
Job Title: Java Developer
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. - 4 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.

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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About - The company is an online discovery platform that offers direct-to-home product trials for D2C brands.
Location- Bangalore
Series- B
Responsibilities
- Lead simultaneous development for multiple business verticals.Design & develop highly scalable, reliable, secure, and fault-tolerant systems.Ensure that exceptional standards are maintained in all aspects of engineering.Collaborate with other engineering teams to learn and share best practices.Take ownership of technical performance metrics and strive actively to improve them.Mentors junior members of the team and contributes to code reviews.
Requirements
- A passion to solve tough engineering/data challenges.Be well versed with cloud computing platforms AWS/GCPExperience with SQL technologies (MySQL,PostgreSQL)Experience working with NoSQL technologies (MongoDB,ElasticSearch)Excellent Programming skills in Python/Java/GoLangBig Data streaming services (Kinesis ,Kafka ,RabbitMQ)Distributed cache systems (Redis ,Memcache)Advanced data solutions (BigQuery, RedShift, DynamoDB, Cassandra)Automated testing frameworks and CI/CD pipelinesInfrastructure orchestration(Docker/Kubernetes/Nginx)Cloud-native tech like Lambda,ASG,CDN,ELB,SNS/SQS,S3 Route53 SES
Technical Requirement:
- At least 5 years of experience in Java, J2EE technologies.
- Expertise in doing development using Java, Spring Boot, Spring modules (Spring Security, Spring MVC, Spring Data JPA, etc.), Hibernate, Web Services
- Worked on REST web services.
- Worked on application server : Tomcat
- Worked on Eclipse IDE
- Knowledge of Swagger, Postman
- Worked on Database like MySQL
- Worked on Git, Maven, CI/CD pipelines
- Good to have knowledge of using Docker and Mongo DB
Emint is a fintech startup with the mission to ‘Make the best investing product that Indian
consumers love to use, with simplicity & intelligence at the core”. We are creating a platform
that gives a holistic view of market dynamics which helps our members make smart &
disciplined investment decisions.
Emint is founded by a stellar team of individuals who come with decades of experience of
investing in Indian & global markets.
We are building a team of highly skilled & disciplined team of professionals and looking at
equally motivated individuals to be part of Emint. Currently are looking at hiring a backend
developer to join our team at Bangalore.
Responsibilities:
● The Software Development Engineer's core responsibilities include working on highly
maintainable and unit tested software components/systems that address real world problems.
● Experienced on microservices based architecture, can work on cloud infrastructures.
● Should take the complete ownership of product/feature right from design, code and
deployment.
● High bias to quality of code.
● Should be able to collaborate with multi functional teams & stakeholders to ensure smooth
execution of sprints.
● Able to troubleshoot and fix production issues on priority.
Requirements :
● 4-7 years of experience in building scalable restful/soap microservice services.
● Good at high level design and implementation. Strong problem solving skills.
● Good understanding of data structures and algorithms and their space & time complexities.
● Strong hands-on and practical working experience with Java and Spring.
● B Tech in Computer Science or equivalent from a reputed college.
Emint provides a work environment that is open, honest & disciplined. We believe in
excellence & encourage our team members to take intelligent risks.
Qualifications
Good in Database schema design
● Bachelor's degree or equivalent experience in Computer Science or related field
● Graduates from IIT / NIT/ BITS / IIIT preferred
● Professionals with fintech ( stock broking / banking ) preferred
● Experience in building & scaling B2C apps preferred
About Easyrewardz:
- Easyrewardz offers industry-agnostic cloud-based CRM, Loyalty and Conversational Commerce solutions that enable seamless omnichannel customer experience.
- At Easyrewardz, we believe that every customer data captured has a story to tell! Our key focus has always been to help brands deliver seamless customer experience and create a deeper customer connect by leveraging actionable insights obtained from data.
- The Indian retail ecosystem is still learning to rely on data when it comes to delivering consistent customer experiences throughout the journey, hence we’ve tried to address those gaps and pain points with our CRM suite.
- Our entire gamut of solutions has Customer Data Platform at the core providing intelligence that powers every product and enables Single View of Customer.
About the role
At EasyRewardz, we're using leading-edge technology to create best loyalty solutions of tomorrow. When you join us as a Sr. Software Engineer, you'll become part of a team focused on innovation and change. You'll work a little harder. You'll aim a little higher. You'll expect more from yourself and others. And at the end of the day, you'll be doing a lot of good work. Through a lot of inspired individuals, we are using technology to build varied nature of loyalty solutions that works better for more people in more ways than ever.
We are looking to reinforce our team with people who are decisive, brilliant and built for speed -- people like you.
As a backend .NET core developer, you will be predominantly involved in:
- Developing business solutions by creating new and modifying existing software web applications.
- Coding, testing, debugging & supporting all types of enterprise web applications consistent with established specifications and business requirements to deliver business value.
This is more than a challenging development role. This is high performance technology.
Responsibilities:
- Develop, test, implement and maintain .net core based middle layer/services application working with established processes.
- Ensure adherence of best coding practicesfor a high-performance data processing backend application.
- Identify production and non-production application issues & assist team with optimal solution.
- Identify opportunities to fine-tune and optimize applications of .Net core developed projects, including periodic code review.
- Provide technicalsupport and consultation for .Net core backend application and deployment related queries
Desired Skills Technical Skills
- Experience in WCF/Web Services or REST API (Using C#.Net core)
- 1+ years of hands on experience (using HTTPS) .Net core Based Windows Services 2+ year of hands on experience SQL Server (2012 or 2014)
- 2+ year of hands on experience in writing high performance SQL queries.
- (MySQL is preferable) Message Queue (RabbitMQ, Kafka or similar) Work experience preferable for message queue based architecture development Distributed Cache Management (Redis Cache, MemCached or similar) Experience preferable
Job Summary
- Expand the product to suit the needs of all kinds of travellers. From family travellers to hardcore backpackers and from free independent travellers to those who need a more guided approach to planning their trip.
- Launch across more countries. This means adding support for more geographies, things to do, weather, currencies and payments, transport and accommodation.
- Scale it up to serve millions of users a year, from across the globe. We are seeing decent growth, but it is time to up the game.
Responsibilities and Duties
How you'll add value:
- Own the architecture and design decisions that go into shaping our backend microservices
- Build and ship robust features.
- Work with web and mobile engineers to design and build APIs to power the traveler and influencer applications.
- Help us scale out to multiple geographies and serve millions of travelers
Required Experience, Skills and Qualifications
- An innate desire to grow. Both personally and with respect to the value you add to other people's lives.
- 4+ years industry experience working with golang/Django
- Sound understanding of CS fundamentals. We don't expect you to remember every algorithm by heart. But if you know how to find the most appropriate one for any given problem, let's talk.
- Personal projects that show an aptitude for technical excellence and product sense.
- Interest in contributing to open source projects
- Bonus points if you have an interest in the philosophy behind technologies. - You are intrigued by why did people develop certain technologies the way they did.
Benefits
- Work with a bunch of amazing people on a challenging problem.
- 1 backpacking trip each year to travel outside India. We don't allow you to travel, we WANT you to travel.
- Stock.
- We don't mind work from home/cafe/some random city in the world as long as your work and your team is not disrupted.
- We don't have a leave policy (there is a guideline for legal reasons) but you are free to take as much personal time as you need as long as you get your job done.
Job Type: Full-time
Salary: ₹2,000,000.00 to ₹3,000,000.00 /year
- Assist in project scoping and interact with users to gather requirements
- Must have skills: Java,Spring,SQL,Web App development
- Produce well-planned, well-structured, high-quality codes that have been independently unit tested
- Design, develop, implement and maintain multi-tier web based applications using Java, J2EE, Struts, MVC, Weblogic, XML, Spring, Hibernate, and Oracle, to support business requirements (angular will be advantage)
- Participate and contribute actively in the complete software development lifecycle, including performance analysis, design, development, and testing
- Ensure well designed, testable, efficient codes by performing unit testing with test cases and through rigorous integration testing of the entire application
- Ensure designs are in compliance with specifications
- Support users by developing design documentation and assistance tools
- Interact regularly with internal and external teams to address technical issues and provide appropriate solutions through debugging, research, and investigation
- Develop configuration tools for internal teams to further automate programming tasks that are repetitive
- Engage in and lead application performance tuning
Requirements:
- Graduate/Post Graduate degree in Computer Science, Engineering or a related subject
- Proven working experience in Java development, application of standard software development principles and designing and developing applications using Java EE platforms
- Experience in developing web applications using at least one popular web frameworks using MVC
- Object oriented analysis and design using common design patterns
- Able to respond to technical queries / requests from team members and customers
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc.)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (Oracle, Hibernate)
- Experience in the Spring Framework
- Experience with test-driven development
A highly motivated, skilled, and 3-8 years experienced JAVA Software Engineer to implement innovative solutions with a proven track record developing end-to-end scientific or business applications in JAVA with emphasis on browser-based applications.
You have oodles of experience designing and developing and documenting Enterprise applications using J2EE technologies. You have worked extensively on the new breed of Enterprise applications utilizing cutting edge technologies such as Java, JavaScript, JPA, Hibernate, spring Batch and web services.
You bring to the table…
- Object oriented skills, including an understanding of common object and web application design patterns.
- Strong in Core Java Concepts, JavaScript, JPA, Hibernate, spring, Batch, web services.
- Hands on experience with SQL
- Should possess hands of experience on Linux.
Responsibilities:
Developing and maintaining all server-side network components.
Ensuring optimal performance of the central database and responsiveness to front-end
requests.
Collaborating with front-end developers on the integration of elements.
Designing customer-facing UI and back-end services for various business processes.
Developing high-performance applications by writing testable, reusable, and efficient code.
Implementing effective security protocols, data protection measures, and storage solutions.
Running diagnostic tests, repairing defects, and providing technical support.
Documenting Node.js processes, Typescript processes including database schemas, as well as
preparing reports.
Recommending and implementing improvements to processes and technologies.
Keeping informed of advancements in the field of Typescript and Node.js development.
Skills:
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
2-4 years of strong proficiency in Node.js and Typescript. And core principles of javascript.
Experience in test-driven development.
Experience working with SQL based DBs, REST API.
Strong interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.
Knowledge about the Software Development Life Cycle Model, development best practices
and standards, source control, code review, build and deployment, continuous integration.
• Code, develop, design and architect features related to the existing application. We
expect you to own modules end to end and take pride in the work products you
ship.
• Lead from the front, when it comes to delivering high quality work products. Serve
as a mentor to the team members
• Create and define performance metrics. Ideate, innovate and hack through the
existing systems to improve performance.
• Perform code reviews, set coding practices and guidelines within the team.
• Make sense of the product specs, be nimble in getting the issues resolved. Be a
thought leader.
Critical Functional Skills:
• Solid understanding and knowledge of Java/C/C++. You should understand the
concepts of multithreading, I/O, messaging, instrumentation etc and their
implementation in Java/Any other Object-Oriented Language.
• Proficiency in the implementation of algorithms and the use of advanced data
structures to solve problems in computing. A solid foundation in the principles of
computer science is desired.
• Ability to write clean, modular, and loosely coupled code by the use of design
patterns.
• He/She should be able to break down and architect complex software systems. For
example- Build
• Cars Availability Engine for Ola.
• Strong decision-making ability
• Deep expertise in at least one programming language & tech stack.
• Substantial experience in building complex and scalable solutions.
• Strong object-oriented design skills, ability to apply design patterns, and an uncanny
ability to design intuitive module and class-level interfaces
• The ability to do deep problem solving and build elegant, maintainable solutions to
complex problems.
• Experience leading multi-engineer projects and mentoring junior engineers
• Experience with full life cycle development in any programming language on a Linux
platform
• Comprehensive operational experience including, optimizations, deployments and
tuning servers like apache/mysql/tomcat/solr
• Prior experience in working with Agile software methodologies (XP, Scrum), TDD,
and Continuous Integration(CI/CD) a plus.
• Experience in building data-driven web application design and development is a plus
• Expert level experience in building a scalable, large and complex business
application.
Experience Required:
• Typically with an experience of 5+ years of development experience in a product
firm.
• Must have lead, designed, architected and delivered at least 1 project in his previous
assignments independently.
Minimum Qualifications Required:
• Btech/MS from a reputed Institute
• Deep expertise with any or combination programming languages: Java, C++, C#,
Ruby, Scala,
• Go any object-oriented high-level proprietary or open-source language with strong
programming constructs. We are not skill-specific but go by strength in
competencies
• Machine coding
• Single machine in-memory program
• Need a working code with functionality
• Readable and well-designed code with right abstractions, separation of concerns,
• right design patterns
• Performant code with concurrency and efficient data structures
• Write test cases covering the happy path and edge cases
• Problem Solving
• Choose the right combination of data structures to solve the problem
• Identify most edge cases for the problem









