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Oleksandr D., Android Engineer

Rivne, Ukraine
Last Updated: 4 Jul 2023

- Experienced Android Engineer with 6+ years in Java and Kotlin app development. - Proficient in Android development frameworks like Retrofit and Room (Android Jetpack). - Expertise in Clean Architecture, SOLID, MVVM principles, REST API, and HTTP. - Skilled in project management using Atlassian JIRA, Confluence, and Agile methodologies. - Upper intermediate English - Available ASAP

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RxJava2

RxJava2

Java

Java

Kotlin

Kotlin

Android

Android

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Eugene P., Android Software Engineer

Vilnius, Lithuania
Last Updated: 13 Nov 2023

- Experienced Android Engineer with 7 years of commercial experience and a strong track record of delivering innovative and robust mobile applications. - Proficient in Kotlin and Java, with expertise in MVVM and MVP architectural patterns. - Skilled in refactoring and improving existing codebases, implementing new features - Extensive knowledge of integrating SDKs like Here Maps, Firebase, Glide, and Realm. - Has experience working on navigation and banking applications. - Upper-Intermediate English

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RxJava2

RxJava2

Java

Java

Kotlin

Kotlin

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Taras Z., Android Developer

Warsaw, Poland
Last Updated: 30 Nov 2023

With over 8 years of expertise as an Android application developer, this engineer boasts a robust proficiency with Java, Kotlin, and C++. They have a strong foundation in computer science, having graduated with a specialist degree in Applied Mathematics. Accumulating experience through substantial roles in mid-level to senior, team-lead, and consulting positions, they have successfully executed more than seven long-term projects and numerous short-term engagements. Technical skills include Android SDK, Android NDK, Firebase, Retrofit2, and Dagger 2. They are adept in methodologies such as SDLC and employ engineering principles across different technologies and tools like Android Studio, Git, and Jira. Their noteworthy projects, like the multi-platform HBO GO and the financial service integration in PayKey, underline their capability to deliver complex applications, highlighting an extraordinary blend of technical acumen and practical experience.

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RxJava2

RxJava2

Java

Java   8 yr.

C

C

Zend

Zend   8 yr.

Android APIs

Android APIs   8 yr.

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Maksym B., Android Developer

Germany
Last Updated: 19 Oct 2023

- Over 7 years of commercial experience in IT as an Android Developer; - Proficient in Java and Kotlin programming languages; - Strong knowledge of Object-Oriented Programming (OOP) principles; - Experienced in using Design patterns such as MVP and MVVM; - Skilled in using Android SDK and various libraries/frameworks including RxJava, Jetpack Compose, Dagger, Hilt, Room, Navigation, Google Maps, Firebase Analytics, Firebase Crashlytics, and Firebase Cloud Messaging; - Familiar with Clean Architecture and Retrofit for building robust and scalable applications; - Proficient in using source control systems like GIT and tracking systems like Jira and Trello; - Experienced in Agile development methodologies such as SCRUM and Kanban; - Upper-Intermediate level of spoken and written English; - Successfully delivered projects in various domains including in-store and online shopping, retail and distribution, taxi services, sports, and job search; - Strong attention to detail, logical thinking, and result-oriented mindset.

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RxJava2

RxJava2

Android

Android   7 yr.

Android SDK

Android SDK   7 yr.

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Taras Z., Android Software Engineer

Ukraine
Last Updated: 4 Jul 2023

- Having over 7+ years of experience in developing native mobile and TV applications for the Android platforms - Deep knowledge of the Android Framework significantly increased my technical and soft skills. - Successfully accomplished above seven long-term projects at the middle, senior, and team-lead developer positions, and tech consultant. - Also participated in many short-term, bug fixing, feature adding, and library developing projects. - Have strong mathematical and computer science background - Upper-Intermediate English - Available ASAP

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RxJava2

RxJava2

Java

Java   8 yr.

Kotlin

Kotlin   3 yr.

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Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

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FAQs about RxJava2 Development

How do I hire a RxJava2 developer? Arrow

Are you desperately looking for a RxJava2 developer validated to your requirements and skills? Are you lacking in resources and tools to find the right developer? If yes, then you are at the right place! Because at Upstaff, the selection of the RxJava2 Developer is done professionally as per your requirement, in a short time of just a few days, from calling to the instant task of your validated developer, with all your required skills.

Where is the best place to find RxJava2 developers? Arrow

Sure enough, within the network there must be dozens, if not hundreds, of services and platforms where you can look for the RxJava2 guy you need, but just Upstaff lets you sort out the best of the best real qualified developers practically in a couple of minutes, so that you will be able to select the one whose personality will be a perfect fit to your company. This is the case when you can create a genuinely “Pizza” type of service in the field of custom software development.

How are Upstaff RxJava2 developers different? Arrow

Vetting by expert human reviewers is combined with historically curated feedback from clients and team-mates, which has enabled us to save, on average, more than 50 hours for each client team evaluating RxJava2 candidates for every position. We live and breathe technical excellence, borne out of extensive industry expertise.

How quickly can I hire RxJava2 developers through Upstaff? Arrow

Our process begins with a 30-minute discovery call: we’ll discuss your pain points, technical requirements, and team diversity. Meet Carefully Matched RxJava2 Talents. Upon your meeting confirmation, we’ll send you profiles and arrange an introduction call with the right talents for your project, within 1-3 days. Schedule a call to meet RxJava2 engineers in person. Make the right call. Bring a new RxJava2 developer on board with a trial period: confirm that the person you hired does the job right, no termination fees and no hidden fees.

How does Upstaff vet remote RxJava2 engineers? Arrow

After this introductory round, Upstaff Managers do an eval of the soft skills of the candidates before the hiring decision is approved or rejected. For the hard skills, the Upstaff Staffing Platform has a short testing session to check their RxJava2 skills or engage a senior developer to do a technical interview for more senior developers. You can reuse some of the hard and soft skills of past candidates to connect them with other jobs in the future (see below). Upstaff managers also do an eval of the talent before approving them for further work, allowing us to accelerate the work and ability to scale, but also providing information to clients on the talent pipeline. Finally, we also have a matching engine within the work mining system that matches candidates and jobs in real time.

How to hire RxJava2 developer? Arrow

If recruiting services and job boards are not your 1st option, you may want to consider a client-oriented service like Upstaff to find & hire RxJava2 developers. Upstaff has a network of vetted and tested RxJava2 developers. Here, you can hire web developers for a few simple coding tasks with RxJava2.

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Table of Contents

How and where is RxJava2 used?

  • Concurrency handling: Managing asynchronous tasks
  • Error handling: Dealing with errors in a reactive way
  • Chaining operations: Simplifying complex data streams
  • Backpressure management: Regulating data flow efficiently
  • Parallel computation: Improving performance with parallel processing
  • Combining multiple sources: Merging data from different streams
  • Timeout handling: Setting limits for data processing
  • Caching results: Storing and reusing data for optimization
  • Event bus implementation: Building event-driven architectures
  • UI thread synchronization: Updating user interfaces seamlessly

Compare Junior, Middle, Senior, and Expert/Team Lead RxJava2 Developer roles

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior0-2 years
  • Assist in code implementation
  • Debugging simple issues
  • Documentation support
50,000
Middle3-5 years
  • Develop new features
  • Optimize code
  • Assist Junior Developers
70,000
Senior6-8 years
  • Lead project modules
  • Mentor team members
  • Architect solutions
90,000
Expert/Team Lead9+ years
  • Set technical direction
  • Manage team
  • Collaborate with stakeholders
120,000

Quick Facts about RxJava2.

  • RxJava2 was created in 2016, born out of the innovative mind of Ben Christensen.
  • Developers mainly use RxJava2 in projects related to Android app development.
  • If you want to dive into RxJava2, you should have a good grasp of Java and reactive programming concepts.
  • Coroutines in Kotlin is a popular alternative to RxJava2 for asynchronous programming.
  • Funny enough, RxJava2 was inspired by the TV show “The Simpsons” character Professor Frink’s catchphrase “Glaven!”

TOP RxJava2 Related Technologies

  1. Retrofit2
    (Square, 2013)
  2. Dagger2
    (Google, 2015)
  3. Room Persistence Library
    (Google, 2017)
  4. Butter Knife
    (Jake Wharton, 2013)

What are top RxJava2 instruments and tools?

  • RxJava2Debug: Released by Akarnokd, this tool helps debug RxJava2 chains
  • RxJava2Extensions: Released by JakeWharton, adds useful operators to RxJava2
  • Stetho: Developed by Facebook in 2015, it provides debugging for RxJava2
  • RxJava2Interop: Released by JakeWharton, it helps with interoperability between RxJava1 and RxJava2
  • RxJava2Null: Created by Kaushik Gopal, helps deal with null values in RxJava2

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