Technical Leader – Application Migration Project

Job description

Position Description:

Lead application migration within a data center migration program for payment card acquiring and issuing systems. Work closely with PM, architects, DevOps, infra/network teams, and occasionally external suppliers. On-site presence 5 days a week is required, with occasional remote work possible.

Job responsibilities:
• Analyze and document the current (“as-is”) state.
• Define migration goals, strategy, and transformation scope (infra/app upgrades, containerization, HA, etc.).
• Design target (“to-be”) deployment architecture and migration plan.
• Refactor/test application code if needed (e.g., middleware, dependency upgrades).
• Build new DEV/QA/UAT/PROD/DR environments in target data centers.
• Define firewall, load balancing, middleware, and DB requirements.
• Document solution and migration approach (Confluence).
• Coordinate testing (functional, PEN, certifications) and production migration.
• Support decommissioning of legacy environments and manage migration risks.
• Work closely with PMs to define WBS, plan next actions, and remove blockers.

Required qualifications to be successful in this role:

• Proven experience in application or data center migration projects.
• Strong communication in English and Polish.
• Ability to document architecture and collaborate with SMEs and technical teams.
• Broad technical knowledge: middleware, CI/CD, containerization (Kubernetes), AWS/Azure.
• Understanding of performance, availability, monitoring, and networking (TLS, LB).
• Knowledge of payment acquiring/issuing domain is an advantage.
• Independent, goal-oriented, quality-focused, and collaborative.
• Willingness to work on-site, 5 days a week in the Warsaw office, with occasional remote work – a mandatory requirement:

Our attractive offer contains:
• Healthcare / Medicover paid by CGI with a free dental package
• Share purchase plan co-financed by CGI, with the possibility of cashing at any time
• Sport card
• Employee psychological support program
• Annual bonus plan, depending on the annual financial results
• Rewarded referral program, minimum PLN 6k for recommendation
• Be Consultant program, thanks to which you have the opportunity to strengthen your competences
• Mentoring program
• Possibility of accounting for creative work (author's tax-deductible costs)
• Attractive training program - Brown Bags, hackathons and knowledge sharing
• Additional insurance - life, accident and serious illness insurance
• Additional childbirth insurance

About us

CGI is a global IT and business process services provider delivering high-quality business consulting, systems integration and outsourcing services. With over 77500 professionals in 40 countries, of which nearly 300 in Poland in 3 cities, CGI is a world leader in transforming innovation, information and technology to the success of our customers. A combination that opens many and flexible career paths.

What you can expect from us:

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.