Senior React Native Developer Job at HotSchedules Corporate (Sofia)

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 Developer

The Senior Developer at Founders Workshop helps clients bring their visions to l...

Location

United States

Salary:

Not provided

Founders Workshop

Expiration Date

Until further notice

Requirements

4+ years working with React Native
2+ Typescript experience
Flexible and responsive to changing requirements
Responsive to stakeholders needs and pain points
Detailed oriented: Ensures that every aspect of the development is of high quality, functional, and aesthetically pleasing, enhancing the usability and security of the final product
Based in Latin America (LATAM) to align with our team’s time zone and collaboration needs
Proficient in conversational English (B2 to C1 level)
Adaptable: You are quick to adjust to new challenges and changes in project requirements, ensuring seamless transitions
Reliable Communicator: Your proactive and clear communication style ensures that all stakeholders are informed and engaged. You're meticulous in your work, always aiming to meet and exceed stakeholder expectations

Job Responsibility

Use requirements from product manager to develop features that clients will love
Use best practices to create great code
Connect with your remote team daily to coordinate activities
Keep your team in the loop with the latest updates to your tasks
Ask questions and make suggestions so we can deliver the best software to our clients
Carefully analyze requirements and test scripts
Assist in planning and scope management
Collaborate with project leadership and team members
Identify blockers and potential blockers so the team moves quickly and effectively
Test code locally and participate in weekly code reviews

What we offer

Frontline of Innovation: Immerse yourself in a vibrant workplace that’s constantly adopting new technologies and exploring the potential of AI
Team Synergy: Work alongside a top-tier team where open and honest communication enhances our collaborative efforts to achieve outstanding results
Challenging Projects: Take pride in overcoming complex challenges and delivering solutions that set new benchmarks in the tech startup landscape
Industry Exposure: Benefit from opportunities to apply your skills across different sectors, enhancing your versatility and knowledge base
Remote Flexibility: Enjoy the flexibility of remote work along with our commitment to your career development and long-term success

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 Full Stack Developer

CNBS is looking for a Senior Full Stack Developer for our ePayments team. This i...

Location

United States , Cincinnati

Salary:

Not provided

CNBS Software

Expiration Date

Until further notice

Requirements

Experience with React.JS, React Native, JavaScript including DOM Manipulation and the JavaScript object model
Thorough understanding of React Native and its core Principles
Hands on experience on React.JS Framework – at least 5 years
Very Good Knowledge of HTML5, CSS
Experience with common front-end development tools such as Web pack, NPM etc
Experience with .NET Core and interaction with RESTful APIs
Very strong communication skills
Strong project and product management skills

Job Responsibility

Interact with customers and business analysts to gather requirements, plan releases and develop user stories
Working on a distributed team of React.JS, .NET and ABAP engineers to develop payment processing applications
Manage user requests, inquiries and troubleshooting problems in an Enterprise Systems landscape

What we offer

Health, Dental, Life and STD/LTD

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 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 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 UI/UX Designer

Design for impact—shape web, mobile, and API experiences at scale. Join our Prod...

Location

United States

Salary:

90000.00 - 110000.00 USD / Year

LoadUp

Expiration Date

Until further notice

Requirements

8+ years designing and developing interfaces for web and mobile applications, with a strong foundation in visual design and interaction principles
4+ years leading end-to-end UI/UX design projects, including mentoring and guiding team members on best practices
Hands-on experience collaborating with product and engineering teams to translate requirements into effective, feasible designs
Proven track record driving design system strategy—creating, maintaining, documenting, and evangelizing design standards across platforms
Experience ensuring design consistency through design sign-off of engineering deliverables
Background working in agile product teams, comfortable with changing requirements and contributing to sprint rituals
Strong design fundamentals with a deep understanding of user-centered design principles and methodologies
Advanced Figma skills, with the ability to maintain organized design files and create robust design systems
Proficiency in building wireframes, prototypes, and high-fidelity mockups to demonstrate user flows and interactions
Sharp attention to detail and auditing skills to identify and resolve inconsistencies across platforms

Job Responsibility

Design, prototype, and produce high-fidelity mocks that shape the future of our software
Think critically about the end-to-end user experience—ensuring every interaction feels seamless, logical, and impactful
Work closely with a talented group of engineers, product managers, and stakeholders

What we offer

Medical, Dental, Vision, and Life Insurance coverage
Flexible Spending Account (FSA) or Health Savings Account (HSA)
401(k) with 5% Company Match
Employee Recognition Program
Monthly Lifestyle Stipends
Referral Rewards Program
PTO, Sick Days & Parental Leave
Growth & Development

Fulltime

Senior React Native Developer

HotSchedules Corporate

Location:
Bulgaria , Sofia

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 13, 2026

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Location:Bulgaria , Sofia

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Job Description:

Job Responsibility:

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Additional Information:

Job Posted:March 13, 2026

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Location:
Bulgaria , Sofia

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
March 13, 2026