Senior Engineer, Full Stack

Samsung Knox™ is a combination of a proven security foundation built into Samsung devices, and a mature suite of business solutions leveraging this platform, Secured by Knox. The Knox platform is anchored in the actual chipset of the device during the manufacturing stage. Knox protects both businesses and consumers using Samsung phones, tablets, and wearables. In addition, our portfolio of Knox cloud solutions allows businesses to configure, customize, deploy, and manage their devices to meet various and specific needs.

The Cloud services group is looking for world class engineers to join our technology innovation group focused on the rapid development of cloud based end-to-end mobile applications and services. The Samsung Knox Cloud Team is looking for a Senior Frontend Engineer with deep experience in building scalable, maintainable, and modular web applications and user interfaces. In this role you will architect and implement complex UI features, lead frontend technical decisions, and ensure seamless integration with backend services and APIs.

You will be responsible for crafting high‑quality, performant, and testable code across multiple projects and teams.

Position Responsibilities

• Building and maintaining responsive, accessible, and performant user interfaces using React (or similar modern frameworks)

• Lead the design and implementation of modular frontend architectures using Lerna and micro‑frontends

• Configure and optimize Webpack builds for code‑splitting, lazy loading, and performance

• Collaborate with backend engineers to integrate REST APIs, manage data flows, and handle complex application state

• Implement Cypress end‑to‑end tests, unit tests, and regression suites to ensure stability and quality

• Drive UI consistency by maintaining shared component libraries and design systems across teams

• Identify and resolve performance bottlenecks in rendering, API calls, and bundling

• Work closely with Research teams to create quick proof‑of‑concept prototypes

• Productize, design and deliver cutting edge projects to our Knox B2B customers

• Interface with other groups including Product Management, QA and Operations

Required Skills

• BS or MS in Computer Science or equivalent combination of education, training, and experience

• 5+ years of experience in Frontend Development

• 4+ years hands‑on expertise in ReactJS

• 3+ years of experience in either Python (preferred) or Java

• Experience building and integrating with REST APIs

• Strong computer science fundamentals in data structures and algorithms

• Hands‑on experience developing applications for highly available, scalable and distributed systems

• Proven experience with Lerna, monorepos, and micro‑frontend architecture

• Deep understanding of Webpack configuration, build optimization, and deployment pipelines

• Hands‑on experience writing Cypress and Jest tests for automated QA

• Strong understanding of RESTful API integration, asynchronous patterns, and data fetching

• Experience with modern CSS architectures (CSS Modules, SCSS, Tailwind, or styled‑components)

• Excellent communication and interpersonal skills

Special Attributes

• 7+ years overall development experience

• 4+ years’ experience with Python development

• Experience with web development of data visualization and charting library (e.g. Highcharts)

• Familiarity with module federation, custom build tooling, or shared runtime environments

• Experience working in CI/CD environments with automated builds and testing pipelines

• Contributions to open‑source frontend tooling or internal developer platforms

• Prior experience leading or mentoring frontend teams in distributed or micro‑frontend architectures

• Experience with building data engineering pipelines, utilizing big data frameworks such as Apache Spark, Iceberg and lake‑house architectures and orchestrators such as Airflow, Prefect, or Kubeflow

• Experience with MLOps and tools including Feast, Mlflow, Kubeflow, and Apache Superset

• Understanding of authentication, authorization, and security best practices (JWT, OAuth2)

• Experience with backend frameworks such as flask, FastAPI and Java Spring Boot

Base Pay Range

$158,800 - $218,100 USD

Additional…