Java Developer

JOB DESCRIPTION

Experience: 4-7 years

Location: Mumbai

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the 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. 

Required Skills:

• Exp. - 4-7 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Key Responsibilities

• Design, develop, and maintain scalable backend applications using Java and Spring Boot.
• Develop and maintain RESTful APIs following best practices.
• Implement API versioning strategies to support backward compatibility.
• Create and maintain API documentation using Swagger/OpenAPI.
• Implement Spring Transaction Management to ensure data integrity
• Use Spring Data JPA for database interactions and ORM mapping
• Write efficient SQL queries and optimize database performance
• Implement CQRS (Command Query Responsibility Segregation) where applicable.
• Develop systems based on event-driven architecture patterns.
• Write unit tests using JUnit and Mockito.
• Build and manage projects using Maven or Gradle build scripts.
• Use AI coding assistants such as Gemini Code Assist or similar tools to improve development efficiency.
• Participate in code reviews, design discussions, and architecture decisions.
• Collaborate with frontend teams, DevOps engineers, and product stakeholders.
• Strong problem-solving and debugging abilities
• Ability to design highly scalable backend systems
• Experience working in Agile/Scrum environments
• Good communication and collaboration skills
• Strong code quality and clean architecture mindset

Optional / Good to Have Skills

• Experience with Docker
• Knowledge of Kubernetes
• Experience with GraphQL API development
• Experience with cloud platforms (GCP / AWS / Azure)

Candidates from Supply Chain , Retail preferred

• 3+ years of Experience in software Design and development and familiar with technologies - Java, Java-J2EE, Spring Boot, Hibernate, Ajax, REST API, Micro services etc.
• Working knowledge of JVM internals
• Working knowledge of any database (MySQL or HSQLDB)
• Working knowledge of No-SQL database (Mongo or Dynamo DB)
• Working experience with messaging (JMS/RabbitMQ)
• R & D on new advanced cloud-based technologies in a test-driven agile development.
• Knowledge in designing and architecting systems with high scalability and performance requirements.
• Ability to understand infrastructure for performance evaluation and reporting of cloud-based services, namely AWS
• knowledge of key AWS services like EC2, S3, Lambda, CloudWatch etc.
• Certification on AWS Fundamendals
• Excellent communication skills
• ability to effectively articulate technical challenges and solutions
• skilled in interfacing with internal and external technical resources
• Good in debugging problems and mentoring teams on technical front

Java - SSE/ Senior Developer

Singapore

Company Profile: Nucleus Software has been providing Products and Services to various Global and Regional Financial institutions, from past 36 years. As a pioneer IT Service provider, Nucleus carry deep banking domain expertise and experience on latest technological trends. Nucleus’s developed platforms powers the operations of more than 150 institutions in 50 countries, supporting multiple business veritcals, accessible through Mobile and internet channels

JOB ROLE & RESPONSIBILITIES

• Develop & support application through all stages of the project life cycle, including Design, Construction, Testing support and Warranty support
  
  
• Having experience in Java 1.6 and above, JEE, Spring, Struts,microservices ORM and Oracle.
  
  
• Good understanding of Design Principles and Object-Oriented Programming
  
  
• Develop Low level design documents
  
  
• Responsible for Coding, Developing Test cases using Junits, Unit Testing
  
  
• Adhering the schedule and scope of the project
  
  
• Ensure to follow the Technology and Process standards set for the project
  
  
• Produce high quality technical delivering for the customer
  
  
• Interact with project lead to review technical deliverables
  
  
  

Key deliverables

• Design and Develop Programs with high quality and agreed processes, within the planned schedule
  
  
• Review Unit Test Cases with Project Lead
  
  
• Design, Develop and Unit Test
  
  
• Technical Design documents (LLD)
  
  
• Support throughout testing, implementation and warranty phases
  
  

Desired for the Position:

• Hands on experience in Designing and Developing web applications using Java EE platforms (Spring, Struts, EJB), ORM and Oracle Database)
  
  
• Strong background of Object-oriented analysis and design using common design patterns
  
  
• Profound insight of Java and JEE internals (Class loading, Memory Management, Transaction management etc)
  
  
• Good knowledge of Relational Databases (Oracle) and PL/SQL
  
  
• Carries good analytical and communication skills

Location: Base: Chennai , Bangalore and Noida, Projects-Singapore

Package: upto 17 L

Experience: 5 yrs

• Analyze highly complex business requirements;
• generate technical specifications to design or redesign complex software components and applications;
• Acts as an expert technical resource for modeling, simulation and analysis efforts;
• Adapt to change quickly and adjust work accordingly in a positive manner;
• Be flexible and thrive in an evolving environment;
• Individual contributor to build the application for e-commerce platform;
• Assures quality, security and compliance requirements are met for supported areas;
• Working in cloud data stores to include S3, DynamoDB and/or Amazon RDS;
• Perform test automation in a test-driven development environment;
• Implement DevOps concepts, tools and continuous delivery pipelines - Bamboo, Jenkins, Maven, Bitbucket, Jira, etc;
• Implement instrumentation to gather business-specific metrics around consumer usage patterns;

Responsibilities for Staff Engineer role:

• Having experience in Java along with Springboot, Micorservices, RDBMS
• Experience required: 6yrs to 8 yrs.

Responsibilities

• Use your skills in OOP, OOAD, and testing to design and develop robust and scalable software.
• Work in a fast-paced environment with a focus on writing production-quality code and tests.
• Maintain minimal yet essential engineering documentation to complement the product.
• Collaborate with engineers and product teams as part of Agile delivery.
• Participate in code reviews and release cycles with an ownership attitude.

Requirements

• Strong at problem-solving using Java 8 and above.
• General understanding of SDLC using agile methodologies iterative development.
• Basic skills in HTML, CSS, and JavaScript are desired.
• Hands-on knowledge of using Spring Boot or Quarkus for building Microservices or API driven solutions.
• Knowledge of SQL and experience in using any RDBMS like MySQL, PostgreSQL.
• Understanding or exposure to Cloud-Native development using AWS is an added advantage.

Profile: Java developer (2-4 years) - Noida

MUST Have: Core Java, data structure

NP: Immediate to 30 Days

Salary : Upto 9 LPA

MUST Haves: Java 1.8, Core Java, Data structure

Requirements:

• Java 1.8 version with Collections, Multithreading working knowledge –(Mandatory)
• Data Structures, BPM-Alfresco & Groovy 

https://www.oziva.in/">OZiva is India's leading clean, plant based nutrition brand, combining modern science and ancient Ayurveda. We aim towards driving the paradigm shift from curative health care to preventive healthcare by focusing on the two fundamental pillars of fitness - nutrition and exercise.

OZiva is a startup founded by IIT, INSEAD and Mumbai University alumni with an existing vision to help people lead a healthier and better lifestyle.

We run a powerful, high impact, fast paced operation with cutting edge technology and good old-fashioned passion for making people healthier and fitter.

• Work with product managers to understand product requirements and make them live.
• Ownership of end to end development

• Startup mindset of getting things done and focussing on business goals
• Proven problem solving skills
• 3+ years Hands on experience in designing and developing applications using server side technology (Java, Spring Boot / Node.js, Express)
• Excellent knowledge of Relational Databases, SQL and ORM technologies
• Good knowledge of design patterns
• Proficiency in REST architecture
• Experience with test-driven development
• Experience with Git/CI/CD/Gradle/Maven
• Inclination towards writing quality and performant code

• Experience in Agile development
• Performance tuning, testing, refactoring and automation
• Experience working with AWS Cloud and Devops technologies (terraform , cloudformation, ansible)
• Experience running a production environment

• Proven hands-on Software Development experience
• Proven working experience in Java development

• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
• Experience in the Spring boot , hibernate Framework