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Open nowPosted 8 hours ago

Senior React / React Native Engineer

N-iX131 open roles

Where
Ukraine
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Your applicationOpen nowSenior React / React Native EngineerN-iX · Ukraine

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The clock on this job

Early applications get read.

8.1% of postings close within 7 days. Measured by our own scanner across the market. N-iX postings stay open a median of 18 days.

Share of postings closed within
  1. 1.7%1 day
  2. 3.6%3 days
  3. 8.1%7 days
  4. 15.1%14 days
  5. 34.0%30 days
This job: posted 8 hours ago

N-iX median: 18 days open

The posting

N-iX is looking for a Senior React / React Native Engineer to join our client’s Experience Platform engineering group.

About the Client

Our client is a leading Canadian online brokerage and wealth management fintech company. The platform provides retail investors with modern trading solutions, mobile applications, and a broad range of investment products within a highly regulated financial environment.

About the Project

The client is expanding its engineering presence in Ukraine and building a dedicated team consisting of a Team Lead, a Senior QA Engineer, and two product-focused development pods. Each pod includes four engineers and owns its domain end-to-end, covering web, mobile, and backend services.

As a Senior React / React Native Engineer, you will join one of these product pods within the Experience Platform group. While the role has a strong focus on client-facing applications, you will also contribute to backend services and APIs that power mobile and web experiences. You will play a key role in shaping technical solutions, driving engineering excellence, and mentoring other developers.

Responsibilities

  • Lead technical design and implementation of complex features across React Native and ReactJS applications
  • Build and maintain Node.js/TypeScript services and RESTful APIs supporting web and mobile platforms
  • Drive application performance improvements, including rendering optimization, memory profiling, and bundle size reduction
  • Break down complex business requirements into scalable technical solutions and deliverable increments
  • Establish and promote best practices for code quality, testing, security, observability, and operational excellence
  • Contribute to CI/CD pipeline improvements and application release processes
  • Mentor engineers through code reviews, technical discussions, and knowledge sharing
  • Collaborate closely with Product, UX, Architecture, and Security teams to deliver scalable and compliant solutions
  • Participate in incident response activities and support production systems when required
  • Evaluate and adopt modern engineering and AI-powered development tools to improve team productivity

Requirements

  • 6+ years of experience building and maintaining production-grade software systems
  • 5+ years of commercial experience with React Native or ReactJS and at least 1+ year of experience with the complementary technology
  • Strong expertise in JavaScript/TypeScript, component architecture, and state management solutions
  • 1+ year of hands-on experience with Node.js and TypeScript
  • Experience designing, building, or consuming RESTful APIs
  • Solid understanding of microservices and service-oriented architectures
  • Experience working with cloud platforms (GCP preferred; AWS or Azure is also acceptable)
  • Practical experience with CI/CD processes and containerized environments
  • Proven track record of leading technical initiatives and influencing engineering decisions
  • Strong communication skills and upper-intermediate or higher English level
  • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience

Nice to Have

  • Experience with real-time data streaming technologies such as WebSockets, Kafka, or Google Pub/Sub
  • Background in financial services, brokerage, trading platforms, or other regulated industries
  • Exposure to native iOS/Android development and native module integration
  • Experience with mobile application delivery pipelines and release management
  • Familiarity with AI-powered engineering tools such as Claude Code
  • Knowledge of secure software development practices, threat modeling, or DevSecOps
  • Experience building AI/ML-powered product features
  • Angular experience

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

*not applicable for freelancers

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