Senior Frontend Developer

**Description**:
We are a digital asset-focused fintech company providing banking-as-a-service and card-issuing solutions. With both B2B and direct-to-retail channels, our platforms rely on a cutting-edge tech stack, including GraphQL, React, and Postgres, to deliver secure, high-speed data services. We prioritize security, data precision, and speed, managing transaction records and authorizing card transactions for our clients.
We are seeking a Senior Front-end Developer with expertise in React, GraphQL, and React-Relay. You will work closely with our engineering team to develop dynamic and responsive user interfaces, ensuring data efficiency and security while delivering an outstanding user experience.

**Responsibilities**:

- Develop and maintain high-quality, scalable front-end code using React and React-Relay.
- Implement GraphQL queries to optimize data fetching with mínimal payloads.
- Collaborate with designers and back-end developers to enhance user experiences.
- Participate in code reviews, providing feedback and suggestions to improve code quality.

**Requirements**:

- 5+ years of experience in front-end development with a focus on React and GraphQL.
- Proficient in JavaScript/TypeScript and modern front-end build pipelines.
- Experience with React-Relay and component-based architecture.
- Strong understanding of performance optimization techniques and security best practices.
- Excellent problem-solving skills and attention to detail.