21 backend developer English-speaking jobs in Kielce
Regular Senior Web NET Developer - Talent Pool
- Transition Technologies PSC
- Kielce
- May 6
the development and maintenance of modern web applications and backend services. ... This posting is part of a Talent Pool for the .NET Developer role. ... We are seeking a Regular or Senior .NET Web Developer to work on an active client project focused on ... discussions Collaborate with QA, DevOps, and product teams Requirements Commercial experience as a .NET Developer
Senior Python Engineer
- VirtusLab
- Kielce
- May 18
If you want to shape a developer tool from the early stages, this is it. ... Visualising model statistics and system load on top of a backend that actually does the deployment. ... Your daily work will be on the backend: adapting LiteLLM configuration as agent APIs (Claude Code, Codex ... What we expect in general: Strong Python skills with experience in backend frameworks such as FastAPI
Kotlin Engineer – Senior Staff
- VirtusLab
- Kielce
- May 18
Visualising model statistics and system load on top of a backend that actually does the deployment. ... You will work with tooling engineers, and you will be part of an organisation specialized in developer ... configurations Experience with IDE development, especially around JetBrains IDEs Hands-on experience with developer
.NET Developer
- Groupe SII
- kielce
- May 6
product architecture in its current and future shape Your skills At least 3 years of experience as a .NET Developer
ABAP Developer
- Groupe SII
- kielce
- May 6
We are looking for an experienced ABAP Developer to join our team for an international S/4HANA implementation
Software Engineer with LLM Expert
- VirtusLab
- Kielce
- May 6
developer workflows. ... experience in a big technical organization (thousands of developers) via AI-based developer tools. ... experience in a big technical organization (thousands of developers) via AI-based developer tools. ... member of a new, globally distributed team dedicated to a single mission: revolutionizing internal developer ... Nice to have: A passion for or prior experience in building developer tools, IDE plugins, or enhancing
Python Software Engineer with LLM Principal
- VirtusLab
- Kielce
- May 6
experience in a big technical organization (thousands of developers) via AI-based developer tools. ... experience in a big technical organization (thousands of developers) via AI-based developer tools. ... member of a new, globally distributed team dedicated to a single mission: revolutionizing internal developer ... tools, IDE plugins, or enhancing developer workflows Experience with DevOps practices and tools (CI/ ... member of a new, globally distributed team dedicated to a single mission: revolutionizing internal developer
JavaScript Test Developer
- Groupe SII
- kielce
- May 6
Then join us as a JavaScipt Test Developer for our newest Hi-Tech project.
Python Software Engineer with LLM (Expert) Poland : Kielce, Kraków, Wrocław + Remote 26 000 – 3[...]
- Virtus Lab Sp. z o.o. All trademarks their respective owners
- kielce
- May 1
experience in a big technical organization (thousands of developers) via AI-based developer tools. ... member of a new, globally distributed team dedicated to a single mission: revolutionizing internal developer ... experience in a big technical organization (thousands of developers) via AI-based developer tools. ... tools, IDE plugins, or enhancing developer workflowsExperience with DevOps practices and tools (CI/CD ... member of a new, globally distributed team dedicated to a single mission: revolutionizing internal developer
C++ Developer
- Groupe SII
- kielce
- May 6
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.
AEM Back-end Developer
- Groupe SII
- kielce
- May 6
We are looking for a Regular/Senior Java Developer with Adobe Experience Manager knowledge, to join our
Regular Senior Desktop NET Developer - Talent Pool
- Transition Technologies PSC
- Kielce
- May 6
This posting is part of a Talent Pool for the .NET Developer role. ... We are seeking a Regular or Senior .NET Desktop Developer to work on an active client project involving ... Support and mentor less experienced developers Requirements Commercial experience as a .NET Desktop Developer
Senior GoLang Developer
- Transition Technologies PSC
- Kielce
- May 6
This posting is part of a Talent Pool for the Go Developer role.
Senior React Native Developer
- iTeamly
- Kielce
- May 18
We are looking for a Senior React Native Developer to build enterprise mobile applications for a global
IDE Engineer Senior Staff
- VirtusLab
- Kielce
- May 6
They collaborate closely with external contributors and users to deliver stable, high-quality developer ... working on compiler or code analysis tools is a plus English at B2 level or higher Passion for improving developer
Regular Senior NET Fullstack Developer
- Transition Technologies PSC
- Kielce
- May 6
discussions Collaborate with QA, DevOps, and product teams Requirements: Commercial experience as a .NET Developer
AI Tooling Engineer Senior Staff
- VirtusLab
- Kielce
- May 6
Experience with extending developer tooling: IDEs, CI/CD systems Experience with design and creation ... build tools: Nice to have English: Advanced Project: Emesai Project scope We are working with the core developer
AI Tooling Engineer Regular
- VirtusLab
- Kielce
- May 6
Some experience with extending developer tooling: IDEs, CI/CD systems Some experience with design and ... build tools: Nice to have English: Advanced Project: Emesai Project scope We are working with the core developer
Product Owner
- Transition Technologies PSC
- Kielce
- May 6
Prioritize backlog based on business value, risk and security impact Work closely with: Engineering teams (backend
Automated Security Scanning Analyst
- Groupe SII
- kielce
- May 6
application Staying up to date within the industry with new trends and best practices Training and supporting developer














































