JavaScript, and MongoDB with working knowledge of SQL Database and PHP.
• Experience with JS-based tools including Bower, Grunt, and Gulp.
• Working experience as a Full Stack Developer.
• Experience working with server technologies including Apache, ISS, Node.js, and Nginx.
• Experience in API design and development.
• Understanding of libraries including Backbone.js and jQuery.
• Experience with Docker, AWS, CI/CD, Jira is a plus.
• Strong knowledge of data structures, system design, and algorithms.
• Excellent communication skills, with strong attention to detail and a head for problem-solving.
• Skilled at working in tandem with a team, or unsupervised as required.