

Strong competencies in data structures and algorithms.
Optimizing algorithm and code for performance or memory.
Familiarity with Linux/UNIX tools.
Engineers from Tier 1 college

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Hello Everyone,
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. - 5 to 14 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 clientfacing 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 hassuccessfully 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.
● Complete ownership of the components that one works on - starting from
architecture design to monitoring metrics post deployment
Strong bias for action with a problem solving mindset. Meeting current
requirements or resolving issues while keeping bigger picture in mind.
● Thinking big while designing components. Keeping in mind that if we build our
current version for x users, it will be 10x within a year & 100x within 1.5 years
hands on experience in software development with excellent
problem-solving skills.
● Hands on experience on building highly-available, scalable systems.
● Expertise in Java with data structures, algorithms, spring, hibernate skills.
● Knowledge of NoSQL, MongoDB, caching data stores, queuing and search.
● Proficiency in computer science fundamentals: Object oriented design, data
structures, algorithm design, and complexity analysis.
● Good with the design patterns and architecture solution to large scale
applications.
● Nice to have: Cassandra, Kafka, Aerospike development experience with highly
scalable and performant software systems.
We are looking "Java Developer" for Reputed Client @ Coimbatore Permanent Role.
• Experience of more than 3 years in JAVA development is mandatory
• Ability to Design, Develop and Build JAVA web applications and conduct
• Software Analysis, Programming, testing and Debugging.
• Good Analytical & Problem solving skills
• Should be a team player and able to lead teams of smaller sizes.
• Provide timely update to Management on on-going development
• Back-end Developer.
Mandatory Skills:
• Core JAVA
• At least 1 Web frameworks (e.g., Struts and Spring)
• Service-oriented architecture/web services (SOAP/REST)
• Object-oriented programming (OOP) concepts and patterns.
• Eclipse IDE
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.


- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/ B.E. /M. Tech/ BCA / MCA or a related technical discipline from reputed universities
Skills Required :
- Minimum 2+ years of experience in REST API development using python.
- Must have experience with anyone popular python frameworks like Django, Flask, and FastAPI Framework.
- Experience in designing and developing Restful Web services and Remote procedure calls.
- Able to integrate multiple data sources and databases into one system
- Knowledge of load testing and optimizing code for performance, security, and scalability
- Experience with Unit testing frameworks in Python
- Knowledge of modern authorization & authentication mechanisms.
- Able to create database schemes that represent and support business processes
- Knowledge of Version Control System & basics of CI/CD
- Write and maintain technical documentation
- Solid foundation in OOPS, Data structures, and Algorithms
- Knowledge of SDLC phases of project development.
- Experience in one or more No SQL Databases such as MongoDB, and Cassandra.
- Experience with event-based databases and programming
- Good experience in synchronous programming and thread-based programming.
- Experience with schedulers.
- Good to have knowledge of Linux shell commands.
- Good to have experience in Kubernetes & Docker
- Knowledge of any Cloud Service like GCP or AWS would be an added advantage
- Cares deeply about writing Quality, Testable & Modular code
- Good to have an understanding of NLP.


Job Responsibilities:
• Design and build efficient, scalable systems that are used by millions of people,
• Own what you build as you create, test, and refine what’s under the hood of our pages and services,
• Investigate production issues pertaining to customer features to determine root cause and implement solutions,
• Investigate existing queries and write new queries with performance optimization in mind,
• Build well-designed software in a way that is generic, reusable, and easily extensible, as well as solves the business needs and requirements,
• Collaborate with product managers, designers, and software engineers to ensure design vision is maintained, the final markup is standards compliant, and UI deliverables are completed on time,
• Work with the real-time feedback from our users (external and internal) to make the products better,
• Discover, design, develop, deploy, debug. Repeat!
Requirements:
• 1-2 years of experience,
• Proficiency in web scripting programming with PHP,
• Experience with MySQL Databases,
• Top-notch programming skills in JavaScript and a strong understanding of web fundamentals,
• Design, build and maintain high performance, scalable and secure code,
• Experience with cloud services like AWS is plus,
• Experience with MVC architecture is a plus,
• Knowledge / experience in building an API,
• Solid understanding of the foundations of security and best practices,
• Good grasp of data structures and algorithms,
• Excellent problem-solving skills,
• Take ownership of the backend services, ensure the best possible performance, quality and responsiveness, as well as maintaining code quality, organisation and testing/deployment,
• Passionate about technology and willing to develop expertise in an emerging field,
• Strong organisational and communication skills, team player.
Perquisites & Benefits:
• A competitive salary,
• Opportunity to be part of a diverse working environment, valuable social sector work experience,
• Fun, casual, relaxed and flexible work environment.
• Exposure to Cloud
• Versatile in choosing appropriate tools and frameworks for the Core and advance java development procedures.
• Good in Spring Boot and latest java methodologies to suggest best practices and proven solutions to the business.
• Expert in service oriented solutions and micro services architecture (REST). Should have been a part of monolithic to micro services rearchitecture.
• Exposure towards No-Sql databases such as Cassandra or Mongo DB.
Responsibilities:
- Develop backend systems for our first product
- Build reliable, secure and performant backend systems
- Drive test coverage and continuous delivery automation within the team
- Mentor and provide feedback to teammates
Requirements:
- 5+ years of software development experience
- Strong computer science fundamentals
- Deep and wide knowledge of Java ecosystem
- Can write code that is readable, maintainable, secure and performant
- Know the importance of tests and how to approach writing different types of tests
- Good intuition for REST API design
- Deep understanding of relational databases, transactions, entity-relationship modeling
- Comfortable writing highly concurrent systems
- Experienced in using profilers, tuning garbage collection, optimizing SQL queries
Bonus:
- Understanding of domain-driven design concepts like ubiquitous language, bounded contexts, aggregates and domain events
- Know how to use test driven development as a design tool
- Good intuition for the principles underlying object-orientation, particularly encapsulation
- Understand the importance of immutability and of reducing the state-space of objects
- Know how to refactor large codebases safely
- Seek to identify key underlying ideas and use those as building blocks before reaching for shiny new tools
- Strong hands on in Core Java, OOPS, Exception handling, Multi-Threading, Generics and design patterns.
- Proficient in designing and developing web applications using Java/JEE
- Working experience in Spring Boot, Spring Integration and REST Web services
- Exposure to UI technologies/frameworks like JavaScript, React JS , Flux and knowledge of CSS, HTML etc
- Build tools like Maven.
- Should possess good communication skills and a go getter attitude.
- Good in debugging code through eclipse and browsers
- Should be capable to work independently. Desirable
- Experience in any Continuous Integration/Delivery tools like GIT, Docker, Jenkins, Ansible
- Working knowledge of database like Oracle and application server like Tomcat, WebLogic.
- Knowledge of Linux
- Exposure to any test automation technologies such as Selenium, Fitnesse, Mockito, Junit, any other testing frameworks
- Candidate must to have exposure to working in a fast-paced environment using Agile methodologies
- A person with technical thrust who keeps him up to date with latest technology trends, practices, patterns etc. Knowledge of Open Source tools and technologies

