The Firefly GenAI engineering team is looking for a passionate FrontEnd Senior Software Development Engineer to enable and accelerate our clients creative flows powered by state of the art machine learning models.
Our goal is to seamlessly enable users to transform Creative Intent into Creative Success, through GenAI features, in our revolutionary content creation application.
We are looking for a Senior software engineer who will be responsible for delivering the user-facing application experience of cutting-edge cloud based generative AI features. This is a unique opportunity to work on powerful new and state-of-the-art generative technologies. In this role, you will work closely with Product Managers, Designers, Project Managers and ML engineering teams to deliver amazing GenAI products to our customers.
Responsibilities
- Architect, develop and maintain high-performance, reusable Web Components using modern frameworks (Lit / React).
- Collaborate with back-end engineers to seamlessly integrate with GenAI-powered backend APIs.
- Write clean, maintainable, and scalable front-end code.
- Build automated unit tests and integration tests to ensure reliability.
- Monitor and optimize application performance using profiling tools and analytics.
- Ensure accessibility, security, and cross-browser compatibility
Skills:
Responsibilities
- Architect, develop and maintain high-performance, reusable Web Components using modern frameworks (Lit / React).
- Collaborate with back-end engineers to seamlessly integrate with GenAI-powered backend APIs.
- Write clean, maintainable, and scalable front-end code.
- Build automated unit tests and integration tests to ensure reliability.
- Monitor and optimize application performance using profiling tools and analytics.
- Ensure accessibility, security, and cross-browser compatibility
Requirements
- Proven record of architecting and developing commercially successful web applications using frameworks such as Lit / React.
- High proficiency in TypeScript or JavaScript (ES6+)
- Strong computer science technical background, analytical and debugging abilities.
- Demonstrated practices of writing high-performance, reliable and maintainable code
- Experience with performance optimization techniques for front-end applications.
- Knowledge of front-end security best practices
- Experience with CI/CD tools (e.g., Jenkins, GitLab CI)
- Experience with Python and UI
- Experience with programming for at least 5 years
Bonus Qualifications
- Exposure with integration of generative AI models in applications
- Experience in UX design, design systems or close collaboration with design teams
- Knowledge of WASM, WebGPU and canvas rendering, security, asynchrony and performance optimization
Education:
- B.S or higher in Computer Science would be nice to have
Duration: 3 months with possibility of extension
Key Skills
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- Posted
- Aug 07, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Bucharest
- Company
- Grafton Recruitment
Industries
Categories
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