


Role Overview
We are seeking a proficient Full Stack Developer with expertise in Java and React.js / Angular to join our dynamic team. The ideal candidate will be responsible for developing and maintaining scalable web applications, ensuring seamless integration between front-end and back-end systems.
Key Responsibilities
- Develop and maintain web applications using Java (Spring Boot) and React.js/ Angular.
- Design and implement RESTful APIs and microservices.
- Collaborate with cross-functional teams to define and deliver new features.
- Ensure application performance, scalability, and security.
- Participate in code reviews and maintain code quality standards.
Required Skills
- Strong proficiency in Java, Spring Boot, and React.js / Angular.
- Experience with RESTful APIs and microservices architecture.
- Familiarity with HTML, CSS, JavaScript, and modern front-end frameworks.
- Knowledge of version control systems like Git.
- Understanding of Agile development methodologies.

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 Work®. 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.
Connect with the team
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Company: Billion-dollar US-based Retail
About the Role:
We are seeking a talented and experienced Fullstack Engineer with a strong focus on frontend development to join our dynamic team. You will work with modern web technologies to design and implement highly scalable and user-friendly interfaces for our global e-commerce platform. This is a hybrid role requiring 3 days a week from the office and 2 days remote.
Key Responsibilities:
Develop and maintain high-performance web applications with a primary focus on frontend features.
Collaborate with designers, backend engineers, and product managers to deliver seamless user experiences.
Write clean, maintainable, and scalable code using React.js, Vue.js, and other modern frameworks.
Integrate and optimize backend services using Node.js and PostgreSQL.
Participate in code reviews, mentoring sessions, and team discussions to uphold engineering excellence.
Stay up-to-date with emerging trends and technologies in fullstack and frontend development.
Required Skills and Experience:
8+ years of professional experience in software development, focusing on fullstack engineering.
Strong proficiency in React.js and/or Vue.js for frontend development.
Solid understanding of Node.js for backend services.
Experience with relational databases like PostgreSQL.
Proficiency in building responsive, cross-browser-compatible, and accessible user interfaces.
Familiarity with agile development methodologies and version control systems like Git.
Excellent problem-solving skills and the ability to work effectively in a team-oriented environment.
Preferred Qualifications:
Previous experience in the retail/ E-commerce / and finance domain a plus.


- Past experience in working with any product start-up is a plus.
- Proficiency in fundamental front end languages such as HTML, CSS, and JavaScript.
- Familiarity with JavaScript frameworks such as Angular JS, React, and others.
- Knowledge of Node.js and frameworks available for it such as Express (recommended).
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Understanding of REST Services.
- Experience with Redis.
- Familiarity with database technology such as MySQL, MongoDB and Elasticsearch.
- Proficient understanding of serverless programming.
- Proficient understanding of code versioning tools, such as Git.
- Good problem-solving skills.
- Attention to detail.


● 3+ years of experience with Node.js.
● 3+ years of experience with modern frontend framework like React.js
● Strong understanding of JavaScript, its quirks, and workarounds.
● Sound understanding of HTML, CSS, and the web platform.
● Experience in building performant rich UI components.
● Experience with databases, preferably Postgres, Elasticsearch, Cassandra.
● Experience with RabbitMQ, Apache Kafka is a plus.
● Having knowledge of GraphQL is again a plus.
● Knowledge of Next.js or similar frameworks is a plus.
● Good understanding of browser rendering behavior and performance.
● Self starting, inquisitive approach to problem solving.
● Passion for learning about and working on highly available distributed systems.
● Good communication skills. We solve problems for, and communicate with various
teams across the organization.
● Excellent people management skills. Should have worked with young teams
previously
What We Are Offering:
● An open, transparent culture.
● Latest, highest configuration machines to work on (and flaunt, if you may! The
buzz has it that they look good on Insta stories! )
● Quality over quantity approach (We care about the work you put into the hours,
and not about the number of hours you put into work).
● Frequent parties, trips, and sporting events.
● A platform to showcase your non-technical skills. (if you can strum that guitar or
belt out a classic, we will find you and make you perform :D )
● Put forth your product ideas in our open-to-opinions sprint discussions and see
them manifested in our product
P.S. We have a strong, proven bias towards people who demonstrate zeal to learn, a
curiosity of how things work beneath the hood and are a good match for our open
culture that promotes integrity, equality and learning


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Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo
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Binding of UI elements to JavaScript object models
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Creating RESTful services with Node.js
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Architect scalable web architectures
-
Work in a cross-functional team to deliver a complete user experience
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Create Unit and Integration tests to ensure the quality of code
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Be responsive to change requests and feature requests
-
Write code that is cross-platform and cross-device compatible
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Ability to wear many hats and learn new technologies quickly
💻 High configuration laptop will be provided (Minimum is 16GB)
🛑 No bond / No contract / No guarantee required
🛑 5 days a week
⏱ Flexible timing
🏠 WFH or Office or Both (Hybrid)
👨🏫👩🏫 1-on-1 mentorship, code review, automated builds, automated code reports, and many industry standards for delivering quality code.
💸 Up to 10k stipend during internship.




Who should not apply for this job
- If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
- If you never read books
- If you jump companies every 11-12 months
- If you are not comfortable working on Saturdays
- If you have less than 2 years of experience
- If you have more than 4 years of experience
At this position you will:
- Get solid experience with high-load distributed architecture using REST and High load services.
- Work with automated CI/CD processes, AWS cloud, and VoIP.
- Implement and support microservices based on Elasticsearch, Mongo, and frontend.
Key-Skills Required:
Node.js | Express | REST Api | Javascript | Redux-Saga | MongoDB | Web security TLS/SSL | Web Sockets | Promises & Call-backs | Database & Data structures | Redis | Elasticseach | React.Js
Key Deliverables:
- New feature design and implementation, Bug fixing, testing and performance tuning.
- Work on the API and Engines.
- Code deployment on cloud & maintenance of the same.
- Take complete ownership of a product/feature from setup to deployment.
- Time-bound feature delivery & updating.
- Cost-saving using efficient & effective technologies
Role and Responsibilities:
- Work on back-end (+ frontend integration) development of core scripts using NodeJS / MongoDB /Express /Redux, and Redis.
- Manage Key-value based databases like Redis.
- Active participation in the development of a sophisticated platform as one of the leading developers.
- Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular, and database level.
- Respond promptly and professionally to bug reports.
- Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
- Coding and programming using Object-Oriented Programming, Data Structure and Algorithms, architecture/ design and build RESTful API.
- Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
- Knows one or more of Wireframes/ Prototyping/ Functional Documentation of business.
4-10 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on performance/delivery schedule)
(We do ZERO deductions since the salary will be paid from US/Singapore)

- 2+ years of experience participating in the delivery of technology services.
- A proven ability to learn new applications & innovate in technology
- Strong Experience in technologies like Node, Webservices and Microservices
- Experience with cloud components and services and containerization technologies is desirable
- Exposure to ReactJS mandatory
- Experience working with multiple types of datastores: Mongo DB, SQL
- Experience in integrating, designing and developing solutions is desirable
- Experience with CI/CD and TDD is desirable
- Frameworks - Express , Hapi , feathers
- Strong knowledge in Javascript


