Job Description – Lead Software Engineer – Applications
Kleio was recently founded to revolutionize how companies engage with customers and boost sales. We are building Persuasive AI: a multi-agent conversational AI capable of autonomously engaging consumers in rich conversations to capture and convert leads.
We are seeing strong traction across industries such as travel, real estate, domestic appliances, and cosmetics. Now, we are looking for highly skilled software engineers who believe AI will redefine digital interactions.
The Role
As a Lead Software Engineer – Applications, you will play a pivotal role in developing AI-powered user-facing applications for end users, customers, partners, and internal teams. You will design and build:
- Conversational interfaces – web-based AI chat experiences with dynamic interaction modes
- Multichannel AI interactions – rich messaging experiences across WhatsApp, Messenger, SMS, and other platforms
- AI cockpit dashboards – advanced tools for customers to review conversations, extract insights, manage leads, and configure AI behavior
As an early team member, you will help shape our company culture, hire top talent, and build cutting-edge AI-driven applications. This role is ideal for someone who thrives in a fast-paced, collaborative environment and is capable of executing precisely.
Responsibilities
- Design and develop user-facing applications that enhance AI interactions and system configurations
- Build integrations with third-party platforms (e.g., CMS, CRM)
- Contribute to cross-team technical discussions on architecture, UI/UX, back-end development, and integrations
- Engage directly with customers to demonstrate Kleio’s capabilities and provide technical support
- Help grow a high-performing, diverse engineering team
Our Stack
We prioritize proven, modern technologies that allow us to move fast and efficiently. Our current stack includes:
- Frontend: Svelte / TypeScript
- Backend: TypeScript (Next.js) + Python (FastAPI)
- AI Infrastructure: Hosted LLM services (open & closed source LLMs)
- Databases: GCS, Redis, relational, vector, and graph databases
- Cloud Hosting: Google Cloud Platform
Qualifications
- 3+ years of professional full-stack development experience
- Proven track record of designing and building scalable web applications
- Strong hands-on experience with front-end frameworks; Svelte experience is a plus
- Ability to take full ownership of projects, from concept to deployment
- Excellent communication skills in English, with the ability to present ideas to customers and product managers
Preferred Qualifications
- Interest in Generative AI and experience integrating LLM APIs
- Degree in Computer Science, Mathematics, or a related field
- Familiarity with Agile development methodologies
- Experience leading engineering teams or projects
Why Join Us?
- Build AI-powered applications that redefine user interactions
- Work at the intersection of conversational AI, UI/UX, and enterprise software
- Join a fast-growing team with a strong vision and industry traction
- Take ownership of key projects and contribute to high-impact engineering decisions
