Full-Stack Developer ([email protected])

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

Lead Java Developer (Spring Boot)

Job Type: Full-Time

Location: Bangalore / Hyderabad / Pune / Chennai 

Work Mode: Hybrid

Experience: 6+ Years

Key Responsibilities:

Lead the design and development of scalable backend applications using Java (Spring Boot).

Mentor and guide a team of developers to ensure high-quality deliverables.

Take ownership of solution architecture, coding standards, and design patterns.

Develop and manage RESTful APIs and integrate third-party services.

Collaborate with front-end teams, QA, and stakeholders to align technical implementation with business goals.

Oversee deployments in hybrid cloud environments in coordination with DevOps teams.

Conduct code reviews, lead design discussions, and manage agile development processes (Scrum/Kanban).

Monitor application performance and drive improvements proactively.

Troubleshoot and resolve complex software issues across systems and services.

Required Skills:

8+ years of professional experience in Java development, with at least 2 years in a lead role.

Strong hands-on expertise in Spring Boot and microservices architecture.

Working knowledge of Node.js and JavaScript/TypeScript.

Experience with REST APIs, SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB).

Familiar with CI/CD pipelines, Git, and modern DevOps practices.

Proven ability to lead distributed teams and manage deliverables in a remote/hybrid work setup.

Strong communication, leadership, and problem-solving skills.

JD of Java Full Stack Developer:-

  Java 8 / java 11

o Strong on OOPS concepts / not theoretically, should be able to analyze the outcome of a code snippet and also should have an ability to write code during the interview

o Should be well versed with the key features of Java 8 / Java 11

o Some of the concepts to mentions would be

§ Upcasting / downcasting  / exception handling

  JUNIT5 – Mockito / PowerMock

  JPA & Hibernate

o Should be well versed with Java persistence and key concepts, to mention a few as below

o First level cache

o Second level cache

o N+1 problem

  Microservices

o Should be well versed with the design patterns, to mention few such as

§ Aggregator

§ Circuit breaker

§ CQRS

o Should be able to explain a micro-service for CURD operations with spring boot

o Should be well versed with the HTTP codes

  Splunk / Kibana

·         Frontend tools:- Angular/React/Nodejs.

• understanding of the front-end and back-end processes;
• ability to work with HTML / CSS;
• ability to work with databases;
• understanding of programming templates and architecture design guidelines;
• profiling and optimizing applications.

• 3+ years of extensive experience in developing the Single Page Application with Web responsive design for mobile and web using Angularjs or Nodejs / React JS, HTML 5, CSS 3 and Bootstrap.
• Thorough understanding of React.js and its core principles.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Experience with common front-end development tools such as Babel, Webpack, NPM, yarn, etc.
• Node JS & software engineering experience
• Familiarity with newer specifications of EcmaScript (ES6)
• Knowledge of AWS services like Lambda, RDS and Dynamo
• Understanding of non-relational databases such as CouchDB and MongoDB
• Working experience with MySQL

No physical presence required for interview...All the process from interview to selection will be online…

Key Skills:

• Java, Java EE, Spring Boot, Hibernate, REST, Angular Js(2/4/5/6/7).

Job Summary:

• JAVA Developer Analyse Design and Develop Applications
• Must-Have experience in Java, J2EE, Webservices using SOAP, SPRINGS, HIBERNATE, Web Technologies, Rest full services etc.
• Experienced in client-side scripting and JavaScript frameworks, including Angular 2/4/5/6/7, jQuery, Css3, Bootstrap, HTML.
• Hands-on experience in Maven.
• Experience in Agile Development methodologies.
• Strong logical and reasoning skills with keen self-learning.
• Good in Logic
• You should be comfortable working in a team and have good communication skills.

Responsibilities:

• Write, clean, well-designed code, testable, efficient code.
• Must have a real-time exposure with object-oriented programming in Java, J2EE.
• Real-time exposure in Spring, Spring Boot, Hibernate framework, Angular Js(2/4/5/6/7).
• Collaborate with internal teams to identify system requirements.

Contact Person:- Naveen Kumar.