Sr. Software Developer (Java) (Backend)

Job Description:

1. Experience in Core Java, Spring Boot.
2. Experience in microservices.
3. Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
4. Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
5. Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
6. Good knowledge of multi-threading
7. Basic working knowledge of Unix/Linux
8. Excellent problem solving and coding skills in Java
9. Strong interpersonal, communication and analytical skills.
10. Should be able 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.

Job Title: Senior Software EngineerLocationExperienceJob DescriptionWe are seeking a Senior Software Engineer to join our dynamic engineering team, focusing on designing, developing, and optimizing large-scale ad technology systems. This role requires expertise in building high-performance, distributed systems capable of handling millions of transactions per minute. You will work closely with cross-functional teams to enhance the scalability, robustness, and performance of our real-time bidding systems.

• ResponsibilitiesDesign and implement high-performance microservices to handle large volumes of real-time data requests.
• Collaborate with the AdExchange team to optimize real-time ad buying, selling, and auctioning processes.
• Lead the development and enhancement of key features such as loss notifications and bidder engagement strategies.
• Build A/B testing mechanisms to optimize bidder responses and URL accuracy.
• Improve the scalability and reliability of critical services, utilizing advanced monitoring tools like Prometheus and Kafka.
• Conduct code reviews, create design documents, and mentor junior engineers.
• Manage end-to-end project lifecycles, from architecture design to deployment in production environments.
• Required SkillsProficiency in Java, Docker, Aerospike, Kafka, and MySQL.
• Strong understanding of distributed systems, microservices, and real-time bidding technologies.
• Experience in optimizing system performance to handle high-throughput, low-latency requirements (600,000+ requests/min).
• Expertise in monitoring and logging tools such as Prometheus, Grafana, and log management systems.
• Knowledge of cloud technologies (AWS or similar).
• Strong problem-solving skills and experience in A/B testing for optimizing system components.
• Preferred SkillsExperience in ad technology or large-scale data processing systems.
• Familiarity with JavaScript, REST APIs, and integration workflows.
• Hands-on experience with Kubernetes and event-driven architectures.

Experience: 5-10 Years

Location - Bangalore

Role- Technology analyst- Java developer

Notice period- (Strictly 0-30 Days only)

Infomatics Corp has been a leader in providing exceptional services to both corporate and government clients for over 15 years. We are recognized for our commitment to excellence and security, holding prestigious certifications such as ISO 9001, ISO 27001, and ISO 20000. With offices in the United States and India, we operate on a global scale, offering in-demand IT solutions and the flexibility to scale operations according to client needs

We are looking for ambitious Technology Analyst 

Good Java Developer who can Design the applications, Develop using J2EE best practices and test

Requirements: Job Description

• Excellent knowledge in Core Java (J2SE) and J2EE technologies.
• Hands-on experience with RESTful services, API design are must.
• Knowledge of microservices architecture is must.
• Knowledge of design patterns is must.
• Strong knowledge in Exception handling and logging mechanism is must.
• Agile scrum participation experience. Work experience with several agile teams on an application built with microservices and event-based architectures to be deployed on hybrid (on-prem/cloud) environments.
• Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
• Experience in managing the Source Code Base through Version Control tool like SVN, GitHub,Bitbucket, etc.
• Experience in using and configuration of Continuous Integration tools Jenkins, Travis, GitLab, etc.
• Experience in design and development of SaaS/PaaS based architecture and tenancy models.
• Experience in SaaS/PaaS based application development used by a high volume of subscribers/customers.
• Awareness and understanding of data security and privacy. Experience in performing Java Code Review using review tools like SonarQube, etc.
• Good understanding of end-to-end software development lifecycle. Ability to read and understand requirements and design documents.
• Good Analytical skills and should be self-driven.
• Good communication with inter-personal skills. Open for learning new technologies and domain.
• A good team player and ready to take up new challenges. Active communication and coordination with Clients and Internal stake holder

Requirements: Skills and Qualifications

• 6-8 years of experience in developing Java/J2EE based Enterprise Web Applications
• Languages: Java, J2EE, and Python
• Databases: MySQL, Oracle, SQL Server, PostgreSQL, Redshift, MongoDB
• DB Script: SQL and PL/SQL
• Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
• OS: Windows, Linux/Unix.
• Cloud Services: AWS and Azure
• Version Controls/ Devops tools: Git, Bitbucket and Jenkins.
• Message brokers: RabbitMQ, and Kafka
• Deployment Servers: Tomcat, Docker, and Kubernetes
• Build Tools: Gradle/Maven

Job Requirements :

- 4+ years of Java development experience

- 4+ years of microservice development experience with Spring boot framework

- Core & Advanced Java (Threading, Design Patterns, Data Structures) J2EE, REST web services

- Excellent knowledge of Enterprise Design Patterns

- Full stack development with Angular 8 experience will be a plus

- Experience with test driven software development

- Exposure to telecom domain

- ETOM/ SID which make the TM Forum framework

Job Description:

Mandatory Skills: Java, J2ee, spring, hibernate, spring mvc.

Preferred: Restful, microservices, spring boot.

Website: https://www.games24x7.com">https://www.games24x7.com

1. Java Developer

Job profile:

• Project Role: Spring boot application developer
• Project Role Description: Design, build and configure spring boot applications to meet
• business process and application requirements.
• Work Experience: Fresher. Should have done at least one project in Java. Hands on
• experience on the Spring boot project is an added advantage.

Must Have Skills: Core Java or Spring boot Application

Important: Engineers should be able to code, Interview will involve actual coding

Key Responsibilities:

• Design, build and configure applications to meet business process and application requirements
• Understanding of

1. server side technologies, how the web applications work. Role of Database and APIs in modern web and mobile applications.
2. client side web frameworks, such as Angular or React and they integration with back end systems

• Implementation and customization of Web based solutions
• Development of custom components such as web interfaces, Validation Services etc.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
•     Write clean, maintainable code while rapidly iterating and shipping
•      Participate in all phases of development, from design to implementation, unit testing, and release.
•  Knowledge of javascript, OOPS including experience with design Pattern
• Excellent in Design patterns, Data Structure.

Technical Experience:

• Engineers should have done project(s) in Java or Spring boot.
• Knowledge of

1. Test and automation tools
2. Git
3. Restful APIs.
4. Solid understanding of object-oriented design and programming concepts.

• Have a passion for quality and writing clean, solid, readable code that scales and performs well.

Expected Competencies:

• Adaptable to change; able to respond to shifting requirements and priorities
• A well-organized and structured approach to work with good attention to detail.
• Comfortable with coordinating and collaborating with business teams to drive required decisions and outcomes.
• A high degree of personal integrity and strong ability to work collaboratively and effectively in a fast-paced, flexible, team-based environment.

• Build large scale enterprise applications.
• Responsible for providing deep technical expertise in designing and delivering end to end high performance, scalable & flexible solutions using Java and Open Stack technologies including Mobility/Responsive Web apps, APIs, application & data Integration, scalable databases, DevOps, Cloud Computing.
• He/ She would be also responsible to experiment, explore and demonstrate application of new technologies by means of conducting quick prototypes to solve business problems. Work with the direction from Solution Architect/ Enterprise Architect and co-create solutions with rest of the IT delivery teams

ABOUT ZYCUS:

Headquartered in Princeton, U.S. in 1998, Zycus has grown every day to be established as an organization which now is a leading global provider of complete Source-to-Pay suite of procurement performance solutions.

We develop cloud-based (SaaS) https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fsolution%2Fprocurement-performance.html">Source-to-Pay solutions for large global enterprises, and have successfully deployed about 200 solutions to over 1000 Global clients. We are proud to have as our clients, some of the best-of- breed companies across verticals like Manufacturing, Automotive, Banking and Finance, Oil and Gas, Food Processing, Electronics, Telecommunications, Chemicals, Health and Pharma, Education and more. 

With a team of 1000+employees, we are present in India with 3 development centers at Bengaluru, Mumbai & Pune and offices in the https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fcareers%2FUS-Careers.html">U.S., U.K., Australia, https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fpress-releases%2Fzycus-expands-middle-east-presence-with-new-location-in-dubai.html">Dubai and https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fpress-releases%2Fzycus-continues-global-expansion-with-new-office-in-singapore.html">Singapore, Amsterdam. 

https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fcompany%2Fcareers.html">Know more about the LEADER of: https://workable.com/nr?l=http%3A%2F%2Fcampaign.zycus.com%2FGMQ2017">Gartner’s 2013, 2015 & 2017 Magic Quadrant for Strategic Sourcing Application Suites and https://workable.com/nr?l=http%3A%2F%2Fcampaign.zycus.com%2FThe-Forrester-Wave-eProcurement-Q2-2017-Zycus-Named-a-Leader">The Forrester Wave™: eProcurement, Q2 2017

1. Involvement in the full software development life cycle with stringent needs on (i) time to market, & (ii) quality of product - functional and non-functional aspect.
2. Ownership of complex software architectures, operational metrics, and running the day to day business operations.
3. Designing and defining the interaction between the different components and teams.
4. Work closely with peers and product managers to develop great technical design and approach for new product development.
5. Definition of, and compliance with, a world-class build/release and configuration management process.

This position will report in to Director of engineering & the roles & responsibilities are as below: 

1. Identify the technologies that would be used for the product.
2. Recommend the development methodology and framework for the project.
3. Provide the overall design and structure to the application.
4. Ensure that the product is adequately defined & documented.
5. Establish design/coding guidelines and best practices, and drive usage of design patterns.
6. Enforce compliance with coding guidelines using code reviews etc.
7. Build solution which is easily configurable, deploy-able and secure in SaaS environment.
8. Responsible for planning product iterations & releasing iterations on schedule.

   The Applicant with a total experience of 10-20years, should have hands-on development experience in Core Java and J2EE with proven expertise in writing application architecture and core design ground up with sound algorithmic thought process enabling bullet-proof application performance in terms of key drivers like security, load, scalability, etc.

   Skills and Technologies:
   1. Versatile experience with delivering highly available services on multiple technology stacks in traditional data centers, public clouds, and private clouds.
   2. Core Java, J2EE, Spring, Hibernate, JMS/Rabbit MQ/Kafka, Web-Services, Oracle, MSSQL, JSP-Servlets, , Design Patterns.

   Nice to have: New edge technology (Hadoop, AWS, Spark, RabbitMQ etc)

   Team mentoring:

   1. Mentor developers for difficult tasks & provide technical advice and guidance to the Tech Leads.
   2. Guide the team is doing POCs and early risk assessments.

      Leadership Abilities:

      • Optimize & effectively manage resources and time of the team members.
      • Identify, track and mitigate risks to the product
      • Should not hesitate to carry out healthy and constructive confrontation with team members, peers and managers for the benefit of Product.
      • Along with a competitive compensation structure, Zycus believes in an open culture learning environment, where everyone gets a chance to share their ideas and deliver par excellence.