
Infotree Service Sweden Filial · Warsaw
ABOUT OUR CLIENT Our client is a prestigious, globally recognized financial institution and a leading player in the investment banking world. Operating on a gl...
Our client is a prestigious, globally recognized financial institution and a leading player in the investment banking world.
Operating on a global scale, they are renowned for their excellence, cutting-edge market strategies, and commitment to fostering
talent. In their Warsaw hub, they offer a dynamic, collaborative environment where innovation meets high-performance culture. This
is an exceptional opportunity to anchor yourself within a world-class organization that truly shapes the global financial
landscape.
Are you a master of organization who thrives in a fast-paced, high-stakes environment? Do you want to be the backbone of a team
that drives the firm’s core financial strategies?
As an Administrative Assistant in Corporate Treasury, you will do much more than manage calendars. You will be a trusted partner
to two-three Managing Directors, serving as the critical link between senior leadership, global stakeholders, and cross-functional
teams. This role is ideal for a proactive self-starter who wants to own their responsibilities, streamline processes, and truly
make the position their own.
multiple global time zones.
leadership.
priorities.
transfers.
running like clockwork.
when needed.
management (Managing Director level preferred), ideally within financial services or a corporate corporate environment.
with global stakeholders.
time-sensitive tasks with a calm, professional demeanor.
information.
Ready to elevate your career? If you are motivated, detail-oriented, and ready to thrive in a busy, rewarding environment, we want
to hear from you.
ROLE SUMMARY As a Middleware Engineer, you will support the migration of critical payment processing applications from one data center to another. You will be responsible for middleware platforms that sit between the application and infrastructure layers, ensuring applications continue to operate reliably throughout planning, testing, migration, and post-migration activities. The role combines middleware administration, automation, troubleshooting, documentation, and close collaboration with project managers, infrastructure teams, and application owners. ---------------------------------------------------------------------------------------------------------------------------------- MAIN RESPONSIBILITIES APPLICATION MIGRATION * Support migration of middleware components to new data center environments. * Build, configure, test, and validate middleware services. * Coordinate migration activities with project managers and technical teams. * Resolve technical issues and remove blockers during migration. MIDDLEWARE ADMINISTRATION Manage and support technologies including: * Oracle WebLogic * Oracle Service Bus * Oracle Forms & Reports * Oracle REST Data Services (ORDS) * Oracle Internet Directory * Oracle APEX * Oracle Data Integrator (ODI) OPERATIONS * Perform BAU (Business As Usual) support alongside migration work. * Monitor application performance, availability, and reliability. * Troubleshoot middleware, integration, and deployment issues. * Ensure production stability. AUTOMATION & SCRIPTING Use scripting and automation tools such as: * Shell/Bash * PowerShell * Perl * Python * Rundeck * Ansible DOCUMENTATION * Produce and maintain technical documentation in Confluence. * Document configurations, procedures, migration steps, and operational knowledge. ---------------------------------------------------------------------------------------------------------------------------------- REQUIRED TECHNICAL SKILLS MIDDLEWARE * Oracle WebLogic 11g/12c * Oracle Service Bus * Oracle Forms * Oracle Reports * Oracle REST Data Services (ORDS) * Oracle Internet Directory * Oracle APEX * Oracle Data Integrator (ODI) DATABASE * PL/SQL * Oracle databases SCHEDULING & AUTOMATION * BMC Control-M * Rundeck * Ansible SCRIPTING * Bash/Shell * PowerShell * Python * Perl INFRASTRUCTURE KNOWLEDGE * Networking * Load balancing * TLS/SSL * High availability * Performance monitoring * Resilience and disaster recovery concepts ---------------------------------------------------------------------------------------------------------------------------------- SOFT SKILLS The employer is looking for someone who can: * Communicate effectively in Polish and English. * Work with international teams and SMEs. * Coordinate technical activities across multiple stakeholders. * Take ownership of tasks and deliver on commitments. * Share knowledge and collaborate effectively. * Understand the challenges of migrating business-critical applications. ---------------------------------------------------------------------------------------------------------------------------------- IDEAL CANDIDATE PROFILE A strong candidate would have: * Experience with data center or cloud migration projects. * Middleware administration experience in Oracle technologies. * Knowledge of enterprise application architecture (three-tier architecture). * Experience supporting payment, banking, or other high-availability enterprise systems. * Strong troubleshooting and problem-solving skills. * Familiarity with automation and DevOps practices.
Location: Warsaw (Poland) Working model: hybrid (from time to time to the office) Contract type: B2B Contract duration: 12 months (with the possibility of extension) Key Responsibilities * Administer, maintain, and support IBM Planning Analytics (TM1) and IBM Cognos Analytics applications. * Assist with the development and enhancement of financial planning and reporting solutions. * Manage and monitor financial data loading processes from multiple source systems. * Validate data quality, consistency, and integrity across financial applications. * Prepare and transform financial data for reporting, forecasting, and business analysis. * Develop and maintain SQL queries to support data extraction and validation. * Create and enhance Python scripts to automate data processing and improve operational efficiency. * Support Windows Server administration related to finance applications. * Investigate and resolve system and data-related issues in collaboration with Finance and IT teams. * Contribute to process improvements and documentation of financial systems and procedures. Requirements * Experience working with financial data, reporting, or financial systems. * Good knowledge of Python for automation and data processing. * Strong SQL skills for querying and validating data. * Analytical mindset with excellent attention to detail. * Experience working with large datasets and ensuring data quality. * Good communication skills and the ability to collaborate with cross-functional teams. * Fluent English (written and spoken).
Location: Warsaw (Poland) Working model: on site (5 days/week) Contract type: CoE/B2B Contract duration: until 30.06.2027 We are looking for an experienced and enthusiastic Platform Engineer. You will be responsible for designing and implementing DevOps processes such as onboarding applications to Kubernetes, deployments, administration, automation, security, documentation and closely cooperating with Dev teams. Key responsibilities: •Works with application team to onboard and document applications internal/external interface requirements for Development, Testing and Production environments in Kubernetes; •Implements middleware application specific requirements as needed, ensuring that integration across components in the TI provided environment is functional; •Provides technical guidance to application teams to take advantage of cloud technologies, and implement cloud infrastructure, as needed in coordination with other DevOps staff in Fiserv; •Preparing environment for implementing application using scripting; •Co-creation and management of application deployment processes; •Work with development team and respect Agile methodologies; •Cooperation with other IT departments within organization (security, middleware team, linux team, …) , participation on change management processes. Personality requirements and skills: •3+ years work experience in DevOps area; •Excellent proficiency of CI/CD in Jenkins/Gitlab, Jira, Git, Docker and Kubernetes; •Ability to use a wide variety of open-source technologies and be familiar with cloud services (AWS, Azure ...); •Experience with gitops approach and ArgoCD; •Experience with onboarding springboot and frontend applications to Kubernetes; •Good to have: A working understanding of code and script (at least one - JAVA, Bash, Python); •Mandatory languages: Polish and English. Communicative team player willing to learn and cooperate with others and drive for successful delivery.