Power BI Developer

TCS interview typically consists of an online aptitude test followed by one or two technical rounds focusing on data analytics, Power BI, SQL and problem‑solving, and finally an HR round assessing cultural fit and communication. The difficulty is moderate; candidates should be comfortable with DAX, data modeling scenarios and basic coding logic. Practising mock tests and reviewing past interview experiences can greatly improve confidence.

TCS is known for its collaborative work culture that emphasizes continuous learning, mentorship and employee well‑being. The company offers flexible work arrangements, robust training programs and clear career progression pathways, ensuring a balanced professional and personal life for its employees.

Graduation (B.Tech/B.E./MCA/M.Sc.) in Computer Science, Information Technology, Electronics, or related streams; minimum 60% aggregate (or CGPA 6.0/10); no active backlogs at the time of joining; 6+ years of relevant experience in Power BI, SQL and ETL; strong communication skills; willingness to relocate to Chennai or work onsite as required.

Round 1: Online aptitude test (logical reasoning, quantitative, verbal) → Round 2: Technical interview (Power BI concepts, SQL, data modeling, case studies) → Round 3: HR interview (fitment, communication, salary discussion)

Tata Consultancy Services (TCS) is one of the world’s largest IT services, consulting and business solutions organisations. With a presence in over 46 countries and a workforce exceeding 600,000 professionals, TCS has consistently been at the forefront of digital transformation, helping enterprises adopt emerging technologies such as cloud, AI, analytics and automation. The company’s strong focus on innovation, sustainability and inclusive growth has earned it a reputation as a trusted partner for Fortune 500 clients across banking, retail, manufacturing, healthcare and many other sectors. In recent years, TCS has invested heavily in its analytics and business intelligence capabilities, building a robust ecosystem that enables clients to turn raw data into actionable insights. The Power BI practice within TCS is a critical component of this ecosystem, delivering end‑to‑end solutions that span data ingestion, modelling, visualization and reporting. As a Power BI Developer, you will be part of a high‑performing team that collaborates with data engineers, solution architects and business stakeholders to craft dashboards that drive strategic decision‑making. **Role Summary** The Power BI Developer will design, develop, and maintain interactive reports and dashboards using Microsoft Power BI. You will work closely with business analysts to understand requirements, translate them into technical specifications, and ensure data accuracy and performance. The role demands a strong grasp of data modelling, DAX, Power Query (M), and the ability to integrate Power BI solutions with cloud platforms such as Azure, AWS, or GCP. **Key Responsibilities** - Gather and analyse business requirements to create data models and visualizations that meet stakeholder needs. - Develop, publish, and maintain Power BI reports, dashboards, and dataflows. - Write efficient DAX queries and Power Query (M) scripts for data transformation. - Optimize data models for performance, ensuring fast load times and responsive visuals. - Integrate Power BI with various data sources, including SQL Server, Azure Data Lake, and third‑party APIs. - Collaborate with ETL developers to ensure seamless data pipelines and data quality. - Conduct unit testing, validation, and user acceptance testing (UAT) of BI solutions. - Provide training and support to end‑users, creating documentation and best‑practice guides. - Stay updated with the latest Power BI features, industry trends, and emerging BI tools. - Participate in code reviews and contribute to continuous improvement initiatives. **Tech Stack** Power BI, DAX, Power Query (M), SQL, Azure/AWS/GCP, Azure Data Factory, SSIS, Git, Agile/Scrum methodologies. **Growth Path** TCS offers a clearly defined career trajectory for BI professionals. Starting as a Power BI Developer, you can progress to Senior Developer, Solution Architect, Analytics Lead, or even Manager – Analytics & Business Intelligence. The company encourages continuous learning through internal academies, certifications (Microsoft Certified: Data Analyst Associate), and exposure to large‑scale, cross‑industry projects. **Why Join TCS?** - Work on globally recognised projects with Fortune 500 clients, gaining exposure to cutting‑edge analytics solutions. - Access to world‑class learning platforms, mentorship programs and a culture that values innovation. - Competitive compensation, performance‑linked incentives, and comprehensive employee benefits. - A diverse, inclusive workplace that promotes work‑life balance and encourages community involvement. Overall, this role offers a blend of technical challenges, strategic impact and a clear path for professional growth within one of India’s most respected technology houses.