
Work Location - Bangalore (Should be ready to relocate)
Kindly go through the JD & company details if interested please revert with below details & acknowledge with your availability.
Mode of work: Hybrid weekly 2/3 Times Mumbai/ Bangalore location.
While you may already know about Wissen and the company history, here is a quick rundown for you.
INTERVIEW PROCESS:
- Hacker earth assessment
- Round 1
- Round 2
- Final Round
About Wissen Technology:
• 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. We help clients build world class products.
• Our workforce consists of 550+ 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 has grown its revenues by 400% in these five years without any external funding or investments.
• Globally present with offices 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.
• Wissen Technology has been certified as a Great Place to Work®.
• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, State Street, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com
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.
Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 4-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork join 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.
· While you may already know about Wissen and the company history, here is a quick rundown for you.

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.
Connect with the team
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Looking for candidates only with tier 1 colleges OR have experience in a product-based company.
Desired Skills :
● Experience with data modeling and SQL/NoSQL databases
● Experience with distributed systems and microservices
● Good experience in working with any of Java/SpringBoot, GoLang or NodeJS
● Excellent problem solving and debugging skills
● Passionate about the experience of software engineering as much as the output
● A strong sense of ownership
● Ability to communicate your ideas and approach to solving problems with clarity
What kind of work will you get?
We are looking for a java developer.
Examples of technical tasks:
Working on our backend SDK to implement APIs that will be consumed by the frontend widgets
Designing APIs for different auth recipes
Architecting auth flows
You will also be given non technical tasks like product brain storming, competitor analysis and writing documentation.
Note: Compensation is as per the applicant's geography
Requirements
Well versed in java with 2+ years of professional experience
Familiar with and comfortable working with Web frameworks like FastAPI, Django and Flask
Familiar with HTTP networking in java
Strong understanding of async and sync modes in java
Bonus:
Contributed to open source, or have your own open source repo with a community and many github stars
Built an in-house authentication or authorization solution or worked with solutions such as Keycloak, Auth0, Ory, Okta etc
If you like our project, please star us on https://github.com/supertokens/supertokens-core">Github
Note: Compensation is as per the applicant's geography
Recruitment Process
Initial Filtering
Apply
Technical Interview (1/2) - 1.5 hours
Discussion on your past work, this will involve sharing your work (code and output) via screen share
Architecture discussion and general programming related live code problems.
You will be allowed to use Google throughout the interview and you will be required to have screen share on.
This call will be with the CTO
Technical Interview (2/2) - 1.5 hour
This will involve a discussion to assess the breadth and depth of your technical knowledge and general questions on various technical topics.
You will not be asked to write any code
This call will be with the CTO
Chat with the Co-Founder - 1 hour
This call will involve a general discussion to assess culture fit
Design software, write code, write unit test cases, test code and review code on a daily basis
Tactical contributions to the low-level implementation
Create/enhance scalable, high performance and fault-tolerant architectures
Develop complex and distributed software modules using Java/JEE, Streaming, and Big Data technologies
Identify the performance and scalability bottlenecks and provide solutions to resolve
Write software to develop products on a daily basis
Write unit test cases and schedule/execute them
Provide estimation during grooming and sprint planning
Skills:
Excellent communication skills, verbal and written; ability to communicate with technical team and clients
Experience working in an Agile environment
Excellent analytical skills, ability to think abstractly and solve complex problems
Expertise in common object-oriented and enterprise design patterns
Technology agnostic
Hands-on experience on frameworks like Spring MVC, Spring Boot, Hibernate, JPA, OGM
Hands-on experience with relational databases (like Postgres, MySQL, Oracle)
Experience with Elasticsearch is a must
Ability to learn new frameworks and design patterns is a must
Ability to translate ideas into designs and proof of concepts is a must
Experience in SAAS, PAAS and cloud platforms such as Azure/AWS/Google Cloud Platform
Knowledge of product architecture and ability to suggest the latest architectural components
Knowledge of exposing and scaling microservices
Experience working in Linux or OS X command line environments
Experience working with Git, or other SCM tool
Knowledge of Java/JEE technology stack for M2M Applications and Support Platforms.
Should be conversant with state of the art technologies in this space and possess the ability to translate
(optional)
Job brief
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Requirements and skills
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven hands-on Software Development experience (Microservices & Springboot)
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (Spring MVC)
- Experience with test-driven development
4 to 8 Yrs Experince
Java Developer
Spring Boot
Webservices
Microservices
NP:60 Days
Develop back-end server that includes business logic linked to various data storage solutions
including database.
Design back-end server system by using technology appropriate for server environment.
Develop and maintain Rest services for Samsung Pay Develop RESTful services that are highly
scalable, available, maintainable
Skills :
Excellent Programming Skills
Strong problem-solving abilities
Analytical skills, and troubleshooting
Good understanding of algorithms, data structures, and performance optimization
methodsHands-on with Design, Coding, Debugging, and TestingExcellent Communication &
Interpersonal Skills, Team Player.
Programming Skills:
C/C++ and/ Java Jquery, Spring, Struts.Hibernate, Web Services, Web Security,
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Developing ideas for new programs, products, or features by monitoring industry developments and trends.
- Recording data and reporting it to proper parties, such as clients or leadership.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- Taking lead on projects, as needed.
Must have skills : Experience with Core Java, Microservices, Oracle Database and SpringBoot.
Roles & Responsibility :
- Build new decentralized microservices based on decoupled Kafka architecture
- Thorough understanding of fundamentals including OOP, Design Patterns and Data Structures
- Good knowledge of design principles
- Produce clean, efficient code based on specifications
- Recommend and implement improvements
- Has proven ability to work independently or with minimal supervision
- Drive design discussions while also working with architects if a need arises
Required Skills :
- Experience building software applications professionally using Java.
- Strong understanding of troubleshooting methodologies and root cause analysis
Soft skills required :
- Excellent interpersonal and written communication skills.
- Able to pre-empt, identify and resolve problems that are non-routine or lacking in definition
- Ability to define, implement and work to a schedule
- Good time management skills.
- Attention to detail. Able to work with little or no supervision
- Ability to work with team members across the globe
- Experience with Core Java, Angular and SpringBoot is a plus.
Educational Qualifications : B.E./ ME (CS/EE) / MCA or equivalent higher-level degree
- 2 - 6 years of software development experience
- Good grasp on programming fundamentals including OOP, Design Patterns and Data Structures
- Excellent analytical, logical and problem-solving skills
- Software Development Engineer
- Good understanding of complexities involved in designing/developing large scale systems
- Strong system design skills
- Experience in technologies like Elasticsearch, Redis, Kafka etc
- Good knowledge of relational and NoSQL databases
- Familiarity with common machine learning algorithms. In-depth knowledge is a plus
- Experience of working with big data technologies like Hadoop, Spark, Hive is a big plus
- Ability to understand business requirements and take ownership of the work
- Exhibit passion and enthusiasm for building and maintaining large scale platforms


