Fullstack Software Engineer

• Design, implement, and maintain responsive, accessible, and performant JavaScript/TypeScript applications using modern frontend frameworks


• Own end-to-end frontend features from design and implementation through testing and delivery


• Write and maintain unit and integration tests


• Conduct constructive code reviews and mentor engineers on best practices


• Collaborate with product owners, UX designers, backend engineers, and QA


• Use Git for source control and run CI/CD pipelines


• Work in Docker-based development environments and coordinate with OS/DevOps teams


• Monitor web standards, browser support, and emerging web platform features


• Contribute to estimation, sprint planning, and continuous process improvement

Requirements

• Bachelor of Science degree from an accredited course of study in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer science


• 3+ years of professional frontend development experience


• Experience with two or more JavaScript frameworks/libraries


• English proficiency


• Understanding of HTML5 and CSS3


• Experience with Git and code review workflows


• Experience writing frontend unit and integration tests, such as Jest, Testing Library, or Cypress


• Strong proficiency with TypeScript


• Experience with the React ecosystem, or frameworks such as Vue or Svelte


• Experience with Docker-based containerized development environments


• Knowledge of modern build tools, bundlers, and performance optimization


• Experience with CI/CD, test automation, and frontend observability


• Understanding of web application security best practices, including CSP, XSS mitigation, and secure cookie handling


• Experience mentoring peers and leading technical design discussions


• Must be locally hired in Poland


• Employer will not sponsor applicants for employment visa status


• This position does not require a Security Clearance

Core Competencies

Demonstrates expertise in designing and implementing responsive JavaScript/TypeScript applications using modern frameworks, with a strong focus on unit testing, code reviews, and collaboration across teams. Proficient in CI/CD processes and Docker-based development environments, ensuring high-quality software delivery.

Highest-signal resume keywords

• JavaScript Frameworks


• TypeScript Proficiency


• Frontend Unit Testing


• Docker-Based Development


• CI/CD Automation

ATS Optimization Keywords

Hard Skills

• JavaScript


• TypeScript


• HTML5


• CSS3


• Unit Testing


• Integration Testing


• React


• Vue


• Svelte


• Performance Optimization

Soft Skills

• Mentoring


• Collaboration


• Code Review

Certifications & Qualifications

• Bachelor of Science Degree

Industry Keywords

• Web Application Security


• CSP


• XSS Mitigation


• Secure Cookie Handling


• Frontend Observability

Tools & Technologies

• Git


• Docker


• CI/CD Pipelines


• Jest


• Testing Library


• Cypress