1615 backend developer English-speaking jobs in Warsaw

Job DescriptionWe are seeking a Senior Appian Developer with at least 3 years of experience developing

Job Description We're hiring a C++ Developer for our client, an international company that creates

PowerBI Developer will create reports for IT departments, manage workspaces, and configure data refresh. Responsibilities include connecting to various data sources, writing SQL queries, and using Power Query/M for data transformation. The ideal candidate has advanced proficiency in DAX, data modeling, and visualization best practices.

Develop new C++ functionalities for IoT, automotive, and medical projects. Analyze bugs, ensure system integrity, and participate in software verification. Minimum 3 years of C++ experience (embedded systems) and Agile methodology knowledge required.

product architecture in its current and future shape Your skills At least 3 years of experience as a .NET Developer

We are seeking a skilled Scala Developer to join the team of our client from the banking industry.

Java Developer will develop, implement, and test software using advanced technologies. Experience with Java 8+, Spring/Hibernate/JPA, and Jira/Confluence/Git/Maven/Jenkins/Gradle is required.

We are looking for an experienced ABAP Developer to join our team for an international S/4HANA implementation

Java Developer will participate in building game features, establishing development pipelines, and designing and implementing game functionality. Responsibilities include identifying and fixing code errors, testing game functionality, and collaborating with engineers and architects. Requirements include deep Java knowledge, experience with Spring stack, messaging systems, and NoSQL databases, and proficiency in object-oriented design and software design best practices.

A full-stack developer helps build and maintain both the front-end and the back-end side of the project

C# Developer to join GBTO, the IT entity for Société Générale's Investment Bank. Develop and improve pre-trade chain software, including Tessa (structured products pricing tool), IWC (custom financial indices), and Dynamix (profit margin calculation).

.NET Developer needed for a growing project. The role requires 2+ years of .NET experience, C#, SQL, REST API, and unit testing knowledge. The team uses Docker, Kubernetes, Playwright/Selenium, and Git flow.

Position Description: We are looking for an experienced Guidewire Developer specializing in PolicyCenter

Position Description: As an IFS Developer in our team, you will work on projects related to the installation

iOS Developers (Junior, Mid, Senior, Lead) sought for a remote, B2B contract position. Develop for a popular iOS application, impacting millions of users. Proficiency in Swift/Objective-C, iOS frameworks, and design patterns required. Strong communication and problem-solving skills essential. Must be available for a 4-hour overlap between 15:00 and 19:00 Poland time.

improvements proactively Produce installation-ready artifacts and documentation to enable deployment without developer

experience with micro frontend architecture; however, if you have none but you are a very strong frontend developer

At Lionbridge, we're pushing the boundaries of innovation, and we're looking for a Process Developer

Requirements: Salesforce Developer with approx. 2–4 years of commercial experience.

RTL Developer needed for advanced digital systems. Lead functional specification development, design microarchitectures, and perform RTL debugging. Experience with Verilog/VHDL, synthesis tools, and SoC design is required.