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11.04.2026 | Pełny etat | Wysokie Mazowieckie | DevsData LLCThat power digital transformation in the financial and enterprise sectors. Requirements Strong experience in building server-side applications using and . Hands-on experience with API development and integration, particularly with GraphQL or RESTful services. Strong knowledge

11.04.2026 | Pełny etat | Wysokie Mazowieckie | HelloFreshDevelopment, deployment and operations of the microservices you will develop, using DevOps practices, pair programming and other cutting-edge methodologies. Be an active, solution-oriented member of autonomous, cross-functional agile teams collaborating with Product Owners, Front-end Engineers and a number

11.04.2026 | Pełny etat | Wysokie Mazowieckie | Capco Polandusing TypeScript and React Framework. Implement RESTful API endpoints using TypeScript, NestJS, and . Participate in peer code reviews to maintain code quality and adhere to engineering best practices. Collaborate with developers to build reusable code and libraries for future use. Implement

11.04.2026 | Pełny etat | Wysokie Mazowieckie | RTB HouseTechnologies and the possibility of real use of them in a large-scale and highly dynamic project; Possibility of using the possessed knowledge and competences in practical applications - while optimizing algorithms supporting hundreds of millions of Internet users and monthly buyers of billions of advertising

11.04.2026 | Pełny etat | Kraków | ServiceTitanThat loves solving complex problems on a global scale, using the most modern tools. We believe in engineering excellence, fostering a culture of autonomy and true work-life balance, and providing the flexibility you need to do your best work. We’re looking for thoughtful, proactive engineers who

11.04.2026 | Pełny etat | Wysokie Mazowieckie | Experis Manpower GroupExperience in full‑stack development using React, TypeScript, and C# .NET Core. Good understanding of microservices, distributed systems, and CI/CD pipelines. Exposure to cloud platforms (Azure preferred), containers, and modern DevOps practices. Experience with data workflows (pyspark) or BI solutions

11.04.2026 | Pełny etat | Kraków | HYPER EFFEKT SP. Z O.O.Develop and customize Shopify themes using Liquid, HTML, CSS, and JavaScript/TypeScript Build and maintain custom Shopify applications (private and public) Design and implement integrations with Shopify Admin API and Storefront API Write Python scripts and services for data integrations, ETL pipelines

11.04.2026 | Pełny etat | Wysokie Mazowieckie | CitigroupAs addressing the current needs on the existing platform. This role offers high visibility and will make a significant impact on the client onboarding experience, helping shape the future of how we serve our clients. Responsibilities Hands-on design and development of scalable software solutions using Java

11.04.2026 | Pełny etat | Wysokie Mazowieckie | ShelfSpecifications and component API designs that clearly communicate interface decisions, performance trade-offs, and accessibility considerations Build and optimize data-heavy UIs using React Flow for node-based graphs, Highcharts for analytics visualizations, and custom virtualization for handling large datasets