Date Posted: 03/17/2026
Hiring Organization: Rose International
Position Number: 498468
Industry: Telecommunications
Job Title: Senior Java Developer
Job Location: Alpharetta, GA, USA, 30005
Work Model: Onsite
Shift: Standard business hours.
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 9
Min Hourly Rate($): 60.00
Max Hourly Rate($): 65.00
Must Have Skills/Attributes: A/B testing, AWS, Azure, Java, Python, Typescript
Experience Desired: Hands-on experience with Python (primary), or TypeScript/Java (6+ yrs); Experience building AI agents or LLM-powered applications (6+ yrs); Designing scalable microservices and integrating APIs (6+ yrs); Handling hallucinations, prompt engineering, and evaluations (6+ yrs)
Preferred Education: Bachelor’s Degree
Job Description
***Only qualified Senior Java Developer candidates located near Alpharetta, GA, to be considered due to the position requiring an onsite presence. ***
Required Skills, Experience, & Abilities:
Core Software Engineering Skills (Must Have)
- Strong coding in Python (often primary) and/or TypeScript/Java.
- Solid fundamentals: data structures, APIs, concurrency/async, error handling, clean architecture.
- Experience building microservices and integrating with internal/external APIs.
- Familiarity with CI/CD, automated testing, code reviews, and release management. Agentic / LLM Engineering Skills (Must Have)
- Designing and implementing agent workflows: planning? tool selection? execution? verification.
- Tool/function calling patterns and building reliable tool interfaces (idempotency, retries, timeouts).
- Prompt engineering plus prompt/version management and safe prompt templating.
- Handling non-determinism: evaluations, guardrails, deterministic fallbacks, and replayable runs.
- Building multi-step orchestration (state machines, DAGs, workflow engines, or agent frameworks). Retrieval + Knowledge Integration (Often Required)
- Building RAG pipelines: chunking, embeddings, indexing, retrieval strategies, and reranking.
- Working knowledge of vector databases (e.g., Pinecone, pgvector, FAISS, Weaviate) and search.
- Grounding and citation approaches; freshness and permission-aware retrieval. Reliability, Safety, and Governance
- Implementing guardrails: PII redaction, prompt injection defenses, policy filters, and allow/deny tool lists.
- Designing for observability: tracing agent steps, tool calls, latency, token/cost metrics.
- Building robust fallbacks (rule-based flows, smaller models, cached answers, human escalation).
- Secure handling of secrets and credentials; least-privilege tool access. Evaluation & Quality (Critical for Agentic Systems)
- Creating evaluation suites: golden tasks, regression sets, scenario tests, adversarial tests.
- Defining success metrics (task completion rate, groundedness, hallucination rate, latency, cost).
- Experience with A/B testing or online evaluation in production. Platform/Infrastructure (Preferred)
- Cloud experience (AWS/Azure/GCP), containers (Docker), optionally Kubernetes.
- Familiarity with scalable data pipelines and queues (Kafka/SQS/PubSub) for async agent work.
- Experience optimizing inference costs/latency (model choice, batching, caching, token reduction).
Nice-to-Haves
- Experience with frameworks like LangChain, LlamaIndex, or workflow engines (Temporal, Step Functions, Airflow).
- Knowledge of security engineering relevant to LLM apps (prompt injection, data exfiltration patterns).
- Domain expertise in the product area (e.g., telecom operations, network management, customer support). Soft Skills
- Strong cross-functional collaboration with product, security, and platform teams.
- Ability to translate business workflows into agent capabilities and measurable outcomes.
- Comfortable operating in ambiguity and iterating from prototype ? hardened production.
Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.
California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.
Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.
If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.
Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).
I have been very pleased with my experience with Rose International. Everyone that I encountered was very helpful and courteous.
Stephanie, Consultant
I believe the best thing that Rose HR has going for it is the incredible responsiveness. Everyone is very quick to reply to any concerns, and contacts the contracted employees very quickly and efficiently.
Kevin, Consultant
Your team at Rose International is always very helpful and responsive.
Barbara, Consultant
As a contractor, I have to say that Rose International was by far the best agency I have worked for.
Q'testdalir, Consultant
Any time I did have a question and called, the phone was always answered, and my question/concern was immediately resolved.
Sally, Consultant
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