
Purpose
To design, develop, test, and maintain integrated software applications, systems, and platforms
Responsible for ensuring that the software created is reliable, scalable, and secure
The candidate should use his/her expertise to maintain enterprise wide upstream and downstream integration
solutions that help organizations achieve their business goals and provide value to end-users
Key Accountabilities
Responsibilities will include but will not be restricted to:
Designing and developing solutions at middleware and integration layer
Ensure the best standards are followed for integrating with multiple upstream and downstream
applications
Documenting and Developing APIs which are fault tolerant, performance oriented and allow for publishing
across multiple sources
Ensure management of the interfaces on the WSO2 EI platform
Ensure continuous monitoring, troubleshooting, and debugging
Ensuring that the integrations development is part of the overall CI/CD pipeline
Working with stakeholders to ensure that integration solutions meet business requirements and are
delivered on time
Technical Requirements
A Bachelor’s degree in Computer science, software engineering, or any other equivalent field
Has 6+ years of experience in the field of software engineering or software development
Experience with WSO2 middleware technologies like WSO2 Enterprise Integrator (EI), WSO2 API Manager,
and WSO2 Identity Server
Experience in developing multiple type interfaces such as SOAP, REST, WebHooks, GraphQL and having
knowledge of working on changing one type to other
Software development skills including proficiency in a modern programming language such as
Java/C++/Python/Golang.
The ideal candidate should have worked on application development within an enterprise ecosystem.
The person should also have the necessary knowledge to connect to systems like mail, DB, external
systems, or APIs etc.
Ideally the person should have demonstrated creating common interfaces or adapters for interactions
between heterogeneous systems with least amount of code change or no code change at all on both the
integrating systems.
The person needs to be hands on and should be able to write code and review the code of teammates.
Desired Personal Qualities and Behavior
Excellent relationship management skills with the ability to engage, negotiate and manage key
stakeholders and suppliers.
Excellent communication, interpersonal and influencing skills.

About MS
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- Proven experience in any high-level programming languages like Java (Preferably)
- Strong knowledge of data structure, algorithms and coding
- Experience with any Messaging technologies like Kafka or Rab-bitMQ, etc.
- Proven experience in database technologies like NoSQL
- Hands-on experience with Spring, Spring Security, Spring boot, and Hibernate framework.
- Working knowledge of developing Restful Micro services.
- Strong analytical, problem-solving skills.
- Attend team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
- Ability to understand the Platform/domain of the business in detail & Ability to multi-task.
- Good communication and organizational skill
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. - 5 to 10 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 client facing 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 has successfully 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 us:
TAPPP(https://tappp.com/) is building the next-generation digital platform by leveraging cell-based architecture to integrate technologies like Artificial Intelligence, Rules, Workflows, Microservices, FaaS (Function as a Service), Micro-frontends, and Micro apps to create a highly extensible and cutting-edge technology platform that brings together sports fans with broadcasters, sports teams, and sportsbooks to create a marketplace for all aspects of sports and we are available across platforms via the Web, Mobile, Roku, and Tablets.
Building out this brand presents significant product and engineering challenges. At the center of solving those challenges is the TAPPP Product Engineering team which is responsible for the TAPPP product end to end.
TAPPP is led by a very able leadership team drawn from Industry leaders from companies like ESPN, Amazon, Blackhawk, Kargocard, Visa, and
many others.
The organization is flat, processes are minimal, individual responsibility is big, and there is an emphasis on keeping non-productive influences out of the everyday technical decision-making process. Upholding these philosophies will be imperative as we execute our aggressive plan of global expansion over the next 2 years.
Who are we looking for:
A coding enthusiast who loves writing elegant code and developing software systems.
As a senior java developer, you will be a part of the core product development team that is responsible for building high-performant components of the TAPPP platform.
Your responsibility:
- You will be responsible for designing, coding, reviewing, testing, and bug-fixing different modules of the software product that needs to work seamlessly across different environments.
- Write production-quality code in Java, J2EE, and Spring
- You will work in an agile team, working on the TAPPP revolutionary platform. You‘ll be using cutting-edge solutions (Spring Boot, Docker, Kafka, Redis, Continuous Delivery) for creating and maintaining high-load distributed services that are part of our messaging platform.
Mandatory technical skills:
- Hands-on experience with
- Java 1.7+
- RDBMS (MySQL/PostgreSQL)
- JPA (Hibernate or any other ORM framework)
- Spring Boot, Spring MVC, Spring Security
- Hands-on experience in writing extensible RESTful APIs
- Hands-on in Java development (all facets of development) with a sound understanding of OOAD.
- Should have excellent debugging, code review, and design review skills
- Should have a sound understanding of a Microservice based architecture
Good to have technical skills:
Kafka
GraphQL
Redis
AWS (ECS, Cloudwatch)
Other
- Strong independent contributor
- Comfortable working in a start-up environment
The position is based in Pune, India.
- Contribute to all stages of software development lifecycle
- Design, implement and maintain Java-based applications that can be high-volume and low-latency
- Analyze user requirements to define business objectives
- Envisioning system features and functionality
- Define application objectives and functionality
- Ensure application designs conform with business goals
- Develop and test software
- Identify and resolve any technical issues arising
- Create detailed design documentation
- Propose changes to current Java infrastructure
- Develop technical designs for application development
- Develop multimedia applications
- Write well designed, testable code
- Conducting software analysis, programming, testing, and debugging
- Manage Java and Java EE application development
- Develop documentation to help users
- Transforming requirements into stipulations
- Prepare and produce releases of software components
- Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Experience in AWS.
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
- 2.5+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Experience in AWS.
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
1.Java, Spring Boot, Microservices, Spring, Hibernate
2. Handling Large teams
3. Expertise in Technial and People Management.
● Partner with the product/business teams to understand the product features and
specifications, translate them into high level and low-level design
● Participate in all stages of the Software Development Lifecycle
● Develop back-end components, services, and APIs. Support integration of user-
facing elements, and collaborate closely with the design and front-end development
team
● Write elegant, effective, and scalable code while maintaining the highest level of
coding standards
● Take ownership of the work and ensure timely deliveries
● Drive innovation in product development, while relentlessly improving performance,
scalability, and maintainability
Requirement
● Strong problem solving and analytical skills with a minimum of 2-4 years of
experience in backend development
● 1+ experience as a Java Developer, with strong knowledge of Java web frameworks
like Spring Boot, Hibernate, etc. and experience working in Microservices
architecture
● Hands-on experience of working with Linux/Unix platform
● Strong knowledge of SQL and RDBMS like PostgreSQL/MySQL etc.
● Experience in - Python, Git
● Strong technical aptitude and good knowledge of CS fundamentals
● Sound knowledge and application of algorithms and data structures with space and
time complexities
● Strong design skills involving data modelling and low-level class design
● Follow industry coding standards and responsible for writing maintainable, scalable,
and efficient code to solve business problems
Good to have
● B. Tech./M. Tech. in Computer Science or equivalent from a reputed college
● Prior experience working in a startup environment
● Experience in setting up an entire product from scratch
- 2+ years of experience on Java, Spring Boot, Hibernate in medium to large-scale projects
- Must have experience with at least some flavours of both SQL (MySQL, Postgres) and NoSQL (Kafka, MongoDB, ElasticSearch, NoSQL distributed cache system, DynamoDB etc), datastores in production
- Must have experience with Kafka or similar message queue systems in production
- Stellar problem solving skills
- Hunger to learn new things and ability to grasp new concepts quickly
- Ability to move quickly without breaking things too much (we are dreamers)
- Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
- Should be able to groom juniors and take them to the next level
Applicant must have a min of 4 years of experience as a Java Developer and a Min of 2 years on Spring boot, Augular knowledge must, having an experience in Angular would be an added advantage.
Detailed JD
Resources with below skill sets :
- Angular JS
- Spring MVC
- Spring Boot
- Hibernate
- PostgreSQL
- Drools
- SVN
- Jenkins
- SonarQube
- Foresighted & good judgement in problem solving.
- Capable of paying attention to detail.
- Good analytical and logical thinking.
- Prioritizing and organizing
- Team Player with positive attitude.
- Process knowledge/Technical expertise
- Good Written and Verbal communication Skills
- Analyse & understanding of the SRS.
- Report queries on the SRS/Requirement.
- Prepare low level design document
- Prepare Unit test cases
- Extensive experience in developing Java EE application
- Hands-on experience working with Spring, Spring Boot
- In-depth knowledge of relational and NoSQL databases.
- Experience working with Java Web Services, RESTful services
- Experience using Redis, Memcached or any other caching system
- Experience working with message brokers– preferably RabbitMQ
- Experience with infrastructure automation technologies like Docker, Kubernetes.
- Experience with build automation technologies like Maven, Gradle.

