Senior Software Developer

William Hill; Kraków; Sur place; PLN 180 000 - 300 000; Plein temps

Avantages offerts par ce poste

Fully paid private healthcare

Life assurance

Wellbeing events

Hackathons and meetups

Hybrid working: up to 80% remote with

Résumé du poste

William Hill in Kraków is seeking a Senior Software Developer to build and maintain data platforms powering real-time betting and gaming experiences. You will contribute to our central data warehouse and cloud data platforms using SQL Server, AWS, Snowflake and Apache Airflow.

You will work with local and international colleagues to deliver reliable data solutions, support critical systems and help evolve modern cloud-based data platforms while mentoring engineers and sharing best practices.

Qualifications

• Significant experience developing and supporting enterprise data warehouse solutions using Microsoft SQL Server, T-SQL and SSIS.
• Expertise in SQL performance optimisation, ETL development, data modelling and troubleshooting production data environments.
• Experience with software engineering best practices including testing, code reviews, version control and technical documentation.

Responsabilités

• Lead the delivery of complex data warehouse enhancements from requirements analysis through deployment and post-release validation.
• Design, develop and maintain T-SQL code, data integrations and ETL processes.
• Support and optimise production data systems, investigating incidents and implementing long-term improvements.
• Participate in an on-call rota, taking ownership of troubleshooting, recovery activities and stakeholder communication.
• Monitor and enhance data processing, operational procedures and platform performance.
• Assess technical risks, plan deployments and ensure changes can be released safely and efficiently.
• Review technical designs and mentor other engineers, sharing knowledge and best practices.

Connaissances

Enterprise data warehouse development

SQL performance optimization

ETL development

Code reviews

Documentation

Cross-team communication

Python

Kafka (advantageous)

Outils

Microsoft SQL Server

T-SQL

SSIS

AWS

Snowflake

Apache Airflow

Kafka

Python

Description du poste

Job description

Build the data platforms that help power world-class betting and gaming experiences. At evoke, home to leading brands including William Hill, 888 and Mr Green, we're passionate about creating trusted, personalised experiences for our customers. We're looking for a Senior Software Developer to join our Data International team in Kraków, where you'll play a key role in developing, maintaining and enhancing our central data warehouse and cloud data platforms. Working alongside local and international colleagues, you'll help deliver reliable data solutions, support business-critical systems and contribute to the evolution of modern cloud-based data platforms using technologies including SQL Server, AWS, Snowflake and Apache Airflow.

What you will be doing

• Lead the delivery of complex data warehouse enhancements, from requirements analysis through to deployment and post-release validation.
• Design, develop and maintain T-SQL code, data integrations and ETL processes that ensure accuracy, performance and reliability.
• Support and optimise production data systems, investigating incidents and implementing long-term improvements.
• Participate in an on-call rota, taking ownership of troubleshooting, recovery activities and stakeholder communication.
• Monitor and enhance data processing, operational procedures and platform performance.
• Assess technical risks, plan deployments and ensure changes can be released safely and efficiently.
• Review technical designs and mentor other engineers, helping to share knowledge and engineering best practices.
• Collaborate with analysts, architects and engineering teams to deliver scalable, business-focused data solutions.

Who we are looking for

• Significant experience developing and supporting enterprise data warehouse solutions using Microsoft SQL Server, T-SQL and SSIS.
• Expertise in SQL performance optimisation, ETL development, data modelling and troubleshooting production data environments.
• Experience with software engineering best practices including testing, code reviews, version control and technical documentation.
• Excellent communication skills, with the ability to work independently on complex challenges and collaborate effectively across teams. Experience with AWS, Snowflake, Apache Airflow, Kafka or Python would be advantageous.

What we offer

• Financial: You’ll be compensated a competitive base salary and benefits.
• Healthcare: We prioritise your health and well-being, offering fully paid private healthcare via Lux Med.
• Life assurance: Safeguarding your financial future and offering peace of mind with a company-sponsored life assurance plan.
• Wellbeing events: Including workshops, webinars; Psychological Helpline for you and your loved ones; access to psychological platforms such as Unmind.
• Social activities: We love a chance to share knowledge and have fun, coordinating meetups, quality questions events and hackathons.
• Free parking: You’ll have access to underground parking space for cars, motorcycles and bikes.
• Other perks: Fully paid Multisport passor MyBenefit cafeteria points, employee referral program, and an extra day off for your birthday. We also offer free English and Polish classes for our colleagues!
• Hybrid working: Our employees can work from home up to 80% of the time with 20% of office time built in to ensure we get some face-to-face collaborative team time - and the chance for a coffee and a catch-up!

More about Grand Parade

We’re a business that embraces change and progress. With a rich history behind us, we’ve learned a lot and have led the industry in many ways. Now part of evoke, we are marking a new sense of purpose, direction and ambition for the business. Our culture is all about creating great experiences, for both our customers and our people. You’ll benefit from flexibility and trust. We’ll give you the space to be yourself and the tools you need to protect our customers while they play. We’ll invest in your future to help you develop your unique strengths and build a career that’s right for you. By investing in you, we’ll raise our game. Across all that we do, we aim for excellence, encourage creativity, and have fun.

we prioritise diversity, equity, and inclusion for the benefit of our company, employees, and communities. We foster a welcoming and safe workplace that values all forms of diversity and provides opportunities for growth. We win together by working as one inclusive team to achieve great things.