Principal Software Engineer

EY; Wrocław; Hybrid; PLN 260,000 - 360,000; Full time

Job summary

EY GDS Poland is offering a Senior Software Engineer role in Wrocław/Katowice with 2 days in office and 3 days remote. You will lead critical software or platform engineering initiatives, ensuring they meet business and technical requirements.

The ideal candidate has 10+ years of hands-on experience with C#, Java, Python, and strong CI/CD expertise. A Bachelor’s degree is required, with knowledge of Kubernetes and Docker highly valued.

Qualifications

• Bachelor’s degree in computer science, engineering, IT, mathematics, or related field.
• Over 10 years of applied software or platform engineering experience.
• Experience delivering software/platform engineering solutions with strong technical leadership.
• Proficiency with CI/CD and code/configuration management tools (GitHub, ADO).
• Strong understanding of business and user requirements and translating them to design.

Responsibilities

• Lead delivery of solution or infrastructure development for large projects.
• Ensure design specifications meet business and technical requirements.
• Code, debug, test, and troubleshoot complex tasks.
• Provide advanced technical expertise to maximize efficiency and value.
• Collaborate with cross-functional teams to engineer leading solutions.

Skills

C#

Java

Python

CI/CD

AI model fine-tuning

Education

Bachelor’s degree in CS/Engineering

Tools

GitHub

ADO

Kubernetes

Docker

Job description

Client Technology - Engineering - Software Engineering

Location: Wrocław / Katowice - 2 days in office / 3 days remote

Let us introduce you the job offer by EY GDS Poland – a member of the global integrated service delivery center network by EY.

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Join EY and help to build a better working world.

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 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

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

EY exists to build a better working world, helping to create long‑term value for clients, people and society and build trust in the capital markets.

Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.

Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.

In compliance with the requirements of the Whistleblower Protection Act, our company has established the Procedure for reporting breaches of law and undertaking appropriate follow‑up actions. Any misconduct should be reported through the EY Ethics Hotline.