Ernst and Young

Client Technology Software engineering_Assurance Sr. Engineer/Arch 1 - EY Global Delivery Services

Ernst and Young
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27 days ago
Buenos Aires, ArgentinaSenior

Responsibilities

  • Lead the delivery, design, development, maintenance, and compliance of software or infrastructure solutions for large or complex projects.
  • Perform coding, debugging, testing, troubleshooting, and resolution of complex or escalated project issues.
  • Provide advanced technical expertise and implement continuous improvement plans for solution efficiency, reliability, and value.
  • Collaborate with Development, Engineering, and Architecture teams to develop and engineer solutions.
  • Lead the work group and establish appropriate project expectations, structures, tools, responsibilities, processes, and technical standards.
  • Develop and maintain AI capabilities including language-model fine-tuning, embedding-based NLP applications, agentic systems, and evaluation frameworks.

Requirements

  • Advanced technical proficiency in designing, developing, and debugging solutions.
  • Advanced knowledge of one or more of C#, Java, or Python.
  • More than 10 years of applied experience and significant experience in an internal or external software or platform engineering role.
  • Experience delivering software or platform engineering solutions, providing technical advice, and handling user requirements.
  • Experience with CI/CD delivery using code management, configuration management, and automation tools such as GitHub and ADO.
  • Proficiency fine-tuning language models for text generation, summarization, or question answering.
  • Knowledge of embedding models for similarity matching, clustering, and information retrieval.
  • Familiarity designing and implementing agentic systems that combine AI models with external tools or environments.
  • Ability to design AI and agent evaluation frameworks using metrics, A/B testing, and performance benchmarking.
  • Significant experience building applications with Kubernetes and Docker.
  • A bachelor’s degree in computer science, engineering, IT, mathematics, or a related field is preferred.
  • Microsoft, Google, or AWS certifications are preferred.
  • Experience delivering with modern methodologies is preferred.

Benefits

  • Future-focused skills development and world-class experiences.
  • Flexible work environment and a diverse, inclusive culture connected across global teams.
  • EY supports disability-related adjustments or accommodations during the recruitment process.
Ernst and Young

About Ernst and Young

10,000+ employees

Ernst & Young (EY) provides audit/assurance, tax, consulting, strategy and transactions services to enterprises, financial institutions, and public‑sector clients. Structured as a global network of partner‑owned member firms, it sells professional services on a fee basis, including a dedicated Financial Services Organization for banking, insurance, and capital markets. Headquartered in London, EY was formed in 1989 from the merger of Ernst & Whinney and Arthur Young, and operates in 150+ countries.

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