Praca senior back-end javascript developer – Krakow

Are you passionate about building robust and scalable core Java server systems? Are you motivated to deliver real business value? We are currently looking for a Senior Java Software Developer. You will be working in a global team that develops and maintains a suite of applications that comprise Securities Operations and Corporate Action systems in Group...

Sensor Tower’s digital intelligence platform provides unparalleled insight into market trends, advertising, competitor’s strategies, and consumer/user audience across mobile, web, and gaming. Sensor Tower’s insights are trusted by more than 2,500 enterprises worldwide across tech, retail/commerce, entertainment/media, gaming, consumer packaged goods...

  Senior Python Developer - Model Enablement Location: Krakow, PolandContract Type: ContractRemote Status: Hybrid Develop high-quality Python code for credit risk modelling toolkit used across global operations Work directly with wholesale credit risk modellers to ensure toolkit adoption and gather improvement feedback Contribute to large-scale...

We're seeking a Senior Full Stack Developer (Angular & Node.js) to become part of our team.In this position, you'll architect, develop, and support modern web applications and backend services powering an enterprise AI-driven platform. The role covers frontend interfaces, RESTful API development, database architecture, and streaming solution integration....

We are delighted to present this opportunity for our global financial services client, who is looking to recruit a Full Stack Developer Your team IB IT Reference Data and Client Lifecycle Management is a global technology team responsible for building and delivering solutions for mastering and distribution of reference data and client on-boarding, ...

  .NET Developer   Location: Warsaw   Contract Type: 6 Months Job Type: On-site  Lead development of .NET applications with a competitive day rate of 1567.7 PLN  Take technical leadership on projects using C#, ASP.NET and modern frameworks  Work with cross-functional teams in an Agile environment  Mentor development...

  Location: Krakow, PolandContract Type: ContractRemote Status: Hybrid Lead development of credit risk modelling toolkit used across global operations Manage and mentor a medium-sized developer team on high-impact financial engineering projects Shape how thousands of risk analysts work by improving toolkit adoption and user experience Work with...

Who We AreCharles River Development (CRD) is the FinTech division of State Street. Together with State Street’s Middle and Back Office services, Charles River’s cloud-based Front Office technology forms the foundation of the State Street Alpha Platform, the first front-to-back solution in the industry.Our vision is to be the world’s leading investment...

We are seeking a Senior Full-Stack Engineer with strong expertise in Java, Spring Boot, Kafka, microservices, and modern software architecture to deliver scalable solutions across enterprise banking and financial services environments.The ideal candidate brings valuable Financial Services experience spanning Investment Banking, Commercial Banking, Digital...

Overview Senior Quality Engineer (Java) (Hybrid/Kraków – 1 day per week in the office)  We’re Kingfisher, a team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: Castorama, B&Q, Screwfix, Brico Dépôt and Koçtaş - to life. That’s right, we’re big, but we have ambitions to become...

Sensor Tower’s digital intelligence platform provides unparalleled insight into market trends, advertising, competitor’s strategies, and consumer/user audience across mobile, web, and gaming. Sensor Tower’s insights are trusted by more than 2,500 enterprises worldwide across tech, retail/commerce, entertainment/media, gaming, consumer packaged goods...

We're looking for a Software Engineer .NET This role is Hybrid, Krakow OfficeThis role is Hybrid in Krakow.We are seeking a motivated Software Engineer with 1–2 years of professional experience building and shipping applications on the Microsoft .NET stack, relational databases, and AWS. You will join a team that builds cloud-based web applications and...

Position Title: Senior AI/ML Developer, AVP **Education:** - Bachelor's degree in Computer Science or related field. **Experience:** - 3+ years experience with Python libraries and common frameworks and tools. - Advanced coding and software engineering skills, and familiarity with software engineering principles around testing, code reviews and...

**About the role** **Alpha Data Services** seeks team player with strong experience and analytics interest in the content and management of data within Order Management systems used for trading and decision support as part of the growth in demand within Alpha Data services and our clients. State Street is making a multi-year strategic investment in Alpha...

**Powering the agentic revolution in travel.** Sabre is an AI-native technology leader, backed by one of the world’s largest travel data clouds. Built on an open, modular, cloud-native architecture, Sabre serves as the backbone for both established leaders and bold, new disruptors, guiding them to the next age of travel retailing through intelligent,...

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers in Kraków to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable...

Client Information A leading European software consulting and engineering company, home to 350+ EU-based professionals. Strong engineering culture built on ownership, clean code, and transparency. Required Skills Kotlin. Compose Desktop, REST APIs. Kotlin Coroutines. Cross-platform development Requirements Strong Kotlin skills Experience with build...

We are looking for a Senior QA Engineer to join our team and contribute to building an AI-powered operating system for healthcare marketing. In this role, you will go beyond traditional end-to-end testing, owning quality, evaluation, and monitoring for complex AI systems. You will work on real-world production-grade products that create monetizable value,...

YOUR ROLE Join a team delivering innovative AI-powered solutions that help transform and automate business processes at scale. We are looking for a Python Backend Developer to contribute to the development and evolution of a cutting-edge enterprise application leveraging Generative AI, Large Language Models (LLMs), cloud-native technologies, and intelligent...

📍Hybrid -> 3 days per week from the office Your Role Are you a software engineer who is up for a challenge? Because we’ve got a great one. We’re building a new analytics and risk platform. It’s called ACQA. It’s a cloud native platform with a host of business specific applications and services built on top of it. At its heart its Python, but we...