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Mobile Developer

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Mobile Developer

Senior iOS Developer

Jobgether

Remote

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Role description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior iOS Developer based in Switzerland.
This is an opportunity to build a next-generation mobile financial product at the intersection of traditional finance and decentralized technology.

You’ll take ownership of the iOS experience for an application bringing investing, trading, staking, and digital assets together in one platform.

The role combines polished mobile product development with demanding requirements around security, reliability, and real-time financial data.

You’ll work extensively with Swift and SwiftUI while integrating secure wallet functionality and transaction signing flows.

Close collaboration with backend, product, and design teams will allow you to shape both the technical architecture and user experience.

You’ll join a fast-moving remote startup environment where autonomy, technical ownership, and strong communication are highly valued.

This is a strong opportunity for an experienced iOS engineer interested in fintech, blockchain, and building consumer-facing financial technology from the ground up.

Accountabilities

  • Design, develop, and maintain a high-quality iOS application using Swift and SwiftUI.
  • Build intuitive and reliable interfaces for complex financial workflows, including staking, trading, portfolio management, and digital asset exposure.
  • Implement secure wallet integrations and transaction-signing flows with a strong focus on protecting user assets and data.
  • Integrate RESTful and WebSocket APIs to support reliable communication with backend services and real-time financial information.
  • Optimize application performance, stability, security, and responsiveness across supported iOS devices.
  • Apply appropriate mobile security practices, including secure storage, Keychain integration, and biometric authentication.
  • Contribute to mobile architecture decisions and help maintain scalable, maintainable application structures.
  • Participate in code reviews and uphold high standards for code quality, testing, and engineering practices.
  • Collaborate closely with product managers, designers, and backend engineers to translate requirements into polished, user-friendly experiences.
  • Monitor developments in the iOS ecosystem and evaluate relevant platform updates, APIs, and capabilities for integration into the product.
  • Take ownership of technical challenges and contribute proactively to the evolution of the mobile product in a fast-paced startup environment.

Requirements

  • 3+ years of professional experience developing iOS applications.
  • Strong hands-on proficiency in Swift and SwiftUI.
  • Solid understanding of iOS security best practices, including Keychain, biometric authentication, and secure data storage.
  • Practical experience integrating RESTful APIs and working with real-time data through WebSockets.
  • Strong understanding of mobile application architecture patterns such as MVVM and Clean Architecture.
  • Experience building production-quality applications with a strong focus on performance, reliability, and maintainability.
  • Ability to work effectively in a fast-paced startup environment with changing priorities and a high degree of ownership.
  • Strong problem-solving skills and a proactive approach to identifying and resolving technical challenges.
  • Good written and spoken English communication skills.
  • Experience developing fintech, trading, banking, or other financial applications is a strong advantage.
  • Knowledge of blockchain, cryptocurrency, digital wallets, transactions, or DeFi concepts is a plus.
  • Experience publishing and maintaining applications through the Apple App Store is advantageous.
  • Strong collaboration skills and the ability to work effectively with engineering, product, and design stakeholders in a remote environment.

Benefits

  • Competitive base salary of $90,000–$120,000 per year, depending on experience.
  • Fully remote position within Europe.
  • Full-time employment.
  • Opportunity to build a consumer-facing financial product from an early stage.
  • Work at the intersection of fintech, decentralized finance, blockchain, and mobile technology.
  • Significant influence over mobile architecture, product development, and user experience.
  • Opportunity to work with modern iOS technologies including Swift and SwiftUI.
  • Exposure to technically challenging areas including secure wallet integration, transaction signing, and real-time financial data.
  • Fast-paced startup environment offering substantial autonomy and technical ownership.
  • Collaborative work with backend engineering, product, and design teams.
  • Opportunity to contribute to the development of a new approach to digital financial services.

How Jobgether Works
We use an
AI-powered matching process
to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice:
By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

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Mobile Developer

Senior iOS Developer

Immoweb

Remotefulltime

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Role description

Build the platform where Belgium feels at home.
For over 30 years, Immoweb has been more than just a platform; we are the digital heartbeat of the Belgian real estate market. From first apartments to forever homes, we bridge the gap between dreams and reality for millions of users every month.

Our mission: to inspire, guide and close every home move in Belgium. We make real estate fast, transparent, and stress-free through world-class technology and human-centric support. We are dedicated to connecting people with their property goals, ensuring that at Immoweb, your work has an immediate, nationwide impact from day one.

Your Mission
Who we are
Immoweb is Belgium's leading real estate portal, part of AVIV Group, Europe's largest network of digital real estate marketplaces. Every month, hundreds of thousands of people use our iOS app to search, save, and get alerted about the properties that matter to them. We're currently modernising our native codebase — moving from an older UIKit/MVVM stack to a leaner, more testable Swift 6 architecture — while keeping the app running reliably for our existing user base.

The Seeker squad
You'll join Seeker, a full-stack squad (iOS, Android, Web, Backend, Design) that owns the end-to-end property search and discovery experience: search, filters, saved searches and alerts, and the property detail page. We work in close collaboration with product and design, ship through CI/CD, and care about shipping quality features that scale to hundreds of thousands of daily users.

What You'll Do

  • Design and build native iOS features for the Immoweb app, working closely with our Android, Web, Backend, and Design counterparts on shared feature sets.
  • Contribute to our ongoing migration from UIKit/legacy patterns to SwiftUI, @Observable, and Point-Free's modular architecture libraries.
  • Write clean, testable code (XCTest / Swift Testing) and review your teammates' work.
  • Continuously improve app quality, performance, and stability for a large, active user base.
  • Ship through our CI/CD pipeline in close collaboration with product managers.
  • Be a driving force behind new features — search relevance, alerts, personalisation — and technical improvements alike.
  • Share knowledge with the team and help raise the bar on iOS engineering practices across Immoweb.

What You Bring

  • Solid, hands-on experience building production iOS apps in Swift, ideally including Swift 6 and iOS 18.
  • Strong SwiftUI experience; comfort with @Observable and modern state management patterns.
  • Good understanding of Swift Concurrency (async/await); exposure to RxSwift is a plus, as parts of our codebase are mid-migration.
  • Familiarity with, or willingness to adopt, Point-Free's à la carte libraries (swift-dependencies, swift-sharing, swift-navigation, swift-case-paths).
  • Experience consuming RESTful APIs; familiarity with Moya is a plus.
  • A solid grasp of software architecture and Clean Architecture principles.
  • Basic knowledge of unit and UI testing (XCTest / Swift Testing).
  • Comfort working with Git and collaborative workflows (GitHub).
  • Excellent communication skills; you're a team player who shares knowledge openly.
  • English is mandatory; French or Dutch are strong assets given our Belgian market.

Nice to have

  • Experience with Swift Package Manager.
  • Familiarity with the Composable Architecture (TCA) or similar unidirectional architectures.
  • Experience with A/B testing and product analytics/tracking.
  • Experience with Bitrise or similar CI/CD tooling.
  • Knowledge of accessibility best practices.
  • Experience contributing to or consuming a design system.
  • Familiarity with Jira and Confluence; experience working in Scrum.

What We Offer

  • A friendly, quality-first engineering culture where you'll help modernise a widely-used app.
  • Real ownership over features used by hundreds of thousands of people every day.
  • Hybrid working, with the option to be based in Brussels or Bucharest.
  • Opportunities for growth — training, conferences, and mentorship within a full-stack squad.
  • The autonomy to work in the way that makes you most productive, and a say in the tools you use.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

That is every opening in this category and country

Senior iOS DeveloperJobgether

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