Principal Core Java on W2 only

Job Title : Principal Core Java

Location : Chicago, Hybrid

Primary Duties and Responsibilities :

To perform this job successfully, an individual must be able to perform each primary duty satisfactorily.

Support the application development of big data application for business requirements in agreed architecture framework and Agile environment

Thoroughly analyzes requirements, develops, tests, and documents software quality to ensure proper implementation

Follows agreed upon SDLC procedures to ensure that all information system products and services meet : both explicit and implicit quality standards, end-user functional requirements, architectural standards, performance requirements, audit requirements, security rules are upheld, and external facing reporting is properly represented

Performs application and project risk analysis and recommends quality improvements

Assists Production Support by providing advice on system functionality and fixes as required

Communicates in a clear and concise manner all time delays or defects in the software immediately to appropriate team members and management

Experience with resolving security vulnerabilities

Qualifications :

The requirements listed are representative of the knowledge, skill, and / or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the primary functions.

5 year of experience in building high speed, data-centric solutions

5 years of experience in Java

Experience with high speed distributed computing frameworks like FLINK, Apache Spark, Kafka Streams, etc

Experience with distributed message brokers like Kafka, RabbitMQ, ActiveMQ, Amazon Kinesis, etc.

Experience with cloud technologies and migrations. Experience preferred with AWS foundational services like VPCs, Security groups, EC2, RDS, S3 ACLs, KMS, AWS CLI and IAM etc

Experience developing and delivering technical solutions using public cloud service providers like Amazon, Google

Experience writing unit and integration tests with testing frameworks like Junit, Citrus

Experience working with various types of databases like Relational, NoSQL, Object-based, Graph

Experience following Git workflows

Working knowledge of DevOps tools like Terraform, Ansible, Jenkins, Kubernetes, Helm and CI / CD pipeline etc

Familiarity with monitoring related tools and frameworks like Splunk, ElasticSearch, Prometheus, AppDynamics

Technical Skills :

Java-based software development experience, including deep understanding of Java fundamentals like Memory Model, Data structures, Concurrency and Multithreading

Fluent in object-oriented design, industry best practices, software patterns, and architecture principles

Strong testing experience which includes developing test plans, automated test cases, and working with test frameworks

Deep understanding to troubleshoot performance and multi-threaded issues

Experience with performance optimization and profiling

Experience working with two or more of the following : Unix / Linux environments, event-driven systems, transaction processing systems, distributed and parallel systems, large software system development, security software development, public-cloud platforms

Hands-on experience with Java version 8 onwards, Spring, SpringBoot, Microservices, REST API

Education and / or Experience :

BS degree in Computer Science, similar technical field required

MS in Computer Science

Certificates or Licenses :

OCP Java SE 8 Programmer Certification

AWS Certified Solutions Architect – Associate Level