50 English-speaking jobs in Holy Cross Voivodeship
IoT Specialist with AWS - Talent Pool
- Transition Technologies PSC
- Kielce
- May 26
Designs and develops solutions for Smart Connected Products, connecting the IoT layer with the application portal in the AWS environment. Implements end-to-end solutions (device → cloud → application), integrates IoT components, and provides implementation support in Python.
GMS Director - Continuous Improvement and LEAN Transformation
- Demant Polska
- Mierzyn
- May 19
Bazel Engineer Expert
- VirtusLab
- Kielce
- May 18
VirtusLab seeks a Bazel Engineer Expert with experience in building tools, CI/CD, and SDLC. Must have practical knowledge of at least one build tool other than Bazel and proficiency in a JVM, Rust, GoLang, TypeScript, or C++ ecosystem.
Build Engineer Senior
- VirtusLab
- Kielce
- May 18
Senior Build Engineer to architect and execute migration of a large-scale CI/CD infrastructure from CircleCI to GitHub Actions. Responsibilities include optimizing a complex CI pipeline, merging private repositories into public ones, and collaborating with developers. Requires advanced scripting (Bash/Scala), CI/CD (GitHub Actions preferred), and build tools (sbt) experience.
Kotlin Engineer – Senior Staff
- VirtusLab
- Kielce
- May 18
Senior Kotlin Engineer to build tooling for developers, including IntelliJ plugins, IDEs, and frameworks for local AI inference. Focus on design, implementation, and testing within a small, autonomous team. Strong Kotlin or Java skills and experience with asynchronous programming are required.
AI Transformation Lead QA
- Transition Technologies PSC
- Kielce
- May 14
Leads the implementation of AI solutions within the software development lifecycle (SDLC), focusing on testing processes. Designs and introduces new AI-driven best practices for QA teams. Recommends practical solutions to team challenges and supports teams in adopting AI tools.
Fullstack Go Developer
- OPTIVEUM sp. z o.o.
- kielce
- May 14
Full-Stack Software Engineer (Go) to design, implement, and maintain cloud services for a logistics platform. Responsibilities include developing API integrations, automating processes, and collaborating with cross-functional teams. Requires 4+ years of experience with GoLang, TypeScript, React, AWS, and MySQL.
Senior Frontend Engineer (React)
- OPTIVEUM sp. z o.o.
- kielce
- May 14
Senior Frontend Engineer to lead development of a web app for a tech company focused on simplifying shipping logistics. Responsibilities include translating designs into production code, ensuring web performance, and mentoring junior engineers. Requires 8+ years of frontend experience, deep React and TypeScript knowledge, and strong web fundamentals.
Railway Electrification Planner
- OPTIVEUM sp. z o.o.
- kielce
- May 8
Railway Electrification Planner for a long-term B2B contract. 100% remote work in Poland. Preferred: Eligibility for professional engineering registration (PE, CEng, or national equivalent).
Data Engineer Consultant Senior Staff
- VirtusLab
- Kielce
- May 6
Senior Data Engineer Consultant to collaborate with clients, define data pipeline requirements, and build data platforms. Experience with Snowflake, Python, data modeling, and cloud services is required.
IDE Engineer Senior Staff
- VirtusLab
- Kielce
- May 6
Senior Engineer to implement features, maintain code, and collaborate on IDEs like PHPStorm, RubyMine, and core JetBrains plugins.
Python Software Engineer with LLM Principal
- VirtusLab
- Kielce
- May 6
Founding member of a globally distributed team developing AI-based developer tools for a large technical organization. Design, implement, and integrate LLMs and APIs to automate software development tasks. Collaborate with engineers in the US to ensure platform meets global team needs.
Software Engineer with LLM Expert
- VirtusLab
- Kielce
- May 6
Founding member of a globally distributed team developing AI-based developer tools for a large technical organization. Design and implement integrations with LLMs and APIs, develop intelligent agent systems, and integrate AI capabilities into developer workflows.
Security Engineer Senior
- VirtusLab
- Kielce
- May 6
Security Engineer to shape security operations in a modern stack for a UK insurance leader. Responsibilities include incident response, AV/EDR, security policy creation, SIEM, IAM hardening.
Regular Senior NET Fullstack Developer
- Transition Technologies PSC
- Kielce
- May 6
Senior .NET Fullstack Developer to develop and maintain web applications using ASP.NET, APIs, and Azure Services. Requires C#, .NET, SQL databases, and Angular experience.
Product Owner
- Transition Technologies PSC
- Kielce
- May 6
Experienced Product Owner with a cybersecurity background needed to drive product development. Translate security requirements into product features, manage the backlog, and collaborate with engineering, product management, and security teams.
Regular Senior Desktop NET Developer - Talent Pool
- Transition Technologies PSC
- Kielce
- May 6
We are seeking a Regular or Senior .NET Desktop Developer to design, develop, and maintain desktop applications using C# and .NET.
Senior GoLang Developer
- Transition Technologies PSC
- Kielce
- May 6
Senior GoLang Developers with 4-6 years (regular) or 6+ years (senior) experience are sought. Expert Golang skills (3+ years daily coding), API development (REST, gRPC), Linux/container knowledge, cloud orchestration understanding, and strong teamwork are required.
Regular Senior Web NET Developer - Talent Pool
- Transition Technologies PSC
- Kielce
- May 6
We are seeking a Regular or Senior .NET Web Developer to design, develop, and maintain web applications, APIs, and services using C# and .NET.
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.















