Senior Full-Stack Engineer — Remote, Flexible Hours

EPAM Systems Inc; Portugal; Remote; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Competitive compensation

Variety of projects

Career growth

Internal events

Flexible work hours

Job summary

EPAM Systems Inc in Portugal is seeking a Senior Full Stack Engineer for a fully remote role. You will shape how software evolves, balancing quick delivery with long-term resilience, and work across platforms to ensure scalable, reliable products.

You will apply modern JavaScript with React, Redux, GraphQL, and testing tools to deliver robust features. The role emphasizes security, CI/CD, code quality, and collaboration with cross-functional teams.

Qualifications

• Fluency in JavaScript with modern ES6 syntax and CSS3; expert knowledge of ReactJS, Redux, GraphQL, Jasmine, Jest, redux-saga, redux-thunk, webpack, eslint, WebdriverIO, nginx and Jenkins.
• Understanding of web app designs, CI/CD, web testing automation, secure coding practices and security-focused testing, and browser testing with Saucelabs.
• Solid knowledge of source control, especially Git and GitHub flows, and understanding of web app designs and CI/CD.
• Fluency in either Android (Java 8+, Kotlin, SQLite), iOS (Swift, Objective-C, Cocoapods) or C++ technology set; experience with IDEs.
• Understanding of mobile app designs, CI/CD, mobile testing automation and secure coding practices; solid knowledge of source control, Git flow and GitHub flows.
• Experience deploying an app on Google Play or Apple App Store, and experience with dependencies, SDKs and API contracts.
• Fluency in Java and/or Python; strong knowledge of software development methodologies; deep understanding of API design (OAuth, RESTful, GraphQL) and cloud platforms.
• Experience with distributed data systems (Spark, BigQuery, Kafka) and data modeling (SQL/NoSQL).

Responsibilities

• Execute specific project and team tasks.
• Apply experience with project work and associated methods.
• Demonstrate technical and IT-relevant expertise in the sector.
• Design and realize work packages.
• Deliver medium to large tasks with little or no guidance.
• Help refine product requirements and ideas.
• Evangelize best practices.
• Communicate strongly.
• Fulfill all Engineer II responsibilities.

Skills

JavaScript ES6

ReactJS

Redux

GraphQL

Jasmine

Jest

redux-saga

redux-thunk

webpack

eslint

WebdriverIO

nginx

Jenkins

CI/CD

Android

iOS

C++

Git

GitHub

Xcode

Android Studio

IntelliJ

Tools

Git

GitHub

Xcode

Android Studio

IntelliJ

Job description

EPAM Systems Inc in Portugal is seeking a Senior Full Stack Engineer for a fully remote role. You will shape how software evolves, balancing quick delivery with long-term resilience, and work across platforms to ensure scalable, reliable products.

You will apply modern JavaScript with React, Redux, GraphQL, and testing tools to deliver robust features. The role emphasizes security, CI/CD, code quality, and collaboration with cross-functional teams.