Lead Data Engineer

London Stock Exchange Group; Gdynia; On-site; PLN 120,000 - 180,000; Full time

Job summary

A global financial markets infrastructure provider in Gdynia is seeking a Lead Data Engineer to own the data ecosystem and ensure robust, scalable data workflows. The successful candidate will have expert-level experience with Azure Data Factory and practical Python skills. This role offers a comprehensive benefits package including wellness allowances, healthcare coverage, and opportunities for professional development.

Benefits

Monthly wellness and work-from-home allowance

Private medical care with premium package

Meal allowance on personal lunch card

Corporate pension plan supported

Bonus for employee referrals

E-learning platforms access

Opportunity for volunteering days

Brand new sustainable office

Qualifications

• Must have strong proficiency in Python for data manipulation and automation.
• Proven ability to lead technical initiatives.
• Knowledge of data governance and security standard methodologies.

Responsibilities

• Own the data ecosystem and drive architectural decisions.
• Ensure robust, scalable data workflows.
• Mentor others while building reliable systems.

Skills

Expert-level experience with Azure Data Factory

Practical Python (pyspark) experience

Design scalable data architectures

Leadership attitude

Proactive problem-solving

Tools

AWS Athena

Terraform

Job description

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific.**Role Summary:**We’re looking for a **strategic and hands-on Lead Data Engineer** who can **own the data ecosystem**, **drive architectural decisions**, and **ensure robust, scalable data workflows**. This role combines **technical leadership** with **deep engineering expertise**, perfect for someone who thrives on building reliable systems and mentoring others.Develop **Python scripts** for automation, data processing, quality checks, and integration tasks. **What You’ll Bring:**Must-Have Skills**Expert-level experience with Azure Data Factory** for orchestrating complex **ETL/ELT workflows**. Strong proficiency in Practical **Python (pyspark)** experience for **data manipulation**, **automation**, and **pipeline logic**. Proven ability to **design scalable data architectures** and **lead technical initiatives**. Nice-to-Have Skills* Familiarity with **AWS Athena** for interactive query processing.* Experience with **Terraform** for **infrastructure as code** and managing cloud resources.* Knowledge of **data governance**, **security standard methodologies**, and **distributed systems**.Soft Skills We Value* **Leadership attitude -** able to guide teams and influence technical direction.* **Proactive problem-solving** and a **focus on business impact**.* Strong communication and ability to **drive alignment across engineering and product teams**.* Ownership and accountability for **quality, reliability, and scalability**.**Your Package When Joining Gdynia Team:*** **Bonus:** bonus plan assigned to every position* **Wellbeing**: monthly wellness and work-from-home allowance, and employee assistance program* **Lunch card**: meal allowance on personal lunch card provided monthly* **Healthcare**: private medical care with Medicover, premium package fully covered by employer and life insurance with Generali* **Future**: corporate pension plan supported by Fidelity International offering additional 5% of base salary to invest in selected funds, and LSEG Employee Share Purchase plan available* **Reward and Recognition**: additional awards and vouchers available for extra achievements* **Referral**: Bonus between 8,000 to 10,000 PLN for successful recommendation of a new colleague* **Development**: E-learning platforms access with a range of training and certified courses* **LSEG Products**: availability to access to real-time economic data through our flagship Workspace platform* **Diversity**: Inclusive culture built by colleagues from over 40 countries representing various age, gender, race, and beliefs* **Charity**: 2 additional days off for voluntary jobs* **Office**: brand new, sustainable office with cafeteria and chillout space. Location 3T Office, Gdynia is less than 200m to PKM station and a walking distance to SKM station. Underground car park with 122 spaces for LSEG employees* **Activities**: sport teams and social events to join e.g. weekly yoga classes in the office* **Company events**: Annual Summer and Winter Parties for colleagues and Family Day for employees with partners and childrenLearn more about life and purpose of our company directly from the Gdynia colleagues’ video:underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.Our purpose is the foundation on which our culture is built. Our values of **Integrity, Partnership**, **Excellence** and **Change** LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.