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Urgent! Principal Software Engineer Job Opening In Katowice – Now Hiring EY

Principal Software Engineer



Job description

The opportunity

  • 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
  • Your key responsibilities

  • 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
  • Skills and attributes for success

  • 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

  • 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
  • What we look for

  • A self-starter, independent-thinker, curious and creative person with ambition and passion
  • What we offer

    EY Global Delivery Services (GDS) is a dynamic and truly global delivery network.

    We work across nine locations – Argentina, Hungary, India, the Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom – and with teams from all EY service lines, geographies and sectors, playing a vital role in the delivery of the EY growth strategy.

    From accountants to coders to advisory consultants, we offer a wide variety of fulfilling career opportunities that span all business disciplines.

    In GDS, you will collaborate with EY teams on exciting projects and work with well-known brands from across the globe.

    We’ll introduce you to an ever-expanding ecosystem of people, learning, skills and insights that will stay with you throughout your career.

  • 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.
  • About EY


    EY | Building a better working world


    Required Skill Profession

    Computer Occupations



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