System Analyst

Jit Team; Warszawa; Hybrid; PLN 148,000 - 185,000; Full time

Benefits offered by this job

Work-life balance

Training financing

Job summary

Jit Team in Warsaw seeks an experienced System Analyst/Architect to design data-driven solutions for banking products. You will own REST API architecture, data modelling, and data governance across complex ETL workflows.

Join an elastic hybrid role with offices 2-3 days a week, collaborating with cross-functional teams on SDLC—Agile, Waterfall, and DevOps—and delivering Power BI dashboards to support strategic decisions.

Qualifications

• Minimum 5 years of experience as a System Analyst or System Architect.
• Strong hands-on REST API design and integration.
• Proficiency in data modelling, including ER and DB design.
• Solid understanding of data governance, quality and compliance.
• Experience in ETL development and data integration.
• Power BI reporting and dashboard development.
• Strong BPMN and UML knowledge for process modelling.
• Experience across SDLC methodologies: Agile, Waterfall, DevOps.
• Familiarity with Gherkin for requirements and test scenarios.
• GitHub for version control and collaboration.
• Experience with banking data and credit products.

Responsibilities

• Analyze and document business and technical requirements, ensuring alignment with stakeholder expectations.
• Design high-level and low-level system architecture documentation (HLD/LLD).
• Develop and maintain scalable REST APIs with best practices.
• Collaborate with cross-functional teams to define and implement data integration and ETL processes.
• Create and maintain logical and physical data models for consistency and scalability.
• Ensure compliance with data governance standards, including data quality and lineage.
• Translate business processes into technical solutions using BPMN and UML.
• Support SDLC in Agile, Waterfall, and DevOps environments.
• Design, develop, and maintain Power BI dashboards to support decisions.
• Bridge business and technical teams, ensuring clear communication and understanding.
• Contribute to enterprise architecture discussions and align solutions with strategic direction.
• Participate in code and design reviews and maintain high-quality documentation.
• Support version control and collaboration using GitHub.

Skills

REST API design

Data modelling

Data governance

ETL development

Power BI dashboards

BPMN

UML

GitHub

SDLC (Agile/Waterfall/DevOps)

Gherkin

Banking data

Cross-functional

Tools

GitHub

Power BI

ETL tools

Job description

Salary: 800-1000 PLN/day on B2B

Work model: elastic hybrid from Warsaw (2-3 days per week from the office)

Why choose this offer?

• You can expect a flexible work organization
• The international work environment will give you the opportunity to interact with the English language on a daily basis
• Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
• The Jit community will bring you a nice time during regular integration meetings

Project

You will be involved in a financial project focused on designing and integrating data‑driven solutions for banking and credit products, ensuring robust API architecture, high-quality data flows, and effective analytical reporting.

Responsibilities You'll Have

• Analyze and document business and technical requirements, ensuring alignment with stakeholder expectations
• Design high-level and low-level system architecture documentation (HLD/LLD)
• Develop and maintain scalable and maintainable REST APIs, ensuring adherence to best practices
• Collaborate with cross-functional teams to define and implement data integration and ETL processes
• Create and maintain logical and physical data models, ensuring consistency and scalability
• Ensure compliance with data governance standards, including data quality, lineage, and regulatory requirements
• Translate business processes into technical solutions using BPMN and UML methodologies
• Support the full Software Development Life Cycle (SDLC), including Agile, Waterfall, and DevOps environments
• Design, develop, and maintain Power BI dashboards and reports to support business decision-making
• Act as a bridge between business stakeholders and technical teams, ensuring clear communication and understanding
• Contribute to enterprise architecture discussions and ensure solutions align with strategic direction
• Participate in code and design reviews, maintaining high-quality technical documentation
• Support version control and collaboration processes using tools such as GitHub

Expected competences and knowledge

• Minimum 5 years of experience as a System Analyst or System Architect
• Strong hands‑on experience with REST API design and integration
• Proficiency in data modelling, including entity relationships and database design principles
• Solid understanding of data governance frameworks, data quality, and compliance requirements
• Experience in ETL development and data integration processes
• Practical knowledge of Power BI report and dashboard development
• Strong knowledge of BPMN and UML for process and system modelling
• Experience working within SDLC methodologies (Agile, Waterfall, DevOps)
• Familiarity with Gherkin for requirement specification and test scenarios
• Proficiency in version control systems, particularly GitHub
• Experience working with banking data and credit products
• Strong analytical thinking and problem‑solving skills
• Excellent communication skills and ability to manage stakeholder relationships
• Ability to create clear, structured, and high-quality technical documentation
• Understanding of enterprise architecture principles
• Experience in working with cross-functional, distributed teams

Technologies you’ll work with

• REST API
• ETL
• Power BI
• BPMN
• UML
• GitHub

Client

– why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language.

About Jit Team

The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.