
Your Responsibilities:
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Write maintainable/scalable/
efficient code. -
Design and architect technical solutions for the business problems of a very large e-commerce portal.
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Work in a cross-functional team, collaborating with peers during the entire SDLC.
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Follow coding standards, unit-testing, code reviews etc.
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Follow release cycles and commitment to deadlines.
Desired Skills and Experience:
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Experience level of 3 to 12 years of experience in very large scale applications.
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Strong problem solving skills, data structures and algorithms.
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Experience with distributed systems handling large amounts of data.
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Excellent coding skills in Java/J2EE.
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Very good understanding of Web Technologies.
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Very good understanding of any RDBMS and/or messaging.
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B Tech/BE in Computer Science or equivalent from a reputed college.

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 Description:
We are seeking a skilled Java Spring Boot Developer with 3-4 years of experience to join our dynamic team. The ideal candidate should have a strong background in developing scalable applications using Java Spring Boot framework, and proficiency in integrating various technologies including AWS services, Kafka messaging, Elasticsearch for indexing and search capabilities, and multiple databases such as MySQL, PostgreSQL, and MongoDB. Experience in designing and implementing RESTful APIs is essential for this role. Additionally, the candidate should have hands-on experience in developing microservices architectures.
Responsibilities:
- Design, develop, and deploy Java Spring Boot applications.
- Integrate applications with AWS services for storage, computation, and messaging.
- Implement Kafka for real-time data processing and communication.
- Utilize Elasticsearch for indexing and querying large datasets.
- Work with various databases including MySQL, PostgreSQL, and MongoDB.
- Develop and maintain RESTful APIs for seamless interaction between systems.
- Create robust test cases and test plans for REST APIs to ensure functionality, reliability, and performance.
- Design and implement microservices architectures to support scalable and resilient applications.
- Ensure high performance, security, and scalability of applications.
- Collaborate with cross-functional teams to define, design, and ship new features.
Requirements:
- Bachelor’s degree in Computer Science, Engineering, or related field.
- 3-4 years of experience in Java development with strong proficiency in Spring Boot framework.
- Hands-on experience with AWS cloud services (e.g., EC2, S3, Lambda, SQS).
- Proficiency in Kafka for building scalable and resilient real-time data pipelines.
- Experience with Elasticsearch for data indexing and search functionalities.
- Solid understanding of relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB).
- Familiarity with containerization technologies (Docker, Kubernetes) is a plus.
- Strong understanding of RESTful API design principles.
- Experience designing and implementing microservices architectures.
- Proven track record of delivering high-quality software in a fast-paced environment.
- Ability to create comprehensive test cases and test plans for REST APIs.
Roles and Responsibilities:
- Proven experience in Java 8, Spring Boot, Microservices and API
- Strong experience with Kafka, Kubernetes
- strong experience in using RDBMS (Mysql) and NoSQL.
- Experience working in Eclipse or Maven environments
- Hands-on experience in Unix and Shell scripting
- hands-on experience in fine-tuning application response and performance testing.
- experience in Web Services.
- Strong analysis and problem-solving skills
- Strong communication skills, both verbal and written
- Ability to work independently with limited supervision
- Proven ability to use own initiative to resolve issues
- Full ownership of projects and tasks
- Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines
- Eagerness to learn
- Strong team-working skills
We are looking for an experienced Lead Java Developer to join our team and take a leadership role in driving the design, development, and delivery of highquality software solutions. A Senior Java Lead Developer will be responsible for leading a team of developers, providing technical guidance, and ensuring the successful execution of projects. Should have a strong background in Java development, excellent leadership skills, and a track record of delivering complex software projects on time. System Architect: Should have Architect the system before for a large scale solution Understanding of various java design pattern and use the pattern which is more appropriate Understanding of various micro-service design pattern and use the pattern which is more appropriate Has worked on DDD with CQRS Has designed solution for multi tenant application. Technical skills: Used latest version of java and good understanding of it Skilled in spring boot, spring MVC Basic Skill: 10+ years of experience in development. Good communication skills in English. Testing: Skilled in using Junit Security: Good understanding of application security Understanding of DDOS and best practice for that Good understanding of rate limiting API Good understanding about spring security or any thing better Database: Great understanding of MySQL Experience in extensively using hibernate Debugging: Understanding about Logging Skilled in debugging production issue


Experience: 1-2 years
Qualification: BS/MS degree in Computer Science, Engineering.
Roles and Responsibilities:
- Be part of Requirement gathering sessions.
- Collaborate with internal teams to develop and deliver the assigned modules.
- Prepare and maintain code for various .Net applications and resolve any defects in the system.
- Provide technical support to assigned products.
Primary Key Skills:
- Strong background in object-oriented development techniques.
- Understanding of Software Development Life Cycle and Agile Methodologies.
- Excellent Problem Solving Skills.
- Excellent Communication Skills.
- Familiarity with the ASP.NET Framework, SQL Server, and design/ architectural patterns [e.g. Model-View-Controller (MVC)]
- Hands-on with Spring boot and Java coding. Core Java- Java 8/1.8.
- Experience should be with Springboot, Hibernate & Microservices
- Should be well versed with Microservices, OOPS, MVC Architecture, Web services & API development.
- Should be really strong in concepts and should be able to work independently
- Experience in web services connection
About the company- FPL Technologies
Credit cards haven't changed much for over half a century so our team of seasoned bankers, technologists, and designers set out to redefine the credit card for you - the consumer. The result is OneCard - a credit card reimagined for the mobile generation. OneCard is India's best metal credit card built with full-stack tech. It is backed by the principles of simplicity, transparency, and giving back control to the user.
The Engineering Challenge
“Re-imaging credit and payments from First Principles”
Payments is an interesting engineering challenge in itself with requirements of low latency, transactional guarantees, security, and high scalability. When we add credit and engagement into the mix, the challenge becomes even more interesting with underwriting and recommendation algorithms working on large data sets. We have eliminated the current call center, sales agent, and SMS-based processes with a mobile app that puts the customers in complete control. To stay agile, the entire stack is built on the cloud with modern technologies.
Check out our apps here:
OneCard (Best credit card app) : http://www.getonecard.app/">www.getonecard.app
OneScore (Over 10 million downloads): http://www.onescore.app/">www.onescore.app
JD- Senior Software Engineer – Backend
Opportunity:
Create a consumer facing credit card product that will be used by millions of users.
What you will do:
- Be a part of our backend for frontend/ credit card processing engineering teams to build the best homegrown credit card stack.
- Partner with the product teams to understand the product features and specifications, translate them into high level and low-level design.
- Work with frontend and backend developers to build out a customer-centric experience that will constantly evolve.
- Respond to support team tickets as needed to resolve bugs and issues.
- Participate in contributing ideas, updates, and product development areas to the team.
Experience Range:
5- 7 years with technical hands-on experience in building large-scale B2C applications catering to millions of users. Previous experience in building scalable products is a must.
Technical Expertise:
- Strong insight into Java programming language (Class loading, Memory Management, Transactions, Executors, Lambdas and Streams).
- Experience in distributed technologies, real-time, high throughput and low latency systems.
- Hands-on prior experience with scalable Cloud based architectures.
- Experience in one or more frameworks like Spring is a plus but not required.
- Proficiency in data structures & algorithms.
- Strong problem solving and analytical skills.
- Any experience in payments is a plus.

Job requirements
- A strong engineer with excellent Ruby experience working with Ruby on Rails
- Experience with Node.js
- Experience with SQL/nosql databases(Postgresql, cassandra, MongoDB)
- Experience with REST services and API design
- Experience with building the system for scale
- Experience with version control systems (bitbucket, git etc.)
- Experience working with AWS
- Experience with docker/microservices will be an added advantage
- Knowledge of unit & integration testing
- Knowledge of agile development process, jira
- Strong knowledge of algorithms and Data structures
- Basic understanding of the HTTP protocol
- Demonstrated experience working on application development projects and test-driven development. Experience in writing high quality code
- Knowledge of blockchain technology, smart contracts and cryptocurrency will be an added advantage
- Experience in fintech domain will be another added advantage
- Bachelor’s degree in computer programming, computer science, or a related field.
- Fluency or understanding of specific languages, such as Java, PHP, or Python, and operating systems may be required.
- 3+ years of experience with Ruby On Rails.
- Strong Project & Time Management Skills, along with the ability to apply these skills while working independently, or as part of a team.
Position |
Responsible for design, development, debugging and implementation of software |
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Summary: |
applications in support of end user’s requirements. Works on problems of relatively |
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complex scope, through general usage of standard concepts and principles and |
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applications of own judgement. Responsible for delivering results that have direct impact |
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on the achievement of results within the job area as an Individual Contributor. |
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Main |
Responsible for driving and leading the analysis, design, development activities on |
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Responsibilities: |
assigned projects. |
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- Involved in entire SDLC lifecycle including analysis, development, fixing and monitoring of issues on the assigned product lines.
- Meets and exceeds standards for the quality and timeliness of the work products.
- Implements, unit tests, debugs and leads integrations of complex code.
- Identify opportunities for further enhancements and refinements to best practices, standards and processes.
- Ensure robust, securely accessible, highly available and highly scalable product that meets or exceeds customer and end-user expectations
Experience
Technical Duties & Responsibilities
3 – 6 Years
With 2-4 years of experience in Scalable Architecture development. We are looking for Independent Contributors, who have good understanding of Microservices based architecture, and a comprehensive awareness of various architectures & their suitability as per product requirements: -
- Can solve problems independently, be responsible for the requirement analysis and design implementation of important business modules, and be familiar with the online deployment environment, able to independently analyse and quickly troubleshoot online faults.
- Familiar with JAVA programming principles, understand their advanced features and class libraries, network and server programming, multi-threaded programming, common open source products
- Experience in SOA EIP using Apache Camel Spring Integration
- High quality coding ability, reusability, low coupling, scalability, high performance, maintainability, high security
- Have the architectural design capabilities of modules and subsystems, master common architectural design methods and patterns
- Understand SOA, event-driven, distributed system principles, large-scale network application structure, message middleware, caching, load balancing, clustering technology, data synchronization, NoSQL
- Have the project experience of RabbitMQ or Kafka
- If the candidate has air fare industry experience, might be priority


