CT Engineering - Software Engineering

EY; Katowice; Hybrid; PLN 100,000 - 140,000; Full time

Job summary

EY in Katowice is seeking a Senior Software Engineer to lead the delivery of solution and infrastructure development services for complex projects. The ideal candidate will have over 10 years of experience, advanced knowledge in C#, Java, or Python, and a Bachelor's degree in a relevant field.

The role involves ensuring compliance with technical standards, solving complex project issues, and driving innovation. You will work in a hybrid model, with 2 days in the office and 3 days remote.

Qualifications

• More than 10 years of applied experience in software or platform engineering.
• Advanced technical proficiency in solution design and development.
• Significant relevant experience handling user requirements.

Responsibilities

• Lead the delivery of solution development services for large projects.
• Drive compliance with technical standards and develop strong working relationships.
• Solve complex project aspects and provide advanced technical expertise.

Skills

C#

Java

Python

CI/CD

Azure DevOps

GitHub

NLP

Education

Bachelor’s degree in computer science, engineering, IT, mathematics

Tools

Kubernetes

Docker

Job description

Location: Wrocław / Katowice – 2 days in office / 3 days remote.

EY GDS Poland is looking for a Senior Software Engineer to lead delivery of solution and infrastructure development services for large or complex projects, ensuring compliance with standards and driving innovation.

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 standards.

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 a related field preferred.
• More than 10 years of 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, providing comprehensive technical advice and handling user requirements.
• CI/CD delivery using code management, configuration management and automation tools such as GitHub and Azure DevOps.
• 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 such as 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 or AWS certificates.
• Experience delivering with modern methodologies.
• Significant proven experience in building applications using container‑orchestration systems such as Kubernetes and container engines such as Docker.

What We Look For

• A self‑starter, independent thinker, curious and creative person with ambition and passion.