Senior Staff Software Engineer
Date Posted
12 Jun, 2025
Work Location
Salary Offered
$30000 — $200000 yearly
Job Type
At CozmoX AI, we build voice-native AI employees that automate complex business workflows at scale. We're reshaping industries with cutting-edge AI technology, and we're looking for exceptional back-end engineers to accelerate our mission.
We are hiring both BACK-END and FRONT-END engineers (read through for full info)
A) Back-end Role
1) Role Overview: As a Back-End Engineer at CozmoX AI, you'll architect and build scalable, secure, and high-performing server-side applications that power our AI-driven services.
2) Key Responsibilities:
- Architect, design, and implement robust, scalable APIs and backend services.
- Ensure system scalability, reliability, and security.
- Optimize application performance and scalability.
- Integrate AI models and complex data workflows.
- Collaborate closely with product, AI, and front-end teams.
- Conduct thorough code reviews and uphold high-quality coding standards.
3) Requirements:
- Proven experience as a top-tier back-end engineer (minimum 5+ years).
- Deep expertise in Python, Node.js, or Go.
- Extensive experience with cloud infrastructure (AWS, GCP, Azure).
- Mastery of SQL and NoSQL databases.
- Experience building high-performance microservices architectures.
- Strong familiarity with CI/CD pipelines, Docker, Kubernetes.
- Demonstrated track record of building systems handling millions of requests.
- Exceptional problem-solving, analytical skills, and passion for technology.
4) Bonus Points:
- Background in AI, ML integrations, or large-scale data processing.
- Experience with real-time communication technologies (WebSockets, SIP, RTP).
B) Front-end Role
1) Role Overview: As a Front-End Engineer at CozmoX AI, you'll build intuitive, visually compelling, and highly interactive web interfaces that connect users to powerful AI-driven services.
2) Key Responsibilities:
- Develop world-class, highly responsive user interfaces using modern frameworks (React, Vue, Angular).
- Collaborate with designers and product managers to translate designs into exceptional UI/UX experiences.
- Ensure cross-browser compatibility and responsiveness across platforms.
- Implement rigorous testing to ensure robustness and maintainability.
- Optimize applications for maximum speed and scalability.
- Contribute to defining best practices and architectural standards.
3) Requirements:
- Proven top-tier front-end engineering experience (minimum 5+ years).
- Mastery in JavaScript/TypeScript, HTML5, and CSS3.
- Deep expertise with modern front-end frameworks (React, Vue, Angular).
- Extensive experience with state management libraries (Redux, Vuex, MobX).
- Strong understanding of responsive design, accessibility, and UX principles.
- Experience with build tools and package managers (Webpack, Babel, npm).
- Proven experience building complex, data-driven web applications.
- Exceptional attention to detail and passion for user-centered design.
4) Bonus Points:
- Familiarity with UI/UX design tools (Figma, Sketch).
- Experience with real-time front-end applications or WebRTC technologies.