Senior Data Developer

Job Title: Senior Data Developer (Finance Data Products) Reporting to: Engineering Delivery Lead Direct Reports: None Position Type: Permanent Why Tokio Marine HCC? Standing still is not an option in the current world of Insurance. TMHCC are one of the world's leading Speciality Insurers. With deep expertise in our chosen lines of business, our unparalleled track record and a solid balance sheet, TMHCC evaluates and manages risk like no one else in the industry. Looking beyond profit, empowering our people and delivering on our commitments are at the core of our customer values, and so is a desire to grow and provide creative and innovative solutions to our clients. To support this desire, we need to be forward-thinking and innovative in every respect. That means continually improving our customer-focused business, it means providing systems, solutions and technology to enable seamless growth and business innovation, and it means having the best people capability to apply to these challenges. Part of our evolution involves growing our team, and bringing in a range of views, perspectives and backgrounds that will allow us to deliver this forward-looking culture, that relies upon open and trusting relationships, and a shared vision for that continual improvement. We aspire to build an environment where new perspectives are encouraged, where resilience, fresh ideas and different opinions are valued. About The Opportunity As a Senior Developer within the Finance Data & Reporting team, you will play a key role in a cross-functional squad dedicated to delivering important roadmap items. Working closely with the engineering delivery lead, data analysts, data modellers and other developers, you'll design, build, and maintain scalable data infrastructure that supports the business. In addition to hands-on coding, you will take ownership of development for the release, third level incident resolution, and provide guidance to other developers. This role requires strong expertise in data warehousing technologies, with an emphasis on collaboration with both technical and non-technical stakeholders to ensure smooth and effective project delivery. Core Responsibilities Manage and coordinate development activities within the lifecycle, ensuring tasks are delivered on time and meet quality standards. Work closely with the team to design and implement high-quality changes to the Data Warehouse, ensuring that the entire SDLC process follows best practices for end-to-end management and that solutions are delivered right the first time. Utilise expertise in data warehousing to design and develop changes that enhance the richness and accuracy of the data, improving its usability for business analysis and decision-making. Tackle complex technical challenges and actively contribute to problem-solving sessions to ensure the best possible technical outcomes. Take ownership of tasks, from inception through to production deployment and post-launch support. Continuously improve and maintain the health of the data estate by building, enhancing, and developing solutions that keep the warehouse and data in optimal form. Create and maintain clear, detailed technical documentation for all changes and updates, ensuring easy reference and transparency for all team members and stakeholders. Monitor, troubleshoot, and develop hotfixes for issues in the data warehouse, ensuring that the system remains performant and responsive to changing business needs. Engage with business stakeholders to understand their requirements and translate those into effective, fit-for-purpose data solutions that address business needs. Assist in the implementation of changes, working with the core technologies and tools deployed in the Data Warehouse to ensure smooth transitions and updates. Participate in architecture, technical design, and product implementation discussions, ensuring that solutions align with business and technical goals. Collaborate with fellow developers, analysts, product managers, and architects to develop, implement, and support the data operations that underpin core business functions and products. Provide support to L1 and L2 teams and act as L3 support for resolving issues as part of agreed-upon service management processes. Identify opportunities to improve development processes and data warehouse performance. Mentor junior developers, fostering technical excellence and knowledge sharing within the team. Stay up to date with the latest technology trends, methodologies, and tools to bring new ideas and improvements to the team's approach. Key Skills And Experience Proven experience as a Senior Developer, with expertise in data warehousing. Strong experience working in an Agile/Scrum environment. Solid understanding of data warehousing architecture, design patterns, and best practices. Ability to translate complex technical challenges into clear, business-friendly language for non-technical stakeholders. Excellent problem-solving and analytical skills. Experience with version control systems (e.g., Git). Familiarity with CI/CD pipelines and cloud platforms (e.g., AWS, Azure, GCP) is a plus. Strong communication skills and ability to work collaboratively within a team. Passion for learning new technologies and improving development processes. Technical Skills Extensive knowledge of, and experience in, data warehousing: encompassing physical modelling, as well as ETL, ELT, CDC, semantic layers, rules engines, reconciliation principles, SQL, Python, Terraform, Snowflake, AWS. Monitoring, automated test capabilities and reporting design, dashboarding and data feeds. Undergraduate or postgraduate qualifications in IT, science, business and/or finance. Desirable Knowledge and experience in Data Vault 2.0 Insurance industry knowledge. Finance industry knowledge. What We Offer The Tokio Marine HCC Group of Companies offers a competitive salary and employee benefit package. We are a successful, dynamic organization experiencing rapid growth and are seeking energetic and confident individuals to join our team of professionals. The Tokio Marine HCC Group of companies is an equal opportunity employer. Please visit for more information about our companies. The Tokio Marine HCC Group of companies is an equal opportunity employer. Please visit for more information about our companies.