Application Engineer

We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.

Key Responsibilities:

• Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
• Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
• Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
• Collaborate with cross-functional teams to define, design, and implement new features and improvements.
• Troubleshoot and resolve issues related to system performance, scalability, and reliability.
• Ensure software quality through best practices, including testing, code reviews, and continuous integration.
• Implement and maintain security best practices in both code and data handling.
• Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.

Required Skills & Qualifications:

• 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
• Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
• Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
• Experience with microservices architecture and RESTful APIs.
• Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
• Strong understanding of distributed systems, message-driven architectures, and event streaming.
• Familiarity with version control systems like Git.
• Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
• Experience with CI/CD pipelines and automated testing.

Java Developer – Job Description 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. - 4 to 7 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 clientfacing 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.

Since 1988 Quicken has been the top personal management software for millions of

consumers. We pioneered a radically easier and faster way for people to manage their

household finances. Since then we’ve continued to focus on delighting customers and

making the Quicken product and experience better than ever.

Job Title: Lead Software Engineer-Quicken Cloud Services

Department: Product Development

Job Summary:

Quicken is the #1 personal finance management software with a 30-year heritage of helping

millions of individuals and families stay on top of their finances. We are going through a

transformation, as we recently completed the divestiture from Intuit, with a renewed focus on

product improvement, growth, and customer satisfaction. We are working on a strategy to

deliver awesome personal finance experience to our customers across Windows, Mac, iOS,

Android, and web. This is an opportunity to work in a customer-driven company with a

collaborative team that values technical excellence, innovation and creativity, while being

good to each other and having fun!

We’re looking for an experienced software engineer to be a key contributor developing

cloud- based services that will drive the future of the business. You will join our small and

dynamic Cloud Services team, using the latest technology and tools to build high-quality,

cross-platform solutions that delight our customers. Come make an impact on the technical

future of Quicken!

Responsibilities:

• Lead Software Engineer is a technical hands-on role, with responsibilities ranging

from being at the vanguard of solving technical problems to venturing into

unchartered areas of technologies to solve complex problems.

• Directly responsible for consistently delivering scalable, production-ready backend/

server code in Java for Quicken Cloud Services, from design and development

to deployment, as a member of an Agile development team.

• Partner closely with a cross-functional team of key stakeholders (Engineers,

Architects, Product Managers, QA, Operations, and Business Partners) to

understand requirements, design and implement end- to-end solutions that meet

user needs as well as engineering/operational/business goals.

• Display a passion for high quality, continuous learning, and experimenting and

applying cutting-edge technology, software paradigms, and engineering process

improvements, while fostering this culture across the team.

Qualifications:

• 7 - 10 years of software engineering experience, including a successful track record

developing customer-facing SaaS/PaaS products.

• 3+ years working experience in core Java and Spring Framework, preferably with

Spring Cloud Netflix.

• 3+ years working experience within microservice architecture, specifically utilizing

REST services, XML, and JSON.

• Excellent programming discipline: data structures, complexity analysis, objectoriented

principles, design patterns, and unit testing.

• Experience with API development and integration with 3rd-party services is

preferred.

• Excellent understanding of O/R mapping concepts and tools (Hibernate, JPA).

• Fluent in Databases/SQL (MySQL experience preferred).

• Extensive experience in developing applications which are deployed in AWS. AWS

experience is a big plus.

• Team player with can-do attitude to independently own and drive projects.

• Strong experience working with an Agile development team with rapid iterations.

• Ability to work well with others in a geographically distributed team.

• Exceptional verbal and written communication skills.

• BS/MS in Computer Science/Engineering or equivalent

What we offer:

• Competitive salary and performance bonus

• Equity

• Amazing culture, strong believers in Autonomy/Mastery/Purpose

• Customer-driven, we make money by building the best products for our users. No

confusion about how to win – build amazing products!

• Ability to work with and manage incredible talent

• Highly recognizable brand in US

• Bachelor/Master's in computer science or relevant fields
• 10+ years of Relevant Experience
• Strong sense of ownership
• Excellent Java and object-oriented development skills
• Experience in building and scaling microservices
• Strong Knowledge in RDBMS & NoSQL databases
• Strong problem-solving skills, technical troubleshooting and diagnosing
• Expected to be a role model for young engineers, have a strong sense of code quality, and enforce code quality within the team
• Excellent understanding of Debugging performance and optimization techniques
• Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
• Experience in developing any large scale Experience in cloud technologies
• Demonstrated ability to deliver in a fast-paced environment

• Have at least 3 years work experience in Java 8 or higher / J2EE Java development.

• Have experience of agile systems development methodologies such as SCRUM
• Experience in designing the solution and implementation.
• Is a communicative, positive, outgoing and driven team player.
• Solution-oriented, see opportunities and proactively proposing new solutions, speak and write fluently in English.
• Good to have certifications in Java, Spring etc.
• Experience in Java 8.

• Experience in Spring Boot and other spring framework like Spring data, AOP etc.
• Experience in MongoDB/ Kafka / RabbitMQ etc.
• Experience in REST API
• Have worked on microservices
• Should have worked on minimum 2- 3 projects
• Experience in writing effective Unit test case for better coverage.
• Experience in writing good quality code by following code quality tools likes SonarQube etc.

• Build data pipelines for structured/unstructured, real-time/batch, events/synchronous/asynchronous using MQ, Kafka, Steam processing using Java / Python
• Design the Data stores for Big Data systems with expertise in Cassandra, HBase
• Implementation of Indexing and Search using Elasticsearch
• Setup and Deployment of Cassandra, Elasticsearch clusters

• Strong hands-on experience with Cassandra, data modeling, data replication, clustering, indexing for handling for large data sets
• Experience with SQL, NoSQL, relational database design, and methods for efficiently retrieving data for Time Series Analytics
• Strong understanding of CQL, Data Modeling in-order to achieve highly performant data access
• Strong experience in data modeling in Cassandra to design efficient storage model to meet variety of business needs
• Should have Elasticsearch skill with significant experience working with large Elasticsearch clusters, cluster performance optimisation, capacity planning, enhancing monitoring capabilities for early issue detection, driving operational readiness and ongoing maintenance
• Strong hands-on experience of programming with Java / Python
• Ability to troubleshoot and investigate stability, performance issues