Reporting Designer

1ヶ月前


Tokyo Rakuten
Job Description

Business Overview


The Technology Platforms Division (TPD) drives the growth of Rakuten's ecosystem by delivering innovative, high-quality technology platforms characterized by integrated control and strategic partnerships.


Within TPD, the Cloud Platform Supervisory Department (CPSD) develops and manages Rakuten's state-of-the-art cloud platform, empowering global scalability and accelerating innovation across its diverse business units.

Department Overview


At BSS Development Department (BSDD), we are managing and evolving the Business Support Systems (BSS) platform, a critical backbone of Rakuten Mobile services.


The main functions that BSS provides are:

end-customer touchpoints (front-ends, mobile applications for onboarding and for plan management), billing and integration with the core systems of Rakuten Mobile.


Just as Rakuten Mobile has disrupted the mobile industry, we're committed to delivering exceptional value to our business partners and end customers by seamlessly leveraging the wide Rakuten Ecosystem.

With a long history of software engineering as a service company providing social infrastructure, we value the speed and quality of our delivery to maximize customer satisfaction.


Our mission is to provide a unified BSS platform that spans across the different business lines of our telecommunication businesses.

Having just finished the initial build-up phase of the platform, we are actively looking for talented individuals to make our organization and platforms stronger with teams spanning Japan, India, China, and Singapore.

Position

Position Details


We are seeking a highly skilled and experienced Reporting Designer to lead the design, development, and implementation of business reporting requirement within our Business Support Systems (BSS) landscape.

The successful candidate will be responsible for translating complex business requirements into effective reporting delivery, ensuring data accuracy, performance, and accessibility for various stakeholders.

This role requires a deep understanding of telecommunications BSS domains, data warehousing principles and reporting tools.

Key Responsibilities

Lead the end-to-end design for BSS reporting requirement, including data sourcing, integration, transformation, storage, and presentation layers.
Collaborate with business stakeholders, data analysts, and BSS product owners to gather, analyse, and refine reporting requirements.
Translate complex business questions into detailed technical specifications for reports, dashboards, and analytical solutions.
Design logical and physical data models optimized for reporting and analytical performance.

Define strategies for extracting, transforming, and loading (ETL/ELT) data from various BSS source systems (e.g., Billing, CRM, Order Management, Product Catalog) into reporting data stores (e.g., Data Warehouse, Data Lake).

Ensure data quality, consistency, and integrity across all reporting solutions.

Architect solutions for data reconciliation and validation between source BSS and reporting layers.
Design reporting solutions for optimal performance, scalability, and efficiency, considering data volumes, query complexity, and user concurrency.
Identify and resolve performance bottlenecks in existing reporting solutions.

Implement strategies for data partitioning, indexing, and aggregation.

Establish and enforce reporting governance policies, including data definitions, security, access controls, and report lifecycle management.
Create and maintain comprehensive architectural documentation, data dictionaries, and technical specifications for all reporting solutions.
Ensure compliance with data privacy regulations (e.g., PDPA, GDPR) in reporting design.

Mandatory Qualifications


Technical skill:
At least 3-5 years in a Designer role specifically focused on reporting.

Proven experience with reporting solutions in a Telecommunications Business Support Systems (BSS) environment (e.g., Billing, CRM, Order Management, Product Catalog, Revenue Management).

Experience Data analysis, reporting analysis, Understanding data integrity.

Writing LLD/HLD experience.

Familiarity with common Telco data entities (e.g., customer, subscription, service, product, usage, invoice, payment).

Desired Qualifications

Expertise in Data Warehousing/

Data Lake Concepts:
Dimensional modeling, star/snowflake schemas, ETL/ELT processes, data governance.

Strong SQL Proficiency:
Advanced SQL writing and optimization skills.

Reporting & BI Tools:

Hands-on experience with leading BI tools (e.g., Tableau, Power BI, Qlik Sense, Cognos, Business Objects) and their underlying data connectivity.


Database Technologies:

Experience with relational databases (e.g., Oracle, SQL Server, PostgreSQL, MySQL) and experience with NoSQL or cloud-native data platforms (e.g., Snowflake, BigQuery, Redshift, Azure Synapse) is a strong plus.


ETL/Data Integration Tools:
Experience with tools like Informatica, DataStage, Talend, SSIS, or cloud-native ETL services.

Scripting/Programming:
Proficiency in scripting languages (e.g., Python) for data manipulation, automation, or API integration.

#engineer #applicationsengineer #designer #technologyplatformdiv #RakutenMobile

Languages

English (総合 - - 上級)
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