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# Senior Full Stack Engineer ID85606

- **Company:** AgileEngine, LLC
- **Location:** McLean, VA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Microsoft Azure, Databases, Relational Databases, Database Queries, Software Design Patterns, Hibernate (Java), Java Persistence API, PostgreSQL, Object-Oriented Software Development, Oracle (Applications), Software Engineering, SQL Databases, Sql Optimization, Delivery Pipeline, Spring-boot, Core Api, Backend, Containerization, AngularJS, Gitlab-ci, Transactional Database, Front End Software Development, Restful APIs, Domain Driven Design, Docker, Jenkins
- **Published:** November 5, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pwoaows9zt

## About the Role

* Core Stack: Advanced proficiency in Java (Spring Boot) and a solid working knowledge of Angular, of at least 4 years.
 * Design Fundamentals: A strong grasp of Object-Oriented Design (OOD) and software design patterns.
 * API Knowledge: Deep experience building and consuming RESTful services with a clear understanding of standard API protocols.
 * Database & Advanced SQL (Strict Rejection Criteria): Experience working with relational databases (PostgreSQL, Oracle) and JPA/Hibernate. Candidates must have robust transactional database experience (Oracle, Postgres), strong SQL skills to navigate and optimize very complex SQL, and a thorough understanding of enterprise-level, high-transactional platforms. Lacking this specific database proficiency will be a direct reason for rejection.
 * The "Backend-Heavy" Mindset: A passion for server-side logic, performance, and architecture.
 * Upper-intermediate English level., * Highly desirable: Experience working with spec-driven development or related (AI-Driven Software Development Life Cycle).
 * Domain Experience: Previous experience in the Loyalty or Fintech sectors.
 * Experience with cloud platforms (AWS or Azure) and containerization (Docker).
 * Knowledge of CI/CD pipelines (Jenkins, GitLab CI).
 * Experience refactoring legacy structures into modern, domain-driven architectures.

## Description

* Core Development: Spend the majority of your time (approx. 70-80%) designing and implementing robust backend services using Java and Spring Boot.
 * Frontend Integration: Build and maintain the supporting Angular frontend, ensuring a seamless connection between the UI and your backend logic.
 * Modernizing Architecture: Lead the transition from traditional database-centric designs toward a domain-driven structure (DDD).
 * API Excellence: Architect RESTful APIs that prioritize proper HTTP verbs and clean, scalable patterns over legacy RPC styles.
 * Collaboration: Work within cross-functional squads to deliver high-quality features while maintaining the "cohesive and proactive" spirit of the team.