Web Developer

JOB DESCRIPTION:

Location: mumbai

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

 For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

About the Role:

We are looking for an experienced Senior MERN Stack Developer to join our growing engineering team. You will be responsible for designing, developing, and maintaining high-performance web applications using the MongoDB, Express.js, React.js, and Node.js technology stack. You should be passionate about writing clean, scalable code and mentoring junior developers.

Key Responsibilities:

• Design and implement scalable, secure, and maintainable full-stack web applications using the MERN stack.
• Develop RESTful APIs and integrate third-party services and databases.
• Write reusable, testable, and efficient code.
• Optimize applications for maximum speed and scalability.
• Lead code reviews and enforce best practices in design and development.
• Collaborate with UI/UX designers, product managers, and other stakeholders to understand business requirements.
• Ensure cross-platform optimization and responsiveness of applications.
• Mentor and guide junior developers, fostering a culture of continuous learning.
• Troubleshoot and debug production issues.
• Maintain documentation of software functionality and technical decisions.

Required Skills:

• Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
• Deep understanding of React.js and state management libraries like Redux or Context API.
• Hands-on experience with Node.js and Express.js.
• Strong knowledge of MongoDB and Mongoose ORM.
• Experience in building and consuming RESTful APIs.
• Familiarity with Git, CI/CD pipelines, Docker, and Cloud Platforms (AWS/GCP/Azure).
• Good understanding of microservices, authentication mechanisms (OAuth, JWT), and role-based access control.
• Experience with unit testing and testing frameworks like Jest, Mocha, or Cypress.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.

Preferred Qualifications:

• Bachelor’s/Master’s degree in Computer Science or related field.
• Experience with GraphQL or WebSockets.
• Exposure to DevOps practices and tools (e.g., Jenkins, Kubernetes).
• Previous experience in Agile/Scrum environments.

What We Offer:

• Competitive salary and performance-based bonuses
• Flexible working hours and remote work options
• Opportunities for upskilling and certifications
• Collaborative and inclusive team culture
• Health insurance and wellness benefits

Job Description:

• Design and architect highly scalable web services applications
• Develop and maintain all server-side network components
• Collaborate with front-end developers on the integration of elements Architect
• Content Management Solution and scalable API platform
• Design back-end services for various business processes
• Partner with third-party technology services and make strategic inputs.
• Develop high-performance applications by writing testable, reusable, and efficient code
• Create workflows and solutions involving search, recommendations, rights
• management, monetization, identity management, SSO, authorization, authentication, etc.
• Work with large datasets and optimize server-side performance
• Implement effective security protocols, data protection measures, and storage
• solutions

Requirements

• 4-7 years of Knowledge of Node.js and ReactJS frameworks
• Experience in creating and maintaining efficient NoSQl databases GRPC and Json Elasticsearch
• Experience in AWS environment, cloud deployments and lambda
• DevOps and web security
• API development and deployment
• Unit and integration testing

What you will do

• Develop high-quality software based on the technical design provided by team lead
• Adherence with software development processes. Demonstrate problem solving skills, and attention to quality and detail
• Perform code reviews and unit testing, validation, and verification testing of program modules
• Develop well managed, high quality, scalable and reusable code using .NET components, web service API’s, database procedures, JavaScript, etc.
• Build automation pipeline (CI/CD) through appropriate tools and scripting
• Debug code, solve incidents and defects. Document unit test plans.
• Adhere toOWASP security standards while coding and regulatory requirements

Who you are

• Experienced Software Developer with 1 to 3 years of total IT experience.
• At least 2 years of development experience with Microsoft technology stack (.Net)
• Good knowledge of software development, agile methodologies, and the following technologies:

C#, http://asp.net/">ASP.NET Core, Web API, HTML/CSS, MVC, WCF, JavaScript, Oracle/SQL Server,AngularJS/ReactJS, Apache Kafka, Mule ESB, Apache Spark, PowerBI, Azure DevOps

• Experience developing highly responsive web and mobile applications (UI/UX) using HTML5/CSS3, W3.CSS, Bootstrap, JavaScript, XML, Xamarin, etc.
• Familiarity with various operating systems (Linux, Mac OS, Windows)
• Hands-on experience in software development and agile methodologies
• Proficiency in relational databases like SQL Server and Oracle. Knowledge of cloud technologies (AWS, Azure, Google cloud), container and virtualization will be a big plus.
• Familiarity with Continuous integration (Azure DevOps/Jenkins/Hudson) and version control (GitHub, SVN). Knowledge of modern frameworks and design patterns, and test automation tools for Unit and Performance testing.
• Experience creating secure RESTful web services in XML and JSON

You’re Awesome at:

• Excellent communication skills (Verbal & Written)
• Great understanding of JavaScript
• Excellent hands-on programming experience of NodeJS/Express/SailsJS
• Excellent hands-on programming experience of React/Angular/Meteor/VueJS
• Good understanding of RESTful API development
• Good knowledge of TDD (Test Driven Development)
• Good understanding of MongoDb/mysql/postgres
• Good understanding of AGILE - SCRUM
• Good understanding of GitHUB, SVN
• Experience with designing of overall architecture of the application
• Good understanding of Web Securities and how to implement in application
• Hand-on designing and implementing robust and scalable web service/api
• Hand-on application deployment and cloud platform such AWS/Heroku/GoogleCloud
• Understanding of the Software Development Life cycle

• Expertise in full stack tools Angular, SpringBoot, Node JS 
• Expertise on RDBMS and no SQL databases like Oracle, MS SQL, MySQL, Mongo DB 
• Understanding of microservices architecture 
• Good understanding of Agile practices and DevOps tools like Jenkins/Azure etc. 
• Zeal to drive solutions and results with a constant focus on business priorities and delivering business value. 
• Ability to learn new tools and technologies quickly and extend the knowledge with other team members. 
• Basic understanding of AI/ML and R / Python 
• Good written and verbal communication.