Apetan Consulting LLC · 8 hours ago
Principal Software Engineer
Woodlawn, MD
Contract
Onsite
Lead/Staff
10+ years expApetan Consulting LLC is seeking a Principal Software Engineer to design and develop software applications using modern methodologies and technologies. The role involves collaborating with cross-functional teams, developing innovative UI designs, and ensuring compliance with various standards while leading technical solutions.
Information Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design and develop software applications using Twelve-Factor App methodology from functional requirements
Develop highly innovative UI design, Web components, achieved through collaboration and dialogue with other experts in the field
Implementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery
Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules
Design Web Page components that are compliant with Section 508 of the Rehabilitation Act (29 U.S.C. 794d)
Design and develop Microservices using Spring Boot, Java and RESTful architecture
Solid understanding of DevOps practices, CI/CD pipelines, and tools such as Jenkins, Git, Bitbucket, OpenShift and experience with cloud platforms (AWS, Azure, or Google Cloud) and containerization technologies
Develop and maintain Enterprise Java Batch application using Java Specification Request (JSR) 352 specification and schedule Java Batch jobs using Control-M
Develop Simple Object Access Protocol (SOAP) based Web Services using technologies such as JAX-WS, Apache Axis, and Web Services Description Language (WSDL). Implement Web Service Security using WS-Security using existing IBM DataPower infrastructure. Ensure interoperability with Web Services-Interoperability (WS-I) standards, and optimize message transmission using Message Transmission Optimization Mechanism (MTOM) or SOAP with Attachments (SWA)
Ability to collaborate with cross-functional teams, including business analysts, QA, and project managers and commitment to continuous learning and staying updated with emerging technologies
Develop the Data Access Layer (DAO) to interface the application with IBM DB2 9.0 and PostgreSQL databases running on z/OS mainframe and Linux operating systems and other platforms, utilizing JPA or Spring Data API for querying and retrieving data through Object Relational Mapping (ORM)
Create POCs, templates for developing Behavior Driven Development (BDD) test framework for the APIs using Cucumber, Gherkin, and Java to implement Integration tests
Develop unit test cases for every possible Java class with real scenarios using Junit, Mockito and Power Mock frameworks
Use Visio, Confluence and IT Governance Frameworks to document the solution architecture & develop UML based design documents
Attend all customer technical discussions/design/development meetings and provide viable technical solutions to further enhance the existing architecture and improve code quality/process
Impact functional strategy by developing new solutions, processes, standards, or operational plans that position Leidos competitively in the marketplace
Provide guidance/support to other junior/mid-level developers
Experience as hands on Technical Lead
All other duties as assigned or directed
Qualification
Required
Must have Public Trust clearance
Bachelor's Degree in Computer Science, Mathematics, Engineering or a related field
Masters or Doctorate degree may substitute for required experience
10+ years of experience with Java, Spring Boot, Angular, React
Extensive Design and Programming skills in Java and JEE technologies
Extensive hands-on experience with one or more frameworks such as Angular, React, and Express/Node.js
Experience as hands on Technical Lead
Experience working on Agile projects and strong knowledge of Agile terminology and tools including Agility
Selected candidate must be willing to work on-site in Woodlawn, MD 5 days a week
Strong experience with Java, OpenShift/ Amazon Web Services (AWS), Agile Development, Angular/React, JavaScript, Kafka, Spring Boot, Spring Batch, and Web Services
Design and develop software applications using Twelve-Factor App methodology from functional requirements
Develop highly innovative UI design, Web components, achieved through collaboration and dialogue with other experts in the field
Implementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery
Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules
Design Web Page components that are compliant with Section 508 of the Rehabilitation Act (29 U.S.C. 794d)
Design and develop Microservices using Spring Boot, Java and RESTful architecture
Solid understanding of DevOps practices, CI/CD pipelines, and tools such as Jenkins, Git, Bitbucket, OpenShift and experience with cloud platforms (AWS, Azure, or Google Cloud) and containerization technologies
Develop and maintain Enterprise Java Batch application using Java Specification Request (JSR) 352 specification and schedule Java Batch jobs using Control-M
Develop Simple Object Access Protocol (SOAP) based Web Services using technologies such as JAX-WS, Apache Axis, and Web Services Description Language (WSDL)
Implement Web Service Security using WS-Security using existing IBM DataPower infrastructure
Ensure interoperability with Web Services-Interoperability (WS-I) standards, and optimize message transmission using Message Transmission Optimization Mechanism (MTOM) or SOAP with Attachments (SWA)
Ability to collaborate with cross-functional teams, including business analysts, QA, and project managers and commitment to continuous learning and staying updated with emerging technologies
Develop the Data Access Layer (DAO) to interface the application with IBM DB2 9.0 and PostgreSQL databases running on z/OS mainframe and Linux operating systems and other platforms, utilizing JPA or Spring Data API for querying and retrieving data through Object Relational Mapping (ORM)
Create POCs, templates for developing Behavior Driven Development (BDD) test framework for the APIs using Cucumber, Gherkin, and Java to implement Integration tests
Develop unit test cases for every possible Java class with real scenarios using Junit, Mockito and Power Mock frameworks
Use Visio, Confluence and IT Governance Frameworks to document the solution architecture & develop UML based design documents
Attend all customer technical discussions/design/development meetings and provide viable technical solutions to further enhance the existing architecture and improve code quality/process
Impact functional strategy by developing new solutions, processes, standards, or operational plans that position Leidos competitively in the marketplace
Provide guidance/support to other junior/mid-level developers
Preferred
Experience in designing high-throughput and low-latency systems, including architecting scalable solutions capable of handling large volumes of concurrent requests with minimal response times
Experience in developing the applications using Single-Page Application Architecture
Proficient in implementing efficient data processing pipelines, optimizing application performance through asynchronous processing, caching strategies, and load balancing
Experience in coding 'responsive' web pages with an understanding of the cross-browser limitations and browser compliance standards
Experience designing and deploying cloud-native applications onto AWS with PostgreSQL
Deep Knowledge of PaaS offerings such as Red Hat OpenShift and Docker
Experience with modern software development tools for Continuous Integration including Jenkins, Git/BitBucket, Jira, Nexus, Maven, Jenkins, SonarQube, Fortify, and UrbanCode Deploy
Experience with Web Services Technologies (XML, JAXP, JAXB, JAX-WS, AXIS, JERSEY, JSON, CXF, REST and SOAP) and Security (LTPA, OAUTH2/JWT)
Hands-on Design and development experience on Microservices and RESTful API
Experience with Automated unit test (i.e. JUnit, Mocking frameworks), Test Driven Development (TDD), and Behavior-driven development (BDD) (Cucumber)
Experience with JEE technologies including Struts, Spring Framework (IoC, MVC, Transactions, Security, and Batch), Spring Boot, Spring JDBC, JPA, Hibernate, SOAP/RESTful, XML, DB2, Tomcat, WebSphere
Experience with static code analyzers like SonarQube and addressing SonarQube recommended technical debts such as bugs, vulnerabilities, hotspots in the code
Knowledge of security vulnerabilities in web applications and addressing them
Experience with performance tuning software applications for effective CPU, Memory utilization, Quick turnaround response time, building highly scalable software applications in Cloud Environment handling higher volume of data and traffic
Proficient in designing and implementing Kafka-based event-driven architectures, including the use of Kafka producers, consumers, topics, partitions, and consumer groups for scalable and fault-tolerant data streaming
Demonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures
Experience with the implementation of Section 508 standards for Web Applications
Exposure to writing Technical White Papers and systems design documents
Prior experience with federal or state governments IT projects
Experience with low code platforms like ServiceNow, Pega, MS Power Platform etc
Strong communication and documentation skills
Company
Apetan Consulting LLC
We are a prominent executive search & selection company, providing a wide range of recruitment solutions for various requirements.
201-500 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase