

Location: Bangalore
Experience: 5 to 10 years
Joiners: Immediate / Notice Period < 30 days
Company: Wissen Technology
š 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.
š ļø 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.
ā 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.
š¼ 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.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to WorkĀ®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Experience: 3 to 6 Years
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Joiners: Immediate joiners or candidates who have completed their notice period preferred
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- Design, develop, and maintain web applications using .NET (C#) on the backend and Angular/React on the frontend.
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Required Skills
- Strong proficiency inĀ C# and .NET Core/.NETĀ Framework.
- Experience with JavaScript and modern front-end frameworks likeĀ Angular or ReactĀ (preference for Angular).
- Exposure to cloud platforms āĀ Azure (preferred), AWS, or GCP.
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Job description
We are looking forĀ MERN Stack InternsĀ to join our team and help us build and maintain high-performance web applications. As a MERN stack developer, you will be responsible for designing, developing, and deploying web applications using the MERN stack (MongoDB, Express, React, and Node.js).
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Qualifications:
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If you are passionate about using the latest technologies to build high-performance web applications, we would love to hear from you!
Internship Duration: 06 Months.
Working Days:Ā (Monday to Friday)
Timing:Ā 9:30 AM to 6:30 PM
Job Location: Naini Prayagraj.
Note: This Job is the total based on Work from the Office & We prefer only UP candidates.
Job Types: Full-time, Internship
Salary: ā¹5,000.00 per month


RESPONSIBILITIESĀ
Ā
Building and implementing top-notch user interfaces using Javascript and the Angular frameworkĀ
Writing efficient Javascript code while also using HTML and CSSĀ
Develop all server-side logic, including data storage to optimize website performanceĀ
Using the latest front-end technologies, creating adaptable interfaces for online applicationsĀ
Leading with product-analysis tasks and conducting performance testsĀ
Using sustainable coding patterns that can be easily enhanced and modified subsequentlyĀ
Perform complex product analysis as well as development duties that may include significant research and analysisĀ
Ensuring extensive and proper documentation of solution designs and implementation for easy onboarding of new teammatesĀ
Effective collaboration with team members and stakeholders to deliver requirementsĀ
Keeping up-to-date with industry trends and technology developmentsĀ
Providing tech support for clearing bottlenecks and and obstaclesĀ
Identifying and troubleshooting issues with frontend codeĀ
Execute automated testing platforms and system testsĀ
Ā
REQUIREMENTSĀ
Ā
Extensive knowledge, experience and understanding of JavaScript and Node.jsĀ
Professional experience inĀ fullĀ stackĀ development using the NAPĀ stackĀ - Node.js, Angular, PostgresĀ
In depth understanding of cross-browser compatibility issues and ways to work around such issuesĀ
Proficiency in browser rendering behavior and performance.Ā
Proficiency in Javascript, webĀ stacks, libraries, and frameworksĀ
Proficient understanding of code versioning tools (Git)Ā
Good understanding of or working experience with IONIC framework is a major plusĀ
Understanding of data security conceptsĀ


ļ· Bachelor's degree in computer science or any other equivalent degree.
ļ· Strong knowledge of and experience with object-oriented methodologies, enterprise application
ļ· architectures and design pattern, use of automated testing frameworks
ļ· Handy with VisualStudio Code, Intellij, PgAdmin, Docker, and Postman.
ļ· Experience with RestAPI and websockets.
ļ· Experience of 1+ years in Angular and JavaScript. Vue and React are a plus.
ļ· Experience developing in Java at least 1.5 years.
ļ· Experience with relational database management systems, (at least PostgreSQL and MsSQL).
Nonrelational database engines is a plus & ability to write well-documented, clean Javascript code

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- Next the candidate should have worked on JS Ā with good hands on experience in a few projects mainly in backend development like making api calls, handling exception, models, data transformations, controllers etc. Ā ā 20-30% weightage
- The last would be having some experience in any one of react.js/ node.js or even angular.js since some of these are being used in the current project. ā 20-30% weightage
- Prefer candidates with Angular (ver 8+), react (ver 16+), Node (Ver 14+) and extremely good in JavaScript, HTML & CSS
- Experience : 4-6 years relevant


-
Candidate must be familiar with the javascript tech stack
-
NodeJS or ReactJS or AngularJS knowledge is desired
-
SQL and NoSQL database hands-on production grade experience is desired
-
Candidate should be familiar with the version control system and working in a team
-
Working experience with Message Queue, Mirco service architecture, Docker containers would be a great advantage.
-
Experience designing and developing complex systems that can handle variable load would be an added advantage
-
Familiarity with AWS services, deploying and managing workloads would be advantageous

- 2+ years of software development experience
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- Experience and a good understanding of Node.JS
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