
Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Job Summary:
We are looking for an experienced Java Developer with 4+years of hands-on experience to join our dynamic team. The ideal candidate will have a strong background in Java development, problem-solving skills, and the ability to work independently as well as part of a team. You will be responsible for designing, developing, and maintaining high-performance and scalable applications.
Key Responsibilities:
- Design, develop, test, and maintain Java-based applications.
- Write well-designed, efficient, and testable code following best software development practices.
- Troubleshoot and resolve technical issues during development and production support.
- Collaborate with cross-functional teams including QA, DevOps, and Product teams.
- Participate in code reviews and provide constructive feedback.
- Maintain proper documentation for code, processes, and configurations.
- Support deployment and post-deployment monitoring during night shift hours.
Required Skills:
- Strong programming skills in Java 8 or above.
- Experience with Spring Framework (Spring Boot, Spring MVC, etc.).
- Proficiency in RESTful APIs, Microservices Architecture, and Web Services.
- Familiarity with SQL and relational databases like MySQL, PostgreSQL, or Oracle.
- Hands-on experience with version control systems like Git.
- Understanding of Agile methodologies.
- Experience with build tools like Maven/Gradle.
- Knowledge of unit testing frameworks (JUnit/TestNG).
Preferred Skills (Good to Have):
- Experience with cloud platforms (AWS, Azure, or GCP).
- Familiarity with CI/CD pipelines.
- Basic understanding of frontend technologies like JavaScript, HTML, CSS.
Responsibilities
- Participate in requirements analysis
- Collaborate with internal teams to produce software design and architecture
- Write clean, scalable code using .NET programming languages
- Test and deploy applications and systems
- Revise, update, refactor and debug code
- Improve existing software
- Develop documentation throughout the software development life cycle (SDLC)
- Serve as an expert on applications and provide technical support
Requirements and skills
- Proven experience as a .NET Developer or https://resources.workable.com/application-developer-job-description" target="_blank">Application Developer
- Familiarity with the ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC))
- Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3
- Familiarity with architecture styles/APIs (REST, RPC)
- Understanding of Agile methodologies
- Excellent troubleshooting and communication skills
- Attention to detail
- BSc/BA in Computer Science, Engineering or a related field
Design, build, and maintain efficient, reusable, and reliable Python services &components
Ensure the best possible performance, quality, and security
Identify bottlenecks and bugs, and devise solutions to these problems
Help maintain code quality, organization
Understanding of established software development life cycles
Ability to prioritize and multi-task in order to meet deadlines
Resolves technical issues through debugging, research and investigation
Collaborate across various teams and with external clients
Contribute innovative designs and ideas for improving our company products and services
Required Skills Sets
Atleast 4+ years of experience in Design and Development with Python.
Experience in Flask / Django
Familiar with version control (Git)
Understanding of SQL
Strong Unit Testing practice
Understanding of design patterns, Microservices Architecture
Understanding of Scrum Agile methodology
Experience in data engineering & Docker is a plus.
Candidate Profile:
4+ Years of relevant experience with Python and its Principles.
Graduate in Computer Science or any related discipline (like BS / B.E. / B-Tech in Electronics,
Electrical, IT)
Required Skills: Angular 11/12, .NET framework, .NET Core, Web APIs, Web Security,
Microservices, Event driven architecture, Clean Code and 12 Factor principles, Azure
PaaS services experience, public facing web application development, web analytics,
Bootstrap v5, Angular Material, jQuery, HTML/CSS, SQL Server, Transact-SQL, Azure
SQL
Experience working with software design, software development life cycle, and
development methodologies and implementation
Experience working with product systems design principles
Experience working with appropriate programming languages, operating systems,
hardware and software
Experience working with company application development policies and procedures
Experience working with company software and hardware products and related
business issues that may impact overall business plans
- 5+ years of software development experience in Java 8+ and Microservices.
- Experience in developing micro services. Experience in developing High Cohesion & Loosely Coupled Micro Services.
- Experienced in skills of requirement, analysis, design, develop, Java, springboot, microservices, rest api, AWS, lambda, EC2, Jenkins, design pattern, spring security, splunk, auth, docker, SOLID
- Hands on experience on Microservices Architecture.
- Should have excellent acumen in Data Structures, algorithms, problem-solving and Logical/Analytical skills. Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
- Experience with Multithreading, Concurrent Package and Concurrent APIs
- Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
- Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
- Hands-on experience with Message Broker like Kafka/Rabbitmq or other. Hands-on experience in creating RESTful webservices and consuming web services. Hands-on experience with spring Cloud/Spring Boot.
- Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
- Experience of writing Junit test cases using Mockito / Powermock frameworks. Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
- Hands on experience on Cloud deployment/development like AWS/Azure/GCP.
- Good communication skills and ability to work with global teams to define and deliver on projects. Sound understanding/experience in software development process, test-driven development.
Benefits of Working Here:
- Gender Neutral /Diversified Culture
- 51 Leaves annually
- Insurance covered for family
- Incentives, Bonus
- Permanent WFH Option
- Generous parental leave and new parent transition program
- Flexible work arrangements
Roles and Responsibilities
Experience in full cycle implementation of software development projects using .NET 4.0 and above, C#, ADO.NET, ASP.NET, MVC / .Net Core
Experience in developing of Web API and RESTful web services. Experienced with client-side programming HTML, CSS, AJAX.
Experience with Entity frameworks and Dappers Programming skills on SQL Server with strong database design.
Desired Candidate Profile
1+ years of software development experience .Net Development, C#, ASP.Net MVC
Dot Net core expertise is a must
Strong working knowledge of SQL Server, C#, JavaScript and JQuery
Strong working knowledge of .NET MVC LATEST VERSION
Strong working knowledge of ENTITY FRAMEWORK
Excellent written and verbal interpersonal skills for coordinating across teams
Deep experience and expertise with designing, implementing, testing and deploying sophisticated .Net applications
Keenness to learn and master new technologies and techniques
Excellent software development skills with very sound logic
- Perform full life cycle software development
- Test and evaluate the technical aspects of every decision
- Review codes and assess code quality
- Provide timely solutions to issues
- Develop a server-side code for high-volume web-based applications
- Create and develop web user interfaces with Web API as back-end
- Implement analytics and monitoring routines
- Knows how to SQL queries for the requirements & Stored Procedure / Entity framework
- 2-3 Experience with and good knowledge of C, C++, C# and database technology .
- 2+ years of experience with .NET MVC and web-based development
- Experience with ASP.NET MVC, jQuery, Web API, Restful Service
- Experience on Angular will be preferred
Greetings from Amazon...!
It is our pleasure in personally inviting you to apply job with Amazon Development Centre India (ADCI). At Amazon we are inclined to hire people with passion for technology and you happened to be one of the shortlisted candidates. Our business is committed to recognizing potential and creating teams that embrace innovation.
Please find the Eligible criteria and requirements:
Job title : SDE – II (Software Development Engineer)
Role Opportunity : Permanent/Full Time/FTE/Regular
Work Location : Hyderabad/Bangalore/ Gurgaon
Must Have
- Strong Exposure to Data Structures, Algorithms, Coding, System Design (LLD, HLD, OOAD), Distributed systems, problem solving skills, Architecture (MVC/Microservices), logical thinking.
Amazon (ADCI) - If you are looking for an opportunity to solve deep technical problems and build innovative solutions in a fast paced environment working with smart, passionate software developers, this might be the role for you. Amazon’s transportation systems get millions of packages to customers worldwide faster and cheaper while providing world class customer experience – from checkout to shipment tracking to delivery. Our software systems include services that handle thousands or requests per second, make business decisions impacting billions of dollars a year, integrate with a network of small and large carriers worldwide, manage business rules for millions of unique products, and improve experience for millions of online shoppers. With rapid expansion into new geographies, innovations in supply chain, delivery models and customer experience, increasingly complex transportation network, ever expanding selection of products and growing number of shipments worldwide, we have an opportunity to build software that scales the business, leads the industry through innovation and delights millions of customers worldwide.
As an SDE, you will develop a deep understanding of our business, work closely with development teams and own the architecture and end-to-end delivery of software components.
About Amazon India:
Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.
We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched http://www.amazon.in">www.amazon.in for shoppers in India. With http://www.amazon.in">www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to over 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.
We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India. Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.
Basic Qualifications:
- 3+ years’ experience building successful production software systems
- A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field)
- The ability to take convert raw requirements into good design while exploring technical feasibility tradeoffs
- Expertise in System design (design patterns, LLD, HLD, Solid principle, OOAD, Distributed systems etc..), Architecture (MVC/Micro services).
- Good understanding of at least some of the modern programming languages (Java) and open-source technologies (C++, Python, Scala, C#, PHP, Ruby etc..)
- Excellence in technical communication
- Has experience in mentoring other software developers
Preferred Qualifications:
- BS/MS in Computer Science or equivalent
- Experience developing service oriented architectures and an understanding of design for scalability, performance and reliability
- Demonstrated ability to mentor other software developers to maintain architectural vision and software quality
- Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment
- Expertise in delivering high-quality, innovative application
- Strong desire to build, sense of ownership, urgency, and drive
- Strong organizational and problem solving skills with great attention to detail
- Ability to triage issues, react well to changes, work with teams and ability to multi-task on multiple products and projects.
- Experience building highly scalable, high availability services
- The ideal candidate will be a visionary leader, builder and operator.
- He/she should have experience leading or contributing to multiple simultaneous product development efforts and initiatives.
- He/she needs to balance technical leadership with strong business judgment to make the right decisions about technology choices.
- He/she needs to be constantly striving for simplicity, and at the same time demonstrate significant creativity, innovation and judgment
- Proficiency in, at least, one modern programming language.
- Experience in SQL or Non-SQL database.
- Strong sense of ownership, urgency, and drive.
- Demonstrated leadership abilities in an engineering environment in driving operational excellence and best practices.
- Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
- Excellent communication, collaboration, reporting, analytical and problem solving skills.
Good to Have:
- Knowledge of professional software engineering practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
- Experience with enterprise-wide systems
- Experience influencing software engineers best practices within your team
- Hands-on expertise in many disparate technologies, typically ranging from front-end user interfaces through to back-end systems and all points in between
- Strong written and verbal communication skills preferred
Key Points to remember:
- Strong knowledge of the Software Development Life Cycle methodology
- Technical design, development and implementation decisions on the use of technology in area(s) of specialization.
- Write or modify programming code to suit customer's needs.
- Unit test to assure meets requirements, including integration test as needed.
- Ability to understand and analyze issues and uses judgment to make decisions.
- Strong problem solving & troubleshooting skills
- Strong communication skills
- Responsible for self-development according to professional development plan
Day to Day Responsibilities:
1. Develop Django based RESTful APIs and WebSockets
2. Manage and mentor the junior and intern developers to deliver the project requirements in the given timeline
3. Carry out Database Modelling and Designing
4. Make DFDs, ER diagrams, etc.
5. Integrate Python APIs/endpoints to other Python outputs (JSON, etc.)
6. Work with clean code writing practices and structure the code for collaborated development
7. Analyze different use-cases and coming up with creative solutions
8. Build reusable components and back-end libraries for future use
9. Participate in daily scrums
10. Work on responsive web development
11. Work with the team to manage, optimize, and customize multiple web applications
12. Learn and work using new technologies
13. Work on being involved and participate in the overall application lifecycle
14. Work with a focus on coding and debugging
15. Collaborate with front-end developers
- You will design, build and own APIs and Services, which will be the core of the product.
- You will participate in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- You will part of developing ideas for new programs, products, or features by monitoring industry developments and trends.
- You will have to take lead on projects, compile and analyze data, processes, and codes to troubleshoot problems and identify areas of improvement.
REQUIREMENTS
- 3-5 years of experience in building highly scalable backend systems.
- Fluency or understanding of specific languages, such as JAVA, Operating System may be required, and Experience in Databases such as MySQL or Postgre SQL
- Strong understanding of Computer Science Fundamentals, Data Structures and Algorithms, SOLID Design Principles, and REST Patterns.
- Focus on efficiency, user experience, and process improvement.
- Excellent project and time management skills.
- Strong problem-solving and communication skills.
- Ability to work independently or with a group










