System Analyst - Mobile apps (f/m/x)

Sii; Województwo mazowieckie; Hybrid; PLN 120,000 - 180,000; Full time

Job summary

Sii is seeking a skilled System Analyst to drive business and system analysis for mobile app projects. You will translate business needs into technical requirements for development, QA, UX/UI, and backend teams, and prepare documentation for screen designs and API integrations.

Join a hybrid team in Warsaw, collaborating with UX/UI, QA, and backend professionals, applying Agile/Scrum practices, and using analytics to inform decisions.

Qualifications

• 4+ years as Business/System Analyst in mobile projects.
• Experience with native iOS/Android is preferred.
• Able to gather, analyze, and document business & system requirements.
• Experience documenting mobile app screens.
• Experience with API documentation and system integration analysis (REST/SOAP).
• Familiar with process modeling, flow diagrams, and sequence diagrams.
• Knowledge of Agile/Scrum methodologies.
• Experience with log analysis and error diagnosis tools.
• Understanding of Firebase in mobile development.
• Strong communication and stakeholder collaboration.
• Fluent Polish; residency in Poland.

Responsibilities

• Conduct business and system analysis for mobile applications.
• Create analytical documentation to support development and testing.
• Translate business needs into requirements for development, QA, UX/UI, and backend teams.
• Prepare documentation for mobile app screens and API integrations.
• Model processes, flows and sequence diagrams.
• Utilize Jira, Confluence, and Bitbucket for project management.
• Apply Agile/Scrum methodologies in projects.
• Analyze logs and diagnose errors using Kibana-like tools.
• Define and analyze analytical events in mobile apps, including GA4.
• Collaborate with UX/UI teams and analyze projects in Figma.

Skills

Business analysis

Mobile applications

Requirements gathering

Documentation

API analysis

Agile/Scrum

Process modeling

Log analysis

GA4 analytics

Figma collaboration

Firebase knowledge

Stakeholder collaboration

Polish language

Tools

Jira

Confluence

Bitbucket

Job description

We are looking for a skilled System Analyst to join our team and work on exciting mobile application projects. You will be responsible for conducting business and system analysis, creating analytical documentation, and supporting development and testing processes. This role involves collaborating with various stakeholders to translate business needs into technical requirements for development teams. The position is hybrid (one day per week in the office), allowing for flexibility between remote work and office presence in Warsaw. If you are passionate about mobile apps and have a strong analytical mindset, this opportunity may be the right fit for you.

Your tasks

• Conducting business and system analysis for mobile applications
• Creating analytical documentation to support development and testing
• Translating business needs into requirements for development, QA, UX/UI, and backend teams
• Preparing documentation for mobile application screens and API integrations
• Modeling processes, flow diagrams, and sequence diagrams
• Utilizing tools such as Jira, Confluence, and Bitbucket for project management
• Applying Agile/Scrum methodologies in project execution
• Analyzing logs and diagnosing errors using tools like Kibana
• Defining and analyzing analytical events in mobile applications, including GA4
• Collaborating with UX/UI teams and analyzing projects in Figma

Requirements

• Minimum 4 years of experience as a Business/System Analyst in mobile application projects
• Experience in mobile projects (preferably native applications for iOS and Android)
• Ability to gather, analyze, clarify, and document business and system requirements
• Experience in preparing documentation for mobile application screens
• Previous work with API documentation and system integration analysis, including REST and SOAP
• Familiarity with process modeling, flow diagrams, and sequence diagrams
• Knowledge of Agile/Scrum methodologies
• Practical experience with log analysis and error diagnosis tools
• Understanding of Firebase and its application in mobile development
• Strong communication skills and experience collaborating with various stakeholders
• Fluent Polish
• Residency in Poland

Nice-to-have requirements

• Previous work in the financial, insurance, or banking sector
• Familiarity with investment products, policies, or self-service offerings
• Experience analyzing production deployments, incidents, and user behavior post-release