NodeJS 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.

We are seeking an Electron + Angular Full-Stack Developer to build and maintain cross-

platform desktop applications with strong offline-first capabilities. The ideal candidate will

have hands-on experience with Angular, Electron, and at least one backend technology, with

a focus on performance, data synchronization, and security.

Key Responsibilities

 Develop cross-platform desktop applications using Angular and Electron

 Implement offline-first architecture with seamless online/offline synchronization

 Securely store local data and sync with backend services when online

 Implement IPC communication between Electron main and renderer processes

 Design and integrate REST APIs

 Handle conflict resolution, retry mechanisms, and data integrity

 Optimize desktop UI/UX and application performance

 Ensure stability during crashes or forced shutdowns

 Apply Electron security best practices

 Collaborate with design, backend, and product teams

Required Skills

 Strong experience with Angular (latest versions)

 Hands-on experience with Electron.js (Windows, macOS, Linux)

 Proficiency in TypeScript, HTML, SCSS

 Experience with Angular Material / Bootstrap

 Good knowledge of RxJS and state management

 Backend experience with .NET Core / C# or Node.js + Express

 REST APIs, JSON handling, authentication, and role management

 Database experience: SQLite / MySQL / PostgreSQL / MongoDB

 Local file system handling for desktop applications

Must-Have Experience

 Offline and online synchronization logic

 Secure local storage using SQLite / IndexedDB / filesystem

 Auto-update handling in Electron

 Build and packaging using electron-builder / electron-forge

 Git version control

 Electron application security best practices

Nice to Have

 Experience with large-scale offline applications

 Exposure to kiosk or enterprise desktop systems

 Performance optimization and crash recovery experience

Key Responsibilities would include: 

1. Design, develop, and maintain enterprise-level Java applications. 

2. Collaborate with cross-functional teams to gather and analyze requirements, and implement solutions. 

3. Develop & customize the application using HTML5, CSS, and jQuery to create dynamic and responsive user interfaces. 

4. Integrate with relational databases (RDBMS) to manage and retrieve data efficiently. 

5. Write clean, maintainable, and efficient code following best practices and coding standards. 

6. Participate in code reviews, debugging, and testing to ensure high-quality deliverables. 

7. Troubleshoot and resolve issues in existing applications and systems. 

Qualification requirement - 

1. 4 years of hands-on experience in Java / J2ee development, preferably with enterprise-level projects.

2. Spring Framework including - SOA, AoP and Spring security 

3. Proficiency in web technologies including HTML5, CSS, jQuery, and JavaScript.

4. Experience with RESTful APIs and web services.

5. Knowledge of build tools like Maven or Gradle

6. Strong knowledge of relational databases (e.g., MySQL, PostgreSQL, Oracle) and experience with SQL.

7. Experience with version control systems like Git.

8. Understanding of software development lifecycle (SDLC) 

9. Strong problem-solving skills and attention to details.

Description:

At Digicorp, we design and develop world-class digital products for startups, scale-ups, and enterprises. We specialize in building web, mobile, and cloud-based applications that are scalable, simple, and impactful. Our mission is to help businesses turn ideas into meaningful software products that create real value.

What we are looking for?

• A MERN Stack Developer with 3–5 years of experience.
• Strong expertise in Node.js, React.js, and Python.
• Passion for coding, problem-solving, and building innovative solutions.
• Team player with good communication skills and a proactive mindset.

What will you do at Digicorp?

• Develop, test, and maintain scalable web applications using MERN stack.
• Write clean, reusable, and efficient code in Node.js, React.js, and Python.
• Collaborate with designers, product managers, and other developers to deliver high-quality solutions.
• Optimize applications for performance, scalability, and speed.
• Debug and fix issues to ensure smooth functionality of applications.
• Stay updated with the latest technologies and apply best practices in development.

Davis Index is a leading market intelligence platform and publication that specializes in providing accurate and up-to-date price benchmarks for ferrous and non-ferrous scrap, as well as primary metals. Our dedicated team of reporters, analysts, and data specialists publishes and processes over 1,400 proprietary price indexes, metals futures prices, and other reference data. In addition, we offer market intelligence, news, and analysis through an industry-leading technology platform. With a global presence across the Americas, Asia, Europe, and Africa, our team of over 50 professionals works tirelessly to deliver essential market insights to our valued clients.

Job Overview:

We are looking for an enthusiastic and energetic Full Stack Intern to join our development team. This is a fantastic opportunity for students or recent graduates who have a passion for coding and want to gain hands-on experience in developing web applications.

Key Responsibilities:

• Contribute to the development of web applications using the MERN stack (MongoDB, Express.js, React, Node.js).
• Collaborate with the team to design, develop, and test new features.
• Work with Python for backend integrations and scripting.
• Debug and troubleshoot issues in existing applications.

Required Skills and Qualifications:

• Proficiency in React and Express.js.
• Working knowledge of Python.
• Completed 1-2 small to mid-level MERN stack projects.
• Strong communication skills and a positive attitude.

 Application Process:

1. Candidates must submit their project portfolio showcasing the MERN stack projects they have worked on.
2. Shortlisted candidates will be given a beginner-level technical test to assess their skills.
3. Candidates should demonstrate strong communication skills and enthusiasm during the interview process.

Role: Engineer/Sr Engineer -Java 

SUMMARY OF THE POSITION: 

The Product Development Engineer is responsible for the front-end development of modules for enlivening CEM. 

The engineer is responsible for end to end delivery of specific components in the module and integrating them with existing modules 

ROLES AND RESPONSIBILITIES: 

• Working with technical architects, able to convert the architecture into design and code in Java (Spring Boot), AngularJS, and NodeJS. 

• Able to generate LLD documents. 

• Ability to write Quality code with minimum defects. 

• Unit Test and follow the coding standards. 

PREFERRED QUALIFICATION AND SKILLS: 

• 5+ years of strong programming and logical skills in Java (Spring Boot), AngularJS, Object-Oriented Javascript, NodeJS and HTML5 

• Hands-on Experience with Java (Spring Boot), and MySQL is mandatory. Must have completed at least 2 full projects using Spring boot and AngularJS.

• Excellent knowledge and experience in Spring JPA and RESTful web services implementation.

• NodeJS experience is value add 

• Should have participated in, and be familiar with, Agile (Scrum) project methodology and practices.

• Must be able to mentor and guide junior technical resources. 

• One who is proactive and comes forward with technology-related initiatives. Motivated selfstarter. 

• Good communication skills. English - Oral and Written.

• Web application development experience in HTML5, CSS3, Javascript (including new ES features), Python
• Hands-on experience in any one of the python-based backend frameworks like Django or Flask or Pyramid along with end to end testing
• Hands-on experience in building high performant React applications
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript libraries and their practical uses in building complex interactive experiences
• Hands-on experience working with TDD in JS with the help of frameworks like Mocha, Chai, Jest, Enzyme, React Testing Library etc.
• In depth knowledge of SQL is a must. SQL Technologies that are desired are MySQL, PostGres, Oracle
• Experience in state management libraries like Redux and MobX
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Familiarity with various component libraries and design systems
• Proficient in using media queries and CSS frameworks like bootstrap or foundation for implementing responsive web design patterns in the applications
• Knowledge of common JavaScript design patterns
• Experience in owning Code Quality and Code Review processes
• Experience on Node.js is an advantage
• Work "in the trenches" with junior developers to implement large features that wow our clients
• Partner with Managers, Business Analysts, and test analysts to develop realistic implementation plans with a focus on quality, sustainability, and delivering value to our clients
• Stand up for coding best practices that ensure quality products: automated testing, unit testing, agile development, continuous integration, code reviews, and technical design
• Improve technical skills of self and the team
• Research industry trends and web technologies, and promote adoption of best-in-class web tools and technologies
• Understand client business issues and actively participate in designing solutions and features that meet client needs
• Take initiative to advance the quality, responsiveness, architecture, or design of our solution, if you want to make it happen you can.
• Excellent organizational and task management skills
• Strong oral and written communication skills
• Ability to work in global cross-office teams
• Fluency in English is required

Desired skills:

• Bachelor’s degree or equivalent combination of education and experience in Computer Science.
• Ability to establish priorities, goals/objectives and timelines.
• Possess strong planning and time management skills.
• Demonstrated ability to delegate and oversee assignments to ensure successful and timely completion as well as to obtain the cooperation of others within and outside the unit. Works in a collaborative manner to achieve results.
• Ability to effectively present technical topics to internal groups with potentially varied levels of technical sophistication. Strong communicator with excellent ability to work in a team environment.

Preferred Experience:

• 2-3 years of industry experience in software development.
• Experience working with medical data
• Experience and familiarity working in development teams and team-based development practices including scrum/agile, code review, etc.
• Knowledge and experience working with NoSQL databases such as MongoDB, CouchDB, Raven DB, etc.
• Knowledge of RDBMS concepts and experience with Microsoft SQL Server, MySQL, etc.
• Knowledge and experience working with Node.js and related frameworks such as Express.js.
• Knowledge and experience working with web application frameworks such as Angular, AngularJS, or React and related frameworks such as Ionic.
• Familiarity with FHIR APIs and experience working with REST APIs.
• Experience working on full-stack projects.
• Familiarity with CI/CD pipelines

• Developing, recording, and maintaining cutting edge web-based PHP applications on portal plus premium service platforms
• Building innovative, state-of-the-art applications and collaborate with the User Experience team
• Ensuring HTML, CSS, and shared JavaScript is valid and consistent across applications
• Preparing and maintaining all applications utilising standard development tools
• Utilising backend data services and contributing to increasing existing data services API
• Leading the entire web application development life cycle right from concept stage to delivery and post-launch support
• Conveying effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues
• Documenting the development process, architecture, and standard components
• Coordinating with co-developers and keeping project manager well informed of the status of development effort and serving as a liaison between development staff and project manager
• Keeping abreast of new trends and best practices in web development