Mobile Engineer - Flutter | Lisbon

Join TransPerfect, a well-established company with a vibrant start-up culture, as we seek innovative and entrepreneurial spirits to enhance our team. We are in search of a Mobile Engineer to join our global workforce, responsible for developing exceptional user experiences on the iOS and Android platforms. This full-time hybrid role requires both independent…

Why Choose Valtech? At Valtech, we are a leading experience innovation company and a trusted partner to some of the world's most recognized brands. We provide our team members with abundant opportunities for growth, a culture driven by our core values, international career prospects, and the chance to influence the future of digital experiences.The OpportunityJoin us at Valtech, where you'll thrive in an environment that encourages continuous learning, impactful contributions, and professional advancement. As a Lead Flutter Engineer, your role will involve pioneering innovative digital solutions, questioning the status quo, and creating the next generation of customer experiences that will drive industry transformation.

Tripadvisor’s Experiences Engineering team is looking for a Principal Software Engineer - Mobile to join the group in Lisbon. This position centers on leading mobile development for customer-facing solutions. The team operates remote-first, but candidates must be able to commute to the Lisbon office within roughly 1.5 hours for occasional meetings. Note: B2B contracts are not offered for this role. Role overview This is a senior technical leadership role focused on mobile app architecture and delivery. The Principal Software Engineer will guide the design and development of scalable mobile systems, ensuring strong performance, reliability, and offline functionality. Collaboration with other engineering teams is key to maintaining quality and consistency across platforms. What you will do Lead the design and architecture of complex mobile applications that power Tripadvisor’s customer-facing products. Run design reviews within the team and across the broader engineering organization, with an emphasis on mobile architecture and platform integration. Champion best practices in release management, app stability, observability, performance monitoring, and incident response to improve mobile operational maturity. Work closely with engineers to deliver reliable, high-quality mobile experiences for travelers and operators worldwide. Team context The Experiences Engineering team manages the platform, mobile apps, and supporting infrastructure across Europe. Their work helps operators grow their businesses, supports third-party integrations, and equips customer service teams to assist travelers globally.

airapps is looking for a Mobile DevOps Engineer in Lisbon to strengthen its technology team. This position centers on managing and improving deployment workflows for mobile applications. Role overview The Mobile DevOps Engineer will oversee mobile app deployment pipelines, focusing on smooth integration and delivery. The role calls for attention to detail and a drive to streamline processes. Key responsibilities Manage and optimize deployment processes for mobile applications Implement automation to support continuous integration and delivery Work with cloud services to improve operational efficiency Requirements Experience with automation tools and cloud platforms Background in mobile application deployment and integration

Join SIXT as we redefine the future of mobility through innovative technology. As a Software Engineering Manager, you will spearhead engineering initiatives for critical platforms that drive our global fleet operations and enhance revenue optimization. Your teams will develop systems for fleet planning, lifecycle management, operational decision-making, and logistics, enabling data-driven strategies across a vast network of vehicles worldwide.In collaboration with product managers, data scientists, analysts, and business stakeholders, you will help design and scale solutions that forecast demand, improve fleet utilization, and facilitate real-time operational decisions. As we modernize our core platforms, your contributions will directly impact operational efficiency, customer satisfaction, and overall business performance within our global mobility ecosystem.YOUR ROLE AT SIXTLead and cultivate high-performing engineering teams, promoting a culture of ownership, continuous improvement, and technical excellence, with a focus on adopting modern software development practices, particularly in AI and agentic engineering.Empower teams to create and deliver scalable, reliable systems while fostering modern engineering practices and robust architectural thinking.Serve as a mentor and coach, guiding autonomous teams in overcoming complex technical and organizational challenges.Collaborate closely with product leaders to shape product vision, translating business challenges into technical solutions that deliver measurable value to customers and the business.Drive execution and delivery of large-scale cross-functional initiatives involving engineering, data science, analytics, and business stakeholders.Balance speed and quality by managing trade-offs between rapid delivery, system scalability, and long-term technical sustainability.

Join Our Dynamic Team1GLOBAL is at the forefront of global mobile communications, providing innovative connectivity solutions tailored for both enterprises and consumers. Our cutting-edge telecom platform features an extensive in-house developed eSIM technology and a comprehensive array of telecom licenses, allowing us to operate as a fully regulated provider across 40 countries.We proudly serve numerous top-tier clients, including leading banks, enterprises, and digital-first businesses, enabling them to innovate confidently within the mobile ecosystem. With over 70 million connections globally, we empower our customers to launch and scale their telecommunications services effectively.1GLOBAL is a fast-growing, profitable venture with projected revenues exceeding US$200 million and profits surpassing US$25 million in the upcoming years. Our robust cash flow supports continuous investment in infrastructure, technological advancements, and global expansion.Founded in 2022 by industry veterans Hakan Koç and Pyrros Koussios, 1GLOBAL quickly established itself as a European technology leader, driving the future of telecommunications. Operating as a Mobile Virtual Network Operator (MVNO) in 12 countries and a regulated telecom operator in 28 markets, our headquarters in the Netherlands and R&D hubs in Lisbon, Berlin, and São Paulo host a talented team of nearly 500 experts across 15 countries, all dedicated to transforming global mobile connectivity.Be Part of Our Billing TeamAs a key member of our international team, you will play a crucial role in the development and enhancement of 1GLOBAL's billing system. We seek a skilled developer who is a team player, adept at designing and implementing new services, maintaining existing components, and thoroughly testing our applications.Ideal candidates will have a proven track record in bridging product and technology teams within product-led growth organizations. Join us in driving the Mediation and Billing solution's delivery and overseeing the complete life-cycle of our product offerings.

Join Our Innovative Team at Air AppsAt Air Apps, we are driven by a vision of innovation and speed. As a family-founded company, our mission is to revolutionize how individuals plan their resources with the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP). Since our inception in Lisbon, Portugal, in 2018, we have expanded to San Francisco and have achieved over 100 million downloads globally. Our self-funded journey reflects our commitment to crafting solutions that truly impact lives.We constantly challenge conventional methods, leveraging AI-driven technology to create meaningful products that empower users worldwide. Be a part of our quest to redefine resource management and make a difference in people's lives.Your Role as an AI/ML EngineerAs an AI/ML Engineer, you will be instrumental in the design, development, and optimization of machine learning models that enhance our mobile applications. Collaborating closely with product managers, engineers, and designers, you will help create intelligent, data-driven features that elevate user experiences. Your proficiency in artificial intelligence and deep learning will enable us to stay ahead in the competitive mobile app landscape.This posting serves to expand our talent pool as we prepare to officially launch this position. We will reach out once the job is formally posted.Key ResponsibilitiesDevelop, train, and refine machine learning models for various mobile app functionalities.Research and apply cutting-edge AI methodologies to boost user engagement and app performance.Work collaboratively with cross-functional teams to integrate AI-enhanced solutions into our products.Design and maintain robust ML pipelines to ensure effective model deployment and monitoring.Analyze large datasets to extract insights and support data-driven decisions.Stay informed on the latest AI trends and best practices, integrating them into our development workflows.Optimize AI models for mobile environments, ensuring high performance and minimal latency.

Join Our JourneyAt Mollie, we believe that businesses deserve seamless finance solutions. Since our inception in 2004, we have been dedicated to simplifying payments and financial management for companies across Europe.With over 250,000 businesses relying on our comprehensive platform, we empower them to manage their finances and achieve growth on their own terms. Our services are designed to be simple, scalable, and tailored to the needs of real businesses.As one of Europe’s rapidly expanding fintech firms, our team of over 900 Mollies operates from 12+ locations. Our success is driven by the talented individuals who make up our team. We thrive on speed, purpose, and a deep commitment to our customers. Whether you’re tackling challenges, creating innovative products, or leveraging AI for smarter workflows, you will enjoy the freedom to innovate and the trust to deliver impactful results.If you’re eager to advance your career, shape the future of fintech, and be part of a dynamic, high-achieving team, we want to hear from you.Your ContributionData is integral to Mollie, informing decisions for over 250 internal users, from Product Managers to Analysts. As a Data Engineer, you will join a pivotal team that manages the infrastructure that supports this data-driven environment. We are currently in the process of enhancing our system, transitioning from managed services to a robust, self-hosted stack that offers greater control and scalability. Our foundation is strong, and we continuously introduce new functionalities to enhance our platform.In this role, you will not only maintain data pipelines but also engineer the platform. Your responsibilities will include migrating our orchestration layer to Kubernetes, implementing stringent data contracts, and developing self-service tools that enable the rest of the organization to operate more efficiently. This hands-on engineering position ensures that your work directly contributes to the reliability and quality of data at Mollie.Your DeliverablesOversee the migration of our governance tools to DataHub on GKE (Kubernetes), enhancing our governance capabilities.Develop and refine self-service tools and CI/CD pipelines, enabling analysts and engineers to independently deploy data models.Improve data observability and quality by implementing data contracts and monitoring tools to identify issues before they affect stakeholders.Create tools and capabilities for efficient data collection, processing, and utilization within the company.Optimize our GCP infrastructure (BigQuery, Pub/Sub, GCS, GKE) for cost efficiency and performance.

About the Role inetum2 is looking for a Data Engineer in Lisbon to help build and refine our data architecture. This role focuses on designing, implementing, and maintaining scalable data pipelines and databases that serve both analytical and operational needs. What You Will Do Design and develop data pipelines to handle large volumes of data Implement and maintain databases for various use cases Support data integrity and reliability across systems Work with teams to optimize data processes and architecture Location This position is based in Lisbon.

At Inetum, we are dedicated to leveraging technology to enhance lives and facilitate genuine business transformation. We are seeking a talented Network Engineer to become a vital part of our global team, focusing on the design, security, and operational excellence of the networks that uphold our international presence.If you are eager to engage with state-of-the-art infrastructures in a vibrant, multicultural setting, this opportunity is perfect for you.Key Responsibilities:Collaborate with an international team managing Network & Security operations for the Inetum Datacenter and global corporate networks.Design, operate, and maintain enterprise-level network infrastructure, firewalls, and network services.Conduct proactive tasks to ensure optimal availability, performance, and reliability of WAN, LAN, VOIP, and related services.Oversee and enhance critical services including DNS, VPN, routing, switching, and security policies.Implement complex IT projects across WAN, LAN, VOIP, server, and network platforms.Provide secondary support for broader network functions at the enterprise level.Deliver exceptional support to both local and remote end-users.Maintain precise documentation and contribute to knowledge base improvements.Make daily operational decisions to ensure the continuity and security of network services.

lastminute.com is looking for a Data Engineer in Lisbon to help strengthen its data infrastructure and analytics. This role focuses on designing, building, and maintaining data pipelines that support business intelligence and decision-making. What you will do Design and implement data pipelines for reliable data flow Maintain and improve systems that deliver accurate, timely data Collaborate with data scientists and analysts to ensure data is accessible and trustworthy Collaboration Work closely with colleagues across data science and analytics teams. Your efforts will help generate insights that inform company strategy. Location This position is based in Lisbon.

Are you prepared to be at the leading edge of technology as a Data Engineer with Netcompany? Join us to revolutionize the data landscape!As a Data Engineer, your responsibilities will include:Architecting and executing robust data pipelines using tools such as dbt, Trino, and Spark.Conducting dimensional modeling and data transformation to enhance data usability.Creating insightful dashboards and reports, with Power BI experience considered a plus.Writing efficient SQL queries and Python scripts to facilitate data processing.Containerizing data workflows and enabling hybrid deployments for optimal flexibility.Upholding data integrity and compliance standards.Working collaboratively with developers to test and validate seamless data integrations.

We are seeking an innovative and detail-oriented Data Engineer to join our team at inetum2. In this role, you will play a pivotal part in transforming data into actionable insights, enabling our clients to make informed decisions. You will work with advanced data technologies and collaborate with cross-functional teams to ensure data integrity and availability.

About Us1GLOBAL is a pioneering technology-driven mobile communications provider, dedicated to delivering unparalleled global connectivity solutions for both enterprises and consumers. Our cutting-edge telecom platform features an owned and operated global mobile core network, advanced in-house developed eSIM technology, and a comprehensive portfolio of telecom licenses, firmly establishing 1GLOBAL as a fully regulated telecommunications provider in 40 countries worldwide.We cater to a diverse clientele, including some of the world’s leading banks, enterprises, and digital-first businesses such as neo-banks, global fast-moving consumer goods companies, travel leaders, and payment service providers. Currently, 1GLOBAL connects over 70 million people and devices globally, empowering our customers to launch, scale, and innovate confidently within the mobile ecosystem.As a profitable and rapidly growing business, we anticipate full-year revenues in 2025 to exceed US$200 million with profits surpassing US$25 million. Our strong cash flows support continuous investments in infrastructure, platform innovation, and global expansion. Recent years have marked significant milestones for our company, with major enterprise and mass-consumer client acquisitions propelling our evolution into a global mobile connectivity powerhouse, specifically designed to enable consumer brands to achieve their telecommunications aspirations.Founded in 2022 by seasoned technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL has swiftly established itself as a European technology leader shaping the future of global telecommunications. Headquartered in the Netherlands, we have world-class R&D hubs in Lisbon, Berlin, and São Paulo. Our team of nearly 500 experts across 15 countries is united by a common goal: to redefine global mobile connectivity through technology, scale, and execution excellence.About the TeamWe are on the lookout for a talented Technical Product Manager to join our Lisbon office. In this pivotal role, you will play a crucial part in the implementation, scaling, and enhancement of our internal network stack, which includes our Network API and the Internal Support & Operations Portal.About the RoleTake ownership of the Hive, our Internal Support & Operations Portal.Gather requirements from internal stakeholders and drive continuous improvements.Define and maintain the product roadmap in close alignment with stakeholders and the Development team.Prepare clear Product Specifications and PRDs.Support the rollout of features and processes...

Role overview airapps is looking for a Mobile Software Architect based in Lisbon. The focus of this position is to design and build mobile applications that deliver strong user experiences and reliable performance. Success in this role depends on technical depth and a hands-on approach to mobile architecture. What you will do Design and implement mobile solutions that prioritize usability and speed Collaborate with teams from different disciplines to ensure technical alignment Establish and uphold architectural standards across mobile projects Mentor junior developers and encourage their professional growth Requirements Extensive experience in mobile application development Strong interest in influencing mobile technology strategy Ability to work with others to address technical challenges Willingness to share expertise and support less experienced engineers

Join our innovative team at inetum2 as a Fullstack Engineer, where you will play a vital role in developing and maintaining cutting-edge applications. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet our clients' needs.

Join our dynamic team at inetum2 as a Fullstack Engineer, where you'll have the opportunity to shape innovative web solutions. We are seeking a passionate developer with expertise in both frontend and backend technologies. You will work collaboratively in an agile environment, contributing to exciting projects that make a real impact.

Join our dynamic team as a Scala Engineer at evolution, where you'll have the opportunity to work on cutting-edge projects and collaborate with talented professionals in a fast-paced environment. You will be responsible for designing and implementing scalable applications, ensuring high performance and responsiveness to requests from the front-end. Your expertise in Scala will help us drive innovation and deliver exceptional software solutions.

Role overview Riskified seeks a Backend Engineer in Lisbon to help build and maintain the systems behind its fraud prevention products. This position centers on developing backend applications that keep client transactions running smoothly. The work involves ensuring reliability and scalability across key services. What you will do Design, develop, and maintain backend applications that support fraud prevention efforts Work with colleagues from other teams to deliver solutions that perform well under load Help ensure the stability and scalability of systems that process client transactions

Your OpportunityJoin Mollie, where we are dedicated to revolutionizing payments and money management for businesses across Europe.For the past two decades, we have been at the forefront of simplifying payment processes, offering a cost-effective alternative to traditional banking methods.Presently, we empower over 250,000 businesses with our comprehensive solution, enhancing their payment experiences. Our diverse team of 850 professionals spans across various disciplines, from engineering to finance, with a strong presence in cities like Lisbon and London.Our Lisbon Hub:Nestled in the vibrant area of Marques de Pombal, our Lisbon team comprises over 50 engineers representing 8 different nationalities. Together, we focus on delivering an exceptional Merchant Experience through our web and mobile applications, while continuously evolving our Payment Processing and Orchestration Platform to introduce innovative financial products.We cherish our inclusive, English-speaking culture, which fosters collaboration and creativity in addressing financial challenges.What You Will Be Doing:Building Large-Scale Systems: Contribute to the design and engineering of scalable systems that efficiently handle high transaction volumes.API and Service Development: Develop, maintain, and enhance APIs and services across Mollie’s engineering teams.Autonomy and Ownership: Spearhead technical initiatives from architectural design to execution, ensuring excellence is upheld throughout the process.Problem-Solving: Leverage your analytical skills and creativity to tackle complex issues, driving our mission to simplify financial processes.