
Strong written/verbal communication skills
· Minimum 2-15 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin 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, HashTable, 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.
Please share your updated CV with the the below details:
Total Exp:
CTC:
Expectation:
Current Location:
Preferred Location:
Available for F2F Interview - Y/N :
Notice Period:
Regards,
Rashmi

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 RESPONSIBILITIES (About 10 - 11 years and at least 9 years relevant experience)
Develop Java webservices and components according to a detailed design document.
Build efficient, reusable and reliable Java code per industry best practices.
Follow TDD approach and ensure unit-test coverage meets quality requirements.
Develop Integration tests to ensure coding adheres to acceptance criteria and verify end-to-end behavior of the system.
Ensure best possible performance, quality and responsiveness of applications.
EXPERIENCE / SKILLS
Must have experience developing in Java latest version (least version is 8)
Must have experience in design and development using Micro service architecture
Solid knowledge in OOP concepts, and design principles/patterns for developing scalable applications
Must have experience developing Spring Boot applications
Must have experience developing database access layer using Spring Data JPA/Hibernates
Must have experience in developing REST Services using Spring
Good working experience in development of event driven systems using any framework
Must have experience with any RDBMS and at least one NoSQL database preferably PostgresSQL and Mongo DB
Must have experience writing unit and integration tests using Junit
Must have experience using mock frameworks like Mockito, WireMock
Must have experience using Git
Must have experience with CI / CD
Basic hands-on experience in one of the cloud provider (AWS/Azure) or at least docker and Kubernetes
Familiarity with build tools Maven or Gradle
Added advantage with experience of Reactive and Functional Programming


Company Overview
CareStack is a complete cloud-based dental software solution for scheduling, clinical, billing, patient engagement, and reporting needs of dental offices of any size - whether it's a single location or a large multi-site DSO with hundreds of locations.
The company was founded in 2015 and the commercial launch was done in early 2018. Since then, more than 1000 offices have chosen CareStack as their single source of truth. This is the fastest growth till date in the dental practice management software market, dominated by 100 year old distribution companies.
More about CareStack
● Rated by independent B2B software reviews and research analysts as the most modern, innovative and customer experience focussed company in the space with the fastest growth in the segment.
● Important strategic go to market partnerships with dental industry leaders like Delta Dental, Darby Dental and several others.
● Venture backed with over $60M raised from leading financial and strategic investors.
● HQ'd in Orlando, FL with offices in Minnesota, Bangalore, Trivandrum and Cochin.
Role Overview
CareStack seeks to hire Software Development Engineer - 1 to build its next generation healthcare platform. You will be reporting to a Staff SDE in your business unit , to develop and release services and solutions for our platform, aligning with your business unit’s goals and objectives.
Key responsibilities
● Technical Design
You can be a specialist in technology areas, but capable of creating complete designs to solve a specific problem that accomplishes a definitive product feature or enables a technical advancement.You should work with your lead to review your design and embrace the feedback
● Process Definition/Adherence
You should deliver estimations, review test scenarios/cases created by QAs in your team, participate in sprint grooming and planning meetings. You must learn, practice and evangelize standard techniques for grooming, defining complexity of stories and estimation.
● Code Quality
At Carestack we believe that your code reflects your character. Code for scale, produce maintainable reusable code. You must commit to clean coding, continuous refactoring to ensure a high level of code quality. Continuously learn, practice and evangelize coding patterns/best practices within and outside your team. You should ensure testability of team functional areas, facilitate integration testing, resolve deep rooted technical issues and proactively collaborate with team members in solving complex problems.
● Team Player
You should proactively communicate to resolve dependencies within and outside the team. Understand organizations culture code and streamline conversations and activities that will further instill this code. Mentor and coach new additions to your team.
● Value/Mission Alignment
Be a champion for CareStack within the Engineering team. Help drive workplace and cultural norms within your business unit that align with CareStack company values.
This role may be for you if you…
● Have an insatiable itch to join and the courage to scale an early-stage technology company.
● Have 2-4 years of experience in building modern day web platforms, using Microsoft technologies on the backend.
● Can be a generalist or specialist with deep understanding of building software components that meet defined requirements, with good understanding of .NET Core/ASP.NET.
● Are proficient in data structures and algorithms, and object oriented analysis and design of software systems.
● Are a backend specialist with good understanding of event driven programming, distributed systems, caching/in-memory computing systems, data modeling for transactional systems.
● Solid understanding of relational and non relational databases including warehouses.Preferably MySQL, MSSQL, Vertica and CosmosDB
● Solid understanding of CI/CD patterns and IaC.
● Expertise in building ETLs in both batch and streaming model.
● Expertise in building and testing APIs and micro services
This role may not be for you if you…
● Don’t have the itch to design solutions and write code and you don’t grab every other opportunity to review and write code.
● Don’t have the fire in you to fight for your design suggestions and debate with logical data points
● Don’t have the trait to be transactional in code reviews/design discussions, accept your mistakes and appreciate better ideas from your peers.
● Haven’t developed the habit of doing objective conversations that are data driven.

- 8+ Bachelor’s degree in Computer Science or equivalent combination of technical education and work experience;
- 7+ years of Software Development experience and at least 1+ years of experience in building and leading strong engineering teams
- Deep hands-on technical expertise on server side technologies.
- Solid software development background including design patterns, data structures, test driven development, experience in building microservices and highly scalable and performant applications.
- Excellent verbal and written communication skills, and effective stakeholder management, in cross functional teams.
- Managed a team of 5+ engineers, taking care of the delivery planning, resource alignments, prioritization, performance management(including managing appraisal cycles), and effective feedback for the team and individuals.
Junglee Games is a leader in the skill-gaming space, with over 25 million users. Founded in San Francisco in 2012, and funded by top-tier Silicon Valley VCs, Junglee Games is the fastest-growing skill-gaming company in the world. Some of our notable games are Junglee Rummy, Eatme.io, Junglee Teen Patti, and Howzat.
With teams in 7 countries, Junglee is 250 people strong and has close to doubled in revenues and headcount every year. With YOY growth of 80-100% and high profitability, Junglee will see close to $600 million in gross transaction volumes in FY19-20 and scale to 50 million users.
Junglee is not just a gaming business - it is a blend of data science, innovation, cutting-edge technology and, most importantly, a values-driven culture that is creating the next set of conscious leaders.
Job Description:
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.
Responsibilities and Duties
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications
• BS/MS degree in Computer Science, Engineering, or a related subject
• Minimum 4.5 to 6 years of software development experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Microservice architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
-
Expert knowledge of computer science, with strong competencies in data structures, algorithms,
and software design.
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Strong understanding of end-to-end architectures and development frameworks; knowledge
across tiers in a multi-tier cloud environment including load balancers, web servers, application
containers, data stores, and distributed caches.
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Minimum 6 years of experience with deep technical knowledge and hands on skills in Java.
-
Has worked extensively on caching technologies such as Redis, memcache.
-
Should be strong with Data Strcutures, Algorithms & OOPs concepts.
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Worked on NoSQL databases such as MongoDb.
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Designed and developed highly scalable multi-threaded large scale distributed systems.
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Well versed with services and micro-services architecture.
-
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Usage of containers, virtual machine systems, cloud computing.
-


Dot is a technology start-up, operating in Fintech and e-commerce space. With the aim to
revolutionize offline-to-online(O2O) space, Dot strives to enable digital transformation of Offline businesses using smart innovations. This is a huge market, serving the 1.3 billion strong Indian population.
The start-up is led by a strong and experienced team. It has already raised seed funding of ~US$ 35.5 Million from renowned investors.
To know more, head over to: www.dotpe.in
About the Founders
The company is led by an experienced team, three ex-PayU employees - Shailaz Nag, Gyanesh Sharma & Anurag Gupta, with proven expertise & knowledge of the fintech space as well as experience in building & managing companies.
Shailaz Nag is a well known visionary entrepreneur. He was ex-Managing Director and co-founder of PayU, (India’s largest and profitable Payment Company) which is currently valued at US$ 3 Billion. He was also one of the founding members of Ibibo Group. Shailaz Nag is a Chartered Accountant and also holds an MBA degree.
Gyanesh Sharma is an IIT Delhi alumnus, holding a B.Tech. degree in Computer Science. He has strong experience in leading tech teams, holding position of
● CTO at Shopclues
● Head of engg. at PayU
● Engg. Head at MakeMyTrip
Anurag Gupta has a decade long experience in building financial services business. He was Vice-President & Business head at PayU for Omnichannel business. He also headed Bank & Product Partnership for PayU.
Investors
Dot has raised seed funding of US$ ~35.5 million from
● Naspers Fintech (PayU) -
○ $120bn group with global presence. Listed in London, Johannesburg, Amsterdam
○ Presence in India : MMT-Goibibo, PayU, Flipkart, Swiggy, Byju’s, OLX
○ Global Presence : Tencent - WeChat, OLX
● Fosun RZ Capital
○ Affiliate of Fosun Group - A $100Bn Chinese conglomerate
○ Presence across global growth markets
● Info Edge
○ Parent company of naukri.com, jeevansaathi.com, 99acres.com, shiksha.com
○ Listed on NSE & BSE with a market cap of INR 27,000 crore
○ Major investor in zomato.com & policybazaar.com
Products
At Dot, we are solving the key problems that lie at the heart of Offline businesses by equipping them with commerce and fin-tech products. We are building a horizontal Omni-channel platform encompassing several Products all aimed at empowering all types of merchants, big or small, with Digital Technology. Whilst strengthening the merchants, our products also aim to direct this digital transformation towards improving the customer journey.
Our initial Product line-up has already garnered attraction from several renowned enterprises as well as significant interest from every medium and small-scale merchant we touch. And this just marks the start of our journey!
About Profile
Responsibilities
• Understanding the business requirement and provide good scalable solution
• Integration of user-facing elements developed by a front-end developers with server side logic
• Completely owning the backend services of a module
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Our stack is ReactJS, React Native, Golang, MySQL, NoSQL and hosting environment is AWS
Skills and Qualifications
• Extensive and expert programming experience in anyone programming language (Golang/ C/ Java).
• A solid foundation in computer science, with strong competencies in data structures, algorithms, software design and distributed system applications
• Experience with building and scaling apps with RDBMS as well as NoSQLs.
• Experience creating scalable Web APIs for mobile and browser consumption
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Have a penchant for solving complex and interesting problems
• Worked in start-up culture with high levels of ownership and commitment
• Excellent coding skills – should be able to convert design into code fluently
• Engineers from Tier 1 colleges
Designation - Senior Java Developer
Experience - 4+ Years required
-Proven working experience in Java Spring Boot framework
-Proven working experience in Java development
-Proven hands-on Software Development experience
-Experience in Spring boot micro services
-Experience working with tools like Git, Maven,SVN.
-Expertise developing enterprise-level web applications and RESTful APIs using Spring boot, with demonstrable production-scale experience.
- Working experience in Industry Standard protocols related API Security including OAuth is a must.
- Demonstrate strong design and programming skills using JSON, Web Services.
- Working knowledge with SQL Server databases.
- Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.
- Strong agile/scrum development experience
- Strong collaboration and communication skills within distributed project teams
- Excellent written and verbal communication skills
Skill Required – Core Java, Java 8 Feature, Spring Core, Spring boot , Spring Data JPA, Hibernate..Etc
Strong experience in Core java technologies
Good experience in Restful Webservices
Good Experience in Database concepts.
Good Communication Skills & client/customer interaction experience.

Demonstrable experience in Core Java (8 or higher) and Spring framework (Core, AOP, Batch, JMS).
Multithreading, Data structure, Algorithm, Eceptional handling,OOPS Concepts, collections
- Excellent customer facing skills that include conducting compelling technical briefing & demonstrations. The person should have a technical aptitude to implement new technologies and articulate the solutions to the customer.
- Java, Spring with Database & Unix - Preferred with Scala or Spark(Hadoop) background
- Proven knowledge in OOPS & Data Structures
- Strong experience of developing multi-threaded and synchronization application
- Demonstrated delivery experience of Micro services APIs using Springboot, Oracle PL/SQL development and activities like Performance tuning / Optimization.
- Experience of using Git/Bitbucket, Maven/Bamboo, & related tools.
- Good Understanding of Agile Delivery Methodology & experience in working with Scrum teams.
The Team and Your Role
You will be a part of the Enterprise Engineering team, which is responsible for design and development of foundational software utilized by applications throughout AQR, including:
§ Enterprise Cloud Platform
§ Enterprise Messaging Fabric
§ Common Data Access Framework
§ Role Based Entitlements System
§ Application Monitoring and Alerting
§ Application Configuration Management
§ Business Notifications
These foundational services are part of a larger project that streamlines the entire SDLC from project inception through to production and post-production. We build and maintain common development tools and libraries that are implemented in Java, Python and Golang. The libraries provide business applications with core functionalities needed to build any application within our environment. In addition, we provide standardized cloud-based runtime platform with necessary tooling for all AQR applications.
What You Will Bring
§ Engineering degree in Computer Science or equivalent field from top schools
§ 3 to 5 years of software development experience with substantial individual contribution
§ Outstanding coding, debugging and analytical skills
§ Experience working with complex projects through the software development lifecycle
§ Experience working in a geographically spread out team
§ Hands on programming experience with mastery over at least one programming language in Java or Python
§ Strong knowledge of: Spring, Multithreading, Open Source dbase
§ Microservice architecture
§ RESTful application design
§ Experience designing and developing distributed systems
§ OOP design patterns (especially Java or Python) and data modeling
Our technology platform includes:
§ AWS
§ Kafka
§ Mesos
§ Docker
§ Redis
§ Spring Boot
§ Excellent communication skills both verbal and written
§ Demonstrated contributions to open-source software is also a plus

