Full Stack Developer, Senior

Diaconia

. Analyze legacy source code (C/C++, Oracle) to help decompose high-level business requirements into technical user stories .

Posted 9/29/2026full-timeRemote • United StatesSenior💰 $145,000 - $150,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full-stack development using Java Spring Boot and modern front-end frameworks, alongside strong capabilities in SQL query optimization and microservices deployment in OpenShift environments. Proven ability to analyze legacy code and collaborate effectively in Agile teams while maintaining compliance with IRS security requirements.

Highest-signal resume keywords

Full-Stack DevelopmentJava Spring BootMicroservices DevelopmentSQL Query OptimizationAgile/Scrum Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C/C++OracleJava Spring BootRESTful APIsSQLPL/SQLMicroservicesOpenShiftCI/CD PipelinesPerformance Tuning

Soft Skills

Exceptional CommunicationStakeholder Engagement

Tools & Technologies

JenkinsGitMavenOracle ExadataKubernetes

Certifications & Qualifications

IRS Minimum Background Investigation (MBI) ClearanceTier 2 Investigation

Industry Keywords

AgileFull Lifecycle DevelopmentBig-Data MigrationContainerizationPod Management

Tech Stack

Tools & technologies

AngularJavaJenkinsKubernetesMavenMicroservicesOpenShiftOracleReactSpringSpring BootSpringBootSQLC++

About the role

Key responsibilities & impact

Analyze legacy source code (C/C++, Oracle) to help decompose high-level business requirements into technical user stories
Conduct full-lifecycle implementation, including design, development, unit testing and system testing
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 strategies for Oracle Exadata
Build, deploy and manage microservices in Red Hat OpenShift using CI/CD pipelines
Participate in solution design, code reviews and architectural discussions
Collaborate with cross-functional teams in an Agile/Scrum environment on sprint planning, estimation and backlog refinement
Implement application monitoring, logging and performance optimization best practices

Requirements

What you’ll need

Active IRS Minimum Background Investigation (MBI) clearance that is/was aligned to an IRS contract within the last 2 years; IRS MBI Letter preferred
A current Tier 2 investigation must be active and transferable
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 including complex SQL queries, PL/SQL, stored procedures and performance-tuning strategies for Oracle Exadata
5+ years of professional experience developing microservices within an OpenShift/Kubernetes environment using Jenkins, Git, Maven or similar technologies
5+ years of hands-on experience with OpenShift or other Kubernetes-based platforms, including containerization, pod management and CI/CD pipelines
Exceptional communication and stakeholder engagement skills
U.S. Citizenship required
BS degree in Computer Science, Information Systems, or related field (or equivalent experience)