
Principal Software Engineer
Ernst and Young26 days ago
Wrocław, PolandStaff+
Responsibilities
- Lead the delivery of solution or infrastructure development services for large or complex projects.
- Own the design, development, delivery, and maintenance of software or infrastructure solutions.
- Perform coding, debugging, testing, and troubleshooting for complex and escalated project issues.
- Provide advanced technical expertise, technical leadership, and continuous improvement recommendations.
- Collaborate with Development, Engineering, and Architecture teams to develop and engineer solutions.
- Lead the work group by establishing appropriate expectations, principles, structures, tools, and responsibilities.
- Define, maintain, and implement technology standards, processes, procedures, and technical designs.
- Design and implement language-model, embedding, agentic-system, and AI-model evaluation solutions.
Requirements
- Advanced proficiency in one or more of C#, Java, or Python.
- Bachelor’s degree in computer science, engineering, IT, mathematics, or a related field is preferred.
- More than 10 years of applied experience.
- Significant relevant experience in an internal or external software or platform engineering role, or a similar role.
- Experience delivering software or platform engineering solutions and providing comprehensive technical advice based on user requirements.
- Experience 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 and their use in similarity matching, clustering, and information retrieval.
- Familiarity with designing and implementing 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 performance benchmarking.
- Microsoft, Google, or AWS certifications are desirable.
- Significant proven experience building applications using Kubernetes and Docker.
- Ability to work as a self-starter and independent thinker with curiosity, creativity, ambition, and passion.
Benefits
- Hybrid work arrangement in Wrocław or Katowice with two days in the office and three days remote.
- Continuous learning opportunities and development of skills, mindset, and insights.
- Tools and flexibility to make a meaningful impact and define success individually.
- Leadership development through insights, coaching, and confidence-building opportunities.
- Diverse and inclusive global culture with collaboration across EY locations, service lines, geographies, and sectors.