Jobs Mobile

We are looking for a skilled iOS Developer to join our FinTech team and contribute to building secure, high-quality mobile applications used in real financial scenarios. You will work closely with product, backend, and QA teams to deliver a seamless and reliable mobile experience.

Details

Location: Sofia, Bulgaria (office in city centre)

Employment Type: Full-time, remote

Start Date: ASAP

Language Requirements: English — B2 or higher

Key Responsibilities

Design, develop, and maintain iOS applications for FinTech products

Implement clean, scalable, and testable code following Apple best practices

Collaborate with backend developers to integrate APIs and financial services

Work closely with product managers, designers, and QA to deliver high-quality features

Ensure application performance, stability, and security

Participate in code reviews and contribute to continuous improvement of the codebase

Support release processes, bug fixing, and ongoing application optimization

Stay up to date with iOS platform updates, trends, and emerging technologies

Requirements

4+ years of professional experience in iOS development

Strong knowledge of Swift and iOS SDK

Experience with iOS application architecture (MVC, MVVM, or similar)

Hands-on experience integrating RESTful APIs

Solid understanding of mobile security best practices

Experience working with Git-based version control systems

Familiarity with Agile/Scrum development processes

Strong problem-solving skills and attention to detail

Ability to work independently and as part of a cross-functional team

English level B2 or higher

Nice to Have

Experience in FinTech, banking, payments, or lending applications

Experience with Combine, RxSwift, or SwiftUI

Knowledge of CI/CD pipelines for mobile applications

Experience with mobile testing frameworks and automation

We are looking for a skilled Android Developer to join our FinTech team and help build secure, high-performance mobile applications used in real financial scenarios. You will work closely with product, backend, and QA teams to deliver a reliable and intuitive Android experience.

Details

Location: Sofia, Bulgaria (office in city centre)

Employment Type: Full-time, remote

Start Date: ASAP

Language Requirements: English — B2 or higher

Key Responsibilities

Design, develop, and maintain Android applications for FinTech products

Write clean, scalable, and testable code following Android best practices

Integrate mobile applications with backend services and REST APIs

Collaborate with product managers, designers, backend developers, and QA engineers

Ensure high performance, stability, and security of mobile applications

Participate in code reviews and contribute to technical decision-making

Support release cycles, bug fixing, and continuous optimization

Stay up to date with Android platform updates and emerging technologies

Requirements

4+ years of professional experience in Android development

Strong knowledge of Kotlin (Java is a plus)

Experience with Android SDK, Jetpack components, and modern Android architecture (MVVM, Clean Architecture)

Hands-on experience integrating RESTful APIs

Solid understanding of mobile security principles and best practices

Experience with Git and version control workflows

Familiarity with Agile/Scrum development environments

Strong analytical and problem-solving skills

Ability to work independently while collaborating effectively in a team

English level B2 or higher

Nice to Have

Experience in FinTech, banking, payments, or lending applications

Experience with Coroutines, Flow, or RxJava

Knowledge of CI/CD pipelines for Android applications

Experience with automated testing (JUnit, Espresso, UI tests)

Experience publishing apps to Google Play

We have built a global connection platform that’s been thriving since 2019: today it brings together 600K MAU and 25K DAU, with around 7K new registrations every day. People across the US, Canada, UK, Europe, and the Middle East choose us daily to make real connections that matter.

Our clear ambition is to outperform competitors and become Top-1 in our category, and we are moving fast to make it happen. We are building the future of human connection through:

• AI-powered matching that actually works

• Scalable revenue streams, exploring streaming, new monetization models, and acquisition channels that truly convert

About your role: This role is for a Senior Android Engineer who wants to work with real scale, meaningful technical complexity, and visible product impact. You’ll build a mobile product used by 1M+ users across Tier-1 markets, with full technical ownership over features and architectural decisions. You’ll join a mature Android team with strong engineering standards, advanced code review, a well-established CI/CD setup, and a codebase evolving toward Kotlin Multiplatform.

In this role, you will

• Own and deliver Android features end to end, from decomposition and technical design to implementation and release
• Continuously improve the product through regular technical enhancements and refactoring
• Collaborate closely with other Android engineers, backend developers, and product teams
• Participate in advanced code reviews and contribute to shared engineering standards
• Work within a well-established CI/CD ecosystem with testing, code quality checks, and conventions
• Prepare and adapt the project architecture for future KMP integration

It’s all about you

• 4+ years of commercial experience in Android development
• Strong understanding and practical application of SOLID principles
• Production experience with Kotlin and KSP
• Experience working with Clean Architecture
• Hands-on experience with modularized Android projects
• Experience with MVI and the ability to design solutions based on product requirements
• Strong knowledge of MVVM
• Practical experience with Jetpack Compose and understanding of the composition process
• Confident use of Kotlin Coroutines
• Experience with Koin for dependency injection
• Skills in application profiling and performance optimization
• Experience working with Google Billing services

Will be a plus

• Experience or interest in Kotlin Multiplatform
• Experience with CI/CD pipelines and optimization processes

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Maternity recovery support allowance
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule 
• Modern equipment or depreciation of your own tools

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
   

Hiring process

• Intro call with recruiter
• Technical Interview
• Final Interview
• Reference check
• Offer

QIT Software is looking for a React Native Developer.

Project: 
This mobile application enables ranchers to build historical records of their animals through regular field observations. Each observation captures photos, a voice memo (transcribed on-device), GPS coordinates, and descriptive indicators. The data creates a living timeline per animal - surfacing health trends, grazing patterns, and missing/last-seen alerts.

Responsibilities:

- 4–5+ years of prior experience in mobile application development using React Native;

- Experience building a project from scratch and releasing an application to the App Store;
- Strong knowledge of GPS is a plus.

Work conditions:
- The ability to work remotely from anywhere in the world;
- Flexible work schedule, no micromanagement, no strict deadlines and free overtime work;
- Work in European and American products with a modern technology stack in different industries (Finance, Technology, Health, Construction, Media, etc.);
- Revision of wages every year or on an individual basis;
- Accounting support and full payment of taxes by the company;
- 100% compensation for remote English lessons;
- 15 paid leaves (PTO) and public holidays.

About Us:
We are a fast-growing product company focused on building high-quality mobile applications in fintech and lifestyle domains. We're expanding our team and looking for a proactive Middle Flutter Developer to work on long-term projects with solid architecture and clean code.
 

Responsibilities:

Develop and maintain cross-platform mobile applications using Flutter

Collaborate with UI/UX designers, product managers, and backend developers

Write clean, scalable, and well-documented code

Participate in code reviews and contribute to best practices

Debug and resolve technical issues across Android and iOS platforms

Requirements:

5+ years of experience with Flutter

Strong understanding of Dart and Flutter SDK

Experience working with RESTful APIs and third-party libraries

Familiarity with state management tools (e.g., Provider, Riverpod, Bloc)

Knowledge of Git and agile development methodologies

Basic understanding of native Android and iOS development is a plus

English — Upper Intermediate or higher

Nice to Have:

Experience with Firebase services

CI/CD knowledge (Codemagic, GitHub Actions, etc.)

Understanding of SOLID principles and clean architecture

We Offer:

Remote-first environment with flexible working hours

Supportive and friendly team

Opportunities for growth and professional development

Paid vacation and sick leave

About the Company:
Todor3D is an outsourcing company working with international clients on modern digital products. We are expanding our mobile team and looking for an experienced Android Developer who can contribute to architectural design and influence technical decisions.

Key Requirements:

• 3+ years of commercial experience in Android development
• Confident knowledge of Kotlin as the primary development language
• Experience with the modern Android stack (Jetpack libraries)
• Hands-on experience with Jetpack Compose
• Strong understanding of Android lifecycle and state management
• Experience working with MVVM
• Experience with Kotlin Coroutines and Flow
• Experience with local data persistence solutions (Room, DataStore, or similar)
• Experience writing and maintaining unit tests
• Experience publishing applications to Google Play
• Confident use of Git

Architectural Expertise:

• Experience designing application architecture from scratch
• Practical understanding and implementation of Clean Architecture
• Experience building modular project structures
• Clear separation of layers (presentation, domain, data)
• Designing scalable state management systems
• Experience implementing dependency injection (Hilt, Koin, or similar)
• Practical application of SOLID principles
• Experience refactoring and improving architecture in existing projects

• Ability to make and justify technical decisions

   

  Nice to Have:

• Experience with CI/CD for mobile applications
• Experience with performance profiling and optimization
• Experience working with multi-module projects
• Participation in code reviews and mentoring less experienced developers

Responsibilities:

• Design and maintain Android application architecture
• Implement complex features and business logic
• Optimize application performance and stability
• Participate in technical planning and task estimation
• Collaborate with backend, design, and management teams
• Maintain high standards of code quality

We Offer:

• Competitive salary based on experience
• Full-time employment
• Flexible working hours
• Remote work option
• Opportunity to work on modern, technology-driven projects

What to expect from our process

We keep our hiring process simple, focused. Here’s how it works:

1. Initial conversation 

A short intro call to get to know each other, discuss your background. 

2. Technical interview

A deep dive into your experience. 

3. Interview with CEO/COO

A final conversation focused on company vision and cultural fit. It’s also your chance to ask any big-picture questions.

On behalf of our Client, a well-established financial institution from the Caribbean region, Mobilunity is looking for a Senior React/React Native Developer for a long-term engagement.
 

Our Client is the largest bank in the Caribbean region that serves 14 countries/territories. The aim is to transform this organization from a traditional bank into a new era of fintech, leveraging the cutting-edge of current fintech offerings.

We’re looking for a Senior Web/Mobile Engineer to help shape and deliver scalable, secure, and high-performing client-facing applications. You’ll play a key role in driving technical quality - combining deep expertise in React and React Native development with strong architectural insight and hands-on implementation.

Responsibilities: 

• Develop and maintain responsive, high-performance web and mobile applications using React and React Native
• Write clean, maintainable, and efficient code following best practices and established coding standards
• Collaborate closely with product owners, designers, and other developers to define, design, and ship new features
• Participate in code reviews, offering and receiving constructive feedback to ensure code quality and consistency
• Implement unit and integration tests to ensure the reliability, scalability, and robustness of the application
• Debug, troubleshoot, and resolve performance issues across platforms

Requirements:

• Bachelor’s degree in Computer Science, Software Engineering, or related field
• Strong proficiency in React and React Native development
• Experience working with RESTful APIs, third-party libraries, and cloud-based integrations
• Solid understanding of modern front-end development tools (e.g., Redux, TypeScript, Webpack, ES6+)
• Strong problem-solving skills and attention to detail
• Excellent communication and teamwork skills
• English level: Upper-Intermediate or higher

In return, we offer:

• The friendliest community of like-minded IT people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Mobilunity Medical Insurance program is designed to meet our team’s needs
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• Perfect office location in the city center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
• No open-spaces setup – separate rooms for every team’s comfort, and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

We are seeking a highly skilled Senior iOS Developer proficient in Swift to join our dynamic team. As a Senior iOS Developer, you will be responsible for designing and implementing advanced applications for our utility suite on iOS devices. Your expertise will play a crucial role in enhancing our product functionality, performance, and overall user experience.

This is a project-based engagement (up to 3 months) with flexible working hours.

Responsibilities:

• Design and build advanced applications for the iOS platform using Swift from a scratch
• Collaborate with cross-functional teams to define, design, and ship new features.
• Unit-test code for robustness, including edge cases, usability, and reliability.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Ensure the performance, quality, and responsiveness of applications.

• Mentor junior developers and assist in their professional growth.

   

Requirements:

• Proven experience as an iOS Developer, with at least 5 years of experience in Swift  and launching iOS applications from scratch, including architecture design, implementation, testing, and App Store deployment.
• Solid understanding of the full mobile development life cycle.
• Experience with Core Data for local data storage and offline support.
• Experience with Vision framework for image analysis and processing.
• Experience with third-party libraries and APIs.
• Strong knowledge of iOS UI design principles, patterns, and best practices.
• Experience working with remote data via REST and JSON.
• Excellent problem-solving skills and analytical thinking.
• Ability to work independently and as part of a team in a fast-paced environment.

• Familiarity with PhotoKit and Image I/O is a plus.

   

Preferred Qualifications:

• Experience with Agile development methodologies.
• Familiarity with cloud message APIs and push notifications.
• Published applications on the App Store.
• Contributions to open-source projects.

About the Role

The client is developing a mobile loyalty platform for gamers, focused on game discovery, social interaction, and rewarding user engagement through a gamified experience.

The product already has tens of thousands of daily active users and features over 100 games on the platform. The company is in an active growth phase and is expanding its core engineering team to further scale the mobile application and improve product quality.

Responsibilities

• Build and maintain the iOS version of the mobile application using Swift
• Work with Kotlin Multiplatform for shared business logic
• Collaborate closely with the Android team on a modern, scalable mobile architecture
• Contribute to a high-quality, gamified user experience
• Participate in technical discussions, architecture decisions, and code reviews

Requirements

• 5+ years of software engineering experience
• 3+ years of experience developing production-grade native iOS applications using Swift
• Strong understanding of clean code, SOLID principles, and testing practices
• Experience with MVC / MVVM architectural patterns
• Good knowledge of iOS platform features and limitations

Nice to Have

• Experience with Kotlin Multiplatform (KMP)
• Background in consumer mobile applications, gaming, or gamification

What you'll do:

Design, build, and maintain iOS applications. Review pull requests and provide constructive feedback. Share knowledge with teammates on a regular basis. Attend daily calls with the project team.

What we expect:

2+ years of proven experience with Swift. Experience with CI tools (GitHub Actions, Travis, or Bitrise). Experience writing Unit Tests (XCTest or Quick/Nimble) and TDD. Strong experience building apps that communicate with peripherals over Bluetooth Low Energy. Ability to participate in specification, planning, and estimation of new product modules and features. Structured concurrency knowledge. English B2+ (written and spoken). Experience with IoT projects. Strong problem-solving mindset and out-of-the-box thinking. Commitment to high-quality coding standards and staying up to date with industry trends. Team-oriented and engaged.

Nice to have:

Experience with other mobile platforms or related technologies. Functional reactive programming knowledge. Scrum or other Agile experience. Passion for mobile and technology. Attention to detail.

Tools:

Jira, Confluence, Slack, Zoom, GSuite.

Project Description

Join our engineering team and help build a high-end SaaS navigation solution used by leading automotive OEMs and millions of drivers worldwide. Our product delivers on-demand fresh content, EV routing, charging station management, and seamless integration with a wide range of external services.

You will be part of the team responsible for the Core Engine of the application. Depending on the project stream, your role may involve developing new high-performance modules or enhancing and optimizing existing functionality. Your mission is to ensure complex business logic runs efficiently, reliably, and delivers a smooth user experience across both mobile and automotive platforms.

If you’re passionate about building reliable, high-performance Android applications and want to contribute to cutting-edge navigation technology used in the automotive world – we’d love to hear from you!

Job Description

• 8+ years of professional experience in Android development
• Min 1 year of experience with Jetpack Compose
• Hands-on development experience using Java and Kotlin (Flutter and C++ knowledge is a plus)
• Solid understanding of Android SDK, architecture principles, and best practices
• Experience integrating third-party libraries and APIs
• Familiarity with agile development methodologies and tools (Git, Jira, Confluence)
• Excellent problem-solving and debugging skills
• Strong communication and collaboration abilities
• Ability to manage multiple tasks and deliver projects on time
• Fluent verbal and written English

Job Responsibilities

• Design, develop, and maintain advanced Android applications.
• Collaborate with cross-functional teams to define, design, and deliver new features.
• Work closely with UI/UX designers to build intuitive and visually appealing user interfaces.
• Optimize app performance with a focus on responsiveness, speed, and battery efficiency.
• Troubleshoot, analyze, and resolve application issues.
• Integrate third-party libraries and APIs.
• Ensure compatibility across a wide range of Android devices and OS versions.
• Write clean, maintainable, and testable code that follows best Android development practices.
• Participate in code reviews to maintain high code quality and encourage knowledge-sharing.
• Create and maintain technical documentation and specifications.
• Stay up-to-date with the latest Android tools, frameworks, and technologies.

Hi! We are looking for a highly motivated iOS Developer, to join our fast-growing team. We are eager and creative professionals, who like challenges.

If you like it too, don’t hesitate, join us!

Key Responsibilities:

• Develop and maintain iOS applications for our clients.
• Participate in the full development cycle, including requirements analysis, design, development, testing, and deployment.

• Optimize applications to achieve the best performance and efficiency.

   

Requirements:

• Education in computer science, programming, or a related field.
• Understanding of basic iOS application development principles and proficiency in Swift.
• Basic knowledge of object-oriented programming (OOP) and design patterns.
• Experience with iOS development tools such as Xcode, Interface Builder, and other auxiliary tools.
• Ability to work in a team and communicate effectively.
• Ability to quickly learn and apply new concepts and technologies.
• Knowledge of Swift design principles, Cocoa Touch, SwiftUI, and OOP.
• Experience working with native libraries like UIKit and Core.
• Understanding and practical experience in navigation and routing in applications.
• Understanding of Apple's user interface design principles, human interface guidelines, and patterns is mandatory.
• Understanding of REST APIs and WebSockets.
• Understanding and experience with OAuth.
• Understanding of MVP, MVC, MVVM, and Dependency Injection principles.
• Understanding of the full mobile development lifecycle, including code signing and submission to the App Store.
• Understanding of how to publish and maintain one or more iOS apps in the App Store.
• Strong analytical and problem-solving skills.
• Understanding of reactive programming paradigms (Combine, RxSwift).
• Understanding of DeFi.
• Understanding of in-app payment integration.
• Understanding of mobile application architecture.
• Understanding of dynamic runtime environments.

We Offer:

• Competitive salary.
• Flexible working hours and the ability to work remotely (one day per week).
• Working hours: 09:00 — 18:00.
• Paid vacations and sick leave.
• Comfortable office environment.
• Corporate events.
• Cozy and friendly working environment.
• Opportunities for professional growth and self-development.

• Coffee, cookies, etc.

   

If you are eager to work in an innovative environment, we would be delighted to welcome you to our team. Thank you for your interest in the vacancy at ELDEVELOP.

Approximate start: 23.02.2026

Candidate profile: Senior Kotlin developer, 
5+ years of commercial experience; 
background in fintech/payment/banking; 
English B1+; 
EU-based.

Core skills: Kotlin, Spring Boot, REST, JSON, HTTP, microservices, Apache Camel/Kafka, SQL & NoSQL (PostgreSQL, MongoDB), Elasticsearch, Redis, Temporal, CI/CD (GitHub Actions/Jenkins/GitLab CI), AWS/GCP, Docker, Kubernetes, security (OAuth2/JWT/HTTPS), testing (JUnit, Mockito, Testcontainers), event‑driven architecture.

Location: EU

About the project:

We are building a new mobile application from scratch for a scalable SaaS platform in the real estate domain. The product is designed with a white-label architecture, supporting multiple brands, customizable theming, and modular feature delivery. You’ll be involved from the early stages, influencing architecture, technical decisions, and development standards.

Tech stack:

• Flutter (latest stable)

• Dart

• REST APIs

• State management (Riverpod / Bloc / Provider — based on experience)

• Modular architecture

• CI/CD for mobile (Firebase, Codemagic or similar)

Responsibilities:

• Build a cross-platform mobile application from scratch using Flutter

• Design and implement scalable app architecture and project structure

• Develop reusable, theme-aware UI components

• Integrate the app with backend APIs (auth, caching, data sync)

• Ensure performance, stability, and maintainable codebase

• Participate in code reviews and mentor junior developers

Requirements:

• 3+ years of mobile development experience

• Strong experience with Flutter and Dart

• Experience starting projects from scratch and setting up architecture

• Solid understanding of state management and app lifecycle

• Experience integrating REST APIs and handling authentication

• Experience publishing apps to App Store and Google Play

• Experience with Firebase (Auth, Analytics, Crashlytics)

Nice to have:

• Experience with white-label or multi-brand applications

• Knowledge of native Android (Kotlin) or iOS (Swift) basics

Interview process:

2 stages:

1. Introductory call with HR

2. Technical interview

We are looking for a Middle Flutter Developer to join the development of a modern rental marketplace platform.

Project Description

The platform is a rental marketplace that brings together individuals and businesses into one unified ecosystem. The core idea is simple: users can rent out or rent items, spaces, vehicles, tools, or skills. The platform enables private individuals to monetize assets they already own - such as trailers, storage spaces, tools, or personal expertise - while providing renters with convenient and local access to the resources they need.

Requirements

• 2–4 years of commercial experience in Flutter mobile development
• strong knowledge of Dart and Flutter, including experience with BLoC-based architecture
• experience working with Firebase or similar backend services
• understanding of cloud services configuration, CI/CD processes, and app store publishing
• strong collaboration and communication skills, with the ability to work effectively both within and outside the engineering team
• experience working in an English-speaking environment or team
• ability to demonstrate real, production-ready applications from portfolio

We Offer

• well-established and documented development processes, knowledge base, and technical solutions
• interesting and challenging projects
• personal development plan
• 20 paid vacation days per year
• public holidays off
• fully remote work

Hiring Process

• pre-screening interview (45-60 minutes)
• technical interview (60 minutes)