Jobs Mobile

iOS Developer (Middle/Senior) — Next Era Solutions
Remote | Full-Time | Outstaff

About Next Era Solutions

Next Era Solutions is a mobile development team with 7+ years of experience delivering complex apps on time and within budget. We combine strong engineering practices, modern technology, and clear communication to help clients build reliable, user-friendly mobile products across different industries.

Engagement & Hiring Timeline

• Format: outstaff cooperation, full-time 40 hours/week, fully remote
• Fast 15-minute screening call (intro + expectations + quick fit check)
• Candidate confirmation typically takes about 2 weeks on average, but it can take up to 1 month depending on the client’s approval process

What you’ll do

• Build and maintain iOS applications using Swift
• Implement new features, improve existing modules, and refactor code for long-term maintainability
• Design app architecture and make technical decisions (MVVM/Clean Architecture; modularization as needed)
• Integrate with backend services via REST APIs and/or GraphQL
• Work with persistence, networking, and concurrency; ensure stability and performance
• Write tests (unit/UI), participate in code reviews, and follow release best practices
• Collaborate with product/design/backend; communicate with the client to clarify requirements and propose solutions
• For Senior level: lead technical initiatives, improve engineering standards, mentor teammates

Typical stack (varies by project)

• Swift, SwiftUI and/or UIKit
• Architecture: MVVM, Clean Architecture, modularization
• Networking: REST, GraphQL
• Storage: Core Data, Realm, SQLite
• Tools: Git, Xcode, Fastlane/CI, Firebase, Figma

What we’re looking for

• 3+ years of commercial iOS development experience (Middle/Senior level)
• Strong Swift skills; solid understanding of iOS app lifecycle and platform guidelines
• Experience shipping and maintaining production apps on the App Store
• Understanding of architecture patterns, dependency management, and clean code practices
• Confident API integration experience (REST and/or GraphQL), error handling, async flows
• English level: B2 or higher for day-to-day communication

Nice to have

• Swift Concurrency, Combine, advanced performance profiling
• Push notifications, in-app purchases/subscriptions, deep links
• Experience with fintech/e-commerce or high-traffic apps
• Experience working directly with international stakeholders

What we offer

• Full-time remote work 40 hours/week
• Long-term outstaff collaboration with stable workload
• Modern projects, clear processes, and a supportive engineering team
• Flexible location and schedule (results-focused)
• A major advantage: we support multiple payment options and can arrange the most convenient format for you (depending on your location and preferences)

How to apply

Apply and we’ll schedule a quick 15-minute screening call. If everything matches, we’ll guide you through the next steps and aim to confirm the candidate within about 2 weeks on average (up to 1 month depending on the client).

Android Developer (Middle/Senior) — Next Era Solutions
Remote | Full-Time | Outstaff

About Next Era Solutions

Next Era Solutions is a mobile development team with 7+ years of experience delivering complex apps on time and within budget. We combine strong engineering practices, modern technology, and clear communication to help clients build reliable, user-friendly mobile products across different industries.

Engagement & Hiring Timeline

• Format: outstaff cooperation, full-time 40 hours/week, fully remote
• Fast 15-minute screening call (intro + expectations + quick fit check)
• Candidate confirmation typically takes about 2 weeks on average, but it can take up to 1 month depending on the client’s approval process

What you’ll do

• Build and maintain Android applications using Kotlin
• Deliver new features, refactor legacy code, and improve performance and stability
• Design and evolve architecture (MVVM/Clean Architecture; modularization when needed)
• Integrate with backend services via REST APIs and/or GraphQL
• Work with local storage, background tasks, and app lifecycle; ensure reliable releases
• Write tests (unit/UI), participate in code reviews, and improve team engineering practices
• Collaborate with product/design/backend; communicate with the client to clarify requirements and propose solutions
• For Senior level: take ownership of technical direction, mentor engineers, drive quality improvements

Typical stack (varies by project)

• Kotlin, Coroutines, Flow
• UI: Jetpack Compose and/or XML Views
• Architecture: MVVM, Clean Architecture, modularization
• Networking: Retrofit/OkHttp, REST, GraphQL
• Storage: Room, DataStore, SQLite
• Tools: Git, Android Studio, Gradle, CI/CD, Firebase, Figma

What we’re looking for

• 3+ years of commercial Android development experience (Middle/Senior level)
• Strong Kotlin skills; solid understanding of Android platform fundamentals
• Experience shipping and maintaining production apps on Google Play
• Good architecture knowledge, clean code mindset, and independence in delivery
• Hands-on experience with API integration (REST and/or GraphQL), async, error handling
• English level: B2 or higher for technical communication

Nice to have

• Jetpack Compose in production, performance optimization, profiling
• Push notifications, in-app purchases/subscriptions, deep links
• Experience with fintech/e-commerce or large-scale apps
• Client-facing experience and strong ownership

What we offer

• Full-time remote work 40 hours/week
• Long-term outstaff collaboration with stable workload
• Modern projects, clear processes, and a supportive engineering team
• Flexible location and schedule (results-focused)
• A major advantage: we support multiple payment options and can arrange the most convenient format for you (depending on your location and preferences)

How to apply

Apply and we’ll schedule a quick 15-minute screening call. If everything matches, we’ll guide you through the next steps and aim to confirm the candidate within about 2 weeks on average (up to 1 month depending on the client).

Flutter Developer (Senior) — Next Era Solutions
Remote | Full-Time | Outstaff

About Next Era Solutions

Next Era Solutions is a mobile development team with 7+ years of experience delivering complex apps on time and within budget. We combine strong engineering practices, modern technology, and clear communication to help clients build reliable, user-friendly mobile products across different industries.

Engagement & Hiring Timeline

• Format: outstaff cooperation, full-time 40 hours/week, fully remote
• Fast 15-minute screening call (intro + expectations + quick fit check)
• Candidate confirmation typically takes about 2 weeks on average, but it can take up to 1 month depending on the client’s approval process

What you’ll do

• Own the technical delivery of Flutter applications: architecture, quality, and maintainability
• Design and implement scalable features, improve performance, and lead refactoring initiatives
• Define and enforce engineering standards (code style, reviews, testing strategy, release discipline)
• Make architecture decisions (BLoC/Provider/Riverpod/Clean Architecture; modularization where needed)
• Integrate complex backend systems via REST APIs and/or GraphQL; ensure reliability and observability
• Drive CI/CD and release processes for Google Play and the App Store; reduce delivery cycle time
• Collaborate with product, design, and backend teams to clarify requirements, estimate work, and manage technical risks
• Support client communication: propose solutions, explain trade-offs, and align on implementation details
• Mentor engineers, provide feedback, and improve team practices through code reviews and technical guidance

Our typical tech stack

• Flutter 3+, Dart
• Architecture: BLoC, Provider, Riverpod, Clean Architecture
• Networking: REST, GraphQL
• Storage: Hive, SharedPreferences, SQLite
• Tools: Git, Firebase, Postman, Figma, CI/CD

What we’re looking for

• Senior level: 5+ years of commercial mobile development, including 3+ years with Flutter in production (or equivalent strong Flutter track record)
• Deep knowledge of Flutter/Dart, state management, performance profiling, and debugging
• Proven experience shipping and maintaining production apps on Google Play and the App Store
• Strong architecture background (modularization, dependency management, clean boundaries, testable design)
• Solid testing mindset: unit/widget/integration tests; confidence with code review practices
• Experience working with APIs (REST/GraphQL), authentication, offline-first considerations, and error handling
• English level: B2 or higher (calls, written communication, requirement discussions)

Nice to have

• Firebase (Crashlytics/Analytics/Remote Config), push notifications, in-app purchases/subscriptions
• Animations and advanced UI (Rive/Lottie), custom rendering, complex UI states
• Experience with fintech/e-commerce or high-scale products
• Experience leading initiatives (migration, architecture redesign, performance program)
• Familiarity with security best practices in mobile apps

What we offer

• Full-time remote work 40 hours/week
• Long-term outstaff collaboration with stable workload
• Modern projects, clear processes, and a supportive engineering team
• Flexible location and schedule (results-focused)
• A major advantage: we support multiple payment options and can arrange the most convenient format for you (depending on your location and preferences)

How to apply

Apply and we’ll schedule a quick 15-minute screening call. If everything matches, we’ll guide you through the next steps and aim to confirm the candidate within about 2 weeks on average (up to 1 month depending on the client).

Flutter Developer (Middle) — Next Era Solutions
Remote | Full-Time | Outstaff

About Next Era Solutions

Next Era Solutions is a mobile development team with 7+ years of experience delivering complex apps on time and within budget. We combine strong engineering practices, modern technology, and clear communication to help clients build reliable, user-friendly mobile products across different industries.

Engagement & Hiring Timeline

• Format: outstaff cooperation, full-time 40 hours/week, fully remote
• Fast 15-minute screening call (intro + expectations + quick fit check)
• Candidate confirmation typically takes about 2 weeks on average, but it can take up to 1 month depending on the client’s approval process

What you’ll do

• Develop and maintain cross-platform mobile applications using Flutter (Dart)
• Implement new features, improve existing functionality, and refactor code for scalability
• Apply solid architecture practices (BLoC/Provider/Riverpod/Clean Architecture depending on the project)
• Integrate mobile apps with backend services via REST APIs and/or GraphQL
• Write unit/widget/integration tests and participate in code reviews
• Support release processes for Google Play and the App Store, including CI/CD where applicable
• Collaborate with designers, PMs, and backend engineers; clarify requirements with the client when needed

Our typical tech stack

• Flutter 3+, Dart
• Architecture: BLoC, Provider, Riverpod, Clean Architecture
• Networking: REST, GraphQL
• Storage: Hive, SharedPreferences, SQLite
• Tools: Git, Firebase, Postman, Figma, CI/CD

What we’re looking for

• Middle level: 3+ years of commercial, production Flutter experience
• Strong Flutter/Dart fundamentals and hands-on experience with real-world app maintenance
• Experience publishing and supporting apps on Google Play and the App Store
• Good understanding of architecture patterns and clean, maintainable code practices
• Proven API integration experience (REST and/or GraphQL), async flows, error handling
• English level: B2 or higher (calls, written communication, requirement discussions)

Nice to have

• Firebase, push notifications, in-app purchases/subscriptions
• Performance optimization, animations (Rive/Lottie)
• Experience with e-commerce/fintech or large-scale apps
• Direct communication with international stakeholders

What we offer

• Full-time remote work 40 hours/week
• Long-term outstaff collaboration with stable workload
• Modern projects, clear processes, and a supportive engineering team
• Flexible location and schedule (results-focused)
• A major advantage: we support multiple payment options and can arrange the most convenient format for you (depending on your location and preferences)

How to apply

Apply and we’ll schedule a quick 15-minute screening call. If everything matches, we’ll guide you through the next steps and aim to confirm the candidate within about 2 weeks on average (up to 1 month depending on the client).

Senior React Native Developer

Kyiv

Delasport — Implementing Technological Solutions Here and Now.

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are looking for the top talents to join our team in R&D centre in Kyiv.
 

RESPONSIBILITIES:
Build and evolve modern front-end applications using React and React Native

• Collaborate closely with backend teams to integrate RESTful and GraphQL APIs
• Refactor and enhance legacy implementations while improving test coverage and maintainability
• Troubleshoot and optimize performance across multiple environments and platforms
• Contribute to architecture discussions, release processes, and continuous improvement initiatives
• Shape development workflows, tools, and CI/CD pipelines for maximum efficiency
• Participate in planning and syncs, helping to ensure smooth, timely delivery
   

REQUIREMENTS:

• 5+ years of professional front-end development experience
• 3+ years of hands-on experience with React and React Native
• Strong knowledge of TypeScript, ES6+, hooks, and context API
• Solid understanding of mobile app lifecycle, background handling, and performance optimization
• Experienced with GraphQL, REST, WebSockets, and debugging tools (React DevTools, Chrome Debugger)
• Familiar with automated testing and clean coding principles
• Bonus points for experience with Expo, Vue.js, or PHP
• A proactive, self-driven engineer who communicates clearly and thrives in a collaborative, fast-paced environment
   

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

We are looking for a prospective and ambitious Senior/Lead Android Engineer to join our team in Lviv!

Responsibilities:

• Working on creating an Android native application
• Be aligned with UX/UI, Test, and iOS development teams on requirements and specifications
• Understand current application workflows and provide maintenance help when necessary
• Provide technical support and act as a Subject Matter Expert in Android app development and maintenance
• Collaborate with the Mobile Architect, Team, PM, PО, and Designer to develop roadmaps and features to delight our product 
• Be able to deal with issues and feel a deep need to share the experience with others 
• Building technology in the right direction: for us, this means simple, organized, well-tested systems that gradually grow over time, and that provide plenty of insight into production performance

Requirements:

• 6-7+ years’ experience in Java, Kotlin (Coroutines, Flows), and Android development with recent Android SDKs and Material Design concepts
• Experience with multi-threading, memory management, and caching mechanisms specific to mobile devices
• Knowledge about the Android ecosystem, tooling, and libraries
• Good understanding of software design patterns such as MVP, and MVVM, and experience implementing them in Android applications
• Experience with DI framework Koin
• Experience with BLE 
• Ability to break complex problems down into smaller components that are loosely coupled and testable 
• Experience with unit testing and automated UI testing
• Experience with VoIP will be a plus
• AI experience in building intelligent mobile experiences is a strong plus 
• Experience with OTA and JNI will be a plus
• Experience operating in a Scrum environment and a thorough understanding of Lean/Agile principles 
• Upper-Intermediate English level 

The ideal candidate is also:  

• Has an Agile mindset and is a good team player 
• Is pragmatic: gets things done, can find a creative compromise between an ideal technical solution and actual client needs 
• Can analyze, plan, and estimate requirements as well as identify risks involved and provide solutions to them

We offer:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

A direct contract with the product company (PropTech, US).

Work schedule: remote CET business hours.

We’re offering a long-term opportunity for a highly senior React Native expert to join the platform engineering team. You’ll shape architecture, build native bridges, own Fastlane pipelines, and drive.

About Elevated Living Product:

Elevated Living has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.

About the role: 

We’re looking for a Senior React Native engineer to strengthen our platform engineering team. You’ll architect core mobile systems, build native-to-RN bridges, manage Fastlane pipelines, and lead OTA update strategies for a high-impact US product.

Requirements:

Advanced platform & mobile engineering skills (core for this Senior role):

Experience with Fastlane build pipelines

Ability to write Native to React Native Bridges (iOS and/or Android)

Experience with CodePush and/or Expo Updates.

Other essential skills:

5+ years of development experience with React Native

Practical knowledge of Vanilla JavaScript and TypeScript

Experience working with REST APIs

Hands-on experience with state management: Redux, Context API or MobX

Strong understanding of ECMAScript specifications

Good knowledge of Git and modern branching workflows

English — Upper-Intermediate+

Recruitment process: intro (HR) -> technical -> final with PM

We are building one of the most powerful live-streaming platforms, already connecting 400K+ monthly active users through live events, interactive video chats, and real-time community experiences. Our mission is bold: bring joy, fight loneliness, and deliver safe, ad-free entertainment that keeps people coming back. This is a complex, fast-moving space, and we love it that way! So, you will join a passionate, expert team tackling everything from scaling AI-powered recommendations to launching high-impact, data-driven features that boost monetization and engagement. Every idea counts here, and every release reaches a massive global audience.

Now, we are expanding into Arab countries and Europe, enhancing content quality, and rolling out new features to keep users hooked. We are among the Top 5 streaming products in the US and rank in the Top 10 worldwide. Our next milestone: break into the global Top 5, and we are moving fast to make it happen.

So, we are looking for a Middle Android Developer to join our engineering team. You will be involved in building a scalable Android application, using up-to-date technologies and best engineering practices

In this role you will
 

• Develop and maintain a high-performance Android application using modern development approaches
• Write clean, testable, and maintainable code
• Participate in technical decision-making and contribute to building scalable application architecture
• Work on improving user experience and key product metrics
• Collaborate with cross-functional teams (Android, backend, design, product) during ideation, design, and feature development
• Take part in code reviews and share best engineering practices within the team

 It’s all about you

• 2+ years of experience in native Android development
• Strong practical experience with Kotlin
• Hands-on experience with Coroutines and Flow
• Strong proficiency in Jetpack Compose
• Experience working with multi-module projects
• Deep understanding of the Android SDK
• Solid knowledge of SOLID principles, Clean Architecture, and MVI/MVVM patterns
• Strong focus on writing high-quality, clean, and testable code
• Experience with Dagger 2 / Hilt
• Practical experience with third-party libraries such as Room, Retrofit, OkHttp, Glide, etc.
• Intermediate English or higher

Would be a plus
 

• Strong interest in modern software development trends
• Experience with CI/CD pipelines
• Knowledge of mobile application performance optimization techniques

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
• 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
• Technical interview
• Final interview 
• Reference check
• Offer

About the project

Quintagroup is looking for a Mobile App Developer to help us build and support mobile applications for e-commerce products based on Shopify.
Our clients are international Shopify store owners (US/UK/EU) who want to extend their online shops with high-quality mobile apps for iOS and Android.

We are open to:

• classic mobile development (React Native, Flutter, native iOS/Android), and/or
• no-code / low-code development using popular Shopify mobile app builders (for example Tapcart, Vajro, Shopney, Appbrew, MobiLoud or similar). mobiloud.com+1

TECH & ENVIRONMENT

• Shopify ecosystem: Storefront API, Admin API (REST / GraphQL)
• Mobile (for code devs): React Native / Flutter / Swift/SwiftUI / Kotlin/Jetpack Compose or similar
• No-code: experience with Shopify mobile app builders (Tapcart, Vajro, Shopney, MobiLoud, Appbrew, MageNative, etc.) inBeat+1
• Backend/API integration: JSON, REST, GraphQL
• CI/CD, Git, code review
• Cloud (AWS / GCP / Azure) – as a plus

RESPONSIBILITIES

• Build and maintain mobile shopping apps for Shopify stores
  • either with a mobile framework (React Native / Flutter / native),
  • or using no-code/low-code Shopify app builders
• Implement features: catalog, product pages, search, cart, checkout, user accounts, push notifications
• Integrate apps with Shopify and other e-commerce APIs
• Work with designers to deliver clean and user-friendly UX
• Participate in planning, estimation, and technical decisions
• Communicate with international team and product owners (US/UK/EU)

REQUIREMENTS

You can fit this role via one of two tracks:

1) CODE TRACK

• 3+ years of commercial experience in mobile development
• Experience with at least one modern mobile stack:
  React Native or Flutter or native iOS (Swift/SwiftUI) or native Android (Kotlin/Java)
• Experience integrating mobile apps with REST and/or GraphQL APIs
• Experience with e-commerce / payments / user authentication in mobile apps

2) NO-CODE TRACK

• Practical experience building and launching mobile apps for Shopify stores using mobile app builders (e.g. Tapcart, Vajro, Shopney, MobiLoud, Appbrew, MageNative or similar) inBeat+1
• Understanding of how to configure navigation, product/catalog views, checkout, push notifications, and basic analytics in such platforms
• Experience in working with Shopify admin, themes, and apps

For both tracks:

• Understanding of App Store / Google Play basics (publishing, updates)
• Solid Git workflow and ability to work in a team-oriented, collaborative environment
• Willingness to share knowledge with the team
• English: Intermediate+ for communication with international stakeholders

WILL BE A PLUS

• Direct experience with Shopify Storefront / Admin API
• Experience with other e-commerce platforms (Magento, WooCommerce, BigCommerce, etc.)
• Experience with AWS / GCP / Azure for backend and integrations
• Experience with analytics, crash reporting, performance monitoring tools
• Experience with white-label or multi-tenant mobile apps

METHODOLOGIES & TOOLS

• Scrum (2-week sprints)
• Jira / ClickUp or similar

• Code review, pull requests, CI/CD

   

WE OFFER

• Long-term projects with international clients
• A company with strong expertise in web and cloud development (Python/Django, React, AWS, etc.) for more than 20 years
• Health insurance
• Different work models: remote, office (Lviv), or hybrid
• Projects in AWS, Azure, GCP
• Domains: FinTech, EdTech, GovTech, IoT, e-commerce, marketplaces, e-auctions, e-learning, public procurement
• Interesting tasks and possibilities for career and professional growth
• Friendly atmosphere and good working conditions
• Regular team-buildings and corporate events
• Online English classes
• Experience with new technologies and modern architectures

Location: Remote

About Elevated Living Product

Elevated Living has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.

About the role: 

We’re looking for a senior React Native engineer to strengthen our platform engineering team. You’ll architect core mobile systems, build native-to-RN bridges, manage Fastlane pipelines, and lead OTA update strategies for a high-impact US product.

What skills are essential to us?
 

• 5+ years of development experience with React Native
• Practical knowledge of Vanilla JavaScript and TypeScript
• Experience working with REST APIs
• Hands-on experience with state management: Redux, Context API or MobX
• Strong understanding of ECMAScript specifications
• Good knowledge of Git and modern branching workflows
• English — Upper-Intermediate+

Advanced platform & mobile engineering skills (core for this Senior role):

• Understanding of Fastlane build pipelines
• Ability to write Native to React Native Bridges (iOS and/or Android)
• Experience with CodePush and/or Expo Updates

• Project Description:

  Our Client is one of the leading manufactures of dental and oral health products. As part of Company strategic evolution, we participate in development of a new cloud platform which will combine high quality of current intellectual property Company has, with power of Cloud technologies. As part of team you will have unique chance to increase quality of dental services all over the world and work with professionals from all over the world on high loaded demanded system.

• Responsibilities:

  - Development of company-wide UI component library
  - Participation in the code review process
  - Collaborative work in an Agile environment together with the engineering team and product owners

• Mandatory Skills Description:

  - Total years in IT: 5+ years
  - Flutter (4+ of commercial experience with Flutter). In-depth Flutter framework knowledge
  - Experience in building/publishing software libraries for use by other parties
  - Dart
  - Languages: English at least Upper-Intermediate, preferably Advanced

• Nice-to-Have Skills Description:

  - Experience with the development of web applications
  - Bitbucket
  - Jira/Xray
  - Google Cloud Platform CI/CD
  - Scrum framework

• Languages:
  • English: C1 Advanced

N-iX is looking for a Lead/Senior Kotlin Engineer to join our team.

Our customer is a fintech company that provides flexible buy-now-pay-later solutions, enabling consumers to split purchases into transparent, interest-free, or interest-based payments. The customer's Platform team is responsible for managing critical services that are essential to the success and sustainability of the organization. 

In simple terms, the team handles transactional communication send-outs to customers via email, SMS, and push notifications. These services demand attention to detail, proactive maintenance, and swift response times to ensure seamless operations. 

The recent high-priority initiatives include re-architecture/platform modernization, high availability, and internationalization efforts; these are vital for our organization's growth and competitiveness in the market. These initiatives require dedicated expertise and resources to execute efficiently and effectively.

Main Responsibilities:

• Design and develop a robust and extensible Kotlin framework and platform.
• Own and deliver quarterly goals by leading engineers through ambiguity to solve open-ended problems while ensuring team support throughout delivery.
• Collaborate across the product development lifecycle with product management, design, and analytics to participate in ideation and articulate technical constraints.
• Drive decision-making and risk assessment by partnering on strategic technical choices that properly consider trade-offs and business impact.
• Proactively identify and resolve systemic issues across projects, processes, and technology, advocating for and leading the implementation of solutions.
• Ensure operational excellence and availability by creating and monitoring metrics, supporting "keep the lights on" efforts, and participating in an on-call rotation.
• Foster a culture of quality and ownership by setting high standards for code reviews and design, and advocating for best practices through technical writing and talks.

• Mentor engineering talent by providing actionable feedback, guidance, and leading by example to grow the team's capabilities.

   

Role Requirements:

• At least 5 years of proficiency in Kotlin with extensive experience designing, developing, and launching backend systems at scale
• Deep experience with distributed systems and high-availability architectures
• Experience in technical leadership in system design, with a proven ability to deliver significant features using elegant, simple, and extensible designs
• Strong infrastructure knowledge, including technologies such as AWS, MySQL/DynamoDB, and Kubernetes
• Proficiency in large-scale codebase management, utilizing a suite of tools and practices that ensure safe and efficient technical changes
• Experience in operational monitoring, including the use of metrics and tracing to maintain system health
• Excellent collaboration skills for effective partnership with global, cross-functional engineering teams
• Well spoken and written knowledge of the English language (C1)

WebParsers is looking for a skilled iOS Reverse Engineer to join our team. This is a full-time remote role focused exclusively on reverse engineering iOS apps for data extraction, traffic analysis, and security bypass. You’ll work with tools like Frida, LLDB, Hopper, and Burp Suite to analyze app internals and defeat protections such as SSL pinning, jailbreak detection, and obfuscation.

We offer a flexible schedule, a collaborative environment, and the chance to work on technically challenging projects that push your skills.

Required Skills

• 1+ years of iOS reverse engineering experience
• Strong knowledge of Objective-C, Swift, Mach-O binaries, and iOS runtime
• Hands-on experience with Frida, Burp Suite, and traffic interception
• Ability to bypass SSL pinning, jailbreak/root detection, anti-debugging, and obfuscation
• Static and dynamic analysis with tools like Hopper, IDA Pro, Ghidra, class-dump, otool
• Strong understanding of networking, encryption, and iOS security mechanisms
• Ability to work independently and clearly document findings
• Strong communication and English skills (B1 or higher)

Our Customer is a top-tier Digital Innovation and Software Engineering company delivering cutting-edge solutions for fast-growing businesses and enterprises. We specialize in FinTech, Renewable Energy, and Healthcare, with deep expertise in AI, Blockchain, and Data Science.
 

With a global team of 200+ professionals, we build innovative digital products that create sustainable business value and strengthen our clients’ competitiveness in an evolving digital landscape.
 

Project Overview

You will be working on one of the first licensed digital asset banks powered by Blockchain.
The product enables a simplified and secure process for capital raising, allowing companies and investors to:

• Create and manage digital assets
• Launch and manage offerings
• Buy, trade, and earn crypto assets

Our team is responsible for delivering one of the core services of the platform.

Responsibilities

• Collaborate closely with the team to build and evolve a mobile application
• Develop a new mobile app using React Native and Expo, ensuring scalability and maintainable architecture
• Improve and extend application functionality, including payment processing optimization
• Implement pixel-perfect UI based on provided designs
• Participate in planning, discovery, and implementation of new features
• Own features end-to-end: development, testing, and documentation

• Ensure high-quality, stable, and well-tested deliverables

   

Requirements

• 8-10 years of hands-on experience with React Native and TypeScript
• Strong knowledge of modern React patterns and state management (e.g. Zustand, Jotai Toolkit)
• Experience with React Query or similar server-state libraries
• Experience with React Navigation or Expo Router
• Understanding of secure storage solutions and basic mobile security concepts
• Familiarity with Expo modules and config plugins (optional but appreciated)
• Ability to work with native modules and basic Xcode / Android Studio configuration
• Good understanding of unit and integration testing for React Native apps
• Strong sense of ownership and high quality standards

Nice to Have

• Experience in banking or financial applications
• Experience with enterprise-level CI/CD for mobile

• Proactive communication and creativity in designing technical solutions

   

What They Offer

• Long-term team focus with transparent communication and minimal bureaucracy
• Opportunity to build niche expertise in FinTech, Healthcare, and other domains
• Continuous learning: personal development plans, roadmaps, and fast-track growth
• Strong internal career development culture
  (80% of executives were promoted internally)
•  

Benefits & Perks

• Flexible working schedule
• Fully remote work model
• Medical insurance
• Paid vacation
• Paid sick leave
• Paid public holidays

We are looking for flutter developer for our music software

( work in Lviv or Kyiv,

remote work possibility ):

www.MusConv.com

About the project:

MusConv is b2c music software which helps people synchronize their music between music services: Spotify, Apple Music, YouTube Music, Amazon Music, Tidal and others.

We offer:

Challenging interesting project

Professional growth and development program

Flexible schedule

Team of highly talented individuals

Access to developer courses like https://www.pluralsight.com

Mentor: code reviews, studying

We are looking for flutter developer to implement new features