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Business Systems Engineer III (Blackline)
  • Warsaw
Business Systems Engineer III (Blackline)
Warszawa, Warsaw, Masovian Voivodeship, Polska
Box
13. 11. 2025
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Business Systems Engineer III (Blackline)

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What Is Box

Box (NYSE BOX) is the leader in Intelligent Content Management. Our platform enables organizations to fuel collaboration, manage the entire content lifecycle, secure critical content, and transform business workflows with enterprise AI. We help companies thrive in the new AI-first era of business. Founded in 2005, Box simplifies work for leading global organizations, including AstraZeneca, JLL, Morgan Stanley, and Nationwide. Box is headquartered in Redwood City, CA, with offices across the United States, Europe, and Asia.

Why Box Needs You

Box seeks a talented Blackline Record to Report (R2R) Developer to join our Enterprise Systems team and support our rapid expansion. In this role, you will be critical in optimizing and automating our financial processes by leveraging your expertise in Blackline configuration, automation, and ERP integrations. You will collaborate closely with Finance and Accounting to streamline reconciliations, implement process improvements, and ensure seamless data flows between Blackline and our ERP systems.

This role will enable you to contribute to Box’s financial success by ensuring we meet our month-end close deadlines, maintain compliance, and improve financial data accuracy. If youre passionate about financial system optimization and have strong technical expertise, this is the perfect opportunity to help drive Box’s success while working in a dynamic, innovative environment. You will be at the forefront of optimizing financial workflows integral to Box’s scalability and success. Your contributions will directly influence our ability to close books efficiently, maintain compliance, and drive financial transparency as we grow. This role offers ample opportunity for growth and skill development as you work closely with Finance, Accounting, and IT leaders.

What You’ll Do

  • Automate and Optimize Reconciliations: Lead the development and automation of complex reconciliations, such as multi-currency, intercompany, and subscription-based transactions, within Blackline, ensuring high accuracy and efficiency.
  • Ensure Compliance: Maintain compliance with financial regulations by configuring Blackline to support audit and financial reporting standards. Assist Finance teams in audit processes by providing accurate reconciliation reports.
  • Technical Integration Management: Manage and monitor integrations between Blackline and ERP systems such as NetSuite, Kyriba, and Planful, ensuring smooth data flows and resolving data integrity issues using ETL tools and APIs.
  • Troubleshoot and Support: Resolve system bugs, address performance issues, and provide front-line technical support for production issues. Collaborate with Blackline support and external consultants to troubleshoot complex problems.
  • Develop and Implement Solutions: Translate business requirements into technical solutions, working closely with cross-functional teams to implement system enhancements and ensure system reliability through hands‑on coding and system configuration.
  • Drive Financial System Improvements: Collaborate with senior developers and system architects to implement Blackline configurations, ensuring they align with technical requirements and performance standards. Participate in troubleshooting and optimization efforts to continuously improve system efficiency.
  • Manage Testing and Upgrades: Lead QA and regression testing of custom deployments, upgrades, and system changes to ensure minimal disruption to financial workflows.
  • Collaborate on Best Practices: Contribute to team training and participate in process improvement initiatives, ensuring best practices are implemented and maintained across all financial systems.

Who You Are

  • Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related technical field.
  • 4+ years of hands‑on experience with Blackline, specifically configuring, customizing, and integrating Blackline’s reconciliation modules.
  • Advanced knowledge of Blackline modules, including Account Reconciliations, Automated Journals, Task Management, and Transaction Matching.
  • Proficiency in scripting, SQL, and working with APIs to automate financial workflows and enhance system functionality.
  • Experience working in an Agile environment and proficiency with tools like Jira and Confluence for project management and collaboration is preferred.
  • Experience with ETL platforms like Informatica or Talend and proficiency in scripting languages like Python or JavaScript is a plus.
  • Expertise in managing and optimizing ERP integrations with Blackline, specifically NetSuite, Kyriba, and Planful.
  • Ability to troubleshoot system bugs, resolve performance issues, and work with Blackline support as needed.
  • Ability to automate financial workflows and streamline integrations to meet financial close deadlines, maintain data integrity, and ensure compliance with regulatory standards.
  • Solid understanding of general ledger accounting processes and how financial reconciliations flow into month‑end close activities.
  • Ability to communicate technical solutions effectively to non‑technical stakeholders and collaborate with cross‑functional teams, including Finance, Accounting, and IT.
  • Experience documenting test scripts, executing QA testing, and collaborating with business teams on UAT.

Methodology

  • Agile and Scrum Development Methodology, DevOps, Kanban, and Lean

Benefits

Check out the overview of Life at Box which includes general perks and benefits. Box lives its values, with community and in‑person collaboration being a core part of our culture. Boxers are expected to work from their assigned office a minimum of 3 days per week. Your Recruiter will share more about how we work and company culture during the hiring process. At Box, we believe unique and diverse experiences benefit our culture, our products, our customers, our company, and our world. We aim to recruit a passionate, high‑performing workforce that reflects the world we live in. If you are head‑over‑heels about this role but unsure if you meet all the requirements, we encourage you to apply!

Equal Opportunity

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability, and any other protected ground of discrimination under applicable human rights legislation. For details on how we protect your information when you apply, please see our Personnel Privacy Notice. For more details on how Box Poland protects your information, please see our Supplemental Personnel and Candidate Privacy Notice.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Project Management and Information Technology

Industries

Software Development, Technology, Information and Internet, and IT Services and IT Consulting

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