Legacy Systems Jobs in Warsaw

Who are we:Were building the next generation of secure scalable and compliant systems that operate at a global scale. As a developer youll tackle complex engineering challenges from distributed systems and cloud-native architecture to privacy-first solutions using modern technologie More...

Join our dynamic Migration Factory team the core engine driving technical transformation within the Solon project. We are looking for skilled Java developers to support end-to-end modernization of legacy systems focusing on efficiency standardization and scalability while ensuring hig More...

Who we are is what we do.Deel is the all-in-one payroll and HR platform for global teams. Our vision is to unlock global opportunity for every person team and business. Built for the way the world works today Deel combines HRIS payroll compliance benefits performance and equipment man More...

We are looking for a proactive and skilled person to support the development and modernization of our retail systems with a focus on adapting them to Linux and PostgreSQL environments. The systems include:POS (Point of Sale)Backoffice applicationsCentral management systems Main R More...

At U.S. Bank were on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions enabling the communities we support to grow and succeed in the right ways all more confidently and more oftenthats what we call the courage to th More...

At U.S. Bank were on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions enabling the communities we support to grow and succeed in the right ways all more confidently and more oftenthats what we call the courage to th More...

On behalf of NDA Mobile Payment Platform SD Solutions is looking for a talented Senior Backend Developer (Java & Python).We are looking for a highly skilled Senior Backend Developer with solid experience in Java (primary) and preferably Python to join our engineering team. You wil More...

On behalf of NDA Mobile Payment Platform SD Solutions is looking for a talented Senior Front-End Developer (Web Experience).We are looking for a highly skilled and responsible Senior Front-End Developer to join our growing team. You will play a key role in designing developing and opt More...

Project the aim youll have:Our client is a Polish company specializing in software for call-center and CRM. A new team of 4 people is being built and we are looking for a TechLead for it. The first tasks will include technological refactoring including migration from PHP 7.4 to 8.X a More...

Were seeking a Senior IT Infrastructure Project Manager to lead the standardization and modernization of global voice infrastructure including the retirement of legacy systems and migration to modern platforms like MS Teams Voice. The project scope includes Cisco CUCM Skype for Busine More...

We are looking for a proactive and skilled person to support the development and modernization of our retail systems with a focus on adapting them to Linux and PostgreSQL environments. The systems include:POS (Point of Sale)Backoffice applicationsCentral management systems Main R More...

Project the aim youll have:Our client is a Polish company specializing in software for call-center and CRM. A new team of 4 people is being built and we are looking for a TechLead for it. The first tasks will include technological refactoring including migration from PHP 7.4 to 8.X a More...

Join our dynamic Migration Factory team the core engine driving technical transformation within the Solon project. We are looking for skilled Java developers to support end-to-end modernization of legacy systems focusing on efficiency standardization and scalability while ensuring hig More...

Were seeking a Senior IT Infrastructure Project Manager to lead the standardization and modernization of global voice infrastructure including the retirement of legacy systems and migration to modern platforms like MS Teams Voice. The project scope includes Cisco CUCM Skype for Busine More...

We are looking for an adaptable and proactive Operations Specialist who will support our team across finance and HR operations. This is a hands-on role perfect for someone who enjoys organizing streamlining and building processes from scratch. In this role you propose changes and impl More...

ABOUT THE JOBWant to use your dev skills and experience for US clients Do you have the ambition to develop pragmatic innovative solutions This job will give you plenty of opportunities to shine and make an impact. Although the contract isnt tied to any specific project the main assign More...

Were seeking a Senior IT Infrastructure Project Manager to lead the standardization and modernization of global voice infrastructure including the retirement of legacy systems and migration to modern platforms like MS Teams Voice. The project scope includes Cisco CUCM Skype for Busine More...

MinutestoSeconds is a dynamic organization specializing in outsourcing services digital marketing IT recruitment and custom IT projects. We partner with SMEs midsized companies and niche professionals to deliver tailored solutions. We would love the opportunity to work with YOU!!Requi More...

On behalf of NDA Mobile Payment Platform SD Solutions is looking for a talented Senior Python Backend Developer.We are seeking a Senior Python Developer with a passion for building robust scalable systems that support highconcurrency realtime mobile applications. In this role youll jo More...

Were seeking a Senior IT Infrastructure Project Manager to lead the standardization and modernization of global voice infrastructure including the retirement of legacy systems and migration to modern platforms like MS Teams Voice. The project scope includes Cisco CUCM Skype for Busine More...