Data Engineer, Growth

We're on a mission to level up the financial markets and make it possible for every person and company to take control of their financial future by giving people access to the right knowledge, tools, products or execution to realise their financial objectives. We've been working on this together since 1989 and have become one of the largest online derivatives brokers in the world.

Today, we're growing fast and excited for new teammates to join us who are the best at what they do. CMC is an in-person company, and currently requires its employees to come to the office 5 days a week to help realise our mission together.

We are looking for a Data Engineer to join our growth marketing team in Warsaw to drive increased activation and improved customer experience for CMC globally.

Responsibilities

• Deliver experiments end-to-end, from ideation to analysis, with velocity and quality to move core business metrics
• Get to know the CMC’s customers to understand key points in the customer journey and uncover insights that will drive activation and engagement
• Plan, shape, and build new capabilities to create a more engaging and personalized experience for our customers
• Work at all levels of the stack from AWS + Node + SQL to React + HTML + CSS
• Streamline and automate marketing tasks

Qualifications

• Experience working with marketing technology stack
• Working knowledge of search engine algorithms, ranking factors, and tools such as Google Analytics, Google Search Console, SEMrush/Ahrefs and Hotjar
• Analytics skills with experience setting up full-funnel conversion events tracking and dashboards (e.g., Google Analytics, Amplitude, Indicative, m-particle
• Comfortable using Web technologies like HTML, CSS, JavaScript, and a modern UI framework like React
• Experience with configuration and deployment of Email/SMS Marketing Campaigns and implementing Data Driven Decisioning Workflows
• Data & experimentation: You have Growth Engineering experience
• You are comfortable iteratively testing product flows using A/B testing to understand customer behaviour and make data-informed decisions
• Thoughtful problem-solving: For you, problem-solving starts with a clear and accurate understanding of the context
• You can decompose tricky problems and work towards a clean solution, by yourself or with teammates
• You're comfortable asking for help when you get stuck
• Pragmatism and impact-orientation: You care about business impact and prioritize projects accordingly
• You're not just going after cool stuff—you understand the balance between craft, speed, and the bottom line
• Putting users first: You think critically about the implications of what you're building, and how it shapes real people's lives
• Empathetic communication: You communicate nuanced ideas clearly, whether you're explaining technical decisions in writing or brainstorming in real time
• In disagreements, you engage thoughtfully with other perspectives and compromise when needed
• Team player: For you, work isn't a solo endeavour
• You enjoy collaborating cross-functionally to accomplish shared goals, and you care about learning, growing, and helping others to do the same
• A history of strong cross-functional collaboration with marketing, sales, and/or other non-technical teams

CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.