Senior Mobile Engineer (Web3Auth) (Remote - EMEA) at Jobgether

, , Portugal -

Full Time

Start Date

Immediate

Expiry Date

12 Feb, 26

Salary

0.0

Posted On

14 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Mobile Onboarding, Web3 Adoption, React Native, Expo, iOS, Android, Performance Optimization, User-Centric Mindset, Web3 Ecosystem, Rust, C++, Collaboration, Communication Skills, Security, Extensibility, Architectural Discussions

Industry

Internet Marketplace Platforms

Description

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Mobile Engineer (Web3Auth) in EMEA. In this role, you will take ownership of mobile onboarding experiences that support large-scale web3 adoption, ensuring reliability, security, and seamless extensibility across complex mobile architectures. You will work end-to-end across mobile platforms, contributing to core onboarding flows, integrating advanced authentication methods, and optimizing performance across devices. You’ll collaborate with product, backend, and security teams to refine user journeys and elevate the overall onboarding experience. The position offers broad exposure to cutting-edge mobile technologies, decentralized identity models, and performance-critical mobile frameworks. It is ideal for engineers passionate about delivering intuitive and secure mobile experiences that can scale to millions of users. Accountabilities Lead improvements to the mobile onboarding architecture, ensuring reliability, security, and extensibility across core flows. Integrate new onboarding journeys such as MPC account creation and recovery, contributing to safer and more intuitive wallet experiences. Contribute directly to the React Native codebase and dive into native iOS or Android code when needed to integrate libraries or optimize performance. Participate in code reviews, ensuring maintainability, consistency, and high-quality engineering standards. Optimize onboarding performance by reducing latency, identifying bottlenecks, and improving SDK integrations. Support architectural discussions and contribute documentation and best practices to help guide technical decisions. Strong experience with React Native and Expo, capable of delivering smooth, reliable mobile onboarding experiences. Ability to work with native iOS or Android code to integrate libraries or fine-tune performance-critical components. Experience profiling and optimizing mobile apps to maintain fast and responsive onboarding flows. Ability to contribute to architectural debates with thoughtful input and a user-centric mindset. Experience with the Web3 ecosystem is a plus. Familiarity integrating Rust or C++ libraries into mobile applications is an advantage. Strong communication skills, collaborative mindset, and willingness to work in a fast-paced, remote-friendly environment. Competitive compensation aligned with role and experience. Flexible working environment and remote-friendly culture. Generous paid time off and wellness benefits. Professional development support and learning opportunities. Inclusive and diverse workplace focused on collaboration and growth. Additional perks that support work-life balance and remote productivity. Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching. When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly. 🔍 Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience and achievements. 📊 It compares your profile to the job’s core requirements and past success factors to determine your match score. 🎯 Based on this analysis, we automatically shortlist the 3 candidates with the highest match to the role. 🧠 When necessary, our human team may perform an additional manual review to ensure no strong profile is missed. The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role. Once the shortlist is completed, we share it directly with the company that owns the job opening. The final decision and next steps, such as interviews or assessments, are then handled by their internal hiring team. Thank you for your interest! #LI-CL1

Responsibilities

You will take ownership of mobile onboarding experiences that support large-scale web3 adoption, ensuring reliability, security, and seamless extensibility across complex mobile architectures. You’ll collaborate with product, backend, and security teams to refine user journeys and elevate the overall onboarding experience.