Business Intelligence Engineer

ABOUT REIZ TECH

Reiz Tech is more than just an IT company. We are a trusted end-to-end IT advisor throughout clients’ business lifecycle. We have a growing global presence in more than 30 countries and regions, united to deliver end-to-end IT solutions. Our talents work together remotely, and low leadership levels are decentralized for better communication, decision-making, and flexibility. 

ABOUT THE ROLE

Join the Data team to contribute to building a state-of-the-art data platform for our client, leveraging various open-source technologies and features. As a BI Engineer, you will turn raw data from multiple sources into reliable, well-structured insights by modeling data, building dashboards and reports, ensuring data quality and performance, and enabling business teams to make informed, data-driven decisions.

ABOUT THE CLIENT

Our client is a leading financial institution with a brand that encompasses various data domains, processes, and technology.

ABOUT THE PROJECT

Anticipated start date - February-March of 2026.

Searching for candidates from Lithuania and Poland only.

RESPONSIBILITIES

• Design, develop, and maintain scalable BI dashboards, reports, and data models to support business decision-making.

• Partner with stakeholders to gather requirements and translate business needs into clear, actionable analytics solutions.

• Build and optimize SQL queries, views, and data models to ensure high performance and accuracy.

• Develop and maintain ETL/ELT pipelines to transform raw data into analytics-ready datasets.

• Ensure data quality, consistency, and reliability through validation, testing, and monitoring.

• Create and maintain documentation for data models, dashboards, and metrics definitions.

• Monitor and troubleshoot BI systems and data pipelines, resolving issues proactively.

• Support ad-hoc analysis and reporting requests from business teams.

• Collaborate with data engineers and analytics teams to improve data architecture and tooling.

• Apply best practices for data visualization, dashboard usability, and storytelling.

• Continuously improve existing reports and dashboards based on user feedback and evolving business needs.

• Ensure compliance with data governance, security, and access control policies.

JOB REQUIREMENTS

• 3+ years of hands-on experience in Business Intelligence, Data Analytics, or related roles.

• Proven experience designing, developing, and maintaining BI solutions in production environments.

• Strong understanding of data warehousing concepts (fact/dimension tables, star/snowflake schemas).

• Proficiency in SQL (complex queries, performance tuning, optimization).

• Experience with BI and visualization tools such as Power BI, Tableau, Looker, or similar.

• Strong data modeling skills for analytical and reporting use cases.

• Experience working with relational databases (e.g., PostgreSQL, MySQL, SQL Server, Oracle).

• Familiarity with ETL/ELT processes and tools (e.g., Airflow, dbt, SSIS, Informatica, or similar).

• Experience with cloud data platforms (AWS, Azure, or GCP) and data warehouses (Snowflake, Redshift, BigQuery, Azure Synapse).

• Basic to intermediate knowledge of Python or similar scripting languages for data manipulation and automation.

• Ability to translate business requirements into scalable BI solutions.

• Ability to perform data validation, testing, and troubleshooting.

• Strong problem-solving and analytical thinking skills.

• Excellent communication skills with both technical and non-technical stakeholders.

• Experience collaborating with data engineers, product managers, and business teams.

NICE TO HAVE

• Exposure to Agile/Scrum environments.

• Prior experience in SaaS, fintech, e-commerce, or enterprise analytics environments.

WHAT WE OFFER

• Fully remote work with flexible work hours and vacation policy.​

• A diverse international work environment that promotes inclusivity and collaboration.​

• Internal mentorship program.​

• Additional healthcare insurance, loyalty days.

• Compensated professional development opportunities, including learning materials and certification exam fees.

• Internal events like Reiz Tech Talks and Learning Sessions.

• Team-building compensation every quarter.​

• Participation in local events in Lithuania such as wakeboarding, excursions, and Meet and Eat gatherings.​

• Ability to change the project you’re working on.​

• Referral bonuses.

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