Internal Application Developer (Java/Kotlin)

Sperasoft seeks a Rendering Developer to strengthen the visual quality of its games. This is a remote role based in Warsaw, Masovian Voivodeship, Poland. The position centers on building advanced graphics engine features for both PC and console titles. Regular collaboration with engineers, artists, game designers, and QA specialists is part of daily work. Key responsibilities Design and develop graphics engine components for PC and console platforms. Implement and optimize rendering systems, addressing both high-level and low-level needs. Write clean, efficient, and maintainable C++ code. Contribute to technical decisions and influence the rendering architecture. Participate in all stages of game development, from prototyping through release. Mentor and support other engineers as needed.

Join Altersolutions as a Python Developer and become a key player in our dynamic team. You will work with cutting-edge technology to develop robust and efficient applications that enhance our services. If you are passionate about coding and eager to tackle challenges, we want to hear from you!

Join our dynamic team at Altersolutions as a Fullstack .NET Angular Developer! In this role, you will have the opportunity to work with cutting-edge technologies and contribute to innovative projects that impact our clients positively. Collaborate with cross-functional teams to design, develop, and implement robust applications that meet business requirements.

Role Overview Margo Group is looking for an Orchestrated Developer in Warsaw. This position focuses on building and maintaining orchestration capabilities that support smoother operations and stronger client outcomes. What You Will Do Develop and manage orchestration systems to improve operational efficiency Work closely with cross-functional teams to apply effective software development practices Contribute to project success by supporting technology solutions that serve client needs Team and Culture Join a group that values collaboration and practical innovation in technology. The team works together to solve problems and deliver results for clients and colleagues alike.

About the Role margo-group is hiring an Agentforce Developer for its Warsaw office. This team builds technology that connects shoppers and brands across the open internet, using proprietary commerce intelligence and AI-supported decision-making. The company values diverse perspectives, ongoing innovation, and an inclusive workplace where individuals can help shape the future of digital commerce.

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

Creatunity LLC is on the lookout for a talented and experienced technical leader to oversee our team of senior full-stack developers. This pivotal role requires a strong background in full-stack engineering alongside a proven capacity for leadership in developing and launching innovative IT products and applications. The ideal candidate has a history of writing production-quality code, managing delivery processes, mentoring developers, and successfully deploying intricate solutions powered by AI-assisted development tools. Contract Type: Independent Contractor AgreementWhat You'll Do Lead a skilled team of senior full-stack developers while coordinating technical execution across various projects. Develop scalable full-stack features utilizing Next.js, React, TypeScript, Prisma, and PostgreSQL. Employ Cursor IDE and AI coding assistants to enhance development workflows and boost productivity. Architect systems, design database schemas, and fine-tune performance-critical queries. Integrate and manage third-party APIs (e.g., Stripe, Supabase, music platforms, SaaS services). Create advanced admin dashboards, internal tools, and intricate user interfaces. Manage projects from inception to completion — from gathering requirements and system architecture to deployment and optimization. Set best practices for code quality, testing, documentation, and deployment pipelines. Mentor developers, conduct code reviews, and foster engineering excellence throughout the team.

We are seeking a talented Python Developer to join our dynamic team at SoftwareMind in Warsaw. As a mid-senior level developer, you will be instrumental in designing and implementing innovative solutions that leverage Python technologies. You will collaborate with cross-functional teams to deliver high-quality software that meets our clients' needs.If you are passionate about software development and eager to work in a fast-paced environment, we want to hear from you!

Role overview Box Inc. seeks a Mid-Level Python Developer based in Warsaw, Poland. The role focuses on building web applications that are both efficient and scalable. Work alongside a team of experienced developers, contributing directly through hands-on coding and participating in peer code reviews. Writing clean, maintainable Python code is central to this position. What you will do Develop and maintain web applications using Python Write code that remains clear, organized, and easy to support Participate in code reviews to help maintain quality standards Collaborate with teammates to address technical challenges Requirements Enjoys working through complex problems Proactive and willing to learn Comfortable contributing in a collaborative environment

Join our dynamic team as an Android Developer specializing in Kotlin. We are in the process of developing an innovative mobile application designed to facilitate scheduling and conducting inspections for field teams. This application will feature a Bluetooth module that enables seamless connectivity and configuration of inspection robots, enhancing the interaction between human operators and robotic systems.Key ResponsibilitiesArchitect and develop Android applications leveraging Kotlin.Implement Bluetooth Low Energy (BLE) modules for connecting, configuring, and managing inspection robots.Create robust scheduling and task management functionalities tailored for field inspection teams.Work closely with designers to ensure an optimized UI/UX experience for mobile applications used in challenging environments.Maintain application observability through effective logging, monitoring, and error reporting.Enhance quality assurance processes through unit testing, automated UI tests, and CI/CD pipeline management.

At Endava, we pride ourselves on being at the forefront of technology innovation. As a Senior Java Developer, you will play a pivotal role in designing, developing, and releasing sophisticated software solutions using various programming languages, frameworks, and libraries. Collaborating within cross-functional teams, you will adapt to challenges and focus on delivering exceptional client outcomes.This position is full-time (UoP) and requires in-office work at one of our locations in Kraków, Warsaw, or Gdańsk twice a week.Key Responsibilities:Architect, estimate, and implement technical solutions for applications of medium to high complexity.Engage actively throughout the entire application development lifecycle.Work closely with stakeholders to clarify requirements, processes, architecture, and priorities.Advocate for industry standards, tools, and practices (such as DevOps) to ensure high-quality software delivery.Identify opportunities for improvement and escalate risks/issues linked to development activities.Review and provide feedback on the work of fellow developers.Continuously learn and apply new technologies and methodologies relevant to ongoing projects.Participate in tech communities, conferences, and events.Share insights and experiences gained from various projects.

Join our dynamic team at evolution as a Frontend Developer, where you will play a crucial role in designing and implementing innovative web applications. You will collaborate with cross-functional teams to deliver exceptional user experiences while utilizing the latest technologies. If you have a passion for frontend development and a desire to create impactful digital solutions, we want to hear from you!

Role overview Talan is seeking a Mid-Level Backend Spark Developer to join the team in Warsaw. This role centers on building and maintaining backend systems, with Apache Spark as a primary tool. The work directly supports ongoing projects and plays a key part in meeting team objectives. What you will do Develop backend solutions that use Spark as a central technology Collaborate with colleagues from various disciplines to deliver dependable software Support project progress by helping meet milestones and upholding technical standards Location This position is based in Warsaw.

About Us:Planner 5D serves as a global hub for innovative home design, bringing together over 90 million users across 230 territories, including two adventurous users connecting from Antarctica each month! Our platform revolutionizes the home renovation journey from initial concept to final execution, making it easier than ever with our state-of-the-art software. You don’t need to be a professional designer to elevate your living or work space. We are passionate about making the dream of customizable homes available to everyone.Our platform is accessible across multiple devices including Web, iOS, Android, Windows, and MacOS, ensuring seamless user synchronization. Planner 5D is not just software; it's a dynamic community of dedicated and product-focused professionals. Our diverse team collaborates across different time zones, driven by a common ambition to transform the home design industry.We are on the lookout for talented individuals who are eager to take initiative and drive innovation within our expanding suite of tools. Join us in shaping the future of home design.We are seeking a Frontend Developer who shares our enthusiasm for crafting clean, maintainable, and efficient code utilizing JavaScript and TypeScript. Your primary responsibilities will involve enhancing and refactoring existing code, creating tests, and ensuring the performance and stability of our product. Our development approach primarily utilizes Object-Oriented Programming (OOP), and we adhere to stringent coding standards and technical requirements.Our technology stack includes PHP 7.4(8.1), Symfony, PHPUnit, MySQL, Redis, MongoDB, RabbitMQ, Git, Docker.For frontend, we utilize native JavaScript, jQuery (legacy code), TypeScript, and Three.js.

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.

Join psicro as a Full-Stack / Power Platform Developer and be part of a dynamic team that is dedicated to delivering innovative solutions. In this role, you will leverage your expertise in full-stack development and the Microsoft Power Platform to create impactful applications and streamline processes.As a developer at psicro, you will work on exciting projects, collaborating with cross-functional teams to drive success and enhance user experiences. If you are passionate about technology and want to make a difference, we want to hear from you!

We are seeking a highly skilled Senior Java Developer to join our talented team at altersolutions. In this role, you will be instrumental in designing, developing, and deploying robust Java applications that meet our clients' needs. Your expertise will help drive innovation and efficiency within our projects.The ideal candidate will possess a deep understanding of Java technologies, frameworks, and best practices. You will collaborate with cross-functional teams to deliver high-quality software solutions on time and within budget.

Join altersolutions as a .NET Developer and be part of a dynamic team in Warsaw, where you will contribute to exciting projects and develop innovative software solutions. We seek passionate developers who thrive on creativity and collaboration.

Join altersolutions as a Mid/Senior Angular Developer in Warsaw, where you will have the opportunity to work on innovative projects and enhance your skills in a collaborative environment. You will be responsible for developing dynamic web applications using Angular, collaborating with cross-functional teams to design and implement user-friendly interfaces.