Senior Software Engineer (React)

Job Title: Senior Software Engineer (React)

Location: Remote in LATAM

Long Term

About the Role

We are seeking a Lead Software Engineer with strong expertise in frontend development, streaming technologies, and scalable web architectures. In this role, you will lead the development of high-performance applications across web, connected TVs, and mobile platforms, working closely with product, design, and backend teams to deliver robust, user-centric experiences at scale.

You will play a key role in technical leadership, architecture decisions, performance optimization, and codebase modernization, while also mentoring engineers and driving best practices across the organization.

Key Responsibilities

• Lead the design and development of complex, high-performance UI components using React and React Native, including applications for Connected TVs and streaming devices

• Own and evolve video streaming experiences, including HLS-based players, ads (VAST), overlays, captions, analytics, and integrations with third-party streaming providers

• Architect and maintain scalable frontend and backend systems, collaborating across teams to ensure reliability and performance

• Drive codebase modernization, including TypeScript adoption, dependency injection, and testability improvements

• Identify and resolve performance bottlenecks across frontend rendering, state management, and backend data access

• Design and implement backend services and APIs using Node.js frameworks

• Lead technical discussions, conduct code reviews, and mentor engineers to promote engineering excellence

• Collaborate with product managers and designers to translate requirements into technical solutions

• Advocate for best practices in testing, documentation, and maintainability

Required Qualifications

• 6+ years of experience in software engineering, with a strong focus on frontend development

• Advanced proficiency in JavaScript/TypeScript, React, and modern frontend architectures

• Experience with React Native and cross-platform development

• Strong knowledge of video streaming technologies, including HLS, video players, and media pipelines

• Solid backend experience with Node.js (Koa, NestJS, or similar frameworks)

• Experience working with databases and caching layers (MongoDB, Redis, Firebase)

• Proven ability to optimize performance for low-end or constrained devices

• Experience leading technical initiatives and mentoring other engineers

• Strong communication skills and ability to work cross-functionally

Nice to Have

• Experience with WebRTC and live video conferencing solutions

• Familiarity with AWS or GCP cloud services

• Experience building applications for Smart TVs, Fire TV, or OTT platforms

• Background in UI/UX collaboration, prototyping, or design tools (Figma, Storybook)

• Experience in startup or fast-growing product environments

Tech Stack

• Frontend: React, React Native, TypeScript, Redux / Redux-Saga, Styled Components

• Video & Streaming: HLS.js, ReactPlayer, WebRTC

• Backend: Node.js, Koa, NestJS

• Databases & Infra: MongoDB, Redis, Firebase, AWS, GCP

• Testing & Tooling: Jest, Storybook