About the role

Principal Software Engineer leading infrastructure and solution delivery at EY GDS Poland. Driving compliance and technical leadership with complex projects in a hybrid work environment.

Responsibilities

Leads the delivery of solution or infrastructure development services for a large or more complex project, using strong technical capabilities and outstanding hands-on experience!
Takes accountability for the design, development, delivery and maintenance of solutions or infrastructure, driving compliance with and contributing to the development of relevant standards
Fully understands business and user requirements and ensures design specifications meet the requirements from a business and technical perspective
Solves complex and escalated aspects of a project, performing coding, debugging, testing and troubleshooting throughout the development process
Provides advanced technical expertise to maximize efficiency, reliability and value from current solutions, infrastructure and emerging technologies, showing technical leadership and identifying and implementing continuous improvement plans
Develops strong working relationships with peers across Development & Engineering and Architecture teams, collaborating to develop and engineer leading solutions
Provides a leadership role for the work group, ensuring the appropriate expectations, principles, structures, tools and responsibilities are in place to deliver the project
Drives consistency to the relevant processes, procedures, standards, technical design whilst supporting the definition, maintenance and implementation of technology standard

Advanced technical proficiency in designing, developing, and debugging solutions
Advanced knowledge of one or more of: C#/Java or Python
Bachelor’s degree in computer science, Engineering, IT, Mathematics, or related field preferred
More than 10 years applied experience
Significant relevant experience in either an internal or external software or platform engineering role, or similar
Technical knowledge and experience in delivering software / platform engineering solutions (depending on specialism), providing comprehensive technical advice and handling user requirements
CI/CD delivery using code management, configuration management and automation tools such as GitHub, ADO
Proficiency in fine-tuning language models for specific tasks, including text generation, summarization, or question answering
Knowledge of embedding models and their application in NLP tasks like similarity matching, clustering, and information retrieval
Familiarity with designing and implementing agentic systems that combine AI models with external tools or environments for autonomous decision-making
Ability to design robust evaluation frameworks for AI models and agents, including metrics development, A/B testing, and performance benchmarking
Ideally, you’ll also have Microsoft/Google/AWS certificates
Delivery using modern methodologies
Significant proven experience in building application using container-orchestration systems like Kubernetes, and container engines like Docker.

Continuous learning : You’ll develop the mindset and skills to navigate whatever comes next.
Success as defined by you : We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.
Transformative leadership : We’ll give you the insights, coaching and confidence to be the leader the world needs.
Diverse and inclusive culture: You’ll be embraced for who you are and empowered to use your voice to help others find theirs.