**Job Title: **Full-Stack Developer (AI-First)
Location: Remote (Open to:Czech Republic, Poland, Slovakia, Romania)
Schedule: Monday - Friday. 9AM - 5PM EST - Full-Time (Flexible)
Salary Range: $1,800 – $3,500 USD per month ($11 – $22 USD/hour)
An AI-powered veterinary care ecosystem designed to serve 20,000+ clinics across 100+ countries. Powered by Marcia, a proprietary AI platform, it operates across six integrated portals and supports millions of users with tens of millions of concurrent sessions.
This is not a traditional engineering role. It is an AI-first environment where developers are expected to fully embrace agentic workflows, automation, and AI-assisted development to move faster and build smarter at scale.
Role Overview
We’re looking for a Full-Stack Developer who is not only technically strong but deeply experienced in AI-assisted development workflows. You will play a critical role in building and scaling a high-performance, globally distributed platform.
You should be comfortable working with tools like Claude Code and Cursor, orchestrating sub-agents, and leveraging AI across the development lifecycle. This role requires someone who can think in systems, optimize performance, and build infrastructure that scales seamlessly under heavy load.
Responsibilities
AI-Assisted Development
-
Leverage AI tools (Claude Code, Cursor) as primary development environments
-
Design and orchestrate agentic workflows and sub-agents
-
Use AI to accelerate development, testing, and debugging
Full-Stack Development
-
Build and maintain scalable frontend and backend systems
-
Develop across multiple portals (Consumer, Clinic, Enterprise, Platform, Referral, Admin)
-
Ensure clean, maintainable, and high-quality code
Performance & Scalability
-
Optimize database queries and system performance
-
Design and manage caching layers and connection pools
-
Build systems capable of handling millions of concurrent users
Code Quality & Security
-
Ensure all code passes automated review pipelines (5+ bots) before human review
-
Meet SonarCloud quality gates on first push
-
Maintain strict security best practices and hygiene
System Design
-
Architect distributed systems for global scale
-
Ensure reliability, fault tolerance, and high availability
-
Collaborate on infrastructure and backend architecture decisions
Requirements
-
Proven experience as a Full-Stack Developer in high-scale environments
-
Strong proficiency in both frontend and backend development
-
Hands-on experience with AI-assisted coding tools and workflows
-
Deep understanding of scalability, performance optimization, and system design
-
Experience optimizing databases, APIs, and distributed systems
-
Strong knowledge of caching strategies and concurrency handling
-
Ability to pass strict automated code quality and security standards
-
Comfortable working in a fast-paced, high-performance engineering culture
-
Strong communication skills in English
Nice-to-Haves
-
Experience with agent-based or autonomous development systems
-
Familiarity with large-scale SaaS or platform ecosystems
-
Experience working with global, distributed systems
-
Background in high-traffic applications or real-time systems
Ideal Candidate Profile
-
AI-first thinker who naturally integrates automation into workflows
-
Highly technical and performance-driven
-
Systems-oriented with strong architectural instincts
-
Detail-oriented with a strong focus on code quality and security
-
Thrives in high-scale, high-impact environments
-
Fast executor who values efficiency, speed, and precision
Benefits
-
Remote Work Flexibility – Work from anywhere while staying connected with a high-performing team.
-
Career Growth Opportunities – Expand your expertise in digital marketing and client management.
-
Supportive Team Culture – Collaborate with passionate professionals who value teamwork and innovation.
*As part of our recruitment process, all candidates are kindly asked to read, understand, and agree to * Lago’s Confidentiality and Non-Circumvention Agreement . This ensures a respectful and professional experience for everyone involved.
-
Remote Work: Work from anywhere—our team is global, and we value work-life balance.
-
Growth Opportunities: As a key player i you’ll have the chance to shape your role and grow with us.
-
Innovative Culture: Join a team that is passionate about leveraging data to solve challenges and drive success in a rapidly evolving market.
*As part of our recruitment process, all candidates will be kindly asked to agree to * Lago’s Confidentiality and Non-Circumvention Agreement . This ensures a respectful and professional experience for everyone involved.