
Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.
We are solving complex technical problems in the financial 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 highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
Experience - 3+.
Experience in Core Java 5.0 and above, CXF, Spring.
Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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 client-facing applications.
Good development experience with RDBMS, preferably Sybase database.
Good knowledge of multi-threading and high-volume server-side development.
Experience in sales and trading platforms in investment banking/capital markets.
Basic working knowledge of Unix/Linux.
Excellent problem solving and coding skills in Java.
Strong interpersonal, communication and analytical skills.
Should have the ability to express their design ideas and thoughts.

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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Backend - Principal IC/Lead SDE
Minimum Requirements
- 8+ years development experience
- Solid Experience and knowledge of
- Coding and debugging using Object Oriented languages like Java, C++, Go or similar languages.
- Database design, Query optimizations, pitfalls (both SQL, NoSQL)
- Developing Scalable, distributed systems and patterns
- Developing REST and/or GraphQL based APIs
- Writing and driving Clean code in a team (via SOLID principles).
- Knowledge of writing unit tests
- NodeJS
Good to have
- Experience with GoLang/Python
- Experience with Microservices, designs and patterns
- Experience with Dockers/Kubernetes and orchestration
- Familiarity with Reactive programming and patterns like RxJs/RxJava, CQRS, Eventing systems
- Experience with automating DevOps lifecycle
- Proficiency with
Responsibilities
- Work with Product team and Drive design, development and deployment of the overall architecture and individual modules to support our Apps , website and internal tools
- Ensure the entire stack is designed and built for availability, speed, scalability, testability, debugging
- Design and development of our REST and GraphQL API
- implement and improve continuous integration and deployment
- Serve as a technical lead for the team
- Mentor team members
Role: Java Developer.
Location: Hyderabad
Mode of Employment : Permanent
Experience Required: 4 to 8 Years
Primary Skills:
Java , spring, Hibernate
We are looking for a Back-end developer to join our engineering team and help us develop and maintain various software products.
Experience: 0-2 years
Prerequisites:
- In-depth understanding of web development process
- Familiarity with Java and Spring frameworks preferably Spring Boot
- Familiarity with Node JS
- Basic understanding of front-end technologies, such as JavaScript, HTML, CSS.
- Experience with working on REST API (GET, POST, PUT, PATCH, DELETE, UPDATE)
Job Description
The duties and responsibilities of a selected applicant would include:
- Participate in the entire application lifecycle, focusing on coding and debugging.
- Design and implement low-latency, high-availability, and performance applications.
- Develop back-end components to improve responsiveness and overall performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Perform UI tests to optimize performance
- Test and debug programs
- Implement security and data protection solutions
If you have the desire to be a part of an exciting, challenging,+ and rapidly-growing company, and create the finest apps in a flourishing industry, please send in your applications on:

➢ Design and develop core server side components for our consumer facing site
as well as for fulfillment and inventory logistics
➢ Prototype new ideas
Experience / Skills Required:
➢ B.Tech or advanced degree in Computer Science with 8-12 years of progressive industry
experience
➢ Strong experience with Python development and Django framework or NodeJS required
➢ Strong experience with JavaScript , HTML, CSS, AJAX and JSON
➢ Strong experience with building reusable server components
➢ Strong experience with WebServices, XML, REST interfaces
➢ Strong experience with object oriented programming
➢ Strong experience with backend performance optimization and algorithms
➢ Strong experience with SQL, RDBMS, data modeling and MySQL, Oracle or other RDBMS
➢ Strong leadership / technology mentoring skills a must. Ability to do code and design reviews is a
key part of this role.
➢ Experience with Microservices / Distributed event based architectures desired.
➢ Deep experience with Linux based development and deployment architectures.
➢ Experience with database query tuning.
➢ Experience with cloud platforms such as AWS is a great plus
➢ Experience with frameworks such as Angular / React JS is a great plus
➢ Awareness of and experience with reactive programming is a plus
➢ Experience with Ecommerce/Consumer facing applications serving a large volume of users is a
great plus.
➢ Exposure to technologies like Kafka, Redis, Spark, Kinesis, Solr, ElasticSearch etc is a plus.
➢ Experience with NoSQL or BigData is a great plus
➢ Hands on Full Stack experience desired.
➢ Must be adept at experimenting with new technologies
➢ Must have excellent communication (verbal & written), interpersonal, leadership, and problem
solving skills
➢ Must be able to work independently and enjoy working at a fast paced start-up environmen
We are looking for strong developers with below skills,
- Java
- Springboot
- REST API
- Microservices
Excellent communication skill.
Notice : Immediate - 30 days
Great opportunity to work in Roots Innovations Pvt.ltd., We simplify the RPA (Robotic Process Automation) platform with AI-powered Bots to manage business processes & compliance for all types of industry sectors.
Educational Qualification: BE/B.Tech/BCA/BCS/MSC/MCA/MCS/M.Tech(Certification course will be Advantage)
Experience - 4 to 10 years
Job Description:
· Implement a robust set of services and APIs to power the back-end application
· Optimize application for maximum speed and scalability
· Implementation of security and data protection
· Follow and understand architecture design and implementation on
development, testing, implementation, and documentation.
· Conduct reviews and conduct team training on the complex features of NodeJS.
· Analyze business/functional requirements and translate them into
concrete tasks
· Manage Product releases
Skill Set Required:
· Experienced in NodeJs or any NodeJS frameworks
· Experienced & Good knowledge of Relational and NoSQL databases (MongoDB)
· Exposure to Cloud Environments like AWS, MS Azure or Google Cloud
· Knowledge of an interest in Agile Methodologies, such as Extreme Programming (XP) and Scrum
· Knowledge of software best practices, like Test-Driven Development (TDD) and Continuous Integration (CI)
Position : Backend Developer – SDE3 : Java/Nodejs
As part of the engineering team, you would be expected to have deep technology expertise with a passion for building highly scalable products. This is a unique opportunity where you can impact the lives of people across 150+ countries!
Responsibilities
● Own architecture, design, development, and implementation of different modules/features of the services
● Design, develop, deploy and support web applications.
● Bring in industry best practices
● Discover opportunities for performance improvements
● Recommend ways to improve reliability, efficiency and code quality
● Focus on continuous delivery and reducing complexity
● Carry out code reviews and manage pull requests within the mobile application development team
● Build applications based on micro-services architecture
Requirements
● Overall 5+ years of experience in Backend development (Java or Nodejs).
● B.E/B.Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs, IIITs or equivalent)
● Strong object oriented design skills & knowledge of design patterns
● Experience in working with data platform & data lake pipeline building is preferred.
● Experience designing & developing distributed systems involving multiple web services, databases (both SQL and NoSQL), caches, queues, etc. taking into consideration scalability, availability, fault tolerance, consistency, etc. of the overall system
● Well-aware of and enforces development best practices: Unit Tests, Code Reviews, Integration Tests, CI/CD, Monitoring, Alerting, etc
- Hands-on programmer with ability to write idiomatic code in Java
- Strong preference to write automated unit & integration tests
- Prior experience in designing & deploying Microservices and performant REST APIs
- Good understanding of and experience in Continuous Integration / Continuous Delivery
- Hand-on experience using one of the server-side Java frameworks such as Spring Boot
- Excellent communication skills
Nice to have
- Experience working with AWS or other Cloud providers
- Experience working in Event-Driven systems (using Apache Kafka or something similar)
- Exposure to Angular or React
You will be expected to design, develop and maintain large-scale complex backend web
applications.
You will be expected to rapidly learn and apply relevant new technologies.
You will be having a high level of interaction with business and product stakeholders.
You will be working on the entire web application stack, which includes:
o Web server hosting
o RESTful communication
o Message brokering
o Backend application layer, which includes the service and domain layers
o Data layer for persistence or caching
You will be participating in an agile software development cycle, which includes:
o Design
o Development
o Code Review
o Unit and Integration Testing
o Release
As a senior developer, you will be expected to contribute to design, code review, refactoring, and
project management.
You will be exposed to the following technologies:
o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS
Lambda
o Languages: Ruby, Java, Kotlin, Javascript, Python
o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift
o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS
o Server Management: Amazon ECS, Docker
Product Overview
You will be contributing to products concerning both customers and partner drivers.
Product sectors include:
o Growth: You’ll build tools to help boost user growth on the platform including our industry
best driver on-boarding, training and certification system, referral system, and lead
management models.
o Lifecycle Management: Build tools to help users engage with the platform better, which
includes rewards and recognition module, subscription service, account management tools,
partner and customer wallets and payout modules, and churn detection systems among
others.
o Transaction Experience: You’ll help deliver the most delightful booking experience to our
customers and drivers. As part of this team, you’ll be responsible for our core booking
system, pricing and payment systems, location tracking and filtering services, fraud
prevention systems, and in-app ticketing and support among others.
o Fulfilment: As part of the fulfilment team, you’ll work on systems which ensure high degree
of ride fulfilment on the platform. Tools including allocation methodologies and system,
dynamic pricing, dynamic partner routing, and partner re-activation tools among others.
o Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence.
You’ll build tools for contract management, fleet management, fleet and route optimisation
tools, alerting and monitoring tools, and analytics suite among others.

