Lead iOS Software Engineer

🏢 Summary: Lead iOS Software Engineer role focused on building and scaling a high-quality fintech mobile app, driving architecture, code excellence, and delivering secure, performant user experiences. The position involves hands-on development, technical leadership, and ownership of features across multiple financial products. 🗂️ Requirements: 6+ years of professional iOS development experience, Strong proficiency in Swift, Experience with UIKit, SwiftUI, and Combine, Knowledge of MVVM and Clean Architecture, Experience with testing practices in iOS, Experience building complex, high-scale consumer applications, Ability to design scalable and secure mobile architectures, Experience with full feature lifecycle from design to deployment 📃 Skills: Swift, iOS, UIKit, SwiftUI, Combine, MVVM, CleanArchitecture, Xcode, Git, Testing, CI/CD 🏢 Description: Our Mission We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays where it belongs: in our customers’ pockets. We operate with long-term ambition and absolute conviction. We are not here to iterate on the past — we are here to redesign it. This is a defining moment to join us. We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What We’re Looking For We’re looking for a Lead iOS Software Engineer who is a world-class hands-on builder. You’ll set the bar for engineering excellence, lead by example through code reviews and architecture design, and inspire a growing mobile team to deliver elegant, reliable, and beautiful experiences that define what financial products should feel like. This is a high-impact role on our Core Product Team , where you’ll help build and scale the ARQ experience - from our flagship app to new initiatives such as Premium , Credit , and other innovative financial products in the pipeline. What You’ll Be Doing Be the hands-on technical expert for all things iOS - writing world-class code, performing code reviews, and ensuring technical excellence across the app. Collaborate with Product and Design to craft pixel-perfect user experiences with exceptional attention to detail, performance, and reliability. Architect, build, and maintain scalable mobile features that are secure, fast, and delightful to use. Review code, share insights, and elevate the quality of engineering across the app. Drive the evolution of our mobile architecture to support a multi-product environment (Premium, Credit, and more). Collaborate closely with cross-functional teams to ship quickly while maintaining uncompromising quality. Own the full lifecycle of your features - from design and implementation to testing and deployment. What You’ll Need 6+ years of professional experience in iOS development, ideally building complex, high-scale consumer products. Proven expertise in Swift and Apple’s iOS ecosystem (UIKit, SwiftUI, Combine, etc.). Strong understanding of design patterns, architecture (MVVM, Clean Architecture), and testing practices. Deep passion for UI/UX craftsmanship - you care deeply about the small details that make products amazing. Proven ability to deliver outstanding products end-to-end in fast-moving, high-growth environments. Bonus: Experience in fintech , payments , or digital banking .

🏢 Summary: Senior Android Engineer role focused on building and scaling a high-performance fintech mobile application, contributing to architecture, code quality, and end-to-end feature delivery. The position involves developing modern Android solutions and collaborating cross-functionally to deliver secure, user-centric financial products. The engineer will help evolve the Android app using best practices and modern frameworks. 🗂️ Requirements: 5+ years of experience building Android applications, Strong knowledge of Kotlin and Android ecosystem, Experience with Jetpack, Coroutines, and Compose, Understanding of MVVM, MVI, and Clean Architecture, Experience with Android testing frameworks, Ability to design and scale Android app architecture, Experience collaborating with cross-functional teams, Experience in fast-paced environments, Experience in fintech or consumer tech startups 📃 Skills: Kotlin, Android, Jetpack, Coroutines, Compose, MVVM, MVI, CleanArchitecture, Testing, Git 🏢 Description: Our Mission We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays where it belongs: in our customers’ pockets. We operate with long-term ambition and absolute conviction. We are not here to iterate on the past — we are here to redesign it. This is a defining moment to join us. We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What We’re Looking For We’re looking for a Senior Android Engineer who’s passionate about building beautiful, reliable, and high-performance products that delight users. You’ll be a hands-on engineer, contributing high-quality code and helping raise the bar for engineering standards across the team. You’ll join our Core Product Team, helping to build and scale the ARQ experience — from our flagship Android app to new product lines like Premium, Credit, and other financial products on the roadmap. What You’ll Be Doing Design and build exceptional Android experiences that users love and trust. Write clean, maintainable, and performant Kotlin code using modern Android tools and frameworks. Collaborate closely with Product, Design, and Backend teams to deliver features end-to-end. Contribute to the architecture and evolution of the Android app as it scales. Own features from concept to launch, ensuring quality, polish, and performance. Help improve code quality, testing, and development best practices within the team. What You’ll Need 5+ years of experience building Android applications used by thousands or millions of users. Strong knowledge of Kotlin and the Android ecosystem (Jetpack, Coroutines, Compose, etc.). Solid understanding of architecture patterns (MVVM, MVI, Clean Architecture) and testing frameworks. Strong ownership mindset and attention to detail when building user-facing products. Appreciation for great UX and product quality. Experience working in fast-paced environments, ideally in fintech or consumer tech startups.

🏢 Summary: Senior Android Engineer role focused on building and scaling high-performance, user-centric financial products within a core product team. The position involves designing, developing, and evolving a flagship Android app and new fintech features using modern Android technologies. You will own features end-to-end and contribute to architecture, code quality, and engineering standards. 🗂️ Requirements: 5+ years of experience building Android applications at scale, Strong proficiency in Kotlin, Deep knowledge of Android ecosystem components, Experience with Jetpack, Coroutines, and Compose, Understanding of MVVM, MVI, and Clean Architecture, Experience with testing frameworks for Android, Ability to design scalable mobile app architecture, Experience collaborating with backend and product teams 📃 Skills: Kotlin, Android, Jetpack, Coroutines, Compose, MVVM, MVI, CleanArchitecture, Testing, Git 🏢 Description: Our Mission We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays where it belongs: in our customers’ pockets. We operate with long-term ambition and absolute conviction. We are not here to iterate on the past — we are here to redesign it. This is a defining moment to join us. We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What We’re Looking For We’re looking for a Senior Android Engineer who’s passionate about building beautiful, reliable, and high-performance products that delight users. You’ll be a hands-on engineer, contributing high-quality code and helping raise the bar for engineering standards across the team. You’ll join our Core Product Team, helping to build and scale the ARQ experience — from our flagship Android app to new product lines like Premium, Credit, and other financial products on the roadmap. What You’ll Be Doing Design and build exceptional Android experiences that users love and trust. Write clean, maintainable, and performant Kotlin code using modern Android tools and frameworks. Collaborate closely with Product, Design, and Backend teams to deliver features end-to-end. Contribute to the architecture and evolution of the Android app as it scales. Own features from concept to launch, ensuring quality, polish, and performance. Help improve code quality, testing, and development best practices within the team. What You’ll Need 5+ years of experience building Android applications used by thousands or millions of users. Strong knowledge of Kotlin and the Android ecosystem (Jetpack, Coroutines, Compose, etc.). Solid understanding of architecture patterns (MVVM, MVI, Clean Architecture) and testing frameworks. Strong ownership mindset and attention to detail when building user-facing products. Appreciation for great UX and product quality. Experience working in fast-paced environments, ideally in fintech or consumer tech startups.

🏢 Summary: Backend Engineer role focused on designing and building scalable, secure, high-performance backend systems for financial products, including payments, treasury, and crypto liquidity. The position involves greenfield development, microservices architecture, and REST API design using a modern Java-based stack. Emphasis is placed on clean code, TDD, DDD, and continuous integration and delivery. 🗂️ Requirements: 5+ years of backend development experience, Strong proficiency in Java, Experience building REST APIs, Experience designing microservices architectures, Experience with PostgreSQL or relational databases, Experience with Spring Boot, Experience with TDD and DDD methodologies, Experience with CI/CD practices, Bachelor’s degree in Computer Science, Mathematics, Physics or related field, Fluent English communication skills 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, REST, Microservices, TDD, DDD, CI, CD, SQL 🏢 Description: Our Mission We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays where it belongs: in our customers’ pockets. We operate with long-term ambition and absolute conviction. We are not here to iterate on the past — we are here to redesign it. This is a defining moment to join us. We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money. It is a hybrid role, so we expect our teammates to go to our Krakow office 2-3 times per week. What you'll be doing The work will focus on greenfield development and improvement of existing systems Projects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database We rely on Spring Boot for quick and quality delivery We have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & delivery What you'll need 5+ years of experience in Backend development, with fluency in Java Bachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplines Quick learner with an ambitious and results driven personality, with excellent communication skills (english fluency, verbal and written) Track record of building complex products that millions of people use in hypergrowth startups.

🏢 Summary: Backend Engineer role focused on designing and building scalable, secure, and high-performance backend systems for financial products, including payments, treasury, transactions, and crypto liquidity. The position involves greenfield development, microservices architecture, and REST API development in a fast-paced fintech environment. The role emphasizes clean code, maintainability, and continuous delivery using modern Java technologies. 🗂️ Requirements: 5+ years of Backend development experience, Strong proficiency in Java, Experience building REST APIs, Experience developing microservices, Experience with PostgreSQL databases, Experience with Spring Boot framework, Experience with TDD and DDD, Experience with CI/CD practices, Bachelor’s degree in Computer Science, Mathematics, Physics, or Engineering, Fluency in English (written and spoken) 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, REST, Microservices, TDD, DDD, CI/CD, Git 🏢 Description: Our Mission We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money. It is a hybrid role, so we expect our teammates to go to our Krakow office 2-3 times per week. What you'll be doing The work will focus on greenfield development and improvement of existing systems Projects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database We rely on Spring Boot for quick and quality delivery We have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & delivery What you'll need 5+ years of experience in Backend development, with fluency in Java Bachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplines Quick learner with an ambitious and results driven personality, with excellent communication skills (english fluency, verbal and written) Track record of building complex products that millions of people use in hypergrowth startups. Perks: Competitive salary Own the development process that will face on the customer's impact Latest technology to work with Strong team that will help you improve your skills

🏢 Summary: Backend Engineer role focused on designing and building scalable, secure, and high-performance backend systems for financial products. The position involves greenfield development, building REST APIs and microservices, and evolving critical systems such as payments, treasury, and crypto liquidity. The role emphasizes clean code, maintainability, and modern engineering practices in a fast-paced fintech environment. 🗂️ Requirements: 5+ years Backend development experience, Fluency in Java, Experience building REST APIs, Experience with microservices architecture, Experience with relational databases, Experience with Spring Boot, Experience with TDD, Experience with CI/CD pipelines, Bachelor’s degree in Computer Science, Mathematics, Physics or related field, Proven experience building complex, high-scale products 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, REST, Microservices, TDD, DDD, CI, CD, SQL 🏢 Description: Our Mission We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money. It is a hybrid role, so we expect our teammates to go to our Krakow office 2-3 times per week. What you'll be doing The work will focus on greenfield development and improvement of existing systems Projects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database We rely on Spring Boot for quick and quality delivery We have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & delivery What you'll need 3+ years of experience in Backend development, with fluency in Java Bachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplines Quick learner with an ambitious and results driven personality, with excellent communication skills (english fluency, verbal and written) Track record of building complex products that millions of people use in hypergrowth startups. Perks: Competitive salary Own the development process that will face on the customer's impact Latest technology to work with Strong team that will help you improve your skills

🏢 Summary: Senior iOS Engineer role in a greenfield product team building a large-scale banking application using Kotlin Multiplatform and Compose Multiplatform. The position focuses on iOS platform integrations, native API bridging, shared UI development, and establishing best practices for KMP on iOS. You will own end-to-end delivery, contribute to architecture, and leverage AI-assisted engineering tools daily. 🗂️ Requirements: Minimum 5 years of professional experience in native iOS development, Expert-level proficiency in Swift, Working knowledge of Objective-C, Hands-on experience integrating Kotlin Multiplatform in iOS projects, Working knowledge of Kotlin and Compose Multiplatform, Strong understanding of iOS internals (UIKit/SwiftUI lifecycle, Keychain, ATS, entitlements, provisioning), Experience with MVVM, MVI, Clean Architecture, Experience building and maintaining Design Systems, Experience with Xcode build system and CocoaPods or SPM integration, Experience with testing frameworks for iOS and KMP, Experience with CI/CD for mobile applications, Daily proficiency with AI-assisted development tools (Claude Code, Cursor, GitHub Copilot), Fluency in Polish and English, Availability for occasional on-site work in Warsaw 📃 Skills: Swift, Objective-C, Kotlin, KMP, Compose, UIKit, SwiftUI, Xcode, CocoaPods, SPM, XCTest, Quick, Nimble, CI/CD, MVVM, MVI, ATS, Ktor, Claude, Cursor, Copilot 🏢 Description: Hi, nice you are here! 😊 Embrace change with Efigence! We are a technology company established in 1995, where people are a priority. A team of over 150 technology enthusiasts allowed us to implement hundreds of projects in the banking, insurance, e-commerce and other sectors. Many of them have gained recognition by winning awards in prestigious competitions. We are building a new, dedicated product team for a large-scale banking application and looking for a Senior iOS Engineer to join from the ground up. This is a greenfield team setup — you will have direct influence on how the team works, what standards it follows, and how the product evolves. The application is built entirely on Kotlin Multiplatform (KMP) with Compose Multiplatform for shared UI across Android and iOS. Your deep understanding of the iOS platform will be critical for platform-specific integrations, bridging native APIs, ensuring smooth App Store distribution, and optimizing the Compose Multiplatform experience on iOS. We need people who work with agility — who thrive in short iterations, understand what they are building and why, and take ownership of delivering high-quality solutions end-to-end. Equally important is your ability to think in product terms: understanding user needs, challenging requirements, and proposing better approaches. Fluent use of Agentic Engineering tools (Claude Code, Cursor) is a core expectation, not a bonus. Your Responsibilities: 🔹Contribute to shared UI development using Compose Multiplatform, ensuring excellent rendering and performance on iOS 🔹Own iOS-specific platform integrations: Keychain, biometrics (Face ID/Touch ID), push notifications, deep linking, app lifecycle, permissions 🔹Bridge native iOS APIs (Swift/Objective-C) with the KMP shared layer using expect/actual and native interop 🔹Build, extend, and maintain Design System components in Compose Multiplatform — ensure iOS platform fidelity, consistency, and reusability across the product 🔹Participate actively in product discovery and sprint ceremonies — understand the why behind every feature, challenge assumptions, and propose better solutions 🔹Deliver working software in short iterations with high quality — own your work from concept through production 🔹Collaborate on architecture decisions and help establish best practices for KMP/CMP on the iOS side 🔹Write clean, testable, and well-documented code following Clean Architecture principles 🔹Conduct thorough code reviews focused on quality, consistency, and shared standards 🔹Manage iOS-specific build, signing, and App Store submission processes 🔹Collaborate closely with Android engineers, backend teams, QA, product managers, and designers in a cross-functional product team 🔹Continuously improve development processes, tools, and CI/CD pipelines 🔹Use Agentic Engineering tools (Claude Code, Cursor, GitHub Copilot) daily for code generation, refactoring, testing, and exploration Who Are We Looking For? ✅Minimum 5 years of professional experience in native iOS development ✅Expert-level proficiency in Swift; working knowledge of Objective-C for interop scenarios ✅Strong understanding of iOS platform internals: UIKit/SwiftUI lifecycle, Keychain, App Transport Security, entitlements, provisioning ✅Hands-on experience with Kotlin Multiplatform (KMP) integration in iOS projects ✅Working knowledge of Kotlin and Compose Multiplatform sufficient for daily contribution to shared code ✅Deep understanding of architecture patterns: MVVM, MVI, Clean Architecture ✅Experience working with and contributing to a Design System — building reusable UI components, maintaining component libraries, ensuring design-to-code fidelity across platforms ✅Proven ability to work in agile, cross-functional product teams — short iterations, continuous delivery, close collaboration with product and design ✅Experience with Xcode build system, CocoaPods/SPM integration with KMP frameworks ✅Solid experience with testing frameworks (XCTest, Quick/Nimble, and KMP shared test suites) ✅Proficiency with CI/CD tools and processes for mobile applications ✅Proficient, daily use of AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) — effective prompting, critical verification of outputs, integration into engineering workflows ✅Product thinking — ability to understand business context, empathize with users, and communicate trade-offs to non-technical stakeholders ✅Fluency in Polish and English (written and spoken) ✅Availability for occasional on-site sessions in Warsaw (workshops, kickoffs, planning events) ✅Ownership mindset — responsible for outcomes, not just tasks, with a proactive, can-do approach to problem-solving ✅Clear communicator and collaborative team player, comfortable working in a new and evolving team ✅Growth mindset with continuous learning and openness to experimenting with AI tools and sharing best practices Nice to have: ✅Experience in fintech or banking sector ✅Knowledge of security best practices for financial applications ✅Experience with iOS platform specifics (helpful for shared UI debugging) ✅Experience with feature flags and A/B testing frameworks ✅Familiarity with Ktor (client and/or server-side) ✅Contributions to open-source projects ✅Experience working at scale (large user base, complex systems) ✅Experience joining or building a team from scratch What Can You Expect from Us? 🌍Fixed-term contract – with the possibility of extension 🌍Career & Development – Trainings, workshops, and collaboration with top industry experts 🌍Exciting Challenges – Work with leading financial market brands and award-winning projects 🌍Supportive Team – Knowledge sharing during Wednesday Wisdom meetings & tech breakfasts 🌍Autonomy & Innovation – We welcome your ideas and initiatives 🌍Stable Collaboration – Clear, transparent B2B agreements in line with current regulations, ensuring mutual trust and predictability 🌍Work-Life Balance – Flexible working hours and a culture that values personal time 🌍Hybrid or Remote Work Model – It’s up to you 🌍Perks u0026amp; Benefits – Private medical care, Multisport card, English lessons, training budget, and more 🌍Trust & Transparency – Open communication and a culture of feedback Join us as a Senior iOS Engineer (Kotlin Multiplatform) and help shape cutting-edge cross-platform solutions while working in a collaborative, growth-focused team!

🏢 Summary: Senior iOS Engineer role focused on building, optimizing, and modernizing high-performing iOS applications in a mature Agile product environment. The position involves end-to-end ownership of mobile features, collaboration across teams, and driving scalable, maintainable solutions using modern iOS technologies. Candidates should have strong expertise in Swift, UIKit, architecture patterns, and mobile engineering best practices. 🗂️ Requirements: 5+ years of iOS development experience, Strong expertise in Swift, Experience with MVVM, Experience with Clean Architecture, Experience with modular app architecture, Experience with Combine, Experience with UIKit, Experience with SwiftUI, Experience with Cocoapods, Experience with SPM, Experience with dependency injection, Experience integrating RESTful APIs, Ability to analyze and improve app performance and memory usage, Experience with Git workflows and CI/CD, Experience working in Agile teams, English communication skills 📃 Skills: Swift, MVVM, UIKit, SwiftUI, Combine, Cocoapods, SPM, Git, CI/CD, REST, iOS 🏢 Description: We’re seeking an experienced Senior iOS Engineer to develop and optimize our iOS applications, using strong expertise in modern mobile technologies. You’ll be involved throughout the entire mobile app lifecycle, shaping features, designing software, and refining the user experience. We’re looking for someone who can contribute independently in a mature Agile product environment, taking ownership from refinement through delivery with minimal hand-holding. Your responsibilities: Build and maintain reliable, high-performing iOS apps. Write clean, efficient and testable Swift code. Work closely with engineering, product, design, and QA teams. Translate product requirements into solid technical solutions. Drive features independently from requirements clarification through implementation, QA collaboration, release readiness, and production support. Proactively identify risks, blockers, and ambiguities, and communicate them early with Product, QA, and Engineering. Contribute to high-quality engineering practices through thoughtful technical decisions, clear pull requests, and constructive code reviews. Refactor and modernize legacy code and support the transition toward a modular application architecture. We are looking for you, if you have: 5+ years of iOS development experience, ideally in product-driven or high-scale environments. Strong problem-solving skills and the ability to turn complex challenges into actionable steps. Focus on scalability, maintainability, and long-term platform health. Experience working in Agile teams with planning, estimation, and iterative delivery. Highly self-managed, dependable, and able to operate effectively with minimal supervision. Clear communicator who asks clarifying questions, keeps stakeholders informed, and follows through on commitments. Comfortable navigating ambiguity, prioritizing effectively, and proposing practical solutions in a fast-moving environment. Strong expertise in Swift, MVVM, Clean Architecture, and modular app architecture. Experienced with Combine, UIKit (mandatory), SwiftUI, Cocoapods, SPM, and dependency injection. Solid experience integrating RESTful APIs, data processing, and error management. Able to analyze and improve app performance, memory usage, stability, and responsiveness. Proven ability to deliver polished, intuitive, user-focused mobile interfaces. Confident with standard engineering workflows including Git, branching strategies, pull requests, code reviews, CI/CD, and release processes. Experience working in mature Agile product teams, including backlog refinement, sprint planning, QA collaboration, and iterative delivery. Excellent communication skills in English. We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.

🏢 Summary: Offer for a Senior iOS Developer to design and develop a modular, scalable iOS application, including payment modules and external integrations. The role involves architectural decision-making, building SwiftUI interfaces using MVVM/TCA, and implementing async solutions with Swift Concurrency and Combine. The position also includes testing, CI/CD processes, analytics integration, and close collaboration on product requirements. 🗂️ Requirements: Very good knowledge of Swift and iOS ecosystem, Experience with SwiftUI, Experience with MVVM or TCA architecture, Experience in designing modular and scalable iOS applications, Experience with Swift Concurrency (async/await) and Combine, Experience implementing payment modules, Knowledge of Accessibility principles, Experience integrating analytics or telemetry, Ability to write Unit Tests and UI Tests, Experience with Git, App Store Connect, certificates, provisioning profiles and CI/CD, Ability to translate product requirements into technical solutions, Experience evaluating and responsibly using AI-generated code, Fluent Polish and English 📃 Skills: Swift, iOS, SwiftUI, MVVM, TCA, Combine, SwiftConcurrency, Xcode, Git, CI/CD, AppStoreConnect, Accessibility, Analytics, UnitTesting, UITesting, AI 🏢 Description: Najważniejszym zasobem są ludzie - to dzięki nim nawet najtrudniejsze zadania stają się możliwe i przyjemne. Nasz zespół iOS właśnie taki jest! Obecnie szukamy świeżej energii, aby wzbogacić zespół utalentowanych Developerów z pasją do iOS. Szukasz pracy i możliwości rozwoju w ciekawym projekcie? Cenisz sobie otoczenie ludzi, którzy są pasjonatami programowania i chętnie dzielą się wiedzą oraz doświadczeniem? Aktualnie poszukujemy Senior iOS Developera , który dołączy do projektu realizowanego dla naszego klienta razem z najlepszymi specjalistami w tej dziedzinie! Czym będziesz się zajmować Projektowaniem i rozwijaniem modularnej architektury aplikacji iOS , która pozwala skalować produkt i niezależnie rozwijać jego poszczególne moduły, Tworzeniem oraz rozwijaniem modułów płatności i integracji z zewnętrznymi usługami, Ścisłą współpracą z zespołem domenowym przy definiowaniu wymagań – analizą potrzeb biznesowych, proponowaniem rozwiązań technicznych i współtworzeniem backlogu, Podejmowaniem decyzji architektonicznych i dbaniem o spójność rozwiązań w aplikacji, Rozwijaniem interfejsów użytkownika w SwiftUI z wykorzystaniem architektur MVVM / TCA oraz mechanizmów asynchroniczności Swift Concurrency (async/await) i Combine, Budowaniem rozwiązań z uwzględnieniem Accessibility oraz narzędzi analitycznych, Tworzeniem i utrzymaniem testów jednostkowych oraz UI, Aktywnym udziałem w code review oraz dzieleniem się wiedzą w zespole, Wykorzystywaniem narzędzi AI wspierających development w codziennej Czego oczekujemy Bardzo dobrej znajomości Swift oraz ekosystemu iOS, Doświadczenia w tworzeniu aplikacji w SwiftUI, Praktycznego doświadczenia w pracy z architekturami MVVM lub TCA, Doświadczenia w projektowaniu modularnych i skalowalnych aplikacji iOS, Doświadczenia w pracy z mechanizmami asynchroniczności Swift Concurrency (async/await) oraz Combine, Doświadczenia w implementacji modułów płatności, Znajomości zasad Accessibility , Doświadczenia w integracji analytics / telemetry, Umiejętności pisania Unit Tests oraz UI Tests, Doświadczenia w pracy z Git, App Store Connect, certyfikatami, provisioning profiles oraz CI/CD, Umiejętności analizy wymagań produktowych i przekładania ich na rozwiązania techniczne, Myślenia produktowego oraz poczucia odpowiedzialności za rozwijane rozwiązania, Umiejętności krytycznej oceny rozwiązań generowanych przez AI i ich odpowiedzialnego wykorzystania w procesie developmentu. Dobrej znajomości języka polskiego i angielskiego. Co oferujemy Rozwój: Współpracę w przy ciekawych i rozwojowych projektach lokalnych i międzynarodowych. Realny wpływ: Możliwość współtworzenia procesów technologicznych i wdrażania własnych innowacji w projektach. Benefity: Pakiet opieki medycznej, ubezpieczenie grupowe oraz kartę Medicover Sport. Elastyczność: Pracuj tak, jak lubisz - w 100% zdalnie lub hybrydowo z naszych biur w Katowicach, Bielsku-Białej, Gdańsku lub Toruniu . Jak wygląda proces rekrutacji? 📨Twoje zgłoszenie 🔊 Rozmowa HR 💻 Krótkie spotkanie techniczne z naszym Team Leaderem iOS 💻 Spotkania techniczne z naszym klientem 🤝 Feedback

🏢 Summary: Senior iOS Developer role focused on leading the modernization of a secure, high performance mobile SDK for fraud prevention and customer authentication in financial services. The position involves defining architecture, implementing core SDK components, and establishing standards for distribution, testing, and security across multiple iOS environments. The role requires close collaboration with cross functional teams to ensure scalability, compliance, and performance optimization. 🗂️ Requirements: 8+ years of iOS development experience, Strong proficiency in Swift, Experience with Objective C interoperability, Experience building and maintaining reusable iOS SDKs or frameworks, Knowledge of XCFramework, Swift Package Manager, and CocoaPods, Understanding of static and dynamic linking, module stability, library evolution, Experience optimizing application size and performance, Knowledge of iOS security concepts including Keychain and Secure Enclave, Experience with Instruments for performance analysis, Experience with XCTest and XCUITest, Familiarity with code signing and provisioning processes 📃 Skills: Swift, Objective-C, Combine, async/await, XCFramework, SwiftPM, CocoaPods, Keychain, SecureEnclave, AppAttest, DeviceCheck, XCTest, XCUITest, Instruments, BGTaskScheduler 🏢 Description: Project overview The project focuses on modernizing a mobile SDK used for digital fraud prevention and customer authentication in financial services. You will contribute to building a scalable, secure, and high performance SDK designed for integration into external applications across multiple environments. Team You will work in a distributed team of iOS engineers, backend engineers, and security specialists. The team collaborates closely across regions, following shared engineering standards and participating in design reviews and system level discussions. Position overview We are looking for a Senior iOS Developer who can lead technical design and implementation for an iOS SDK modernization initiative. You will define architecture, validate migration strategies, develop proof of concept components, and establish engineering standards for distribution, testing, and security. Technology stack Swift, Objective C, Combine, async await, XCFramework, Swift Package Manager, CocoaPods, Keychain, Secure Enclave, App Attest, DeviceCheck, XCTest, XCUITest, Instruments, BGTaskScheduler Responsibilities Lead technical design and implementation of iOS SDK components Define and maintain architecture aligned with enterprise standards Develop proof of concept solutions to validate design approaches Ensure SDK compatibility across multiple iOS versions and devices Establish guidelines for SDK distribution, integration, and versioning Collaborate with cross functional teams on security and compliance requirements Optimize application performance, memory usage, and energy efficiency Implement secure coding practices and support data protection mechanisms Drive testing strategies including unit, integration, and UI testing Contribute to code reviews and support engineering best practices Requirements 8+ years of experience in iOS development Strong proficiency in Swift and experience with Objective C interoperability Experience building and maintaining reusable iOS SDKs or frameworks Understanding of framework distribution using XCFramework, Swift Package Manager, and CocoaPods Knowledge of static and dynamic linking, module stability, and library evolution Experience managing dependencies and optimizing application size and performance Understanding of iOS security concepts including Keychain, Secure Enclave, and certificate pinning Familiarity with privacy and App Store compliance standards Experience with background execution models and related constraints in iOS Knowledge of performance analysis tools such as Instruments Experience with testing frameworks including XCTest and XCUITest Familiarity with code signing, provisioning, and distribution processes Nice to have Experience working in financial services or regulated environments Exposure to sensor data processing such as CoreMotion or gesture handling Experience contributing to enterprise architecture standards Background in security focused application development What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)