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AgileEngine is a software development consultancy and IT staffing provider that hires engineers to work on projects for its external clients, rather than as a direct employer for internal product development.

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AgileEngine
Posted 3w ago

Senior Full Stack Developer ID80055

AgileEngine
Sofia, Sofia (stolitsa), Bulgaria
HybridFull Time
Responsibilities
  • developing features
  • maintaining services
  • optimizing performance
Requirements
  • 4+ years web application experience
  • Expert Node.js, React, JavaScript/TypeScript
  • State management (Redux/Context)
  • Automated testing (Jest, React Testing Library, Mocha/Chai)
  • Strong problem-solving and communication
Technical tools mentioned
Node.jsReactJavaScriptTypeScriptReduxJestReact Testing LibraryMochaChai

Job description

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

WHY JOIN US
If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!

ABOUT THE ROLE
We are looking for a Senior Full Stack Developer to build user-facing features in React and maintain robust Node.js backend services for an international product team. You will architect and implement full-stack solutions with expert-level JavaScript and TypeScript, optimize performance across web platforms, implement automated testing with Jest and React Testing Library, and collaborate closely with cross-functional teams to deliver production-ready features. The role requires strong state management experience and a thorough understanding of component-driven design patterns and secure data handling.

WHAT YOU WILL DO
- Develop user-facing features using modern React workflows while building and maintaining robust Node.js backend services;
- Architect and implement full-stack solutions, ensuring seamless integration between the front-end UI and back-end APIs;
- Optimize components for maximum performance across a wide range of web-capable devices and browsers;
- Collaborate with cross-functional teams to define, design, and ship new features.

MUST HAVES
- 4+ years of professional web application development experience;
- Expert-level knowledge of Node.js, React, and modern JavaScript/TypeScript;
- Broad knowledge of web platforms, browser APIs, state management using Redux or Context, and styling strategies;
- Superior analytical and problem-solving ability;
- Experience with automated unit testing and test-driven development using Jest, React Testing Library, and Mocha/Chai;
- Robust understanding of performance issues, computational complexity, and full-stack code optimization;
- Familiarity with industry-standard algorithms, component-driven design patterns, and secure data handling;
- Effective communication skills to work with different teams across an international company;
- Upper-intermediate English level.

PERKS AND BENEFITS
- Professional growth: Mentorship, TechTalks, and personalized growth roadmaps.
- Competitive compensation: USD-based pay with education, fitness, and team activity budgets.
- Exciting projects: Modern solutions with Fortune 500 and top product companies.
- Flextime: Flexible schedule with remote and office options.

Meet Our Recruitment Process
Application → Coding Challenge → Video Interview → Technical Interview or Hiring Manager Interview
Each step helps us understand your skills and overall fit.
If it’s a match, you’ll receive an offer.

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