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Job Description & How to Apply Below
Who We Are
Based in The Romania Excellence Centre, Bucharest, our client values teamwork, pioneering technology, and innovation. You will be part of a global and diverse team, contributing to all stages of the software development lifecycle and leading the implementation, deployment, and testing of multi‑agent systems.
Also, This Role Will Give You The Chance To
Use frameworks like Google Agent Development Kit (Google ADK) and Lang Graph to build robust, controllable, and observable agentic architectures.
Assist in the design of LLM‑powered agents and multi‑agent workflows (planning, tool use, orchestration, memory, and human‑in‑the‑loop).
What You’ll Be Doing
Design and build complex agentic systems with multiple interacting agents.
Implement robust orchestration logic (state machines / graphs, retries, fallbacks, escalation to humans).
Implement RAG pipelines, tool calling, and sophisticated system prompts for optimal reliability, latency, and cost control.
Apply core ML concepts to evaluate and improve agent performance, including dataset curation and bias/safety checks.
Lead the development of agents using Google ADK and/or Lang Graph, leveraging advanced features for orchestration, memory, evaluation, and observability.
Integrate with supporting libraries and infrastructure (e.g., Lang Chain/Llama Index, vector databases, message queues, monitoring tools) with minimal supervision.
Define success metrics, build evaluation suites for agents (automatic + human evaluation), and drive continuous improvement.
Curate and maintain comprehensive prompt/test datasets; run regression tests for new model versions and prompt changes.
Deploy and operate AI services in production, establishing CI/CD pipelines, observability, logging, and tracing.
Debug complex failures end‑to‑end, identifying and documenting root causes across models, prompts, APIs, tools, and data.
Work closely with product managers and stakeholders to shape requirements, translate them into agent capabilities, and manage expectations.
Document comprehensive designs, decisions, and runbooks for complex systems.
What We’re Looking For
Bachelor’s degree in Computer Science, Engineering, or related field.
At least 3 years of experience as Software Engineer / ML Engineer / AI Engineer, with at least 1‑2 years working directly with LLMs in real applications.
Programming & Software Engineering
Strong proficiency in Python (core language features, packaging, testing, async, type hints).
Very strong software engineering practices: version control (Git), unit/integration testing, code reviews, CI/CD.
Experience building and consuming REST/gRPC APIs and integrating external tools/services.
Machine Learning (good Understanding)
Understanding of core ML concepts: supervised/unsupervised learning, train/validation/test splits, overfitting, regularization, and common metrics (precision, recall, F1, ROC‑AUC, etc.).
Good understanding of deep learning basics (neural networks, embeddings) and at least one ML/DL framework (PyTorch, Tensor Flow, JAX, scikit‑learn).
LLMs & Agentic AI (very Strong Understanding)
Deep practical knowledge of large language models.
Tokenization, context windows, temperature, top‑p, system vs user prompts.
Prompt engineering patterns (ReAct, chain‑of‑thought, tool‑calling / tool‑use).
Fine‑tuning / adapters / instruction‑tuning, or experience with RAG as an alternative.
Experience building LLM‑powered applications end‑to‑end: from idea → prototype → production.
Familiarity with safety and reliability considerations: hallucinations, guardrails, content filtering, privacy.
Agentic Frameworks (required Understanding, Experience Preferred)
Conceptual understanding of modern agentic frameworks and patterns (stateful graphs, multi‑agent coordination, human‑in‑the‑loop, memory, and evaluation).
Hands‑on experience with at least one of:
Google Agent Development Kit (ADK) – building multi‑agent workflows, using its orchestration, tools, and evaluation features.
Lang Graph – designing graph‑based, stateful agent workflows with cycles, branches, and durable execution.
Candidates must be able to read, reason…
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