Senior React Native Mobile Developer Job at Bitvavo (Amsterdam)

Senior React Native developer

Fireart is an experience design & technology partner to clients large and small....

Location

Poland , Warsaw

Salary:

Not provided

Fireart Studio

Expiration Date

Until further notice

Requirements

4+ years of commercial experience
Expert knowledge of React Native
Ability to develop native iOS/Android components to integrate with React Native and advanced platform capabilities
Expert knowledge on HTML, CSS (including CSS preprocessors)
Experience in consuming REST and GraphQL APIs
Commercial experience with Typescript
Commercial experience integrating Maps, Location, In-App purchase
High productivity and effective time management
Experience with Scrum/Agile SDLC
Outstanding interpersonal and written communication skills

Job Responsibility

Working remotely (or from Fireart office)
Working with international clients from entire world (US+UK = 80%)
Working within a project team, having Project Manager, Backend developers and Frontend developers as partners
Creating a beautiful mobile applications based on provided designs in Figma (90%)
Performing Code Review for other projects and other mobile developers (10%)
Using digital tools to communicate with client and within a team (Slack, Google Meet)

What we offer

21 paid days off per year
Health insurance
Learning resources
Competitive compensation depending on experience and skills
A friendly team of like-minded people
Opportunities for learning and development
Compensation for sick leaves
21 working days paid vacation + all Poland national holidays
Corporate events and activities
Private medical care

Fulltime

Senior React Native Engineer

We are looking for a Senior React Native Engineer with strong communication skil...

Location

Salary:

Not provided

AUTO1 Group

Expiration Date

Until further notice

Requirements

4+ years of experience with JavaScript/TypeScript
3+ years of production experience with React Native
Solid understanding of mobile development best practices: navigation, animations, performance
Experience with state management (e.g. Redux, Zustand) and server state handling with React Query
Familiarity with debugging tools, testing (unit/integration), and mobile release processes

Job Responsibility

Design, develop, and maintain features in our React Native app for iOS and Android
Collaborate with designers, product managers, and backend developers to deliver user value
Own core parts of the app architecture, ensuring long-term performance and maintainability
Improve app speed, reliability, and UX through best practices and performance tuning
Participate in code reviews, architecture discussions, and mentor fellow engineers
Drive technical decisions and help improve team workflows and mobile engineering culture

What we offer

A fully remote position with flexible working hours
30 vacation days annually
A personal learning budget for books, courses, or conferences
Modern tech stack and well-established development standards
Clear and regular feedback cycles
An open-minded, experienced team that values clean code, collaboration, and product quality

Fulltime

Senior Mobile Engineer

Senior Mobile Engineer position focused on building Matcha's new React Native ap...

Location

Salary:

120000.00 - 230000.00 USD / Year

0x

Expiration Date

Until further notice

Requirements

5+ years of mobile engineering experience with deep fluency in React Native and TypeScript
proven track record of shipping complex mobile apps - ideally from blank repo to App Store/Play Store
hands-on experience with modern RN patterns: custom hooks, Zustand/Recoil, Reanimated, FlatList, memoization, and performance profiling
experience working on crypto wallets or DeFi mobile products (e.g. Matcha, MetaMask, Safe, Uniswap, Phantom, Rainbow, Rabby, Backpack, etc.)
you understand key management, signing flows, transaction UX, and Web3 connectivity (WalletConnect, EIP-155)
understanding of native modules and when to use them for crypto or performance-critical tasks (Objective-C, Swift, Java, Kotlin a plus)
strong debugging habits and comfort profiling on real devices across Android and iOS
familiarity with mobile CI/CD pipelines, incremental rollouts, and feature flagging
excellent collaboration and communication skills - you think out loud, stay calm under pressure, and embrace feedback
a low-ego, ownership-driven approach to building great products with others

Job Responsibility

build and ship Matcha’s new React Native app for iOS and Android from the ground up
design robust architecture, state management, and in-app infrastructure (CI/CD, telemetry, feature flags)
implement high-performance mobile UX - snappy lists, smooth gestures, fast load times, and secure wallet flows
collaborate closely with design and product to prototype, iterate, and ship features quickly and safely
write clean, modern TypeScript and React Native code with proper typing, linting, and testing coverage (Jest, Detox/Maestro)
help define the mobile engineering culture - code reviews, pairing, testing discipline, and continuous performance tuning
contribute to open discussions on design trade-offs and product priorities with a user-first mindset

What we offer

equity
ZRX tokens
comprehensive insurance (medical/dental/vision/life/disability) for U.S.-based employees — 100% of base plan covered for you and dependents
401k and FSA for U.S.-based employees
monthly mobile phone bill, wellness, and pre-tax transportation expense
covered mental health benefits (included professional therapy sessions)
a supportive remote environment
lunch reimbursement for all employees across the globe
stipend for your ideal remote / WFH set-up: headphones, and any other work gear you may need
12-week paid parental leave

Fulltime

Senior Software Engineer - Mobile

This role offers an exciting opportunity to work on our Kick mobile app, which s...

Location

Australia , Melbourne

Salary:

Not provided

Easygo Gaming

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field
6+ years of demonstrated and proven experience in building highly performant production mobile applications in React Native
Proven track record of app development through to deployment in app stores, as well as monitoring and operations
Strong proficiency in JavaScript and TypeScript
Demonstrated experience with mobile UI/UX design principles and best practices
Solid understanding of the full mobile development lifecycle
Strong written and verbal communication skills for effective teamwork in collaborative environments
Ability to quickly learn and adapt to new technologies, tools, and methodologies

Job Responsibility

Design, develop, and maintain high-quality mobile applications using React Native
Collaborate with cross-functional teams to define, design, and ship new features
Ensure the performance, quality, and responsiveness of applications
Identify and correct bottlenecks and fix bugs to improve application performance
Participate in code reviews to maintain code quality and enforce best practices
Deploy applications to app stores and manage the submission process
Monitor app performance and user feedback to identify areas for improvement
Stay updated with industry trends and emerging technologies to continuously improve our app

Fulltime

Senior Engineer - Mobile Foundations

Atlassian is looking for a Senior Mobile Engineer to design and maintain our mob...

Location

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

Proficient with React Native and its ecosystem
Experience with Kotlin and Java programming languages, and Android UI design principles, patterns, and best practices
Experience with Android Studio, Gradle, Git, and other development tools
Strong background in CI/CD pipelines, developer productivity tooling, and automation
Experience with testing frameworks such as JUnit, Espresso, and Robolectric
Experience debugging problems across systems/repositories and designing solutions that scale and span the whole stack
Deep understanding of multithreading and concurrency
System mindset that considers edge cases, observability, error handling, and integration across external systems
Empathy for internal engineer customers and a service mindset for solving fellow engineers’ problems
Ability to work independently and in a team environment

Job Responsibility

Build and maintain tools that hundreds of Atlassian mobile engineers rely on daily to ship high-quality work, with a strong focus on Native Android development alongside the React Native ecosystem
Contribute to a core piece of the Atlassian developer experience, touching every aspect of the development lifecycle: faster development environments, code integrations, CI/CD pipelines, improving developer productivity, ensuring high code quality, and more
Play a crucial role in Atlassian’s platform and developer productivity strategy by building guidelines, setting standards, and developing tooling to be applied to mobile code and changes at scale
Collaborate closely with internal Atlassian engineers to understand their needs and deliver solutions that enhance their productivity

What we offer

health and wellbeing resources
paid volunteer days

Senior Full Stack Developer

Betstamp is the future of sports betting. We were founded in 2020 to make sports...

Location

Canada , Toronto

Salary:

Not provided

Betstamp

Expiration Date

Until further notice

Requirements

History of success managing back-end & infrastructure projects
3-5+ years building production systems in Go / Python (Django a plus)
Can craft modern UIs in React (web) or React Native (mobile)
Know your way around SQL performance tuning and RESTful API design
Enjoy working in an early-stage, ship-fast, own-your-stuff environment

Job Responsibility

Lead DevOps infrastructure growth as we scale our products
Control the design of new and exciting features involving both backend / frontend work
Set up and manage external APIs interacting with betstamp’s backend
Optimize database queries and endpoint speed
Build analytic features to analyze betstamp’s backend data
Own end-to-end features – scope, architect, and ship full-stack projects across web and mobile
Surface the best bets – design blazing-fast APIs that crunch market data and return +EV opportunities in milliseconds
Scale our data engine – optimize Postgres queries, design new schemas, and keep our odds ingestion pipeline rolling
Integrate new partners – wire up external sportsbook and promo APIs so users always see the freshest lines and bonuses
Turn data into insight – build analytics dashboards that help bettors (and Betstamp) learn, iterate, and win

What we offer

Competitive salary & raises – share in the upside you build
Autonomy & influence – you’ll make architectural calls, not just tickets
Gear & learning stipend – get the tools and courses that level you up
AI-Augmentation - free reign on testing & spending on the AI tools of the future to help you excel
World-Class betting tools - get access to our best tools that professional bettors use, for FREE
Sports-centric culture – team watch parties, office prop pools, and the inside scoop on sharp bets

Fulltime

Senior AI Developer

Slingshot is on the hunt for a talented and passionate Senior AI Developer who t...

Location

United States , Louisville

Salary:

Not provided

Slingshot

Expiration Date

Until further notice

Requirements

Deep full-stack experience with modern web and mobile frameworks
Genuinely excited about how AI is transforming software development
Passionate about learning and using emerging tools (Cursor, Claude Code, Copilot) to accelerate development and enhance workflows
Knows how to build for scale and reliability in a cloud environment (especially AWS)
Writes clean, testable, and well-documented code
Can clearly communicate architecture and technical decisions
Infinitely curious and not afraid to experiment or fail fast
Wants to work with a team of driven, creative, passionate humans who take pride in their craft

Job Responsibility

Designing full-stack applications and architectures that leverage modern web, mobile, and cloud technologies
Leading projects as the technical head, managing code quality and mentoring teammates
Applying AI-first development practices, using tools like Cursor, Claude Code, ChatGPT, Copilot, and others
Rapidly building prototypes and proof-of-concepts using AI tools to shorten development cycles
Primarily working on Node.js, React, React Native, PostgreSQL
Creating robust APIs, and cloud-native backends primarily in AWS and Azure
Acting as an internal evangelist for AI innovation, helping Slingshot continuously evolve how we build software

What we offer

Generous PTO and Holiday time off including your birthday
401(k) with company match
Quarterly bonuses
Valentine’s Day office fairy
Flexible hours and remote-friendly culture
No dress code (except when needed for clients)
Greenfield project opportunities with a chance to leave your mark
Zero politics. Just solid people building great things

Senior React Engineer

We’re looking for a Senior React Engineer to join our team and help build high-i...

Location

Ukraine

Salary:

Not provided

Honeycomb Software

Expiration Date

Until further notice

Requirements

5+ years of experience working with React and TypeScript in production
Strong background building applications with React, Next.js, TailwindCSS, and modern UI libraries (preferably shadcn)
Solid knowledge of component-based architecture, state management patterns, responsive design, and performance optimization
Experience with data visualisation (D3.js, Recharts, Mapbox or similar)
Strong collaboration skills and ability to work with design, backend, and product teams
Excellent communication, ownership mindset, and the ability to work independently in a distributed team

Job Responsibility

Develop rich, high-performance web applications using React, Next.js, TypeScript, TailwindCSS, and shadcn UI
Build and maintain reusable UI components and scalable front-end architecture for a growing product ecosystem
Lead the implementation and evolution of the design system in close collaboration with the product design team
Work closely with backend and full-stack engineers to integrate with APIs and platform services built on Supabase and other cloud tools
Contribute to and support a React Native mobile application as part of a cross-platform delivery team
Balance rapid product iteration with long-term engineering quality, scalability, and maintainability

What we offer

Opportunity to contribute to a mission-driven product with real global impact
Work with a modern technology stack and influence core front-end architecture
Collaborative engineering culture with strong ownership and autonomy
Full-time remote work within EU, UK, or North America time zones
Competitive salary and eligibility for equity participation
Supportive environment focused on transparency, learning, and continuous improvement

Fulltime

Senior React Native Mobile Developer

Bitvavo

Location:
Netherlands , Amsterdam

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 21, 2026

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Location:
Netherlands , Amsterdam

Category:
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Contract Type:
Not provided

Job Posted:
February 21, 2026