Responsibilities
- Understand existing business operations tool used by customer support and business teams.
- Work with Engineering Manager to upgrade the system to improve system stability and response times.
- Independently lead design and implement new features as per business requirements provided by Product Management team.
- Develop elegant, modular and maintainable solutions. Document all design, operations steps for knowledge sharing purposes.
- Guide junior team members on feature implementation and provide relevant training on existing modules.
Must-know Technologies
- Java EE
- Java Server Facelets (JSF)
- Java Persistence API (JPA), Hibernate
- SQL
- HTML, CSS, JavaScript
- Payara/GlassFish/similar application server environments
Preferred Skills
- 2-8 years of overall experience in software design and development.
- Ability to analyze existing application, implement new features and re-architect the application in case of inefficiencies.
- Strong object-oriented skills and ability to apply design patterns.
- Experience mentoring junior engineers on development, code review, project planning.

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Java GS Java Developer – Job Description 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. - 2- 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. 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 Java GS 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
Job Role:
As a senior R&D Java Engineer, you will work in a highly collaborative, dynamic environment. Your work will impact a lot to make world bit safer place. You’ll design creative solutions to problems faced by companies due to cyber attacks. You will work closely with other partners such as product and pre-sales managers, UI developers, and other software engineers to develop new product offerings and improve the efficiency of the solution.
Responsibilities:
- Develop, modify, and implement, the software components of Nimesa Product.
- Assist QA Engineers with the creation and review of the test cases
- Write junits and test automation if anything required to have the coverage
- Assist other Engineers with the creation of detailed software design specifications.
- Keep an eye out for technology trends, and open-source projects that can be used.
Requirements:
- Bachelor's or Master's degree in computer science or relevant fields.
- At least 3+ years experience in end-end software development for large design and coordinating project teams in the SaaS industry.
- Software development experience with Java and Spring / Springboot, RabbitMQ, MYSQL etc
- Must have worked on fairly complex products from scratch
- Strong knowledge of data structure, multithreading and other comp science concepts (SQL or NoSQL)
- Excellent social and communication skills
- Demonstrated expertise in building Web Applications, Enterprise Applications, Web Services, and Management at scale is a requirement.
- Experience with Design patterns
- Knowledge of cloud-based architectures, deployment and operational aspects of Amazon Web Services cloud
Experience Required: 5 -10 yrs.
Job location: Sec-62, Noida
Work from office (Hybrid)
Development Platform: Backend Development- Java/J2EE, Struts, Spring, MySQL, OWASP
Job Brief:
Requirements:
· 5+ years of experience in developing distributed, multi-tier enterprise applications, APIs.
· Fully participated in several major product development cycles.
· Solid background in design, OOP, object, and data modelling.
· Deep working knowledge of Java, Struts,Spring, Relational Database.
· Experience in design and implementation of service interface and public APIs.
· Actively involved/writing codes in current project.
· Development knowledge and experience of working with AWS, Azure etc. will be an added plus.
· Clear Understanding and Hands on experience on OWASP Top 10 Vulnerability standards like XSS, CSRF, SQL injection, session hijacking, and authorization bypass vulnerabilities.
· Find and resolve the security concerns on the product/application.
· Good Documentation, reporting, Strong communication, and collaboration skills with various levels of executives from top management to technical team members across the organization.
· Strong self-starter who can operate independently.
Job Description
We are looking for a developer to help maintain the existing Java applications, and to guide development of the next generation tools. The right individual for this role must be capable of building applications in Java, using modern architectures. Should be hands on in Object Oriented Languages (Java, C# and Go), Cloud Based Technologies (AWS, DevOps and Serverless), Front End Frameworks (Angular, React JS, Spring Boot, Spring React, Node.js), Cutting Edge Data Tools (Python, Spark, Machine Learning) and Next Generation technologies (AI, Blockchain) etc. You should be comfortable with application coding based on design and specifications, and also be comfortable working with application protocols such as JSON RPC, SOAP, and REST. The candidate must be a top-notch Java developer committed to becoming an integral part of and fostering growth within our development team.
Primary Responsibilities:
- Working with the architects and development lead, documents and develops best practices for development, and deployment of applications, and works with members to foster growth within the team.
- Develop user interface components and implementing them following well-known React.js workflows (such as Flux or Redux)
- Predicts application development requirements based on changes in underlying architecture
- Either individually or leading a team of resources, determines hardware/software systems requirements and leads systems hardware/software design. Analyzes, designs, programs, debugs, supports, and modifies software enhancements and/or new products used in local, networked, or Internet-related computer programs.
- Partners with the IT Architect during the initial stages of the project/solution to ensure the accuracy of business cases and that the solution will meet the business need.
- Completes documentation and procedures for installation and maintenance. May interact with users to define system requirements and/or necessary modifications.
Qualifications
- 5+ years of Java development experience, ideally in a team lead role
- High level skills in Java, (preferably java 1.8 – knows to write lambda expression, understands functions etc), using the latest SDKs and tools and frameworks such as Spring boot, spring JDBC, Spring test, spring security, RxJava, etc of Java
- Experience interfacing with back-end applications using MQ, SOAP, RESTFUL services, and JSON. - Worked on at least one of JaxRs implementations.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Understands database concepts – proficient in writing relational database queries – Oracle
- Ability to develop functional, technical and user interface designs for an application that meets the defined requirements (business, system performance and standards)
- Demonstrates deep expertise in specific coding concepts and/or languages, especially around modern application architectures.
- Experience with web applications that use responsive design to better support mobile browsers.
- Experience in highly-secured online environments that use n-tier designs and extensive fire walling to enhance security.
- Experience in multi data center physical implementation models for scalability and resilience.
- Experience partnering with others to solve problems quickly and efficiently.
Skills Required:
- Must-Have: Java, Spring/spring-boot, Data structure, Algorithm
- Any 2 (Must) out of the below-mentioned list :
a. JPA/Hibernate
b. Messaging queue/Kafka/SQS/distributed message/SNS/JMS
c. NoSQL/Aerospike/Reddis/Cassandra
d. Microservices
Roles and Responsibilities:
- Technical design, implementation, deployment, and support.
- Partner with Business Analysts to review and implement business requirements.
- Perform development and unit testing, working closely with Business.
- Mentors and oversees the development of resources, including reviewing designs and performing code reviews.
- Ensure designs are in compliance with specifications
- Contribute to all phases of the development lifecycle
- Developing high-volume, low-latency applications for mission-critical systems and delivering high availability and performance
- Should have experience of working on Core Java/J2EE & OOPS concept
- Should be well versed with Spring/Struts & Apache Camel (OSGI Framework)
- Should have a good understanding of Hibernate and Other ORMs
- Should have an understanding of working on Web Service (SOAP/REST) and Maven
- Build tools such as Jenkins
- Caching Technique(Radis, Hazlecast, Aerospike)
- Database Knowledge - Oracle, MySQL
- JAVA Microservices with AWS needed
- Provide solution architecture & design involving Cloud and DevOps
- Develop new microservices in a cloud-native way.
- Ensure the unit testing and code coverage are achieved as per the agreed percentage.
- Build reusable code and libraries for future use.
- Optimize application for maximum performance and scalability.
- Collaborate, and coordinate with team members and key stakeholders.
- Communicate effectively with different stakeholders.
- Ensure best practices & standards are followed during SDLC.
- Takes ownership of the whole solution from a technical perspective and ensures adherence to defined Architecture & Design.
- Ensures the latest technology standards, and guidelines are utilized for development.
- Performs consistent & adequate code reviews & feedback to the team.
- Training and induction of new resources on the projects.
Skills and Qualifications
- Deep understanding of OOPs and OOAD.
- Expert and hands-on in Java JEE and Spring framework, Spring Boot.
- Should have experience with RESTful web services and API standards.
- Should know various integration patterns in distributed environments.
- Working knowledge of microservice architecture and different design patterns.
- Hands-on in writing unit tests with Mockito and code coverage tools.
- Hands-on data modeling (Logical physical).
- Knowledge of RDBMS, SQL and any ORM framework (JPA, Hibernate etc.)
- Should know Event-driven and asynchronous programming using message broker.
- Should know about cloud IaaS, PaaS, SaaS and Serverless models of any cloud provider (AWS, Azure, GCP), preferably AWS.
- Knowledge of JavaScript frameworks like NodeJS (For the Backend) and Angular React (For Frontend) will be added advantage.
- Good to have DevOps related technologies like Container (Docker), Container Orchestrator (Kubernetes EKS)
- Excellent in communication
Writing well-designed, efficient, and testable code.
Delivering high availability and performance.
Contributing in all phases of the development lifecycle.










