Java Developer (multiple Roles & Levels) Job in Novopay

Job Description

• Sound knowledge of data structures, algorithms and object-oriented programming

• Strong design skills including data modelling.

• Good problem solving and complexity analysis skills.

• Deep understanding of multi-threading, asynchronous environments, memory management, networking, caching, performance optimization and security.

• Hands on experience in Spring, Springboot, Hibernate, SQL.

• Experience with modern build strategies, continuous integration, unit testing, test driven development, static analysis, and automated integration tests.

• Experience with Test-Driven Development (TDD) and Behaviour-Driven Development (BDD) practices.

• Hands on experience with code management tools like git.

• Ability to write clean, modular, reusable, scalable, efficient, well documented and unit tested code to solve business problems

• Proficiency in Java, SQL and good problem solving skills.

• Preferred knowledge in Spring, Springboot, Hibernate, Microservices architecture, RESTful APIs, Git

• Familiarity with multi-threading, asynchronous environments, memory management, networking, caching, performance optimization and security would be a plus.

• It would be a plus if you have experience with one or more of the following:

• NOSQL - Mongo/Elasticsearch

• Redis

• Kafka

• Angular

• AWS

• Backend application design and development

• Task break up and effort estimations

• Mentoring the juniors and interns

• End to End ownership of modules

• Back End: We write lots of microservices, primarily with Java 8 and Node.js. Our APIs are RESTful and use the Spring framework. We take advantage of Kafka, Redis, Elasticsearch for processing large volumes of data. Our applications process over a million transactions per day in production!

• Front End: Our web applications are complex, single-page apps written in JavaScript (Angular, React JS, SCSS).

• Mobile App: Our mobile applications for Android are built using both Java and Kotlin and have 100,000+ users.

• Core Data, Infrastructure, & Reliability: Our core platform is cloud native, Docker ready and designed for autoscaling. Our DevOps stack ensures high availability, fault tolerance and autoscaling using Nginx, HAProxy, AWS Auto Scale Group & Docker. We use MySQL for transactional data, MongoDB & Elasticsearch for unstructured data & events, Redis for distributed cache, Kafka for message queues.