Senior Android Engineer, Multiple roles

At Oura, our mission is to empower every individual to harness their inner potential. Our award-winning products, including the Oura Ring and its connected app, enable our global community to gain profound insights into their readiness, activity, and sleep quality. We have positively impacted millions, providing daily insights and actionable steps that inspi…

Join Tieto Tech Consulting as a Full-Stack Developer, where you will play a vital role in designing and implementing innovative software solutions. Collaborate with cross-functional teams to deliver high-quality applications that meet client needs.

Join Metacore as a Build Engineer, where you will play a pivotal role in our development process, ensuring seamless integration and deployment of our high-quality games. You will collaborate closely with our talented development team, leveraging your expertise in build systems and automation to enhance workflows and optimize performance.

airapps is looking for a Frontend Web Developer based in Helsinki. This position centers on building responsive and engaging user interfaces for web applications. Role overview The Frontend Web Developer will work closely with UX/UI designers and backend developers to deliver visually appealing and effective web solutions. Turning design concepts into interactive features, the role supports both user experience and business goals. Key responsibilities Create dynamic, responsive user interfaces for web platforms Work with designers to implement seamless user experiences Collaborate with backend developers to integrate APIs and data What airapps values Creativity in solving design and usability challenges Technical skill in modern frontend development Enthusiasm for web development

airapps is looking for a React Native Engineer to join the team in Helsinki. This position centers on building mobile applications that are scalable and responsive, with a strong emphasis on user experience and thoughtful design. What you will do Develop and maintain mobile apps using React Native Work closely with colleagues to design and implement new features Keep applications responsive and high-quality Apply mobile development best practices throughout the project lifecycle Requirements Experience with React Native Solid understanding of mobile development principles Comfort working in a collaborative team setting Interest in building applications that enhance user experience Location This role is based in Helsinki.

Join Aiven, a dynamic global team of over 400 professionals dedicated to redefining the landscape of open-source technology and multi-cloud solutions. Our mission is to empower developers, builders, and creators by providing a fast and straightforward cloud data platform that makes open-source databases, search, streaming, and application infrastructures readily accessible.The Role:We are seeking a Senior Full Stack Engineer to become a vital member of our PostgreSQL Developer Experience team. This team is on a clear mission: to simplify modern application development, backed by the world’s most resilient Postgres database.As a full-stack engineering specialist, you will translate complex PostgreSQL features into elegant, user-friendly interfaces for developers. You will act with urgency and a proactive mindset, exercising sound judgment to balance innovation, risk, and opportunity with release timelines and project scopes.Our back-end systems are primarily developed in Python, with components in Go and C, while the front end utilizes React and TypeScript.In this role, you will not only execute tasks but also shape the PostgreSQL experience for developers, making it enjoyable, discoverable, and easy to adopt.What You’ll Do:Deliver End-to-End Developer Experience: Own the technical implementation throughout the entire user journey—from onboarding and data migration to ongoing usage, developer satisfaction, and growth opportunities.Build Intuitive Interfaces: Design and develop front-end applications, dashboards, and developer tools that facilitate the seamless adoption and use of PostgreSQL.Obsess Over Usage Data: Analyze and monitor product usage to understand developer behaviors, identify friction points, and drive data-informed enhancements.Experiment & Iterate Quickly: Work in agile cycles, delivering prototypes and features swiftly to test adoption and enhance the user experience.Work Across a Modern Codebase: Collaborate on a technology stack where back-end systems are primarily Python, with modules in Go and C, and the front end is built with React and TypeScript.Champion Quality at Speed: Produce high-quality, maintainable code while embracing agility and rapid iteration, and participate in technical planning to steer architectural decisions.Collaborate Cross-functionally: Partner with back-end engineers, product managers, and design teams to foster a cohesive development environment.

Role Overview Zynga Careers is looking for an Analytics Developer in Helsinki, Finland. This role focuses on analyzing large and complex data sets to support decision-making across the organization. The position works closely with teams from different disciplines to create analytics solutions that strengthen Zynga’s products and improve the experience for players. What You Will Do Analyze data to identify trends, patterns, and actionable insights Work with cross-functional teams to design and implement analytics tools and dashboards Support product and business strategy with data-driven recommendations Help optimize user experience through data analysis

Join Reaktor's Renowned Tech Community as a Mobile Developer!If you are passionate about mobile development and excel at tackling intricate challenges within multidisciplinary teams, we encourage you to consider joining us in Finland (Helsinki, Tampere, Turku). At Reaktor, we foster a low-hierarchy environment that promotes creativity and collaboration.Your responsibilities will include:Creating native mobile applications for both iOS and Android.Engaging directly with clients and stakeholders to clarify project requirements in a collaborative team setting.Making significant contributions to architectural decisions and guiding the long-term technical strategy.Participating in discovery, conceptualization, and iterative delivery processes, beyond mere implementation.Occasionally extending your contributions beyond mobile development to adopt a full-stack approach when beneficial to the project.To excel in this role, you should possess:Extensive experience in at least one mobile ecosystem (iOS/Android), typically requiring around 6 years of professional development experience.Solid practical knowledge of technologies such as: Swift, UIKit, Reactive Programming, Java, Kotlin, depending on your ecosystem.Experience with SwiftUI is a valuable addition.A strong sense of ownership in testing: You will take responsibility for the entire development cycle, ensuring features are defect-free and delivered to users.Prior experience in monitoring and troubleshooting production applications.A keen interest in developing refined animations in collaboration with a Motion Designer.We also value the following qualities:A consultative mindset with experience in engaging multiple stakeholders to unravel complex, ambiguous challenges.Familiarity with full-stack development.References to well-known, high-traffic consumer applications that are currently available for download.Fluency in verbal and written English to collaborate effectively in our international setting. Proficiency in Finnish is considered an advantage.

Join our innovative team at Oura as a Digital Sculptor where you will harness your artistic talents to create stunning digital sculptures that push the boundaries of design and technology. Your work will contribute significantly to our mission of enhancing health and wellness through cutting-edge wearable technology. This role allows you to collaborate with a diverse team of designers and engineers to bring concepts to life in a dynamic and creative environment.

airapps is looking for a Creative Designer based in Helsinki. The focus of this position is to create visuals that capture attention and reflect the brand’s style. Working closely with others, the Creative Designer helps shape ideas into finished designs that connect with the audience. Key responsibilities Produce graphics and visual assets that match airapps’ brand identity Bring original ideas to creative sessions and discussions Work alongside teammates to develop and refine design projects Requirements Creative thinking and strong visual storytelling abilities Comfort working within a collaborative team Experience delivering high-quality designs for digital or print media

Join Reaktor's Award-Winning Tech Community as an AI Developer!Are you passionate about leveraging advanced AI technologies to create innovative LLM-powered applications? Do you excel in navigating the complete software development lifecycle? If you're eager to tackle real-world challenges with a holistic approach, we invite you to connect with us. Experience a collaborative, low-hierarchy environment where your ideas and curiosity can drive meaningful change.Your Role as an AI DeveloperAs an AI Developer at Reaktor, you will take on a pivotal role, mastering various AI-related software development tasks that span from front-end design to production implementation.Key Responsibilities:Crafting and deploying end-to-end LLM-enabled applications, focusing on backend architecture and user-facing components to ensure scalability and maintainability.Integrating both commercial and open-source LLMs (such as OpenAI, Anthropic, Meta Llama) into production applications using APIs or fine-tuning techniques.Engaging with end-to-end RAG pipelines, including embeddings, vector databases (like PostgreSQL + pgvector, chromaDB, pinecone), and robust prompt engineering strategies.Developing and implementing evaluation pipelines to measure model performance and ensure safety.Collaborating with cross-functional teams to create AI use cases that address complex business problems.Partnering with client tech and business teams to identify the most suitable technologies for their needs.Providing world-class technical expertise to clients and team members.Contributing to overall software architecture and design, including test automation and debugging tasks.Your ProfileYou are a curious AI developer adept in working with LLMs, backend and frontend technologies, with a solid understanding of infrastructure and transformer-based models.Qualifications Required:Proven experience in AI software development technologies including LLMs, backend, frontend, and operational skills within a production setting.Experience in deploying AI applications in cloud environments (Azure, AWS, GCP) with containerization and orchestration tools (Docker, Kubernetes).Strong problem-solving skills and a proactive approach in technology selection suitable for project needs.

Join the Award-Winning Tech Community at Reaktor!We are seeking a talented and experienced Mobile Developer to enhance our Gaming & Entertainment Business Unit in Helsinki. If you excel in mobile development, are passionate about tackling intricate challenges within multidisciplinary teams, and thrive in a flat organizational structure, then you might be the perfect fit for us.As part of our Gaming & Entertainment Business Unit, you will play a crucial role in supporting our clients and delivering innovative solutions in this dynamic domain.Your Responsibilities:Design and develop native mobile applications for both iOS and Android platforms.Engage with clients and stakeholders to interpret and clarify project requirements collaboratively.Contribute to architectural discussions and guide long-term technical strategies.Participate in the discovery phase, concept development, and iterative delivery processes.Occasionally extend your expertise beyond mobile development to embrace full-stack opportunities when beneficial.What You Bring:Technical Skills:Significant experience in iOS and Android ecosystems, typically requiring around 8 years of professional exposure.Proficiency in Swift, UIKit, Reactive Programming, Java, and Kotlin.Experience with SwiftUI is an advantage.A mindset geared towards testing ownership, ensuring the entire development cycle is addressed from implementation to user delivery.Experience with monitoring and troubleshooting production applications.A keen interest in creating refined animations, working in collaboration with a Motion Designer.Technical Depth:Strong practical experience with Swift and Kotlin.Experience with C++ and Flutter is preferred.Cross-Stack Proficiency:Familiarity with full-stack development practices.Consultative Approach:Ability to engage in consultative discussions, fostering collaborative environments.

Embark on an exciting journey with ASM, where innovation meets a collaborative spirit.With over 55 years of pioneering experience, ASM stands at the forefront of technological advancements. Our diverse team of more than 4,500 professionals from 70 nationalities is driving significant trends in 5G, cloud computing, artificial intelligence, and autonomous driving. We pride ourselves on being more than just a tech company; we are committed to diversity, inclusion, and sustainability, aiming to make a positive impact globally. Our development programs are designed to support your career growth, fostering innovation and unlocking potential. Join ASM as a Senior Engineer I in Equipment Engineering and play a pivotal role in semiconductor innovation! In this hands-on, technology-rich position, you will work closely with our state-of-the-art thermal and plasma ALD systems, ensuring optimal performance of tools vital for next-generation chip manufacturing. You will engage in an expert R&D and engineering environment, tackling complex mechanical, electrical, pneumatic, and vacuum systems; troubleshooting precision tools; and assisting engineers with high-impact hardware and process challenges. Your responsibilities will include investigating alarms, performing preventive maintenance, assisting in the installation of new equipment, and conducting root-cause analysis, all of which directly contribute to ASM’s reputation for outstanding reliability and performance.If you are passionate about problem-solving, working with cutting-edge equipment, and contributing to innovations that power technology globally—from smartphones to autonomous vehicles—this role places you at the heart of it all. You will enhance your skills, collaborate with top-tier engineers, and make a tangible impact, all while learning from industry leaders.

LotusWorks is a premier Engineering Services provider, excelling in the realms of Commissioning, Construction Services, Calibration, Operations & Maintenance within global manufacturing facilities. We operate across EMEA and North America, collaborating with leading manufacturers in the Semiconductor, Pharmaceutical & Biologics, Medical Device, and Data Centre sectors. Our dedicated team of Engineering and Technical professionals is deeply engaged with cutting-edge technologies and innovations. At LotusWorks, we are committed to fostering a diverse and inclusive workplace, central to our people-first philosophy.The Electrical Commissioning Engineer is essential in the project acceptance phase, guaranteeing that electrical systems are meticulously installed, tested, validated, and documented per approved procedures and project specifications. This role demands hands-on commissioning activities, troubleshooting, and ensuring the successful completion of electrical systems for mission-critical facilities.

At Two, we are at the forefront of revolutionizing B2B commerce by reimagining payment processes for businesses. Our goal is to integrate the speed, simplicity, and customer-centric approach of B2C e-commerce into the B2B realm, alleviating barriers in business transactions and fostering growth for both merchants and buyers.Utilizing real-time credit assessments, seamless checkout experiences, and sophisticated risk evaluations, we empower sales processes that are faster, smarter, and more efficient. With an impressive 30% month-over-month growth and operations spanning Europe and the United States, we are rapidly scaling and are poised to establish ourselves as the premier B2B payment solution globally by 2027, aiming to become one of the next Nordic unicorns.Supported by renowned investors such as Sequoia Capital, Shine, LocalGlobe, Antler, and respected fintech angels, we have successfully raised over €40 million in equity thus far. And we're just getting started!About The RoleWe are seeking ambitious and proactive Sales Development Representatives to join our dynamic Commercial team. In this role, you will be instrumental in driving market share across the Nordics and broader Europe while also aiding our expansion into new strategic markets as we continue our growth trajectory.As an SDR at Two, you'll serve as the initial point of contact for prospective customers, helping them recognize the value of Two’s offerings and contributing to our go-to-market strategy. Your responsibilities will include generating and qualifying leads, scheduling discovery calls, and collaborating closely with our Sales Managers and Chief Commercial Officer to develop robust regional pipelines.This is a remarkable opportunity to become part of one of Europe’s most promising fintech scale-ups and directly influence our commercial success.Location:This position can be based in our office hubs in Oslo, Stockholm, or London, or it can be fully remote from Helsinki.Please note that visa sponsorship is not available for this role.What You’ll DoInitiate contact with potential customers via phone, email, LinkedIn, and other channels.Assess inbound and outbound leads and arrange discovery meetings for Sales Managers.Develop a comprehensive understanding of Two’s products, customer segments, and value propositions.Collaborate with the broader commercial team on outreach strategies and enablement content.Conduct market research to effectively identify and qualify target industries, verticals, and buyers.Maintain precise records of all prospect interactions in our CRM system.What We OfferThe chance to shape and scale a high-impact commercial function.Competitive base salary with an uncapped performance-based bonus structure.Stock option plan.Flexible working options – remote or hybrid, tailored to your preference.Access to modern office hubs in Stockholm or Oslo.

Join Winthrop Technologies, a premier partner in data center delivery, as we provide innovative turnkey solutions across Europe. Headquartered in Dublin, we pride ourselves on our expertise in delivering comprehensive data center services from design to construction, encompassing civil, structural, architectural, mechanical, and electrical disciplines, along with commissioning.As the leading dedicated data center delivery partner in Europe, Winthrop is currently engaged in multiple projects across seven countries, with an impressive capacity of over 430 MW of IT load in progress.We are excited to invite an Electrical Commissioning Engineer to our dynamic team in Helsinki, Finland, to help drive our success further.

At Oura, we are on a mission to help individuals unlock their full potential. Our award-winning Oura Ring and its accompanying app provide users with insights into their readiness, activity, and sleep quality, enabling them to lead healthier lives. As a rapidly growing company, we prioritize empowering our team to perform at their best, both inside and outside the workplace. We are seeking a Senior Software Engineer specializing in DataFlow for Android to enhance our core components responsible for data management between our mobile app and the cloud. This hybrid role allows you to collaborate with our team in Helsinki while contributing to a dynamic and innovative environment.

Role overview AlphaSense is hiring a Principal Design Engineer in Helsinki, Uusimaa, Finland. This position focuses on leading product design efforts from initial concept to production. The role involves working closely with teams across disciplines to shape products that address client needs. What you will do Guide design engineering projects from early ideas through to manufacturing Collaborate with cross-functional teams to align design with product goals Apply deep technical knowledge to develop products that serve client requirements

Role Overview ASM International N.V. is seeking a Senior Engineer, Process Engineering to join the Global R&D Process Engineering Program in Helsinki, Finland. This position focuses on designing, improving, and implementing process solutions that support efficiency and quality across advanced technology projects. Key Responsibilities Work closely with cross-functional teams to develop and refine engineering processes. Contribute to the creation and optimization of process solutions for new and existing technologies. Support initiatives that improve efficiency and maintain high standards of quality. Location Based in Helsinki, Finland.

Kaupunkiliikenne seeks a Development Manager with extensive experience in tram infrastructure to guide the direction of Helsinki’s tram network. This position carries full responsibility for switch assets, covering investment planning, technical requirements, and long-term reliability. The role shapes how tram switches are managed and ensures the infrastructure remains cohesive and efficient. What you will do Lead switch strategy: Direct the organization’s approach to tram switches and align stakeholders around shared network goals. Manage investments: Oversee the entire switch investment process, set technical requirements, and ensure a smooth transition from investment to ongoing asset management. Define technical standards: Specify control functions, override speeds, and quality benchmarks for switches. Maintain clarity and consistency in track signage. Advance development: Collaborate with city experts to support technical progress and long-term infrastructure planning. Requirements Technical expertise: Deep understanding of tram switches, their technology, and system interfaces. Broad knowledge of railway technology and the impact of technical choices on performance and durability. Asset management skills: Experience supporting investments that preserve asset value. Understanding of maintenance programs and commissioning processes that bridge investment and maintenance phases. Financial and operational judgment: Ability to identify factors influencing lifecycle costs and balance technical quality, reliability, and cost-effectiveness in decision-making. Education and communication: Relevant technical degree (such as M.Sc. or Engineer). Strong communication skills and the ability to lead expert networks. This position requires a professional who recognizes how technical decisions shape the tram network throughout its lifecycle. The selected candidate must complete a security clearance process.