Junior C Developer jobs in Warsaw – Browse 401 openings on RoboApply Jobs

Junior C Developer jobs in Warsaw

Open roles matching “Junior C Developer” with location signals for Warsaw. 401 active listings on RoboApply Jobs.

401 jobs found

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companyVeeam Software logo
Junior C# Developer

Veeam Software

Full-time|On-site|Warsaw, Poland

At Veeam, we are committed to being the Data and AI Trust Company, empowering organizations to secure and comprehend their data and AI assets. As the leading provider in data resilience and security posture management, we are uniquely positioned to address the convergence of identity, data security, and AI risk. With our headquarters in Seattle and a presence in over 30 countries, Veeam proudly protects more than 550,000 customers globally, ensuring their businesses operate smoothly. Join us on our journey as we move forward together, fostering growth, learning, and making a significant impact for some of the world’s most prominent brands.About the RoleWe are seeking a motivated Junior C# Developer to become a key part of our team focused on Veeam Backup and Replication, along with its extensions.What You’ll DoDevelop and design REST APIs for Veeam Backup & Replication.Create new products while providing support for existing features.Engage in individual and team development of components and overall product architecture.Technologies We Use:C#, .Net 10, Windows/Linux, MS SQL, PostgreSQL, Multithreading.

Apr 1, 2026
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companyTietoevry logo
Full-time|On-site|Warsaw

Join Tietoevry as a Junior Software Engineer specializing in C language, where you'll contribute to innovative telecommunications solutions. Be part of a dynamic team that pushes the boundaries of technology and drives growth.

Apr 2, 2026
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companyVeeam Software logo
Senior C# Developer

Veeam Software

Full-time|On-site|Warsaw, Poland

Veeam Software seeks a Senior C# Developer based in Warsaw, Poland. This position centers on enhancing data management and cloud backup products. Collaboration and delivering clear results for clients are core values for the team. Key responsibilities Design and implement features for data management and cloud backup solutions using C# Collaborate with other developers to expand and strengthen product functionality Share ideas and participate in code reviews and team discussions Requirements Extensive hands-on experience with C# development Comfort working as part of a collaborative team Genuine interest in data management and cloud technologies

Apr 27, 2026
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companyVeeam Software logo
Full-time|On-site|Warsaw, Poland

Veeam Software seeks an experienced C# Developer to join its Warsaw team. This position is designed for professionals who take pride in building dependable, thoughtfully designed software. Role overview The team emphasizes collaboration and values technical excellence. Developers here work together to achieve high-quality outcomes and maintain a supportive environment. What you will do Contribute to the design and development of software using C# Focus on delivering reliable and maintainable solutions Work closely with colleagues to achieve shared goals Requirements Professional experience with C# development Commitment to quality and attention to detail Interest in collaborative problem-solving

Apr 27, 2026
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companyVeeam Software logo
Full-time|On-site|Warsaw, Poland

Veeam is recognized as the Data and AI Trust Company, dedicated to empowering organizations to fully comprehend, secure, and maintain the resilience of their data and AI systems. As a leader in data resilience and security posture management, Veeam is designed for the convergence of identity, data, security, and AI risk management. With its headquarters in Seattle and operations in over 30 countries, Veeam safeguards the data of more than 550,000 customers globally, who rely on Veeam to ensure their business continuity. Join us in our mission to advance fearlessly, fostering growth, learning, and making a significant impact for some of the world's largest brands.About the RoleWe are seeking a skilled C# Developer to join our team, where you will play a pivotal role in enhancing the backend of Veeam Backup for Hypervisors, improving data protection and fostering business resilience.What You'll DoDesign and implement business logic for virtualization products (RHV, Nutanix, Proxmox VE, etc.)Develop new functionalities and enhance existing featuresImplement significant functionalities across various components of the productContribute to the individual development of components and the overall architecture of the product

Mar 31, 2026
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companyVeeam Software logo
Full-time|On-site|Warsaw, Poland

Veeam Software seeks a Senior C# Developer in Warsaw, Poland, to work on Microsoft 365 solutions. This role involves building and maintaining software that enhances Veeam’s product offerings. Key responsibilities Design and develop software applications in C# that integrate with Microsoft 365. Maintain and improve existing code to support new features and ongoing enhancements. Collaborate with engineering, product, and QA teams to deliver updates and improvements. Contribute to solutions that address customer needs and refine the user experience. Location This position is based in Warsaw, Poland.

Apr 23, 2026
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companyinetum2 logo
Full-time|On-site|Warsaw

Join our innovative team at inetum2 as a JVM Software Engineer / C Developer. In this role, you will leverage your expertise in Java Virtual Machine (JVM) and C programming to design, develop, and maintain high-quality software solutions.We are looking for someone passionate about technology, who thrives in a collaborative environment and is eager to tackle complex challenges. You will work closely with cross-functional teams to deliver robust applications that meet our clients' needs.

Nov 26, 2025
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companyTalan logo
Full-time|On-site|Warsaw

We are seeking a highly skilled and motivated Senior Full Stack Developer proficient in Python 3 and C++. In this role, you will work closely with our engineering and development teams to design, implement, and maintain robust software solutions that meet our clients' needs.Your expertise will help in driving innovation and developing new features while ensuring the performance, quality, and responsiveness of applications.

Apr 7, 2026
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companySperasoft logo
Full-time|Remote|Remote — Warsaw, Masovian Voivodeship, Poland

Sperasoft seeks a C++ Developer with strong Unreal Engine 4 or 5 skills to join the team building AAA game titles. This remote role is based in Warsaw, Masovian Voivodeship, Poland. Work alongside experienced engineers and contribute to high-profile projects aimed at major gaming platforms. Key responsibilities Design and implement features across gameplay, AI, and engine systems using Unreal Engine 4 or 5. Collaborate with team members from various disciplines throughout the development cycle. Assist with deployment to major platforms and stores such as Sony, Microsoft, and Nintendo. Participate in architectural planning, design new systems and modules, and prototype features. Optimize code for performance to ensure smooth player experiences. Engage in all phases of game development, from early design through to release.

Apr 23, 2026
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companyLLInformatics logo
Full-time|Hybrid|Warszawa, Mazowieckie, Poland

Join the LLI Academy: Now Recruiting Junior Software Developers!We are thrilled to announce the launch of the third edition of our LLI Academy, a program aimed at identifying and nurturing talented junior developers who are passionate about technology, coding, and eager to enhance their skills in a professional setting.This initiative provides aspiring developers with the chance to gain practical experience, receive mentorship, and integrate into our vibrant team.Our previous cohorts have thrived, leading to ongoing collaboration with remarkable junior developers who have transitioned into full-time roles within our company. We are now looking for the next generation of talent to join us!About LLInformaticsLLInformatics is a progressive IT consulting firm, highly regarded by clients throughout Europe and North America. We excel in delivering complex projects with precision and quality, adhering to the highest compliance standards.Our remote-first team of over 100 experts is dedicated to creating innovative digital products that yield significant results. With an emphasis on data-driven decisions and measurable outcomes, we are setting new industry standards, supported by a strong, collaborative company culture that drives our success. Location: Warsaw (on-site for the first 3 months, then the possibility of remote work) Contract Type: UZYour Responsibilities:Develop your programming skills with guidance from mentors and a structured learning path.Implement new features and functionalities into existing projects.Address programming challenges while deepening your knowledge of Ruby.Engage in regular code reviews and receive constructive feedback from seasoned developers.Maintain and enhance existing codebases through bug fixes and refactoring.Create unit, integration, and end-to-end tests to ensure software quality.Requirements:A strong desire to learn and improve coding skills.Basic knowledge of programming languages, particularly Ruby.Ability to work collaboratively in a team environment.

Mar 3, 2026
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companynetcompany1 logo
Full-time|On-site|Warsaw

Join our dynamic team as a Junior Java Developer and embark on an exciting journey with netcompany1, where innovation meets technology! In this role, you will have the opportunity to work on cutting-edge projects, collaborate with experienced developers, and enhance your coding skills in a supportive environment.

Mar 24, 2026
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companynetcompany1 logo
Full-time|On-site|Warsaw

Join our dynamic team as a Junior .NET Developer at netcompany1 in Warsaw. In this role, you will have the opportunity to develop innovative software solutions using the latest technologies. You will collaborate with experienced developers, gain hands-on experience, and contribute to exciting projects that make a real impact.

Mar 24, 2026
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companyVeeam Software logo
Full-time|On-site|Warsaw, Poland

Join Veeam Software as a Software Developer in Test, where you will be at the forefront of ensuring the quality and reliability of our products. You will work in a dynamic environment, utilizing your expertise in Python or C# to develop automated tests and enhance our testing frameworks.

Apr 7, 2026
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companyTeltonika Networks logo
Full-time|Hybrid|Warsaw, Masovian Voivodeship, Poland

Teltonika Networks is looking for a Junior Backend Software Engineer to join the team in Warsaw, Masovian Voivodeship, Poland. The company develops networking equipment for industrial and enterprise use, including routers, switches, gateways, and modems. Teltonika’s technology supports clients in sectors such as Industry 4.0, Smart City, and Green Energy. For more details on their products, visit Teltonika Products. Role overview This position involves hands-on work with embedded Linux software and API frameworks for IoT devices. The team is international and values collaboration to solve technical challenges. The role is well suited to early-career engineers who want to deepen their technical skills while working on real-world projects. Main responsibilities Design, implement, and maintain embedded Linux software for IoT hardware. Develop and support an API framework used by multiple R&D teams. Analyze and integrate new technologies into existing systems. Collaborate with colleagues from different countries to address complex problems. Requirements At least 1 year of experience programming in C. Minimum 1 year working with APIs. Proficient in Shell and Python scripting. Familiarity with Git version control. Experience working with Linux-based systems. Strong English communication skills, both written and spoken. Preferred qualifications Technical degree in a relevant field. Understanding of computer networking concepts. Experience with Lua programming. Knowledge of OpenWrt. Benefits Opportunities for growth within a growing company. Work on ambitious projects focused on industrial networking devices. Private medical care (Medicover Premium) and Multisport card. Hybrid work model with flexible arrangements. Extra day off for your birthday. Team-building activities to support collaboration.

Apr 23, 2026
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companyNetcompany logo
Full-time|On-site|Warsaw

Join our dynamic team at Netcompany as a Junior Java Developer, where you'll have the opportunity to work on innovative banking solutions. In this role, you'll collaborate with experienced developers to design, implement, and support cutting-edge applications that empower our clients to achieve their financial goals. Your contributions will directly impact our projects, making you an integral part of our success in delivering outstanding banking services.

Mar 24, 2026
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companyNetcompany logo
Full-time|On-site|Warsaw

Join our dynamic team at Netcompany as a Junior .NET Developer, where you'll be part of a vibrant working environment focused on innovation and collaboration. In this role, you'll contribute to the development of cutting-edge banking solutions, enhancing user experiences through efficient and scalable applications.

Mar 24, 2026
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companyTelemedi logo
Full-time|Remote|Remote — Warsaw, Masovian Voivodeship, Poland

Join Our Growing IT Team!At Telemedi, we are in search of enthusiastic Junior Developers eager to grow their skills in the dynamic world of software development. With a strong focus on integrating AI technologies into our workflow, we encourage candidates who are ready to embrace innovation.Embrace the Future of Software DevelopmentGone are the days of traditional programming; the new era is here, and we are at the forefront of change. By leveraging the latest technologies and our commitment to excellence, we aim to build faster, better, and stronger solutions than ever before.Collaborate with Cutting-Edge ToolsOur developers work with Cursor AI (cursor.com), an innovative IDE that transforms programming paradigms. We expect you to be able to achieve in hours what others might take days to complete.What We’re Looking For:Desire to work in a product-based company where your contributions directly impact business outcomes.Ambition to grow through hands-on experience rather than just courses.Solid foundational knowledge in modern programming practices.A passion for a fast-paced environment where innovation is key.A sense of accountability for your work and that of your team.Openness to constructive feedback to improve your craft.A willingness to tackle challenges and navigate complex applications.A knack for understanding business needs and effective communication across departments.Ability to swiftly and efficiently create quality applications and features.A proactive attitude towards improving processes within your team.Your Responsibilities:Participate in the end-to-end development of IT solutions (we believe in collaborative efforts).Enhance web applications through new features, bug fixes, and refactoring.Engage in the design of new architecture and development infrastructure.Contribute to code reviews and ensure the quality of developed solutions.Consistently elevate development process standards.Work closely with the team (Developers, PMs/POs, QAs) to achieve high-quality outcomes.Maintain high programming standards and a swift delivery pace, both individually and as a team.

Jul 18, 2025
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companyJetBrains s.r.o. logo
Full-time|Remote|Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; London, United Kingdom; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland; Yerevan, Armenia

JetBrains is seeking an AI Lead focused on integrating artificial intelligence into the C++ ecosystem. This role shapes how AI features enhance C++ development tools, directly impacting the way engineers write and maintain code. Key responsibilities Lead initiatives that embed AI capabilities into JetBrains C++ products Collaborate with engineering teams to design and implement AI-driven solutions for software development workflows Help set the direction for AI in C++ tooling at JetBrains Locations This position is open in Amsterdam, Belgrade, Berlin, Limassol, London, Madrid, Munich, Paphos, Prague, remote (Germany), Warsaw, and Yerevan.

Apr 28, 2026
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companyIncubane powered by VirtualResource logo
Contract|On-site|Warsaw, Mazowieckie, Poland

Become a Key Player in Shaping the Future of WorkdayIncubane — powered by VirtualResource (VR) — is a forward-thinking, technology-centric team focused on enhancing Workday with Extend services. We leverage AI automation and innovative applications to optimize HR systems within the Workday ecosystem. As part of our boutique consultancy, we are dedicated to transforming the HR tech landscape through deep expertise and cutting-edge tools.What Will You Do?We are in search of a driven Junior Developer eager to evolve into a Workday Extend Developer. This position offers a structured learning path, hands-on project experience, and mentorship opportunities with seasoned consultants.This role is crafted as a development journey — providing you the chance to enhance your technical skills while working with real client projects. You will begin by solidifying your knowledge in Workday Extend, Built on Workday, and enterprise cloud development, with the aspiration of becoming a proficient Workday Extend Developer capable of delivering impactful, scalable solutions.Collaborating with experienced Workday consultants and developers, you will gain insights into the complete application lifecycle, from requirements gathering to deployment and post-go-live support, while deepening your understanding of Workday HCM and Financial domains.If you are passionate about learning, cloud technologies, and developing business-oriented applications, this is a remarkable opportunity to specialize in a high-demand platform and fast-track your career.Key Responsibilities:Engaging in the complete development process of Workday Extend applications for client projectsCollaborating with clients and internal teams to gather, refine, and document business requirementsDesigning, building, and deploying custom applications utilizing Workday Extend and Built on Workday technologiesSupporting existing applications and troubleshooting issues as they ariseAcquiring in-depth knowledge of Workday Extend and its integration with core HCM/Financial modulesFostering strong relationships with clients to ensure that delivered solutions align with business needs and are commercially viableParticipating in team knowledge sharing and best practices, while escalating complex issues as necessaryAs an Incubane consultant, you will have the autonomy to manage your day, provided you meet your objectives and client expectations. Your team will often comprise a blend of on-site and remote members who will communicate through IM, video calls, and an online ticketing system.

Feb 16, 2026
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companyCD Projekt Red logo
Full-time|On-site|Warsaw

CD Projekt Red is hiring a Software Engineer (C++) to focus on online and multiplayer features at their Warsaw studio. This role is part of the engineering department and helps shape the multiplayer experience for players around the world. Role overview This position centers on developing and refining systems that power multiplayer gameplay. Collaboration is key, as the engineer will work alongside other developers and team members to build engaging online features. What you will do Collaborate with engineers and other team members to develop and enhance online and multiplayer systems. Use C++ to improve game performance and system efficiency. Design and implement new features that support immersive multiplayer experiences. The team Work with a group of experienced professionals dedicated to creating memorable gaming experiences. The team values technical expertise, creativity, and a drive to advance multiplayer gaming.

Apr 24, 2026

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