React Native Engineer

🏢 Summary: The role involves developing and maintaining high-quality React Native mobile applications for iOS and Android, supporting major gaming brands. The position focuses on delivering performant, user-friendly apps and contributing to new product launches and market expansions. It requires strong mobile expertise and collaboration within an international team. 🗂️ Requirements: Minimum 5 years of mobile development experience for Android and iOS, Strong experience with React Native, Proficiency in TypeScript, Strong understanding of core JavaScript concepts, Experience with cloud integrations, Experience working with REST APIs, Experience with GraphQL, Experience with Firebase, Experience with Datadog, Experience with version control systems 📃 Skills: React, ReactNative, TypeScript, JavaScript, REST, GraphQL, Firebase, Datadog, Git, Cloud 🏢 Description: ABOUT THE ROLE Join our team of skilled developers working on mobile applications for top LeoVegas brands like BetMGM, BetUK, and Expekt. With offices across Europe in Sweden, Poland, Spain, and the UK, we create high-performance and innovative solutions for both iOS and Android platforms. We’re looking for a React Native Developer with a mobile-first mindset and an understanding of native development to help drive our projects forward. We are expanding our React Native team in Poland and are searching for talented engineers who are passionate about mobile development and eager to build innovative gaming experiences. YOU WILL BE RESPONSIBLE FOR: Develop and maintain high-quality React native applications for both iOS and Android platforms Ensure a smooth, engaging, and intuitive user experience Work on apps for LeoVegas brands such as BetMGM, BetUK, and Expekt Improve and enhance applications with a strong product focus Contribute to launching new brands and expanding into new markets OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING: ESSENTIAL SKILLS At least 5 years of experience working as a mobile developer for Android and iOS Strong experience with React Native Proficiency in TypeScript Good understanding of core JavaScript principles and concepts Experience with cloud integrations Experience with Rest API, Datadog, GraphQL, Firebase and version control NICE TO HAVES Experience with Kotlin, Objective-C or Swift Experience writing Unit Tests Hands-on experience optimizing mobile performance Experience with CI/CD integrations WHO WE ARE At the core of LeoVegas Group is Team Leo. Our culture is our foundation and is what enables us to innovate, build, and lead as we trailblaze our way through the iGaming industry. We’re a team of over 1800 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 16 offices worldwide. What we offer: you can work in a hybrid model , we would like you to show up in our Warsaw office three times a week , the rest of the days of the week are up to you, we work in European office hours, ​​ 800 PLN monthly for benefits (we have a platform with sport cards and different options for private healthcare), welcome package, no dress code, international teams, 💻 Equipment: MacBook Pro 16"/14'' + smartphone (iPhone 15 or Samsung Galaxy S24 - it’s your choice). Our office: located in the centre of Warsaw (Królewska 16) bike parking 🚲 chillout zones (we have a billiard table too! 🎱) free snacks 🥜 company breakfast every Monday 🥪 Our recruitment process: 45-minute phone/Zoom call with our recruiter 90-minutes technical interview max. 40 min online personality and logic test (not live) 1-hour cultural fit interview **As our company working language is English, we’d like to see your CV in English please** More about us: Careers site: www.leovegasgroup.com/careers LinkedIn: https://www.linkedin.com/company/leovegasgroup/ Instagram: www.instagram.com/lifeatleo/

🏢 Summary: The offer is for a React Native Developer to build and maintain high-performance mobile applications for iOS and Android within leading gaming brands. The role focuses on delivering scalable, user-centric solutions, enhancing existing apps, and supporting new market launches. It requires strong cross-platform mobile expertise and collaboration in an agile environment. 🗂️ Requirements: Minimum 5 years experience in mobile development for Android and iOS, Strong commercial experience with React Native, Proficiency in TypeScript, Strong knowledge of core JavaScript principles, Experience with cloud integrations, Experience working with REST APIs, Experience with GraphQL, Experience with Firebase, Experience with Datadog, Experience with version control systems 📃 Skills: ReactNative, TypeScript, JavaScript, REST, GraphQL, Firebase, Datadog, Git, Android, iOS, Cloud 🏢 Description: ABOUT THE ROLE Join our team of skilled developers working on mobile applications for top LeoVegas brands like BetMGM, BetUK, and Expekt. With offices across Europe in Sweden, Poland, Spain, and the UK, we create high-performance and innovative solutions for both iOS and Android platforms. We’re looking for a React Native Developer with a mobile-first mindset and an understanding of native development to help drive our projects forward. We are expanding our React Native team in Poland and are searching for talented engineers who are passionate about mobile development and eager to build innovative gaming experiences. YOU WILL BE RESPONSIBLE FOR: Develop and maintain high-quality React native applications for both iOS and Android platforms Ensure a smooth, engaging, and intuitive user experience Work on apps for LeoVegas brands such as BetMGM, BetUK, and Expekt Improve and enhance applications with a strong product focus Contribute to launching new brands and expanding into new markets OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING: ESSENTIAL SKILLS At least 5 years of experience working as a mobile developer for Android and iOS Strong experience with React Native Proficiency in TypeScript Good understanding of core JavaScript principles and concepts Experience with cloud integrations Experience with Rest API, Datadog, GraphQL, Firebase and version control NICE TO HAVES Experience with Kotlin, Objective-C or Swift Experience writing Unit Tests Hands-on experience optimizing mobile performance Experience with CI/CD integrations WHO WE ARE At the core of LeoVegas Group is Team Leo. Our culture is our foundation and is what enables us to innovate, build, and lead as we trailblaze our way through the iGaming industry. We’re a team of over 1800 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 16 offices worldwide. What we offer: you can work in a hybrid model , we would like you to show up in our Warsaw office three times a week , the rest of the days of the week are up to you, we work in European office hours, ​​ 800 PLN monthly for benefits (we have a platform with sport cards and different options for private healthcare), welcome package, no dress code, international teams, 💻 Equipment: MacBook Pro 16"/14'' + smartphone (iPhone 15 or Samsung Galaxy S24 - it’s your choice). Our office: located in the centre of Warsaw (Królewska 16) bike parking 🚲 chillout zones (we have a billiard table too! 🎱) free snacks 🥜 company breakfast every Monday 🥪 Our recruitment process: 45-minute phone/Zoom call with our recruiter 90-minutes technical interview max. 40 min online personality and logic test (not live) 1-hour cultural fit interview **As our company working language is English, we’d like to see your CV in English please** More about us: Careers site: www.leovegasgroup.com/careers LinkedIn: https://www.linkedin.com/company/leovegasgroup/ Instagram: www.instagram.com/lifeatleo/

🏢 Summary: Senior React Native Developer role focused on delivering end-to-end mobile applications using React Native and Expo, with responsibility for architecture, API integration, and technical leadership. The position involves driving technical decisions, ensuring code quality, and collaborating with clients and teams to build scalable enterprise mobile solutions. 🗂️ Requirements: Advanced English proficiency, Proven experience developing mobile applications with React Native, Practical experience with Expo, Experience integrating REST or GraphQL APIs, Experience in technical leadership or mentoring, Experience with debugging and monitoring tools, Understanding of scalability and code quality principles, Ability to translate business requirements into technical solutions 📃 Skills: React, ReactNative, Expo, REST, GraphQL, CI/CD, Monitoring, Logging, APIs, Mobile 🏢 Description: 🌍 Hello World! We are The Codest -  International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams. But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step. 💡 Project Description: We’re seeking a seasoned Senior React Native Developer with strong experience in React Native and Expo, who is ready to step into a technical leadership role on mobile projects. In this position, you’ll be responsible for delivering end-to-end mobile applications, shaping architectural decisions, integrating with existing APIs, and supporting the team in building high-quality solutions. 📈 Your Responsibilities : Build and mantain mobile applications using React Native and Expo Integrate mobile frontends with existing APIs and backend services Partner with internal teams and clients to ensure solutions align with business objectives Drive technical planning, analysis, and execution across development work Support the team through code reviews and knowledge sharing, raising engineering quality Collaborate on delivering scalable, maintainable, and observable enterprise solutions Serve as the primary contact for technical topics within the project 🔑 Key Requirements: Advanced English in speaking and writing (you will be working in an international team) Solid track record of developing mobile apps with React Native Practical experience working with Expo Strong background in integrating with REST and/or GraphQL APIs Experience guiding others or contributing in a mentoring / technical leadership capacity Familiarity with debugging and monitoring tools Good understanding of scalability, maintainability, and overall code quality Ability to work with clients and translate business requirements into technical solutions ➕ Nice to have: Background in building or contributing to enterprise-scale applications Familiarity with setting up or working with mobile CI/CD processes Experience using observability solutions, including logging and monitoring tools 📜 Our Promise (what you can expect from us): 17-22k PLN monthly on B2B contract 100% remote work (but we have offices in Krakow and Warsaw and we’re happy to meet there from time to time 😉) 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc. Our B2B contract contains provisions that allow you to obtain IP BOX support Integration events, education opportunities and much more… A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them! 📌 Recruitment process: 30 minute screening call online with our recruiter 1h technical call with our developer 30 minute conversation with the team leader on client side 30 minute English language check Final 1h technical call Offer Questions, insights? Feel free to reach out to our recruiting team: ewa.szczodrak@thecodest.co In the meantime, feel free to visit our website where you can find key facts about us.

🏢 Summary: Hybrid React Developer role focused on building responsive, high-performance user interfaces and rapidly prototyping new features with strong emphasis on UX. The position involves close collaboration with product and design teams and integration of RESTful APIs to deliver seamless end-to-end functionality. Requires regular on-site presence in Kraków once per week. 🗂️ Requirements: Advanced English (min. B2), Experience with React.js development, Ability to build responsive, high-performance user interfaces, Experience integrating RESTful APIs and backend services, Proficiency in modern CSS and JavaScript best practices, Experience using design tools (Figma or Sketch), Ability to work from Kraków office once per week 📃 Skills: React, JavaScript, CSS, REST, API, Figma, Sketch, UX 🏢 Description: 🌍 Hello World! We are The Codest -  International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams. But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step. We are looking for an experienced React Developer . Please note: this is a hybrid position, you will be expected to come into the office 1 day per week (the office is located in Kraków). 📈 Your Responsibilities : Build responsive user interfaces with React.js Rapidly prototype new features with a focus on UX design Collaborate with product and design teams to refine user experience Integrate APIs and backend services Apply modern CSS and JavaScript best practices Utilize design tools for wireframes and mockups 🔑 Key Requirements: Advanced English in speaking and writing Develop and maintain responsive, high-performance user interfaces using React.js Rapidly prototype new features and iterate based on user feedback, with a strong focus on UX quality Work closely with product managers and designers to translate requirements into intuitive user experiences Integrate RESTful APIs and backend services to deliver seamless end-to-end functionality Write clean, maintainable code following modern CSS and JavaScript best practices Use design tools (e.g., Figma, Sketch) to create and review wireframes and mockups before implementation Excellent communication skills in English (min. B2 level) 1x a week working from the office in Krakow 📜 Our Promise (what you can expect from us): 18-22k PLN on B2B Hybrid work (1x per week from the office in Kraków) 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc. Our B2B contract contains provisions that allow you to obtain IP BOX support Integration events, education opportunities and much more… A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them! 📌 Recruitment process: 30 minute screening call online with our recruiter - Justyna 1 hour screening technical interview 1 hour call with the client Offer Questions, insights? Feel free to reach out to our recruiting team: justyna.pazdalska@thecodest.co In the meantime, feel free to visit our website where you can find key facts about us.

🏢 Summary: Senior Development Engineer role focused on building and evolving the foundational mobile (React Native) and web platform, including architecture, shared frameworks, CI/CD, and release infrastructure used by multiple product teams. The position involves owning platform standards, API/middleware design, and enabling scalable, high-quality cross-platform development. You will also mentor engineers and drive best practices across performance, observability, and accessibility. 🗂️ Requirements: BS in Computer Science or equivalent experience, 8+ years of experience building scalable products, Strong proficiency in TypeScript, Proficiency in at least one of: Go, Java, Kotlin, Deep knowledge of React Native (performance, native bridge, OS differences), Experience building platforms, shared frameworks, and CI/CD pipelines from scratch, Experience designing API/data layer between backend and client apps (e.g., GraphQL, BFF), Hands-on experience with full mobile and web release lifecycle and app store delivery, Experience with design systems and shared component libraries, Understanding of cross-platform architectures (native, PWA) 📃 Skills: TypeScript, Go, Java, Kotlin, PHP, React, ReactNative, GraphQL, CI/CD, BFF, PWA, API 🏢 Description: Job Description: At Remitly, we believe everyone deserves the freedom to access, move, and manage their money wherever life takes them. Since 2011, we've tirelessly delivered on our promise to customers sending money globally, providing secure, simple, and reliable ways to manage their money, ensuring true peace of mind. Whether it's supporting loved ones back home, growing a business across continents, or pursuing new opportunities abroad, we're not just here to move money— we're here to move our global customers forward. We're looking for builders, reimaginers, and global thinkers who want to work at the intersection of technology, trust, and transformation. If that's you and you're ready to do the most meaningful work of your career—we invite you to join over 2,800 passionate Remitlians worldwide who are united by our vision to transform lives with trusted financial services that transcend borders. About the Role: App Platform Engineering builds and maintains the foundational mobile and web platform that all Remitly product teams build on top of. We own the architecture, shared frameworks, build and release infrastructure, design system, and developer tooling. These let product teams ship faster and with higher quality. This also eliminate the need for product teams to solve the same hard problems twice. As a senior development engineer you will report to senior engineering manager in Krakow and work with peer team in U.S. You Will: Own the architecture and evolution of our mobile (React Native) and web platform - decisions that 10+ product teams depend on Build and maintain CI/CD pipelines, app store delivery, feature flagging, and safe rollout infrastructure Design and maintain the API/middleware layer between backend services and client apps Lead the shared component library and design system in partnership with UX Take care of localisation engine Set and enforce standards for performance, observability, and accessibility Enable product teams through documentation, tooling, workshops, and architecture reviews Keep the team current on AI-assisted development, React Native advances, and cross-platform patterns Review cross-team contributions for consistency, performance, and maintainability Ensure compliance with industry standards and regulatory requirements Mentor junior engineers You'll bring: BS in Computer Science or equivalent experience, with 8+ years building products at scale. Proficiency in TypeScript (preferred) and at least one of Go, Java, or Kotlin. PHP familiarity is a bonus. Experience building platforms from the ground up - frameworks, shared tooling, quality gates, and CI/CD pipelines. You think in systems, not features. Deep React Native knowledge: performance constraints, native bridge, OS-level differences, and what breaks in production that never breaks in the simulator. Hands-on experience owning the full mobile and web release lifecycle (from pipeline design to safe app store delivery). Experience designing the data layer between backend services and client apps - GraphQL, BFF patterns, or similar API contracts that keep frontends decoupled. Exposure to design systems at scale — building components that product teams actually adopt, balancing flexibility with consistency. A track record of onboarding teams onto platforms you built — good docs, well-designed APIs, and making the right thing the easy thing. Informed opinions across the full client app spectrum, from full native to PWA, with clear thinking on where each approach wins and where it breaks down. #LI-hybrid Compensation Details The starting base salary range for this position is typically zł320,000 – zł360,000 per annum. In Poland, Remitly employees are shareholders in our Company and equity is part of our total compensation plan. Your recruiter can share more information about medical benefits offered, as well as other financial benefits and total compensation components offered with this role. Remitly Poland applies increased tax deductible costs (KUP) to remuneration earned by certain qualifying employees (to the extent an employee will be involved in the creation of the software as an "author") for the transfer of copyrights, in accordance with the relevant provisions of the Personal Income Tax Act. Our Benefits: Equity in the company – RSUs Employee Stock Purchase Plan (ESPP) 26 days paid holiday + additional company days off Royalties (KUP) Hybrid working model (we have the office in a Kraków City Centre) Commute allowance Health/Dental Coverage – LUX MED VIP for employee and family Life Insurance Travel Insurance Pluxee Lunch Card/Multisport Card Education Budget Mental Health program for employee Family planning program Employee Pension Plan (PPK) Our Connected Work Culture: Driving Innovation, Together At Remitly, we believe that true innovation sparks when we come together. Our Connected Work Culture fosters dynamic in-person collaboration, where ideas ignite and challenging problems find solutions faster. For corporate team members, we have an in-office expectation of at least 50% of the time monthly, typically achieved by coming in three days a week. This creates a consistent, meaningful overlap that supports team norms and business needs. Managers also have the flexibility to set higher expectations based on their team's specific needs. These intentional in-office moments are vital for deepening relationships, fueling creativity, and ensuring your impact is felt where it matters most. Remitly is an E-Verify Employer At Remitly, we are dedicated to ensuring that our workplace offers equal employment opportunities to all employees and candidates, in full compliance with applicable laws and regulations. Remitly is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

🏢 Summary: Hands-on Technical Lead role focused on architecting and scaling production React Native mobile applications used in real-time logistics operations. You will lead mobile development, ensure high performance and reliability in low-connectivity environments, and mentor a small engineering team. The position combines technical leadership with active coding and close collaboration with Product and Design. 🗂️ Requirements: 8+ years of software engineering experience, Strong mobile development background, 2+ years in Technical Lead or Team Lead role, Expertise in React Native, Proficiency in TypeScript, Understanding of native iOS integrations, Understanding of native Android integrations, Experience with RESTful APIs, Experience with real-time data integrations, Polish language proficiency (B2+), English language proficiency (B2+) 📃 Skills: React, ReactNative, TypeScript, iOS, Android, REST, APIs, CI/CD 🏢 Description: Ever wondered what powers the tech behind massive, real-time delivery networks? Our client is a fast-growing, US-based LogTech pioneer reshaping last-mile delivery. Their platform combines SaaS solutions with real-world logistics networks to optimize supply chain efficiency for global enterprise customers. Now, they are expanding their engineering presence in Kraków . About the Role This is a hands-on technical leadership role. You will own the architecture and development of React Native mobile apps used by drivers and operations teams. Since these apps are used on the move, your main goal will be to keep them fast, reliable, and stable—even with poor network connectivity. What you will do Design and scale the architecture of production React Native applications. Write clean code and deliver new features alongside the team. Mentor and guide a small team of mobile engineers. Set high standards for code quality, testing, security, and CI/CD pipelines. Work closely with Product and Design teams to build user-friendly mobile features. Requirements 8+ years of software engineering experience, with a heavy focus on mobile development. 2+ years of experience in a Technical Lead or Team Lead role. Strong expertise in React Native and TypeScript . Good understanding of native iOS and Android integrations. Experience working with RESTful APIs and real-time data integrations. Strong communication skills with Polish (B2+) and English (B2+) . If you are a hands-on leader ready to build reliable, real-world mobile tech, we want to hear from you. Send us your CV and let’s talk! 📞

🏢 Summary: Frontend Developer role focused on building modern web applications using React, TypeScript, and Next.js (App Router) in a clean, up-to-date monorepo environment. The position involves developing complex UI components, maintaining a shared design system, and implementing comprehensive unit and E2E testing. The role emphasizes high code quality, collaboration, and use of modern tools including AI-assisted development. 🗂️ Requirements: Strong JavaScript skills, Strong TypeScript skills, Commercial or strong practical experience with React, Good knowledge of HTML, Good knowledge of CSS, Experience with responsive design, Experience with REST APIs, Experience with GraphQL APIs, Experience writing unit tests, Experience with React Testing Library or similar, Hands-on experience with E2E testing, Experience with Playwright or similar E2E tool, Proficiency with Git, Ability to work independently, Communicative English 📃 Skills: JavaScript, TypeScript, React, Next.js, HTML, CSS, Tailwind, Radix, shadcn, Storybook, Playwright, Vitest, Jest, ReactTestingLibrary, REST, GraphQL, Git, Turborepo, Yarn, TanStack, react-hook-form, Auth0, i18n, Claude, Cursor 🏢 Description: About us We build modern, high-quality web applications for the mobility sector using a clean TypeScript/React/Next.js monorepo. We keep our stack up to date and work with the latest stable versions of Next.js (App Router), React 19+, Tailwind, Playwright, GraphQL, and Storybook for component development and documentation. We also actively integrate AI tools into our daily workflow. You won’t have to deal with legacy code, outdated patterns, or old dependencies. Our team (8-10 people) maintains high standards through regular code reviews, 1:1 mentoring, and continuous refactoring and experimentation with new tools and practices. The frontend team is based in Poland, while the rest of the product team is in Sweden -so you’ll work closely with a local FE team while collaborating across the wider organisation. We’re looking for a proactive frontend developer with hands-on experience in React, who is comfortable writing tests (including E2E), and can work independently in a modern stack -while continuing to grow in a supportive, high-standard environment. 👉 You don’t need to tick every single box -if most of this sounds like you, we’d love to talk. Day-to-day responsibilities • Build new features and complex UI components using React / TypeScript / Next.js (App Router) • Develop and improve components within our shared design system (Tailwind + Radix / shadcn/ui), with documentation in Storybook • Write and maintain E2E tests in Playwright (an important part of the role) • Write unit and integration tests (Vitest + React Testing Library) • Work with REST / GraphQL APIs, debug issues across the stack, and participate in code reviews • Use AI coding assistants (Claude, Cursor, etc.) to speed up development and improve code quality Must-have requirements • Solid JavaScript / TypeScript skills -you write clean, type-safe code • Practical experience with React (commercial or strong personal projects) • Good understanding of HTML/CSS and responsive design • Experience working with REST and/or GraphQL APIs • Experience writing unit tests (e.g. Vitest / Jest + React Testing Library) • Some hands-on experience with E2E testing (Playwright or similar tools like Cypress) • Comfortable working with Git (branches, PRs, rebasing, code reviews) • Communicative English (written and spoken) • Ability to deliver working features independently Nice-to-have (not required, but a plus) • Experience with Next.js App Router in real-world projects • Monorepo experience (Turborepo, Yarn workspaces, etc.) • Familiarity with TanStack Router, react-hook-form, Auth0, or i18n solutions • Experience working with design systems or component libraries (Radix, shadcn/ui, Headless UI) • Storybook experience • Exposure to AI-assisted coding in real workflows What we offer • Work with a modern, up-to-date stack -no legacy code, no outdated libraries • 1:1 mentoring and thorough code reviews from experienced developers • A modern environment with room to experiment (including strong AI usage) • Real ownership over features and product areas • No crunch, flexible working hours, fully remote setup • Clear growth path -from feature/E2E contributor to broader frontend ownership

🏢 Summary: Mid-level Full-stack Developer role focused on building and maintaining web and mobile applications using React and .NET technologies. The position involves developing scalable backend services, microservices, and SEO-friendly frontends integrated with CMS, within a multinational Agile environment. The role combines frontend, backend, cloud, and DevOps responsibilities with regular team collaboration. 🗂️ Requirements: 2–4 years experience as FullStack Developer, .NET 8/10 proficiency, C# proficiency, Strong React knowledge, JavaScript proficiency, TypeScript proficiency, HTML5 knowledge, CSS3 knowledge, Experience with RESTful APIs, Experience with Git, Experience with Microsoft Azure (Functions, Durable Functions, CosmosDB, ServiceBus, Application Insights), Experience with CI/CD pipelines, Experience with Agile methodologies, Communicative English (B2+) 📃 Skills: .NET, C#, React, JavaScript, TypeScript, HTML5, CSS3, REST, Git, Azure, Functions, CosmosDB, ServiceBus, ApplicationInsights, CI/CD, ReactNative, Expo, Sanity, GROQ, Redux, RxJS, Tanstack, Sentry, Firebase, Analytics 🏢 Description: Join Our Team as a Full-stack Developer (React, C#)! We are seeking a talented Mid FullStack Developer proficient in .NET and React to join our team. As part of our company culture, we value collaboration and regular in-person interactions. Our team meets every two months in our Poznań office for informal gatherings to connect, share ideas, and strengthen teamwork in a relaxed setting. You will work in multinational environment and will be responsible for designing and implementing software solutions, utilizing both front-end and back-end technologies. This role requires strong problem-solving skills, excellent communication abilities, and a passion for delivering high-quality code. Ready to take the next step in your career? Apply now and join us! Key Responsibilities: • Design and develop SEO-friendly web application, based on React and TypeScript and integrated with Sanity CMS. • Contributing to a mobile application using React Native, TypeScript and Expo . • Build and maintain microservices to enhance the web experience, including features like roadside assistance, car repair bookings, and membership management. • Develop robust and scalable backend systems using .NET 8/10, Azure ServiceBus, Functions, CosmosDB and more. • Utilize Sentry for error monitoring and Google Analytics/Firebase to track user behaviour and optimize performance. Requirements : Proven experience (2-4 years) as a FullStack Developer Proficiency in .NET (preferably .NET 8/10), C# Strong understanding of front-end technologies, including React, JavaScript, TypeScript, HTML5, and CSS3 Practical knowledge of clean-code principles and patterns, drive to write clean, testable and maintainable code Experience with RESTful APIs and Web Services Knowledge of version control systems, such as Git Excellent problem-solving and analytical skills Familiarity with Microsoft Azure platform (Functions and Durable Functions, CosmosDb, ServiceBus, Application Insights) Experience with DevOps approach and CI/CD pipelines Strong communication and interpersonal skills, communicative English (B2+) Experience with Agile development methodologies Nice to have: Experience in working with Sanity CMS and GROQ query language (or any other headless CMS) Familiarity with Figma or similar tools At least basic knowledge about Server Side Rendering and libraries like: Redux, RxJS, Tanstack Experience in working with mobile apps and practical knowledge of React Native, Expo, Expo Application Services Knowledge of microservices architecture and software integration patterns We offer: Conference/workshop budget of approximately 10000 PLN!- the budget renews every year and can be used for conferences, workshops, training programs, certifications, studies, or other development initiatives. "Fabresikowe": one-time 1000 PLN bonus to create your work space more comfortable and more tailored to your needs! Relaxing office massages In-house trainings Team events Frequent company events Free breakfast every day Free beverages, fresh fruit, snacks Chill out room English and Norwegian classes

🏢 Summary: Senior React Native Engineer role focused on building and shipping cross-platform mobile applications using React Native and Expo, alongside developing web apps in ReactJS and APIs in Node.js. The position involves full ownership of the feature lifecycle, from architecture and implementation to CI/CD and production monitoring, using TypeScript and AI-assisted development tools. Work is delivered in an Agile, product-centric environment with emphasis on quality, performance, and collaboration. 🗂️ Requirements: 4+ years of professional software engineering experience, Experience developing production software, Experience in Agile or team-based development environments, Proficiency in JavaScript, Proficiency in Node.js, Proficiency in ReactJS, Proficiency in React Native, Experience with REST APIs and service-based architectures, Experience with databases and data persistence concepts, Ability to follow established architecture and development standards, Strong problem-solving and troubleshooting skills, Ability to collaborate effectively within an engineering team, Good communication skills, Bachelor’s degree in Computer Science, Engineering, or related field or equivalent practical experience, Upper-intermediate English level 📃 Skills: JavaScript, TypeScript, Node.js, ReactJS, React, ReactNative, Expo, REST, APIs, Databases, CI/CD, Claude, GitHubCopilot, Agile, Codility 🏢 Description: ID73490 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior React Native Engineer to build and ship cross-platform mobile apps using React Native and Expo while developing web applications in ReactJS and APIs in Node.js for a franchisee engineering team. You will own the engineering lifecycle for your features — architecture, implementation, testing, CI/CD, and production monitoring — writing clean TypeScript and actively using AI tools including Claude and GitHub Copilot as a development accelerator. The role follows Agile practices in a collaborative, product-centric engineering environment. What you will do Build and ship cross-platform mobile apps using React Native and Expo (iOS and Android); Develop web applications in ReactJS, sharing business rule libraries with mobile apps; Design, develop, and maintain APIs in NodeJS to support these applications; Use Claude or Github Copilot as a development accelerator, generating code scaffolding, writing and reviewing tests, creating documentation and prototyping solutions; Own the engineering lifecycle for your features: architecture, implementation, testing, CI/CD, and production monitoring; Write clean, well-tested TypeScript code; maintain high standards through code review and documentation; Optimize application performance for speed, responsiveness, memory, and offline capability; Debug, troubleshoot, and resolve software defects and production issues; Participate in Agile or product-centric delivery practices including sprint planning and retrospectives; Learn and apply new technologies, tools, and patterns to improve system quality and team effectiveness. Must haves Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience; 4+ years of professional software engineering experience focused on backend and cloud infrastructure; Strong experience with JavaScript , Node.js , and TypeScript ; Strong understanding of RESTful APIs , Microservices architecture, and event-driven systems; Experience working with databases, including PostgreSQL , and data persistence concepts; Hands-on experience with Microsoft Azure and Amazon Web Services (AWS) ; Deep experience with Infrastructure as Code using Terraform and CI/CD using Azure DevOps ; Experience with legacy platform migrations, ETL processes, and data hygiene; Experience developing secure, high-quality, and maintainable code following industry security best practices; Familiarity with Dynatrace and CloudWatch ; Upper-intermediate English level. The benefits of joining us Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

🏢 Summary: Project-based freelance role for a Mobile Developer focused on building and maintaining React Native applications for international clients in a fully remote setup. The position involves collaborating with cross-functional teams on scalable mobile solutions using a modern JavaScript/TypeScript ecosystem. Developers join fixed-term projects and work closely with in-house teams in an Agile environment. 🗂️ Requirements: 3+ years commercial experience with React Native mobile development, Experience with TypeScript, Experience with JavaScript, Experience publishing apps to Google Play, Experience publishing apps to Apple App Store, Experience with Xcode, Experience with Android Studio, Knowledge of RESTful APIs, Understanding of mobile app architecture, Experience working in Agile methodologies, English level B2+, Strong communication skills, Ability to work independently, Located in Europe 📃 Skills: React, ReactNative, TypeScript, JavaScript, Next.js, Nest.js, Node.js, PostgreSQL, Supabase, Xcode, AndroidStudio, REST, Agile 🏢 Description: Pay rate: 60 - 120 zł/h (depending on experience) Type of agreement: B2B contract Type of work: 100% remote Project-Based | Fixed-Term Collaboration At TeaCode, we’re expanding our network of trusted freelance developers for upcoming fixed-term, project-based collaborations. If you’re a Mobile Developer working with React Native on a daily basis looking for meaningful project-based engagement, we’d love to hear from you! You’ll be joining us for a specific project, working alongside our in-house team to deliver modern, scalable digital solutions for international clients. This is a great opportunity if you enjoy focused, time-boxed assignments and want to collaborate with a like-minded, fast-moving team. Our core tech stack: TypeScript Next.js React React Native Nest.js Node.js PostgreSQL Supabase Responsibilities Develop and maintain high-quality mobile applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and resolve bugs and performance bottlenecks. Requirements: 3 years of commercial experience in mobile app development using React Native and TypeScript/JavaScript Experience in releasing/publishing mobile apps on Google Play and Apple App Store Experience in working with Xcode and Android Studio Strong knowledge of JavaScript and TypeScript. Familiarity with RESTful APIs and mobile app architecture. Experience working in Agile methodologies English at min. B2+ level Good communication skills are a must Ability to work independently and manage freelance project timelines effectively. Located in Europe How we work We work as a team , with strong support from senior developers and tech leads As a Mid Developer, you’re expected to: take responsibility for your tasks and features ask questions and seek feedback when needed actively participate in discussions and refinements You’ll work directly with clients , so good communication really matters We care about building good products , not just completing tasks More about how we work with freelancers 👉 https://www.teacode.io/collaboration What we offer Flexible freelance engagement allowing autonomy over work schedule. Work with clients from all over the world Flexible working hours and 100% remote setup Development in AI tools and modern development workflows About us 50+ people on board Warsaw-based software house with a strong product mindset Friendly, supportive atmosphere - no corporate nonsense Recruitment process HR Interview (30 min): A conversation with our Head of HR to understand your experience, motivation, and expectations. Technical Interview (60 min): A meeting with one of our Developers where you’ll talk about: solving technical problems code quality and best practices how you approach tasks and challenges how you use AI tools in your daily work Decision: Usually within one week after the interview. Once you're in, you become part of our verified freelance pool – the TeaCode Collaborators. From there, we’ll match you with suitable projects based on current needs and timelines. Depends on the specific project: final Interview (30 min) When the project matching your skills and pay rate expectations appears, we will contact you. A conversation with our Delivery Manager of the project: Project fit detailed offer connected with engaging you in this specific project (rate, timeline, %FTE) confirming your availability