Rimini Street - Senior Full Stack Software Engineer - Java/AngularJS (9-12 yrs)

Posion Summary:

The Senior Soware Engineer (Full Stack) is a core member of the Product Delivery engineering team building Rimini Streets Agenc ERP Plaorma strategic product that enables AI agents to interact with legacy ERP systems including SAP, Oracle E-Business Suite, and JD Edwards. This role contributes across the full technology stack, from backend plaorm services and MCP (Model Context Protocol) servers to AI agent integraon and frontend user interfaces.

Reporng to the Sr. Director, Engineering, this engineer will design, develop, and deliver producon-quality soware in a modern tech stack spanning Java, Python, and Angular. The ideal candidate is a versale engineer who thrives working across layers of the stack, takes ownership of features end-to-end, and is energized by building a new plaorm from the ground up.

Essenal Dues & Responsibilies:

Backend Development:

- Design and develop backend services using Java 21 and Quarkus, including MCP servers, REST APIs, and plaorm services.

- Build and maintain integraon components that connect AI agents to enterprise ERP systems (SAP, Oracle EBS, JD Edwards).

- Develop data access layers using PostgreSQL, including working with pgvector for vector storage and similarity search.

- Implement resilience paerns (circuit breakers, retries, bulkheads) using Resilience4j for producon reliability.

- Write clean, testable, well-documented code following established engineering standards and architectural paerns.

AI & Agent Integraon:

- Develop AI agent components using Python and frameworks such as Pydanc AI or LangChain4j.

- Integrate with LLM services through LiteLLM gateway, implemenng prompt templates, tool calling, and response handling.

- Build and maintain RAG (Retrieval-Augmented Generaon) pipelines for contextual knowledge retrieval.

- Implement orchestraon workflows using Restate for mul-step agent processes with human-in-the-loop checkpoints.

Frontend Development:

- Build user interfaces using Angular and TypeScript, contribung to the plaforms component library and design system.

- Develop human-in-the-loop interfaces that allow users to supervise, approve, and intervene in agent acons.

- Implement responsive, modern layouts using CSS3, Tailwind CSS, and Angular Material or similar component frameworks.

- Create dashboards, admin panels, and monitoring views for agent performance and system health.

- Build reusable UI components with clean HTML5 semancs, SCSS/CSS architecture, and consistent styling paerns.

- Ensure accessible (WCAG compliant), performant frontend experiences across browsers and devices.

- Work with design specificaons and wireframes to translate UX designs into pixel-accurate implementaons.

Engineering Pracces:

- Parcipate in code reviews, design discussions, and technical design reviews.

- Write unit tests, integraon tests, and contribute to automated tesng frameworks.

- Contribute to CI/CD pipeline development and deployment automaon.

- Instrument code with OpenTelemetry for distributed tracing, metrics, and logging.

- Collaborate with team members across me zones in a virtual team environment.

- Contribute to technical documentaon, architecture decision records, and knowledge sharing.

Experience:

- 9+ years of professional soware engineering experience in full stack development.

- Strong backend development experience with Java (Java 11+); experience with Quarkus or Spring Boot.

- Working proficiency in Python; experience building services or scripts in Python.

- Frontend development experience with Angular (v14+), TypeScript, and modern CSS (Tailwind, SCSS, or CSS-in-JS).

- Experience building component libraries or contribung to design systems.

- Experience with relaonal databases, parcularly PostgreSQL.

- Familiarity with RESTful API design and microservices architecture.

- Experience with Git, CI/CD pipelines, and modern development workflows.

- Experience working in agile teams with iterave delivery pracces.

Technical Skills:

Required:

- Java 11+ (Java 17/21 preferred) with strong understanding of modern Java features.

- Experience with Quarkus or Spring Boot for building microservices and REST APIs.

- Python proficiency for AI/ML integraon work and scripng.

- Angular (v14+) and TypeScript for frontend development; strong component architecture skills.

- Solid CSS3/SCSS skills including responsive design, flexbox, and grid layouts.

- Experience with Tailwind CSS or similar ulity-first CSS frameworks.

- Proficiency with HTML5 semancs and modern web standards.

- PostgreSQL and SQL; experience with data modeling and query opmizaon.

- RESTful API design and implementaon; familiarity with OpenAPI/Swagger.

- Git version control and collaborave development pracces.

- Understanding of containerizaon (Docker) and basic Kubernetes concepts.

Preferred:

- Experience with AI/ML frameworks: Pydanc AI, LangChain, or LangChain4j.

- Familiarity with LLM integraon paerns, prompt engineering, and tool calling.

- Experience with vector databases (pgvector, Qdrant) and embedding models.

- Experience with Angular Material, PrimeNG, or similar Angular component libraries.

- Knowledge of web accessibility standards (WCAG 2.1) and cross-browser compability.

- Experience with frontend tesng frameworks (Jasmine, Karma, Cypress, or Playwright).

- Knowledge of MCP (Model Context Protocol) or similar agent-tool integraon paerns.

- Experience with Restate, Temporal, or similar workflow orchestraon frameworks.

- Familiarity with OpenTelemetry, Jaeger, or Prometheus for observability.

- Experience with enterprise integraon paerns: messaging, event-driven architecture, RFC/BAPI.

- Knowledge of SAP or Oracle EBS integraon technologies.

- Experience with Resilience4j or similar resilience libraries.

- Familiarity with LiteLLM or similar LLM gateway tools.

Skills & Competencies:

- Strong problem-solving skills with the ability to debug complex issues across mulple layers of the stack.

- Ownership mentalitytakes responsibility for features from design through producon deployment.

- Ability to learn quickly and adapt to new technologies, frameworks, and domains.

- Good communicaon skills; able to discuss technical approaches clearly with team members.

- Aenon to detail and commitment to code quality, tesng, and documentaon.

- Collaborave mindset; comfortable working in a distributed team across me zones.

- Self-movated and able to work independently in a remote environment.

- Fluent in English (wrien and verbal).

Desired Qualificaons:

- Bachelors degree in Computer Science, Engineering, or related field, or equivalent praccal experience.

- Experience in enterprise soware or plaorm product development.

- Exposure to ERP systems (SAP, Oracle, JD Edwards) in any capacity.

- AWS or Kubernetes cerficaons.

- Contribuons to open source projects