Ernst and Young

Software Engineering Lead

Ernst and Young
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17 days ago
Wrocław, PolandStaff+

Responsibilities

  • Lead the design, development, delivery, and maintenance of software or infrastructure solutions for large or complex projects.
  • Perform coding, debugging, testing, and troubleshooting while resolving complex and escalated project issues.
  • Provide advanced technical expertise, identify continuous improvements, and contribute to technology standards and processes.
  • Collaborate with Development, Engineering, and Architecture teams to build and deliver technical solutions.
  • Lead the work group by establishing appropriate expectations, structures, tools, responsibilities, and delivery practices.
  • Develop and evaluate AI systems, including language-model fine-tuning, embeddings, agentic systems, metrics, A/B tests, and performance benchmarks.

Requirements

  • Advanced proficiency in designing, developing, and debugging solutions.
  • Advanced knowledge of C#, Java, or Python.
  • More than 10 years of applied experience and significant experience in software or platform engineering.
  • Technical experience delivering software or platform engineering solutions, providing technical advice, and handling user requirements.
  • Experience with code management, configuration management, and automation tools such as GitHub and ADO.
  • Proficiency in fine-tuning language models for tasks such as text generation, summarization, or question answering.
  • Knowledge of embedding models and their use in similarity matching, clustering, and information retrieval.
  • Familiarity with designing agentic systems that combine AI models with external tools or environments.
  • Ability to design evaluation frameworks for AI models and agents, including metrics, A/B testing, and 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 advantageous.

Benefits

  • Hybrid work arrangement with two days in the office and three days remote in Wrocław or Katowice.
  • Continuous learning opportunities and support for developing new skills.
  • Tools and flexibility to make a meaningful impact.
  • Leadership development through insights, coaching, and confidence-building.
  • Diverse and inclusive workplace culture.
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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