Frontend JavaScript Engineer
Alignerr · Seattle, WA
- Hybrid
- Contract
- $60,000 / year
- Seattle, WA
Job highlights
- Evaluate and improve AI-generated JavaScript code.
- Focus on code correctness, efficiency, and standards.
- Solve complex UI/UX challenges for AI testing.
- Work remotely with flexible hours.
- Impact AI's understanding of code.
About the role
Frontend JavaScript Engineer (AI Training)
About The Role
What if your JavaScript expertise could directly influence how AI writes and understands code for millions of developers around the world? We're looking for experienced Frontend JavaScript Engineers to evaluate, critique, and improve AI-generated code — helping ensure the next generation of AI tools actually thinks like a great engineer.
This is a fully remote, flexible contract role. Training and onboarding support will be provided — no prior AI experience needed. Just bring your deep knowledge of JavaScript and a sharp eye for quality code.
- Organization: Alignerr
- Type: Hourly Contract
- Location: Remote
- Commitment: 10–40 hours/week
What You'll Do
- Evaluate AI-generated JavaScript code for correctness, efficiency, and adherence to modern ES6+ standards
- Assess DOM manipulation approaches and identify performance issues or anti-patterns
- Solve complex UI/UX challenges to test the model's ability to produce responsive and interactive frontend solutions
- Identify bugs and suboptimal patterns in AI-generated frontend logic and provide clearly optimized alternatives
- Write human-readable documentation explaining state flow, event handling, and code structure
- Work independently and asynchronously — fully on your own schedule
Who You Are
- Deep, hands-on knowledge of core JavaScript concepts — async/await, closures, the event loop, and DOM manipulation
- 3–5 years of practical experience with modern frameworks such as React, Vue, or Node.js
- Strong instincts for clean, maintainable, and efficient frontend code
- Naturally detail-oriented with a systematic approach to evaluating and improving code quality
- Clear written communicator who can explain technical reasoning in plain terms
- Bachelor's degree in Computer Science or a related technical field preferred
Nice to Have
- Experience with data labeling, RLHF, or other AI training or evaluation projects
- Familiarity with testing frameworks, code review workflows, or frontend performance profiling
- Background in technical writing or code documentation
Why Join Us
- Work on cutting-edge AI projects alongside leading AI research labs and teams
- Fully remote and flexible — work when and where it suits you
- Freelance autonomy with the structure of meaningful, task-based engineering work
- Make a direct, tangible impact on how AI understands and generates JavaScript code
- Potential for ongoing work and contract extension as new projects launch
Key skills/competency
- JavaScript
- Frontend Development
- AI Training
- Code Evaluation
- DOM Manipulation
- React
- Vue
- Node.js
- Problem Solving
- Technical Communication
Skills & topics
- JavaScript
- Frontend Engineer
- AI Training
- Code Evaluation
- React
- Vue
- Node.js
- Remote
- Contract
- Software Engineer
How to get hired
- Tailor your resume: Highlight JavaScript, framework experience (React, Vue, Node.js), and code quality skills.
- Showcase your experience: Emphasize your ability to evaluate and optimize code for clarity and efficiency.
- Prepare for technical assessment: Be ready to demonstrate deep JavaScript knowledge and problem-solving skills.
- Communicate clearly: Practice explaining technical concepts and code reasoning concisely.
- Understand the role: Research Alignerr's mission in AI development and how your skills contribute.
Technical preparation
Master core JavaScript concepts: async/await, closures.,Practice DOM manipulation and performance analysis.,Review modern framework patterns (React, Vue, Node.js).,Prepare to explain code logic clearly.
Behavioral questions
Describe a complex UI/UX challenge you solved.,How do you systematically evaluate code quality?,Explain a technical concept to a non-technical person.,How do you ensure code is maintainable and efficient?
Frequently asked questions
- What is the work arrangement for the Frontend JavaScript Engineer AI Training role at Alignerr?
- The Frontend JavaScript Engineer AI Training role at Alignerr is fully remote, offering flexibility in your work schedule and location.
- What are the primary responsibilities of a Frontend JavaScript Engineer at Alignerr?
- As a Frontend JavaScript Engineer at Alignerr, you will evaluate, critique, and improve AI-generated JavaScript code, focusing on correctness, efficiency, and adherence to modern standards.
- Do I need prior AI experience to apply for this Frontend JavaScript Engineer position?
- No, prior AI experience is not required. Alignerr provides training and onboarding support, so your deep knowledge of JavaScript and eye for code quality are most important.
- What JavaScript concepts are most important for the Frontend JavaScript Engineer AI Training role?
- Strong knowledge of core JavaScript concepts like async/await, closures, the event loop, and DOM manipulation is crucial for this role.
- What frontend frameworks are relevant for the Frontend JavaScript Engineer AI Training job?
- Experience with modern frameworks such as React, Vue, or Node.js is highly valued for this Frontend JavaScript Engineer position.
- What is the commitment expected for this contract role?
- The commitment for this hourly contract role ranges from 10 to 40 hours per week, offering flexibility to suit your schedule.
- How can my work as a Frontend JavaScript Engineer impact AI at Alignerr?
- Your evaluations and improvements of AI-generated code directly influence how AI understands and generates JavaScript, shaping the next generation of AI tools for developers.
- What is the application process for the Frontend JavaScript Engineer AI Training role?
- While specific details may vary, expect resume review, potentially a technical assessment focusing on JavaScript and code evaluation, and an interview to discuss your experience and fit.