Jobs Android

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Why join us
If you’re looking for a place to grow, make an impact, and work with people who care, we’d love to meet you! :)

About the role
We are looking for a Senior Mobile Engineer to maintain and optimize native iOS and Android voice and messaging applications, with a strong focus on Swift (70%) and Kotlin (30%), while leading Proof of Concept work to evaluate migration toward React Native. You will implement and optimize Real-Time Communication capabilities including WebRTC, SIP, and VoIP push notifications, solve complex voice, network latency, and socket reliability challenges, and collaborate directly with client stakeholders on mobile architecture and feature decisions.

What you will do
● Maintain, enhance, and optimize existing native Android (Kotlin) and iOS (Swift) mobile applications.
● Design and build Proofs of Concept (PoCs) to evaluate and execute the transition of native apps to React Native.
● Implement and optimize Real-Time Communication (RTC) capabilities, including WebRTC, SIP, and in-app chat features.
● Solve complex mobile voice issues related to VoIP/voice-enabled push notifications, socket connections, and network latency.
● Collaborate directly with key client stakeholders to refine mobile architecture and feature specifications.
● Conduct code reviews, establish best practices for mobile stability, and drive continuous performance improvements.
● Operate in an Agile delivery workflow with regular sprint planning and technical iterations.

Must haves
● 3+ years of hands-on professional mobile development experience across both iOS and Android platforms.
● Strong, direct experience writing native mobile applications in Swift (iOS) and Kotlin (Android). (Role will be 70% oriented in Swift and 30% oriented in Kotlin.)
● Exposure or knowledge of React Native.
● Solid domain experience with Real-Time Communication (RTC), specifically WebRTC, SIP, or VoIP architecture.
● Proven experience implementing voice-enabled push notifications (e.g., PushKit, CXProvider, VoIP background modes) and handling network latency in voice/chat apps.
● Strong technical problem-solving ability with a senior-level mindset for app stability and connection reliability.
● Based in LATAM or Ukraine with at least 4 hours of EST time zone overlap.
● Excellent written and spoken English communication skills for client-facing collaboration.

Nice to haves
● Direct experience migrating native mobile applications (Swift/Kotlin) to React Native.
● Deep understanding of socket connections, audio packet management, and mobile bandwidth optimization.
● Background in developing specialized VoIP or real-time communication consumer applications.
● Experience working in high-growth startup or dedicated remote agency environments.

Perks and benefits
● Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps
● Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities
● A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands
● Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office — whatever makes you the happiest and most productive.


Meet Our Recruitment Process
Asynchronous stage — An automated, self-paced track that helps us move faster and give you quicker feedback:
● Short online form to confirm basic requirements
● 30–60 minute skills assessment
● 5-minute introduction video
Synchronous stage — Live interviews
● Technical interview with our engineering team (scheduled at your convenience)
● Final interview with your future teammates
If it’s a match—you’ll get an offer!

Job Description

• 3+ years of experience in software development, including at least 1–2 years in native mobile development.
• Proficiency in Swift (iOS) and/or Kotlin/Java (Android).
• Experience integrating with backend systems (e.g., REST APIs, cloud services).
• Familiarity with CI/CD pipelines and agile development practices.
• Understanding of scalable systems and distributed architectures.
• Proficiency in English, both written and spoken.
   

Job Responsibilities

• Design and implement features for native mobile applications (iOS and/or Android).
• Collaborate with backend teams to integrate APIs and services into the mobile experience.
• Write clean, maintainable, and efficient code.
• Use generative AI tools (e.g., ChatGPT, Claude Code) to enhance development speed, quality, and productivity—including code generation, refactoring, documentation, and test creation.
• Work closely with QA, Product, and DevOps to ensure smooth development cycles and high product quality.
• Stay current with mobile development trends and tools, especially in AI-assisted workflows.

• Thrive in fast-paced, cross-functional teams and embrace collaborative engineering.

   

Department/Project Description

We are seeking a versatile Software Engineer with strong native mobile development skills and the ability to contribute to backend systems when needed. This role is ideal for someone who enjoys building robust mobile experiences while also understanding full-stack architecture and system-level thinking. You will be part of a dynamic R&D environment, contributing to the development of scalable and secure software that powers our cybersecurity and network intelligence products. You'll work closely with cross-functional teams—including backend engineers, DevOps, QA, and Product—to deliver end-to-end solutions for global service providers and enterprises.

Job Description

Bachelor’s degree in Computer Science, Computer Engineering, or equivalent education plus experience.
5+ years Native Android development; Proven experience in Android development using Java and/or Kotlin.
Demonstrated proficiency in developing solutions and platforms that leverage wireless communications and Mobile Application technologies.
Strong understanding of Android UI design principles, patterns, and best practices.
Demonstrated work experience with Web services, Cloud, and API technologies.
Ability to quickly grasp & learn new technologies and develop POC/prototypes.
Excellent problem-solving skills and attention to detail; drive and own technical design and development of cross-functional, multi-platform applications.
Knowledge of the open-source Android ecosystem and the libraries available for common tasks.
Ability to understand business requirements and translate them into technical requirements.
Excellent communication skills and extensive experience working with technical teams and management.
Experience with Agile software development preferred.
Demonstrated experience in successfully launching products in FCC & FDA-regulated industries is preferred
Mobile apps or Cloud apps software development tools
Prior experience in RxJava, Realm, Room, and Coroutines is a big plus.
Experience implementing internationalization (i18n) and localization (l10n) in Android apps, including resource management, RTL layouts, and locale-specific formatting.
Familiarity with translation management systems (e.g., RWS, Crowdin, Lokalise).

Job Responsibilities

Design, develop, and maintain high-quality Android applications using Java, Kotlin, and KMM.
Collaborate closely with multiple technology and cross-functional groups within and outside the organization to define, design, and deploy new capabilities and software releases.
Able to translate customer and market needs into efficient and secure mobile solutions.
Design and build out the next-generation mobile application cloud-based platform that can support future patient/device-centric products and applications.
Scope work, break down into modules, and estimate efforts working closely with Program management.
Effectively present and demonstrate various concepts and solutions to customers, partners, and leadership.
Write clean, maintainable, and efficient code.
Active participation in daily triage meetings in US/MX time zones (PST and EST)
Troubleshoot and debug applications to optimize performance.
Participate in code reviews and contribute to team knowledge sharing.
Stay updated with the latest industry trends and technologies to ensure our mobile application solutions remain current and competitive.
Expected to collaborate with our globally distributed engineering teams based in the USA and Mexico.
May require weekly/daily sync-up meetings in US time zones (PST and EST).

Department/Project Description

We are seeking a self-motivated Senior Android Engineer to join our team. You will design, build, and deliver medical-grade Android applications and SDKs in Kotlin and Java with a strong focus on internationalization and localization for multiple markets. This role owns features end-to-end-scoping, implementation, and verification - ensuring accessibility and regulatory readiness, and partnering closely with cross-functional teams to ship high-quality releases on time

Weekly/daily sync-up meetings in US time zones (till 9-10 pm Kyiv time zone)

Job Description

• 3+ years Native Android development; Proven experience in Android development using Java and/or Kotlin.
• English: B2+ (all interview stages are in English)
• Demonstrated proficiency in developing solutions and platforms that leverage wireless communications and Mobile Application technologies.
• Strong understanding of Android UI design principles, patterns, and best practices.
• Demonstrated work experience with Web services, Cloud, and API technologies.
• Ability to quickly grasp & learn new technologies and develop POC/prototypes.
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks.
• Demonstrated experience in successfully launching products in FCC & FDA-regulated industries is preferred
• Mobile apps or Cloud apps software development tools
  Prior experience in RxJava, Realm, Room, and Coroutines is a big plus.
• Experience implementing internationalization (i18n) and localization (l10n) in Android apps, including resource management, RTL layouts, and locale-specific formatting.

• Familiarity with translation management systems (e.g., RWS, Crowdin, Lokalise).

   

Job Responsibilities

Design, develop, and maintain high-quality Android applications using Java, Kotlin, and KMM.
Collaborate closely with multiple technology and cross-functional groups within and outside the organization to define, design, and deploy new capabilities and software releases.
Able to translate customer and market needs into efficient and secure mobile solutions.
Design and build out the next-generation mobile application cloud-based platform that can support future patient/device-centric products and applications.
Scope work, break down into modules, and estimate efforts working closely with Program management.
Effectively present and demonstrate various concepts and solutions to customers, partners, and leadership.
Write clean, maintainable, and efficient code.
Active participation in daily triage meetings in US/MX time zones (PST and EST)
Troubleshoot and debug applications to optimize performance.
Participate in code reviews and contribute to team knowledge sharing.
Stay updated with the latest industry trends and technologies to ensure our mobile application solutions remain current and competitive.
Expected to collaborate with our globally distributed engineering teams based in the USA and Mexico.

Department/Project Description

We are seeking a self-motivated Senior Android Engineer to join our team. You will design, build, and deliver medical-grade Android applications and SDKs in Kotlin and Java with a strong focus on internationalization and localization for multiple markets. This role owns features end-to-end-scoping, implementation, and verification - ensuring accessibility and regulatory readiness, and partnering closely with cross-functional teams to ship high-quality releases on time

About the role

We are looking for a skilled Android/Kotlin Multiplatform Developer to contribute to the development of high‑performance, mission‑critical mobile applications. This role involves building robust Android and KMP solutions, integrating complex telemetry systems, and working with advanced communication technologies in a fast‑paced engineering environment.

What will you be doing?

• Architecting scalable Android and Kotlin Multiplatform (KMP) applications
• Building reactive, high‑performance user interfaces using Jetpack Compose and MVI patterns
• Developing and maintaining KMP‑based modular applications, including integrations with ATAK plugins and external SDKs
• Writing clean, maintainable, and highly testable code, leveraging Coroutines, best engineering practices, and modern testing tools
• Ensuring code quality through comprehensive unit testing, MockK usage, and adherence to test‑driven development principles.
• Collaborating with cross‑functional teams to deliver reliable C2/Telemetry features and ensure seamless product integration

Requirements and qualifications

• Strong professional experience with Kotlin and Kotlin Multiplatform (KMP), supported by practical knowledge of C++ for native component interaction
• Proficiency in building modern reactive UIs using Jetpack Compose, applying State Hoisting and industry‑standard UI architecture practices
• Solid understanding and application of Clean Architecture, SOLID principles, and MVI, especially within multi‑module environments
• Ability to produce clean, maintainable, and testable code, with hands‑on experience in unit testing, TDD, MockK, and establishing robust test infrastructure
• Domain expertise with Ardupilot, Mavlink, integration of ATAK Plugins, SDK integration workflows, and development of C2/Telemetry applications

Would be a plus

• Knowledge of networking and communication protocols such as UDP/TCP, serial data communication, and video streaming technologies (RTP/RTSP)

What the company offers

• Official employment with a competitive salary and clear, transparent terms of cooperation.
• Paid vacation (24 calendar days per year) and paid sick leave
• Support for your professional growth - the company is actively expanding, and you’ll have the opportunity to grow together with it
• An atmosphere of trust, open communication, and leadership—initiative is welcomed, ideas are brought to life, and the team supports your progress