Node.js Developer

Java Technical Lead

We are solving complex technical problems in the financial industry and need talented software engineers to join our mission and be a part of a global software development team.

A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.

Experience: 10+ years

Location: Mumbai

Job Description:

• Experience in Core Java, Spring Boot.

• Experience in microservices.

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2

• Good knowledge of multi-threading

• Basic working knowledge of Unix/Linux

• Excellent problem solving and coding skills in Java

• Strong interpersonal, communication and analytical skills.

• Should be able to express their design ideas and thoughts.

About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers 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.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

We are looking for a talented Node.js Developer to join our growing development team. The ideal candidate will be responsible for designing, developing, and maintaining server-side applications using Node.js.

Responsibilities:

1. Develop, test, and maintain server-side applications using Node.js.
2. Design and implement scalable and high-performance APIs.
3. Collaborate with front-end developers to integrate user-facing elements using server-side logic.
4. Implement security and data protection measures.
5. Troubleshoot and debug issues to ensure the smooth operation of applications.
6. Collaborate with other team members and stakeholders to define software requirements and specifications.
7. Stay up-to-date with the latest industry trends and advancements in Node.js development.
8. Participate in code reviews to maintain code quality and provide constructive feedback.
9. Optimize applications for maximum speed and scalability.
10. Work with databases, such as MongoDB, MySQL, or other NoSQL databases.

Qualifications:

1. Proven experience as a Node.js Developer or similar role.
2. Strong proficiency in JavaScript and server-side frameworks (e.g., Express.js).
3. Experience with front-end technologies, such as HTML, CSS, and JavaScript.
4. Knowledge of RESTful API design and development.
5. Familiarity with databases and data modeling.
6. Understanding of asynchronous programming and event-driven architecture.
7. Experience with version control systems, such as Git.
8. Solid understanding of security best practices for web development.
9. Excellent problem-solving skills and attention to detail.
10. Good communication skills and the ability to work effectively in a collaborative team environment.

Education and Experience:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• Proven work experience as a Node.js Developer with a portfolio of relevant projects.

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Excellent hands-on experience using MySQL or any other SQL Database.
• Good knowledge of MongoDB or any other NoSQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience with graph-based databases like GraphQL and Neo4j.
• Experience developing and deploying REST APIs.
• Good knowledge of Unit Testing and available Test Frameworks.
• Good understanding of advanced JS libraries and frameworks.
• Experience with Web sockets, Service Workers, and Web Push Notifications.
• Familiar with NodeJS profiling tools.
• Proficient understanding of code versioning tools such as Git.
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
• Experience building a large-scale social or location-based app.

Job Description for NodeJS/Backend Developer (2 - 4 years experience ) :

Responsibilities:

1. Writing reusable, efficient code.
2. Implementation of security and data protection.
3. Development and design of high performant APIs and implementing server side logic.
4. User authentication, DB Schema design etc.

Skills and Qualifications:

1. Javascript
2. Typescript
3. Object oriented programming
4. Express and Mongo DB.
5. AWS and basic devOps

Other Tools:
1. Git and other development tools.

Responsibilities :

- Design and develop highly scalable, highly available, reliable, secure and fault-tolerant systems with minimal guidance for one of the fastest-growing company in India

- Translate business requirements into scalable and extensible design

- Pair with team members on functional and nonfunctional requirements and spread design philosophy, goals and improve the code quality across the team

- Partner with the product management team to define and execute the feature roadmap

- Coordinate with cross-functional teams (Mobile, UX etc.) on planning and execution

- Proactively manage stakeholder communication related to deliverables, risks, changes and dependencies

- The building of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.

Experience and Skills :

- 2+ years of hands-on experience in designing, developing, testing and deploying applications on Node.JS for large scale applications.

- Strong proficiency with JavaScript

- Understanding of Asynchronous Request handling techniques.

- Deep knowledge of Linux : CentOS, Fedora, or Ubuntu

- Data modeling experience in Relational and NoSQL databases(MONGO DB)

- Ability to understand and implement Continuous Integration and Continuous Delivery

- Well versed with Agile methodologies, TDD and Test Engineering and Automation

- Ability to design and implement low latency RESTful services

- Experience troubleshooting server performance - memory issues, GC tuning, resource leaks, etc.

- Excellent understanding of interactive application development paradigm, memory management, performance/resource optimizations, database interactions, network programming, concurrency and multithreading, fault tolerance, monitoring, security and operability of systems

- Continuously refactor applications to ensure high-quality design

- Ability to plan, prioritize, estimate and execute releases with a good degree of predictability