Senior Business Analyst & Proxy Product Owner (AI-Driven)

Sigma Software; Kraków; On-site; PLN 190,000 - 270,000; Full time

Job summary

Sigma Software is seeking a Senior Business Analyst to drive product discussions, manage requirements, and support strategic decisions with Customers and engineering teams on a large-scale smart solutions platform.

You will own the requirements management process, collaborate with stakeholders, and align business needs with technical implementation while participating in Agile ceremonies to drive delivery improvements across an international, AI‑driven development environment.

Qualifications

• 5+ years of commercial experience as a Business Analyst in software product development.
• Strong expertise in requirements elicitation, analysis, decomposition, documentation, and validation.
• Proven experience managing product backlogs, user stories, and acceptance criteria.
• Experience working directly with Customers and facilitating requirements discussions.
• Ability to independently own product and business decisions within the assigned responsibility area.
• Product‑oriented mindset with the ability to balance business value, user needs, priorities, and technical constraints.
• Sufficient technical background to communicate effectively with engineering teams.
• General understanding of APIs, integrations, data flows, and modern web application architecture.
• Understanding of AI‑driven development principles and AI‑assisted delivery workflows.
• Strong analytical, communication, facilitation, and stakeholder‑management skills.
• Proactive attitude with strong ownership and decision‑making capabilities.
• Advanced or Upper‑Intermediate spoken and written English.

Responsibilities

• Work closely with the Customer to understand business needs, priorities, and expected outcomes
• Act as a Proxy Product Owner and support day‑to‑day product decisions
• Own and drive the requirements management process throughout the project lifecycle
• Collaborate with stakeholders on continuous backlog refinement activities
• Facilitate backlog refinement and clarification sessions with engineering teams
• Align business requirements with technical implementation approaches together with architects, developers, and QA engineers
• Support sprint prioritization and provide timely business decisions
• Participate actively in Agile ceremonies and contribute to process improvements
• Identify gaps, dependencies, risks, and ambiguities in requirements and drive their resolution
• Prepare and maintain user stories, acceptance criteria, business rules, and related BA documentation
• Support product demos, acceptance activities, and Customer feedback incorporation
• Apply AI‑assisted approaches to requirements analysis, research, and documentation activities

Skills

Business Analysis

Backlog Management

Stakeholder Management

Requirements Elicitation

Agile/Scrum

Communication

Job description

Sigma Software is seeking a Senior Business Analyst to drive product discussions, manage requirements, and support strategic decisions with Customers and engineering teams on a large-scale smart solutions platform.

You will own the requirements management process, collaborate with stakeholders, and align business needs with technical implementation while participating in Agile ceremonies to drive delivery improvements across an international, AI‑driven development environment.