Full Stack Developer/Sr. Software Developer

Diaconia; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

Diaconia is seeking a Full Stack Developer/Sr. Software Developer to design, develop, and maintain enterprise applications in a mission-critical environment. The role emphasizes Java Spring Boot microservices, Oracle Exadata integration, and OpenShift deployment.

You will work in an Agile team, contribute to code reviews, optimize performance, and ensure secure, scalable solutions. U.S. citizenship and active security clearances are required.

Qualifications

• 5+ years of professional software development experience, including 3+ years of full-stack
• 5+ years of professional full lifecycle software development using Java Spring Boot, RESTful APIs and/or modern front-end frameworks
• 5+ years of professional experience with big-data migration efforts that include development of efficient complex SQL queries, PL/SQL, stored procedures and performance-tuning strategies for Oracle Exadata
• 5+ years of professional experience in development of microservices within an OpenShift / Kubernetes environment leveraging Jenkins, Git, Maven or similar technologies
• 5+ years of hands-on experience with OpenShift or other Kubernetes-based platforms (containerization, pod management, CI/CD pipelines)
• U.S. Citizenship required due to highly sensitive federal client responsibilities

Responsibilities

• Conduct analysis of legacy source code to assist in decomposing requirements into user stories
• Conduct full-lifecycle implementation to meet approved user stories and acceptance criteria
• Design, develop, and maintain full-stack web applications using Java Spring Boot, RESTful APIs and modern front-end frameworks
• Develop efficient SQL queries, stored procedures, and performance-tuning for Oracle Exadata
• Build, deploy, and manage microservices in OpenShift with CI/CD pipelines
• Participate in solution design, code reviews, and architecture discussions for scalable and secure apps
• Collaborate with Agile/Scrum teams on sprint planning and backlog refinement
• Implement monitoring, logging, and performance optimization

Skills

Java Spring Boot

RESTful APIs

React/Angular

Communication

Education

Bachelor's degree in Computer Science/Information Systems or related field

Tools

OpenShift

Kubernetes

Jenkins

Git

Maven

Oracle Exadata

SQL/PLSQL

Job description

All Jobs > Full Stack Developer/Sr. Software Developer

Full Stack Developer/Sr. Software Developer

Remote Worker - N/A

Full-time

Description

Diaconia is a leader in technology solutions, digital transformation, etc, committed to delivering innovative products and services. We are seeking a highly skilled Full-Stack Developer to design, develop, and maintain enterprise-level applications in a mission-critical environment. The ideal candidate will bring deep expertise in Java Spring Boot microservices-based development, strong SQL skills for Oracle Exadata database integration, and hands‑on experience deploying and managing applications in Red Hat OpenShift container platforms.

Key Responsibilities

• Conduct analysis of legacy source code (C/C++, Oracle) as required to assist in decomposing high-level business requirements into user stories (technical requirements)
• Conduct full-lifecycle implementation (design, development, unit test, system test) efforts to implement high-quality code that meets approved user stories / acceptance criteria
• Design, develop, and maintain full-stack web applications using Java Spring Boot, RESTful APIs, and modern front-end frameworks (React, Angular, or similar).
• Develop efficient SQL queries, stored procedures, and performance-tuning strategies for Oracle Exadata.
• Build, deploy, and manage microservices in Red Hat OpenShift, leveraging CI/CD pipelines for automated builds and deployments.
• Participate in solution design, code reviews, and architectural discussions to ensure scalable and secure applications.
• Collaborate with cross-functional teams in an Agile/Scrum environment, contributing to sprint planning, estimation, and backlog refinement.
• Implement best practices for application monitoring, logging, and performance optimization.

Disclaimer "The responsibilities and duties outlined in this job description are intended to describe the general nature and level of work performed by employees within this role. However, they are not exhaustive and may be subject to change or modification at any time to meet the evolving needs of the organization"

Requirements

Minimum Required Qualifications

• Active IRS Minimum Background Investigation (MBI) clearance that is/was aligned to an IRS contract within the last 2 years. IRS MBI Letter preferred.
• Position requires immediate access to sensitive information systems; therefore, a current Tier 2 investigation must be active and transferable. Mandatory for this position.
• 5+ years of professional software development experience, including at least 3+ years of full-stack development
• 5+ years of professional full lifecycle software development experience using Java Spring Boot, RESTful APIs and/or modern front-end frameworks (React, Angular or similar)
• 5+ years of professional experience with big-data migration efforts that include development of efficient complex SQL queries, PL/SQL, stored procedures and performance-tuning strategies for Oracle Exadata.
• 5+ years of professional experience in development of microservices within an OpenShift / Kubernetes environment leveraging Jenkins, Git, Maven or similar technologies
• 5+ years of hands-on experience with OpenShift or other Kubernetes-based platforms (containerization, pod management, CI/CD pipelines).
• Exceptional communication and stakeholder engagement skills — able to explain complex technical issues clearly to both developers and non-technical audiences
• U.S. Citizenship required due to highly sensitive federal client responsibilities

Education and Certifications Required

BS degree in Computer Science, Information Systems, or related field (or equivalent experience )

Preferred Qualifications

• Experience analyzing Pro*C, COBOL, or other legacy languages.
• Experience with microservices architecture and cloud-native development
• Knowledge of Oracle PL/SQL and database-driven applications.
• Prior experience with federal IT modernization programs.
• Familiarity with BPMN and business process reengineering.