Mobile Developer Jobs

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Senior Service Reliability Engineer As a part of Sony Interactive Entertainment, the Gaming, Developer & Future Technology Group ( GDFT ) is leading the cloud gaming revolution, putting console-quality video games on any device, from TVs to consoles to mobile devices and beyond. Our Site Reliability Engineering team plays a significant role in delivering on the promise of a great cloud gaming experience to our customers. We do this by influencing design and operational decisions towards the overall stability of the gaming service. Our SREs focus on three main things: overall ownership of production, production code quality, and deployments. The successful candidate will be self-directed and able to participate in the way we make decisions at different levels. We expect our SREs to have opinions on the state of our service and provide critical feedback during different phases of the operational lifecycle. We are engaged throughout the software development lifecycle, ensuring operational readiness and stability. What you'll be doing: Taking a leadership role in ongoing improvements in Reliability and Scalability Work closely with SRE Management to define KPIs, processes and drive continuous improveme

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Role Summary In this role, you will lead the mechanical design of next-generation outdoor and Camera-Like devices. You will work on products exposed to extreme climates, long-term UV/heat aging, and waterproofing constraints—all while balancing aesthetics, reliability, and manufacturability. Your decisions directly shape products that ship globally and define UI’s leadership in the outdoor category. Responsibilities Drive mechanical architecture and enclosure development specifically for outdoor IP-rated devices, rugged housings, and battery-integrated systems. Validate product performance under extreme outdoor conditions (thermal cycling, UV exposure, waterproofing, vibration, salt spray). Lead DFM/DFT reviews with tooling and manufacturing partners, ensuring high-volume readiness and stable mass production. Collaborate with EE/RF teams to optimize layout, antenna placement, and thermal paths while maintaining sealing and structural integrity. Develop mounting solutions for diverse outdoor installation environments and ensure long-term mechanical reliability. Requirement 7+ years in designing outdoor, ruggedized, IP-rated devices (Outdoor AP, IP Camera, Surveillance, IoT Outdoor, Mobile Devices, Automotive Electronics, Outdoor Power, Rugged Laptop or equivalent). Strong hands-on experience with waterproof design (gasket, vent, o

TEGNA Inc. helps people thrive in their local communities by providing the trusted local news and services that matter most. With 64 television stations in 51 U.S. markets, TEGNA reaches more than 100 million people monthly across web, mobile apps, streaming, and linear television, while also maintaining a strong global presence in India with offices in Bangalore and Chennai that support technology, product, and business operations initiatives. Together, we are building a sustainable future for local news. TEGNA is seeking a skilled and detail-oriented Automation Engineer to join our dynamic engineering team. This role will focus on building and maintaining robust automated testing frameworks to ensure the reliability, scalability, and performance of our software products. The ideal candidate will have a strong background in software testing, automation frameworks, and modern QA practices, along with the ability to collaborate closely with developers, product managers, and other stakeholders to deliver high-quality software. What You’ll Do Design, develop, and maintain automated test frameworks and test suites for web and API testing. Execute manual testing activities, including test case design, test execution, and defect reporting. Collaborate with cross-functional teams to understand product requirements and create comprehensive test strategies and plans. Perform code reviews and provide feedback to ensure adherence to coding standards and automation best practices. Identify and prioritize opportunities for test automation, improving overall QA efficiency. Investigate and debug test failures, working closely with developers to resolve issues quickly. Analyze test results and communicate findings to stakeholders, providing actionable insights and recommendations. Support and mentor junior team members on automation best practices and testing methodologies. Continuously enhance testing processes, tools, and frameworks to improve test coverage and efficiency. What Y

About the Team OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. A majority of our users interact with our products in languages other than English, and our products must work seamlessly across languages, regions, and cultures. The Internationalization team builds the infrastructure that enables OpenAI products to ship globally by default. We develop the systems that power localization, international product launches, and high-quality global user experiences across all OpenAI products. About the Role As a Senior Software Engineer on the Internationalization team, you will build the systems that power localization and international product launches at OpenAI. You’ll work on the platform that manages product content, translation workflows, and localization infrastructure across our products. This role sits at the intersection of AI systems, developer platforms, and product infrastructure. In this role, you will Build and scale OpenAI’s localization, content, and experimentation platform used across OpenAI product teams, including open-source components: Develop AI-powered translation pipelines combined with human-in-the-loop review workflows. Design systems that reliably deliver localized product content across web and mobile apps. Build tools that enable linguists and localization teams to review and improve translations. Develop developer tooling that simplifies localization and internationalization workflows. Build and maintain internationalization libraries used across OpenAI products: Design systems that correctly handle numbers, currencies, dates, and pluralization across locales. Improve support for multilingual interfaces and right-to-left languages. Partner with product teams to improve the international readiness of new features. You might thrive in this role if you Have strong software engineering experience building backend or full-stack systems. Have familiarity with Java, React, MySQL, and cloud infrastructure p

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Software Engineer on the Core UI team, you'll take the Roblox App experience to the next level - making it intuitive, reliable, and a joy to use. Our team sits at the intersection of platform engineering and product innovations. You'll work on systems and surfaces used by every Roblox user and creator in every game session. If you care deeply about how software feels - not just how it works - this is the role for you. You Will: Design, build, and own end-to-end development of user-facing features and systems across mobile, desktop, VR, and consoles. Develop robust, extensible systems powering Roblox's core surfaces (Home, Avatar, Search, and more) used by hundreds of millions of users and creators.</l

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. About the Role: Ubiquiti Poland is looking for talented Senior UX/UI Designer with at least 5 years of professional experience designing user interfaces and experiences for web and mobile applications. You’ll collaborate with product, development, and design teams to craft intuitive, delightful, and impactful experiences across our product portfolio. Knowledge and Experience: 5+ years of experience designing user interfaces and experiences for digital products (web and mobile) Strong proficiency with Figma (or similar modern design tools) Solid understanding of user experience principles, interaction design, and visual design Ability to ideate and develop thoughtful, user-centered design sol

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Ubiquiti Prague R&D team is looking for UI/UX DESIGNER! Candidates should be prepared to work from our Prague office at least three times per week. Responsibilities: Actively participate in various projects and voice your ideas and solutions Maintain and create new design systems for Ubiquiti Inc. products Design high-quality, user-friendly interfaces for web and mobile Requirements: Expert level UX and UI design skill 3+ years of experience designing interfaces for web and mobile Experience with Figma Ability to innovate and develop out-of-the-box solutions to complex user interaction problems Strong knowledge of user experience principles, techniques, and patterns Fluent in Czech and English Nice to have: Interest in IT products & technologies Benefits: Competitive salary and 5 weeks of vacation per year Discretionary bonuses based on individual performance Flexible working hours, remote work, home office Access to all the latest Ubiquiti products and prototypes for home use and tests Top floor office near Andel with amazing view of Prague Kitchen packed with food, snacks & sodas, meal allowance A collective of developers who want to make the best product. Maximum effort to keep processes to a minimum, no complex reporting and similar habits If you would like to apply for this position

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Ubiquiti Prague R&D team is looking for experienced Embedded Firmware Engineer (Access). Candidates should be prepared to work from our Prague office at least two times per week. Responsibilities: Work as part of a global, cross-functional team of firmware, hardware, and product engineers to develop cutting-edge access control products and technologies Design, implement, and maintain embedded firmware for current and next-generation access devices (readers, hubs, controllers) Enhance and optimize existing firmware for performance, stability, and security Participate in code reviews to ensure adherence to best practices and maintain high code quality standards Collaborate closely with BSP, Hardware, Backend, Mobile, and Product Assurance (PA) teams throughout the product development lifecycle Diagnose, troubleshoot, and perform root-cause analysis of firmware and system-level issues Support manufacturing and production validation by resolving firmware-related issues and assisting with firmware update pipelines Requirement (Must-Haves): 3+ years embedded firmware development experience with C Good knowledge of network protocols (TCP/IP, HTTP, Websocket, TLS/SSL) Experience with microcontrollers, SoCs, embedded Linux and RTOS Experience with access control systems (e.g., card readers, NFC, mobile unlocking) Knowledge of Git vers

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Ubiquiti Pilsen R&D team is looking for UI/UX DESIGNER! Responsibilities: Actively participate in various projects and voice your ideas and solutions Maintain and create new design systems for Ubiquiti Inc. products Design high-quality, user-friendly interfaces for web and mobile Requirements: Expert level UX and UI design skill 3+ years of experience designing interfaces for web and mobile Experience with Figma Ability to innovate and develop out-of-the-box solutions to complex user interaction problems Strong knowledge of user experience principles, techniques, and patterns Fluent in Czech and English Nice to have: Interest in IT products & technologies Benefits: Kitchen packed with food, snacks & sodas, meal allowance Flexible working hours Informal startup atmosphere filled with excitement Team building activities Generous budget to select your work station according to your preferences Competitive salary and 5 weeks of vacation per year Discretionary bonuses based on individual performance The newest web technologies, experimenting with the newest network HW Comfortable office in the center of Pilsen with good transport accessibility If you would like to apply for this position, please include a link or file showcasing your work or portfolio.

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Responsibilities: Reviewing and analyzing system specifications Reporting and documenting technical issues Analyzing community reports and reproducing reported bugs Support developers with bug reproducing, retesting bugfixes, testing new features Search for possible improvements Communication with development teams Monitoring of issues from the Ubiquiti community forum Knowledge and experience Must have: 2+ years of experience testing modern Web and Mobile applications Experience with AI tools - Claude, Codex, etc. Strong computer network knowledge (TCP/IP, Internet, WiFi, VLAN, Firewall, VPN, etc.) Responsibility, accuracy, focus on detail Analytical mind and problem-solving skills Fluent in English (daily basis in written form) and Czech Base knowledge of Unix/Linux (shell commands, ssh) Experience with Jira and Confluence Nice to have: Experience in performance testing Experience in programming Bash scripting Benefits: Kitchen packed with food, snacks & sodas, meal allowance Flexible working hours Informal startup atmosphere filled with excitement Team building activities Generous budget to select your work station according to your preferences Competitive salary and 5 weeks of vacation per year Discretionary bonuses based on individual performance The newest web technologies, experimenting wit

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Responsibilities Design, develop, and debug real-time embedded firmware for IoT systems, including gateways, lighting control, and environmental monitoring and control solutions. Maintain, optimize, and improve firmware for existing RTOS-based devices. Collaborate cross-functionally with BSP, HW, ID, Backend, Mobile, FE, PM, and PA teams to deliver high-quality products. Contribute to system-level architecture decisions for multi-module communication Document software architecture, tuning methods, and test results. Perform code reviews, ensuring best practices in coding standards. Participate in troubleshooting and root-cause analysis for firmware issues. Collaborate with QA and manufacturing teams for production firmware validation, factory firmware, and calibration procedures. Requirement (Must-Haves) Strong knowledge of networking fundamentals and protocols like TCP/IP (IPv4 and IPv6), socket programming, and higher-level protocols such as HTTP, WebSockets, or MQTT used in IoT systems. Experience developing firmware in a Real-Time Operating System (RTOS) environment (such as FreeRTOS or Zephyr). Proficient in C/C++ programming in embedded environments with RTOS. Understanding of memory management, interrupt handling, and power management in constrained systems. Familiarity with Git version control. A team player, who is self-m

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. We are currently looking for a highly skilled UX/UI Designer to our team in Stockholm, Sweden. Please note that applicants must live in Sweden and hold a valid work permit at the time of application to be considered for this role. Responsibilities: Design high-quality and user-friendly interfaces for web and mobile. Examples: UniFi Network app, UniFi Protect app, UniFi Design System, ui.com , store.ui.com , design.ui.com and more Embrace a design-first approach, pushing the boundaries of design by working on new and innovative ideas Co-work with key stakeholders including leadership, strategists, developers (FE/FS) and other designers Navigate an agile work environment, iterating quickly yet maintaining high quality Actively participate in mulitple projects across the company and voice your ideas on design improvements Requirements: Expert level UX and UI design skills Minimum five (5) years of experience designing interfaces for web and mobile Highly proficient in Figma Hands-on experience with prototyping using AI tools Strong interest in working hands-on with design, considering both user experience and UIs You take full ownership of your tasks and responsibilites Genuine passion for great UX Excellent communication skills and highly proficient in English (written and

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. We are currently looking for a highly skilled Product/Project Manager (PM) to our team in Stockholm, Sweden. Please note that applicants must live in Sweden and hold a valid work permit at the time of application to be considered for this role. Responsibilities: Leading and working alongside a team of highly skilled software developers, designers and QA's building applications for IT products, web and mobile on UniFi Assigning tasks, prioritizing focus, allocating resources, and ensuring high quality output Preparing and organizing the necessary project documentation Monitoring the quality and project execution Keeping up with newest technologies and tools Negotiating with stakeholders and other parties involved in the project Requirements: Extensive experience in software project management Excellent organizational skills and self-leadership Solid knowledge of software development cycles and testing Strong personality with great negotiation skills, a "get it done"-attitude and a focus on output Experience in analyzing information and making data driven decisions Professional interest in IT and networking products as well as new technologies in general Excellent communication skills and highly proficient in English (written and spoken) Based in Stockholm, Sweden Nice to have: B.Sc. or M.Sc. degree in Computer Science or rela

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Join forces with us on our mission to build a better IT industry. We are currently looking for a highly skilled Backend Software Engineer (Node.js) to join our team in Stockholm or Malmö, Sweden. Please note that applicants must live in Sweden and hold a valid work permit at the time of application to be considered for this role. Responsibilities: Design, build, and maintain backend services in Node.js and TypeScript across systems and applications on UniFi Develop secure, scalable, and maintainable APIs and service workflows Contribute to architecture and code design decisions across the team Review code and help maintain strong engineering standards, release quality, and development workflows Investigate production issues, debug complex failures, and ship robust fixes Work closely with embedded, web, mobile, product, and design teams to deliver platform capabilities used across the UniFi ecosystem Improve the reliability, observability, and developer experience of the services you work on Requirements: 5+ years of professional experience with Node.js and TypeScript 3+ years of experience working with SQL databases such as PostgreSQL Experience building software for connected devices, infrastructure products, networking systems, or similarly complex environments Good understanding of web security, including OWASP, browser securi

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Responsibilities: Lead discussions on architecture and code decisions; Code review workflows, branch/merge strategy, building and deployment processes; Actively participate in all projects and voice your ideas and solutions; Maintain a good programming style and stay up-to-date with the latest technology and trends; Design developer-friendly APIs that are secure, scalable, and well-documented; Communicate complex technical topics with stakeholders – product managers, embedded, mobile and front-end developers, design UX. Requirements: 5+ years of experience with Node.js and TypeScript development; 5+ years of experience with SQL (Postgres or similar); Working knowledge of web security (OWASP, browser security model, OAuth); Excellent debugging and testing skills, and an eye for defensive programming; Solid knowledge about programming, design patterns and web protocols; Familiar with Git, Unix/Linux, Docker; Experience with AI tools - Claude, Codex, etc; Fluent in English and Latvian. Nice to have: Expertise in working with DevOps and Build pipelines; Rust, WebRTC, gRPC, Go. The project stack: Services in NodeJS (TypeScript) with PostgreSQL DB; Services in Rust; Frontend in React with real-time communication (WebRTC); Cloud services via AWS IoT. Benefits: International work environment and work with global development teams; Abilit