Senior Software Engineer, Core Marketing Platforms

Salary: £69,000 - 109,000 per year

Requirements:

• Degree in Computer Science or a related software engineering field, or equivalent practical experience
• Strong backend experience with Java
• Experience with AWS and understanding of DevOps concepts such as infrastructure as code (we use Terraform)
• Experience with event-streaming technologies such as SNS/SQS or Kafka
• Good grasp of relational and non-relational databases, messaging queues, and concurrency
• Experience working with high-volume systems
• Understanding of modern architectures, design patterns, and platform nuances
• Strong experience with cloud-based infrastructure and technologies, preferably AWS
• Understanding of containers (e.g., Docker) and orchestration (Kubernetes)
• Expert experience with testing concepts and tools, and integrating testing and best practices into the software development life cycle
• Strong sense of ownership, urgency, and drive
• Familiarity with Agile environments
• Passion for working in a fast-paced environment and ability to adapt to change

Responsibilities:

• Build and optimize high-performance microservices for our marketing ecosystem, supporting real-time customer communications, personalized promotions, and targeted campaign delivery
• Design scalable, event-driven systems that process large volumes of real-time data and deliver insights to marketing partners
• Develop Martech solutions enhanced by AI to support customer engagement and retention
• Assess future system capacity and take a long-term view of scalability
• Simplify existing systems by consolidating redundant systems, removing unnecessary code, and updating outdated documentation
• Coach and mentor engineers, contributing to colleagues professional development and technical skills
• Lead projects with a holistic view of the strategic direction of the vertical
• Define future architecture, apply modern technologies, and balance strategic development with operational improvements
• Solve complex problems, seeking input and guidance from teammates
• Turn defined designs into code and deliver on schedule using appropriate technologies and current engineering practices
• Write secure, stable, testable, and maintainable code with minimal defects
• Participate in design, scoping, prioritization, code reviews, planning, and support-ticket reviews
• Work effectively with teammates and identify opportunities or problems arising from technical decisions
• Own product and technology areas and develop subject-matter expertise
• Write simple, extensible code; test it thoroughly; and balance customer and team requirements
• Take on projects and make software enhancements that improve our software and processes
• Resolve complicated problems at their root cause and leave software better than you found it
• Understand data storage, classification, and optimization techniques
• Estimate stories and tasks, and deliver them on time
• Keep current with market standards, open-source frameworks, and industry tools
• Understand the maintenance characteristics, runtime properties, and dependencies of team software, including hardware platforms, operating systems, and build dependencies
• Participate in our organizations on-call support rotation
• Document software clearly so future developers understand the intent behind its features and components
• Troubleshoot and thoroughly resolve defects
• Take responsibility for the condition of inherited and newly produced code

Technologies:

• AI
• AWS
• Backend
• Cloud
• DevOps
• Docker
• Flutter
• Hardware
• Support
• Java
• Kafka
• Kubernetes
• Marketing
• Mobile
• Terraform
• microservices
• Network

More:

We are hiring a Senior Software Engineer for one of our Core Marketing Platforms teams. FanDuel Group is a mobile gaming company operating in the United States and Canada, with brands spanning sports betting, casino, horse racing, daily fantasy sports, and television. We have a presence across all 50 states, Canada, and Puerto Rico, with our company based in New York and offices in the United States, Canada, and Scotland. FanDuel Group is a subsidiary of Flutter Entertainment. We offer opportunities to learn and develop, defined career pathways, supportive management, autonomy, and a financial package that includes salary, bonus, pension, private healthcare, a share save scheme, flexible working, and holiday benefits. We are an equal opportunities employer, value diversity and inclusion, and provide reasonable accommodations during the application and hiring process. Our listed qualifications are guidelines rather than strict rules, and we welcome applicants whose transferable skills and experience are a good fit.

last updated 40 week of 2026