6 it software development jobs in Warsaw

As a Backend Engineer in the Global Bank Tribe, you’ll be part of the team which builds SumUp's own digital bank to make our customers more successful in what they like doing. You’ll be part of a global, autonomous, cross-functional team that can take an aspect of our product and perfect it from concept to execution. We are looking for 3 new team members. 2 for our Card EU squad which is responsible for providing card services to account holders in the EU and 1 for our Transfer Excellence squad which is responsible for driving quality-of-life improvements in our merchants' transfers experience. We are transitioning from a localized setup with regional banks to a unified global bank and will need experienced backend engineers to join us in this journey. We are building our systems with event-driven microservices architecture. Whether you are already comfortable with Kotlin or are eager to learn in the process, we welcome your application and look forward to meeting you. What...

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talent team.We are looking for VoIP Network Engineer to enhance our Voice operations team.Requirements: At least 3 years of previous experience working as a VoIP network engineer Advanced and/or FreeSWITCH and 3CX certification would be beneficial In-depth knowledge of VoIP systems and IP Protocols Knowledge of hardware systems including servers, memory modules, processors, and peripherals Detailed knowledge of network security systems and software Good project management skills Familiarity with WAN and LAN systems Excellent troubleshooting skills Advanced written and verbal communication skills Ability to identify, deploy, and manage complex PBX and...

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talent team.As a Java Developer you will be part of the team responsible for development and maintenance of the company's internal risk management tool.Key Responsibilities Identify and resolve any technical issues arising in a timely manner Test and debug application, Implementing and maintaining Java-based applications Work on high availability and superb performance of in-house applications Contributing in all phases of the development lifecycle Develop and maintain up to date code documentation Qualifications 2+ years of development experience Strong Java core experience Strong SQL knowledge (PostgreSQL, Clickhouse) Knowledge of JVM performance...

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talent team.We are looking for an Operations Engineer for our Backend Team.Responsibilities: Investigate and resolve operational incidents – report, describe and fix bugs Design operational tools to make the process of issue identification (root cause) and resolution better and faster Track the common issues and own documentation of the operational activities Requirements: Minimum of 1 year of commercial coding experience in Java; English level B2 and higher; SQL (PostgreSQL), Python or Bash/Shell CLI, the ability to work with any Unix OS; Good knowledge of Java and Spring; Experience reading, writing, and debugging code; Technical documentation writing...

We're looking for a talented, driven and hungry Senior Backend Developer to join our growing team who can collaborate and help define the vision of the product and the company. You will be responsible for building APIs and microservices on our platform and report to an engineering manager. WHAT WILL YOU DO Build and Publish APIs to support our platform and customers using GraphQL Build microservices to support new features Practice disciplined software engineering (e.g. automated testing, code reviews, and writing clean, simple and reusable code) Solve complex problems and workflows YOU MAY BE A FIT IF YOU HAVE/ARE Experience in backend development using Java Experience in Spring and ideally Micronaut An understanding on microservices architecture and principles The ability to create unit tests and functional tests An understanding of GraphQL and building APIs Experience with Java, JUnit 5, Postman, Docker, Design patterns The ability to work in an agile...

A universe of opportunities, open to you. Payoneer’s mission is to empower anyone, anywhere to participate and succeed in the global economy. If our mission connects with your values, if you revel in solving complex challenges, and if you want to continuously advance your career, come realize your potential at Payoneer! Life at Payoneer is a global community, where you’ll work with colleagues all over the world, in a hybrid or remote work frame. As an equal opportunity employer, the only things that matter to us are your skills, your drive and your desire to have a positive impact on others. What's the job? We are looking for a highly-talented Customer Success Manager to join our fast growing Payoneer Team and own the processes of customer onboarding, growth and retention. This role will be a great fit if you have a background in Customer Success, Key Account Management or Business Development. Preferable location of the candidate is Ukraine,...