Senior React Native Developer

Flying Bisons is a premier Digital Consulting and Delivery firm located in the vibrant city of Warsaw, Poland. Our mission is to empower our clients to Unleash Digital Potential™. We specialize in discovering, defining, designing, and developing top-tier digital products that yield significant business outcomes, crafting digital experiences for millions globally.What sets us apart is our comprehensive end-to-end process, enabling us to tackle every challenge with the assurance that we deliver exceptional results. Our expertise spans Research, Digital Strategy, Branding, Content Creation (including Written, Photography, and Video), Product Design, Web and Mobile Development, Data Analytics, and Artificial Intelligence.Become a part of our dynamic team of 120 professionals as we co-create industry-defining products and exhilarating experiences for renowned brands(Mercedes AMG, IKEA, KFC, eObuwie, Żabka, Sanofi, Zain) and innovative startups(such as Booksy, Nethone, Telemedi, and DevSkiller).We are assembling a curated network of skilled freelance React Native Developers to collaborate on current and forthcoming projects. By applying to join our freelancer pool, you will undergo an evaluation process and remain in our records for future opportunities. While you may not be contacted immediately, when a project aligned with your expertise arises, you will be invited to participate, with the option to accept or decline based on your availability. If you are enthusiastic about joining our talented pool, please submit your CV. We will reach out once a fitting opportunity emerges.Are you a self-motivated and reliable professional? If so, we eagerly await your response!Contract type: B2B

Who are we?Flying Bisons is a premier Digital Consulting & Delivery firm located in the vibrant city of Warsaw, Poland. Our mission is to empower our clients to Unleash Digital Potential™. We specialize in discovering, defining, designing, and developing exceptional digital products that yield tangible business results, enhancing digital experiences for millions globally.Our distinctive end-to-end process equips us to tackle every challenge with assurance, ensuring the delivery of outstanding results. Our expertise encompasses Research, Digital Strategy, Branding, Content Creation (Text, Photography, Videos), Product Design, Web & Mobile Development, Data Analytics, and AI.Join our team of 120 passionate professionals to co-create groundbreaking products and thrilling experiences for leading brands such as Mercedes AMG, IKEA, KFC, eObuwie, Żabka, Sanofi, Zain and innovative startups like Booksy, Nethone, Telemedi, or DevSkiller!If you're interested in joining our freelancer network, your application will be assessed, and your information will be retained. Please note, you may not be contacted immediately. As soon as a project that aligns with your skills arises, you will be invited to participate, with the option to accept or decline based on your availability. If you want to be part of our talent pool, please submit your CV. We will reach out when a suitable opportunity presents itself.Are you a self-motivated and reliable professional? If so, we are excited to hear from you!

Who are we?Flying Bisons is an innovative Digital Consulting & Delivery company located in Warsaw, Poland. Our mission is to empower clients to Unleash Digital Potential™ by discovering, defining, designing, and developing exceptional digital products that yield significant business outcomes, impacting millions globally.What sets us apart is our comprehensive end-to-end process, allowing us to confidently tackle every challenge and deliver superior results. Our areas of expertise encompass Research, Digital Strategy, Branding, Content Development (Written, Photos, Videos), Product Design, Web & Mobile Development, Data Analytics, and AI.Become a part of our dynamic team of 120 professionals and collaborate on industry-defining products and exhilarating experiences for renowned brandssuch as Mercedes AMG, IKEA, KFC, eObuwie, Żabka, Sanofi, Zain and innovative startups like Booksy, Nethone, Telemedi, or DevSkiller!We're assembling a curated network of talented freelance UX Designers to engage for current and upcoming projects.Upon applying to join our freelance pool, your application will be assessed and retained for future consideration. You may not receive immediate contact; however, when a project aligns with your expertise, we will reach out to offer you the chance to accept or decline based on your availability.If you are eager to be part of our talent network, please submit your CV, highlighting your relevant experience and areas of specialization. While we cannot promise immediate project opportunities, we assure you that we will connect with you when the right project arises.

Who are we?Flying Bisons is a premier Digital Consulting & Delivery firm located in Warsaw, Poland, dedicated to helping clients Unlock Their Digital Potential™. We specialize in discovering, defining, designing, and developing exceptional digital products that yield significant business outcomes for our clients, impacting millions globally.We differentiate ourselves through our comprehensive end-to-end process, which empowers us to tackle every challenge with the assurance of delivering outstanding results. Our areas of expertise encompass Research, Digital Strategy, Branding, Content (Written, Photos, Videos), Product Design, Web & Mobile Development, Data Analytics & AI.Join our dynamic team of 120 professionals to collaborate on innovative, industry-leading products and exhilarating experiences for renowned brands such as Mercedes AMG, IKEA, KFC, eObuwie, Żabka, Sanofi, Zain and trailblazing startups like Booksy, Nethone, Telemedi, or DevSkiller!We are assembling a selective network of skilled freelance UI Designers for current and upcoming projects.Upon applying to join our freelancer roster, your skills will be evaluated, and you will be retained for future opportunities. You may not be contacted right away; however, when a project aligns with your expertise, we will reach out for your availability to accept or decline the offer.If you are interested in becoming part of our talent pool, please submit your CV along with details of your relevant experience and areas of specialization. While we cannot guarantee immediate project placement, we commit to reaching out when the right opportunity arises.Contract type: B2BScope of tasks:Design and enhance scalable UI solutions for digital productsCollaborate with cross-functional teams to gather business and user requirements, translating them into intuitive and engaging designsEnsure all designs are consistent with design systems and adhere to industry best practicesCreate adaptable UI components that foster product scalabilityManage multiple projects while upholding design quality and efficiencyPresent design concepts and engage with clients and internal teamsParticipate in an end-to-end digital processCollaborate with fellow designers and other stakeholders to ensure cohesive design execution

About Us:Flying Bisons is a premier Digital Consulting & Delivery firm located in the vibrant city of Warsaw, Poland. Our mission is to empower our clients to Unleash Digital Potential™. We excel in discovering, defining, designing, and developing top-tier digital products that enhance business outcomes, impacting millions of users worldwide.What sets us apart is our comprehensive end-to-end process, which enables us to tackle every challenge with the confidence that we will achieve outstanding results. Our areas of expertise encompass Research, Digital Strategy, Branding, Content Creation (including Written, Photo, and Video), Product Design, Web & Mobile Development, Data Analytics, and AI.Join our dynamic team of over 100 professionals to co-create innovative products and exhilarating experiences for industry leaders(Mercedes AMG, IKEA, KFC, eObuwie, Żabka, Sanofi, Zain) and disruptive startups (such as Booksy, Nethone, Telemedi, or DevSkiller)!Haven't found an opportunity that aligns with your skills and aspirations?Are you perhaps a freelancer looking for thrilling projects?Feel free to submit your CV for future recruitment in the following areas:UX & UI DesignUX ResearchUX & CopywritingPhoto & Video ProductionProject ManagementProduct Management & Digital ConsultingWeb & Mobile DevelopmentMarketing & SalesData Analytics

Welcome to The Codest!We are an innovative international tech software company with a strong presence in Poland, specializing in delivering cutting-edge IT solutions and projects globally. Our core philosophy revolves around placing "Customers and People First," ensuring that we prioritize our clients' needs while fostering a collaborative environment for our team members, which empowers us to provide outstanding products and services.Our expertise encompasses web development, cloud engineering, DevOps, and quality assurance. After years of successfully developing our flagship product, Yieldbird—which has proudly received accolades as a laureate of the prestigious Top25 Deloitte awards—we have committed ourselves to our mission: to assist tech companies in building impactful products and effectively scaling their IT teams by enhancing IT delivery performance. Our extensive experience with product development challenges has positioned us as experts in crafting digital products and scaling IT teams.But our ambition doesn't stop here; we are eager to expand our horizons. If you are driven by goals and are on the lookout for new opportunities, we invite you to join our team! Here, you will discover a nurturing and collaborative environment that supports your growth every step of the way.Project Overview:We are on the lookout for a skilled Senior React Native Developer with robust experience in React Native and Expo, who is prepared to take on a technical leadership role in our mobile projects.In this role, you will be responsible for delivering comprehensive mobile applications, making architectural decisions, integrating with existing APIs, and guiding the team in creating high-quality solutions.

Join Us at Xebia!Xebia is a leading provider of innovative digital solutions, where expertise thrives. With nearly two decades of experience, we have delivered remarkable digital transformations for a diverse range of clients globally, including notable brands such as UPS, McLaren, Aviva, and Deloitte.Our commitment to excellence in Cloud-based solutions is demonstrated by our partnerships with major providers like Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP). We take pride in being the first AWS Premier Consulting Partner in Poland.Previously known as PGS Software, we became part of the Xebia Group in 2021, a collective of technologically driven companies dedicated to making a significant impact in the tech landscape.At Xebia, we prioritize innovation, a talented workforce, and technological superiority. Our reputation for thought leadership opens doors to work on groundbreaking global projects.Our mission is encapsulated in a single word: Authority. We strive for recognition as the premier authority in our field.What sets us apart? It’s our unwavering dedication to detail, passion for knowledge, and belief in individual potential. We focus on nurturing the growth of every team member. We invite you to visit us and experience our culture firsthand!We are eager to learn about you!Send us your resume to start a conversation and become part of the #Xebia team.Project Overview:The project involves developing a central control unit that integrates seamlessly with wireless room thermostats and actuators. Users will benefit from a straightforward interface, including a mobile app for remote control and monitoring, ensuring reliable communication between all components for optimal performance.Your Responsibilities:Design, develop, and maintain high-quality mobile applications using React Native for both iOS and Android platforms.Contribute to architectural decisions to ensure scalable, maintainable, and high-performance mobile solutions.Collaborate closely with product, design, and backend teams to transform requirements into technical implementations.Ensure high code quality through code reviews, testing, and adherence to best engineering practices.Support the development of a mobile application that allows monitoring and control of a connected system.

Flying Bisons is a renowned Digital Consulting & Delivery firm located in the vibrant city of Warsaw, Poland. Our purpose is to help clients unleash their digital potential with innovative solutions. We excel in discovering, defining, designing, and developing premier digital products that yield significant business outcomes, impacting millions globally.Our unique end-to-end approach empowers us to tackle every challenge with the assurance of delivering exceptional results. Our areas of expertise encompass Research, Digital Strategy, Branding, Content Creation (Written, Photos, Videos), Product Design, Web & Mobile Development, Data Analytics, and Artificial Intelligence.As part of our dynamic team of 120 professionals, you'll have the opportunity to co-create groundbreaking products and exhilarating experiences for prestigious brands like Mercedes AMG, IKEA, KFC, eObuwie, Żabka, Sanofi, and Zain, as well as innovative startups such as Booksy, Nethone, Telemedi, and DevSkiller.We are currently building a selected network of skilled freelance Graphic Designers available for both current and upcoming projects.When you express your interest in joining our freelancer network, we will assess your application and maintain your information on file. You may not be contacted immediately, but when a project aligns with your skill set, you will receive an invitation to participate, allowing you to choose based on your availability.If you are eager to join our talent pool, please submit your CV. We will reach out as soon as a relevant opportunity arises.Are you a self-motivated and reliable professional? If so, we look forward to your application!

Who are we?Flying Bisons is a prominent Digital Consulting & Delivery firm located in Warsaw, Poland. Our mission is to empower our clients to Unleash Digital Potential™. We excel in discovering, defining, designing, and developing top-tier digital products that yield significant business outcomes, enhancing digital experiences for countless users globally.What sets us apart is our comprehensive end-to-end process, enabling us to tackle each challenge with confidence and deliver outstanding results. Our areas of expertise encompass Research, Digital Strategy, Branding, Content Creation (Written, Photography, Videography), Product Design, Web & Mobile Development, Data Analytics, and AI.Join our dynamic team of 120 professionals as we co-create industry-defining products and exhilarating experiences for leading brands(such as Mercedes AMG, IKEA, KFC, eObuwie, Żabka, Sanofi, Zain) and innovative startups like Booksy, Nethone, Telemedi, and DevSkiller!We're building an exclusive network of skilled freelance IT Project Managers to support our current and upcoming projects.When you apply to join our freelancer network, your qualifications will be assessed, and you will be kept in our records. You may not be contacted immediately; however, when a project aligns with your expertise, we will reach out for your availability and interest.If you're eager to be a part of our talent pool, please submit your CV along with your relevant experience and areas of specialization. While we cannot guarantee immediate project assignments, we assure you that we will reach out when the right opportunity arises.Contract type: B2BSalary range: 60-120 PLN net/hour (rate determined by project type and your expertise)Scope of tasks:Manage and oversee various digital projects throughout their entire lifecycle, ensuring a balance between discovery, design, and technical implementation phases.Act as the primary liaison for clients and internal teams across departments, including Analytics, Research, Strategy, Content Writing, Design, and Development.Ensure project success by monitoring timelines, budgets, communication flow, and task completion, utilizing project management tools and established routines.Lead adaptable, evolving project teams to achieve exceptional results.

We are seeking a talented and motivated Staff Software Engineer specializing in React Native to join our dynamic team at Box, Inc. In this role, you will be instrumental in developing innovative mobile applications that enhance user experience and drive engagement.Your responsibilities will include collaborating with cross-functional teams to define and design new features, maintaining existing applications, and ensuring code quality through best practices and testing.

Join HelloFresh in Warsaw as a Senior React Native Engineer within our innovative HelloTech team, a dynamic global technology hub comprised of over 1,000 skilled professionals. We create outstanding digital products that enhance the entire food experience for our customers. From meal kits to ready-to-eat options and specialty items like pet food and premium meats & seafood, HelloTech is dedicated to delivering customized food solutions to millions of consumers every month. Our subscription-based, direct-to-consumer model is powered by technology at every level, from our user-friendly applications and personalized services to advanced pricing strategies, precise forecasting, and supply chain optimization. Each of our brands operates independently to meet unique customer needs, yet they are all supported by shared platforms, data, and operational excellence fostered by HelloTech. At HelloTech, we thrive in autonomous, cross-functional alliances, each responsible for specific products or domains from start to finish. By collaborating with our Warsaw office, you will contribute to the development of scalable, data-driven products that enhance customer engagement across our diverse markets. You will work with a cutting-edge tech stack and international teams to continuously improve how users discover, order, and delight in HelloFresh’s offerings.

Join HelloFresh in Warsaw and become a part of HelloTech, our global technology backbone that is home to over 1,000 professionals dedicated to developing the digital products that enhance our comprehensive food experience. Whether it's meal kits, ready-to-eat meals, or specialty offerings like pet food and premium meat & seafood, HelloTech builds the platforms that deliver customized food solutions to millions of customers each month. Our subscription-based, direct-to-consumer model is driven by technology at every stage, from user-friendly apps and personalization algorithms to pricing strategies, forecasting, supply chain efficiency, and initiatives aimed at minimizing food waste. While our brands operate independently to cater to unique customer requirements, they are unified by shared platforms, data, and operational excellence facilitated by HelloTech. HelloTech thrives on autonomous, cross-functional alliances, each responsible for a specific product or domain end-to-end. By collaborating with our Warsaw team, you will help design scalable, data-driven products utilized across various markets, employing a modern tech stack and international collaboration to constantly enhance how individuals discover, order, and enjoy HelloFresh’s offerings now and in the future.

At Veeam, the global leader in data resilience, we empower businesses to manage their data seamlessly, anytime, and anywhere. Our comprehensive solutions encompass data backup, recovery, portability, security, and intelligence. Headquartered in Seattle, we proudly protect over 550,000 customers worldwide, ensuring their operations run smoothly. Join us as we innovate and make a meaningful impact for some of the largest brands globally. Step into the future of data resilience with us!About the RoleAs a JavaScript Developer (React), you will collaborate with our team to develop and maintain the frontend for Veeam's products, including Veeam Backup & Replication and Veeam ONE.What You’ll DoCreate and enhance UI components (dialogs, wizards, forms) using React.Expand functionality of existing components.Identify and resolve issues related to memory leaks and optimize performance.Engage with a micro-frontend architecture.Technologies You’ll Work WithTypeScript, React 19, RxJS.Vite.Styled-components, Veeam UiKit.Jest, Playwright.Auto-generated REST clients (OpenAPI/Swagger).

Intellectsoft is a leading software development firm that has been delivering cutting-edge solutions since 2007. With a global presence across North America, Latin America, the Nordic region, the UK, and Europe, we specialize in various industries including Fintech, Healthcare, EdTech, Construction, and Hospitality. Our partnerships with startups, mid-sized businesses, and Fortune 500 companies enable us to drive innovation and scalability. Our impressive client roster features industry giants such as Jaguar Motors, Universal Pictures, and Harley-Davidson, where our dedicated teams make a tangible impact every day. Discover more about us at www.intellectsoft.net.About the Role: Join us as we develop an AI-powered platform that empowers businesses to enhance decision-making and operational efficiency. This platform leverages advanced analytics and machine learning to process vast data sets, delivering valuable insights and predictions. It is particularly impactful in sectors like healthcare, optimizing processes and customer experiences while fostering innovation. The platform seamlessly integrates with existing systems, enabling teams to make rapid, data-driven decisions.

Aura is dedicated to fostering a safer online environment. With our suite of innovative digital safety products, we empower millions of users to protect themselves from emerging digital threats. Our dynamic team of over 400 professionals is driven by experienced leaders who have successfully scaled startups into billion-dollar enterprises.Join us on this journey to make the internet a safer place! About the Role:As a pivotal member of Aura's Direct-to-Consumer (D2C) Platform Experience & Growth team, you will play a key role in enhancing the core user experience. In your capacity as a Senior Software Engineer, you will leverage your expertise in React Native to develop engaging onboarding processes, dashboards, and security-focused features. This high-impact position entails collaboration with a Product Manager, where you will act as the technical authority, overseeing architecture, implementation, testing, and deployment. Your contributions will focus on creating configurable and scalable features that support rapid experimentation and informed decision-making, all while adhering to best practices that prioritize performance and stability.

At Code & Pepper, we empower clients in industries where mediocrity is not an option. We assist them in scaling teams and developing innovative products.Currently, we are building the Special Procedures Settlement System (RPS) - a platform for the Ministry of Finance that enables electronic monitoring and settlement of customs procedures. This enterprise-level system is developed using .NET 8 / ASP.NET Core, React, and PostgreSQL, and integrates with various external systems.

Join a dynamic team at Quorso as a Full-Stack Developer! Founded in 2016, Quorso is revolutionizing retail management with its innovative SaaS solutions. Our Agile Stores technology transforms vast amounts of retail data into actionable insights for store managers, enhancing operational efficiency and sales performance.As a Full-Stack Developer, you will play a crucial role in expanding our platform's capabilities. You'll be involved in creating data transformation pipelines and enhancing our core application, which includes developing APIs, user interfaces, and the underlying infrastructure for core insights.Your Role:You will collaborate with a talented team of engineers to introduce new functionalities into our platform. This role presents an exciting opportunity to contribute to a system that could evolve into a comprehensive task management tool for users and managers alike.Key Responsibilities:Engage in solving business challenges by designing effective user workflows.Contribute to technical design discussions for project scope.Provide constructive feedback during visual design review sessions.Assist in detailed technical implementation planning.Develop features end-to-end, encompassing both backend and frontend using Ruby on Rails, React, and Redux frameworks, with a balanced focus on both (50/50).Essential Qualifications:Proven experience in proactive problem-solving and technical implementation planning.Background in providing feedback for visual designs and working collaboratively in technical environments.Hands-on experience with Ruby on Rails, React, and Redux is essential.

Join our team at Intellectsoft as a Senior Full Stack Developer! In this role, you will work with an innovative AI-powered platform designed to enhance business decision-making and efficiency. Our platform leverages cutting-edge analytics and machine learning to process extensive datasets, offering actionable insights and forecasts that are invaluable across diverse sectors such as healthcare. By seamlessly integrating with existing infrastructures, we empower teams to make swift, data-driven choices, fostering groundbreaking solutions.

Code & Pepper works with clients in FinTech, HealthTech, and AI, taking on projects that demand accuracy and dependable results. The team assists organizations in scaling their operations, refining platforms, and launching new features when deadlines are tight. Role overview The Senior Fullstack Developer (Ruby / React) will contribute to a SaaS platform designed to improve pharmacy operations. This platform addresses everyday challenges such as long customer lines, repeated phone inquiries, manual administrative work, and prescriptions left uncollected. What you will work on Enhancing features that allow pharmacies to process online payments and send automated prescription reminders Building tools that help pharmacies connect with patients more effectively Supporting the platform’s goal of increasing pharmacy sales through a unified, user-friendly application Location This is a remote position (praca zdalna).