
Architect, develop and maintain highly scalable, reliable and secure distributed backend
systems on Cloud (AWS or Azure) or on-premises environments for its customers
and partners.
Work closely with your fellow engineers to develop systems capable of concurrently
processing massive amounts of voice data both in online real-time as well as offline
environments.
Drive accountability for test driven development, delivery of high-quality features and
resilient enterprise class solutions.
Lead a culture of team ownership and direct individual and team accountability to
continuously improve how they work to achieve results.
Work in a startup environment, pushing boundaries with deep involvement with business.
Requirements (what we are looking for)
The right person is better than the right set of experiences and these are the traits we’ve
identified make great additions to our team.
BE//BTech/ME/MTech in Computer Science or a related field from a Tier I or Tier II
University.
6-8 years of hands-on software development and deployment experience (experience of
working in a consumer product startup during its growth phase will be a plus) of which 1 – 2
years of experience would be in leading a team of software developers.
Expertise in Java 8+ and Spring Boot is a must
Good experience in messaging platforms like RabbitMQ/Kafka
Good experience in distributed systems and relational & NoSQL databases like PostgreSQL,
MySQL, Redis, MongoDB, etc.
Expertise in one or more of: Python, NodeJS, GoLang would be preferred
Must have hands on experience in products which handle multiple concurrent calls (API),
handle CPU intensive jobs, consist of multiple asynchronous system calls.
Worked on microservices based architecture and design
Managed/ Owned infrastructure on AWS/Microsoft Azure/private clouds and setup high
availability systems
Knowledge of Docker and Kubernetes
Knowledge of RESTful APIs, caching concepts, the HTTP protocol and general web
architecture

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Java Developer – Job Description
Wissen Technology is now hiring 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 consultancy.
Required Skills:
• Exp. - 2 to 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 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 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.
Responsibilities :
• Design, code, and implement highly scalable and reliable web-based applications.
• Coordinate with other team’s architect, engineers, and vendors, as necessary.
• Deliver on all phases of development work from initial kick-off, technical setup, application
development, and support.
• Identify exciting opportunities for adopting new technologies to solve existing needs and
predicting future challenges
• Perform ongoing refactoring of code, utilizing visualization and other techniques to fast-track
concepts, and delivering continuous improvement
• Work with product managers to prioritize features for ongoing sprints and managing a list of
technical requirements based on industry trends, new technologies, known defects, and issues
• Manage your own time, and work well both independently and as part of a team
• Quickly generate and update proof of concepts for testing and team feedback
• Embrace emerging standards while promoting best practices
Qualifications :
• Must have java experience
• Experience in computer science, computer engineering
• Web development work experience preferred
• Demonstrated experience in Agile development, application design, software development, and
testing
• Experience with building RESTful APIs
• Expertise in objected oriented analysis and design across a variety of platforms
• Thorough understanding of JSON, Web Service technologies, and data structure fundamentals
• Experience with adaptive and responsive development techniques
• Aptitude for learning and applying programming concepts
• Ability to effectively communicate with internal and external business partners
• Experience with a broad range of software languages and payments technologies is a plus.
Core Experience:
•Experience in Core Java, J2EE, Spring/Spring Boot, Hibernate, Spring REST, Linux, JUnit, Maven, Design Patterns.
• Sound knowledge of RDBMS like MySQL/Postgres, including schema design.
• Exposure to Linux environment.
• Exposure to Docker and Kubernetes.
• Basic Knowledge of Cloud Services of AWS, Azure, GCP cloud provider.
• Proficient in general programming, logic, problem solving, data structures & algorithms
• Good analytical, grasping and problem-solving skills.
Secondary Skills:
• Agile / Scrum Development Experience preferred.
• Comfortable working with a microservices architecture and familiarly with NoSql solutions.
• Experience in Test Driven Development.
• Excellent written and verbal communication skills.
• Hands-on skills in configuration of popular build tools, like Maven and Gradle
• Good knowledge of testing frameworks such as JUnit.
• Good knowledge of coding standards, source code organization and packaging/deploying.
• Good knowledge of current and emerging technologies and trends.
Job Responsibilities:
• Design, Development and Delivery of Java based enterprise-grade applications.
• Ensure best practices, quality and consistency within various design and development phases.
• Develop, test, implement and maintain application software working with established processes.
Work with QA and help them for test automation
• Work with Technical Writer and help them documenting the features you have developing.
Education and Experience:
• Bachelor’s / master’s degree in computer science or information technology or related field
Responsibilities:
- Define the code review process for the team to follow and perform code reviews.
- Design, implement, and maintain Java-based applications that can be high-volume and low-latency.
- Ensure application designs conform with business goals.
- Develop and test software & Identify and resolve any technical issues arising.
Required Skills:
- 7+ years of experience developing web applications using J2EE / Java.
- Possess knowledge and skills in software programming in Core Java, J2EE, Microservices-related technologies, Spring Boot, Spring MVC, Rest API, JavaScript, and XML.
- Experience developing enterprise-level web applications and RESTful APIs using Microservices.
- Excellent in design patterns, data structures & algorithms, and OOAD.
- Experience in working with the E-Government Projects/ CCTNS application.
Job Description:
Minimum 3+ years of experience
Java, OOPS, Data structure, Design Patterns, Multithreading, Spring, Hibernate, Java Script based technology, knowledge of J2EE, PL - SQL..
Core Java Topics including Language Features, Architecture.
OOP Concepts in depth with real time scenarios
Understandings of special Keywords and their applicability as well as advantages and
disadvantages - Like static, final, this, super etc. static should be in depth
Singleton class, Serialization, Cloning, Anonymous Inner class concepts.
In depth concept of Dynamic and static polymorphism & Multiple Inheritance issue/ resolve.
Concepts on String, Exception Handling, Array etc.
Java SE 8 and 9 Features: Functional Inheritance, Lambda Expression, default and static method
etc.
Collection Classes in detail along with the internal data structure and working principle.
Multithreading concept. Concept on ConcurrentHashMap etc.
Analysis of Algorithm - Time Complexity – Big O Calculation
Code Optimizing techniques, Different Algorithm designs and strategies.
Design patterns in Java
Different Sorting & Searching Algo with their Time complexity analysis
Problem solving using Hackerrank or similar sites, with focus on Arrays, Linked Lists, Hash Maps,
Trees, Balanced Trees, Stacks, Queues, Strings , Big Number , Data Structures, Object Oriented
Programming
Exception Handling – Advanced, Sorting, Search, Recursion, Graph Theory.
Note: Core Java + PL/SQL (Unix will be add on)
You will:
- Be actively involved in strategic direction and product decisions.
- Architect and design new services and features
- Be the go-to person for debugging performance issues on the platform and customer environments
- Dive deep into open source data engines and work on optimizing their performance.
- Design, build, and maintain low latency APIs.
- Mentor and guide the engineering team on best practices and software architecture
- Work closely with our customers and sales teams on a regular basis to carve out new features and use cases
- Develop services that will be consumed by frontend and solution engineers.
You need:
- 12+ years of strong development experience in one or more general programming languages. JVM (Java, Scala, Kotlin) or Golang
- Strong Computer Science fundamentals in data structures, algorithm design, and problem-solving.
- Strong distributed systems knowledge, and experience shipping enterprise software
- SQL mastery and overall experience working with Data storage and retrieval systems
- Organized, thorough, and detail-oriented
Good to have:
-
Contribution to open-source projects.
- Background in enterprise software
- JVM performance tuning and debugging
- Contribute in all phases of the development lifecycle all the way to production
- Write good design, testable, efficient code
- Support continuous improvement by investigating alternatives and technologies and presenting them for architectural review
- Ask questions! Ask and challenge with suggestions and idea
What Will Make You Successful
- Degree in computer sciences, coding, or a related field
- At least 4 years' experience in Java-based programming
- Significant coding skills in Java
- Significant experience with Spring, JPA, Hibernate, Elasticsearch frameworks
- Significant experience with SpringBoot related frameworks
- Significant experience with Kubernetes
- Significant experience with HELM charts
- Experience with Databases
- Experience with Linux
- Problem-solving and analytical abilities
- Experience with performance investigation and improvements
- Excellent written and verbal communication
- Ability to work with a team and independently
Java Developers are responsible for analyzing user requirements and business objectives, determining application features and functionality, and recommending changes to existing Java-based applications, among other duties.
Responsibilities :-
Designing and implementing Java-based applications.
Analyzing user requirements to inform application design.
Defining application objectives and functionality.
Developing and testing software.
Handled Database Queries, Oracle 10G
Debugging and resolving technical problems that arise.
Producing detailed design documentation.
Proficient in Spring, Hibernate
Developing multimedia applications.
Ensuring continuous professional self-development.
Should have worked in JSP, Servlet
Solid Understanding of MVC, Eclipse
Working Experience on Tomcat/Jboss
Requirements :-
Degree in Computer Science or related field.
Minimum 1.5 years of Experience with user interface design, database structures, and statistical
analyses.
Analytical mindset and good problem-solving skills.
Excellent written and verbal communication.
Good organizational skills.
Ability to work as part of a team.
Attention to detail.
Job Location – Ambala Cantt, Haryana
Salary as per market standards
4 to 12 years of experience in IT Industry with 3+ years of expereince in Java, microservices skills
o Minimum 8 years of overall experience in software development.
o Experience as a Lead developer .
o Experience with AWS,Architecture, Node js.








