Lago

Technology & IT

FullStackDeveloper(AIFirst)

$2–4k Brazil FULL TIME Remote Friendly
The Brief

“Full-Stack Developer (AI-First) at Lago. Skills: Full-Stack Development, AI-assisted development, scalability, performance optimization, system design. Leverage AI tools (Claude Code, Cursor) as primary development environments. Design and orchestrate agentic workflows and sub-agents”

What You'll Achieve.

move faster and build smarter at scale; building and scaling a high-performance, globally distributed platform; build systems capable of handling millions of concurrent users

Industry & Context.

Technology & IT
Problems you'll solve

think in systems; optimize performance; build infrastructure that scales seamlessly under heavy load

Eligibility Requirements

Agree to Lago’s Confidentiality and Non-Circumvention Agreement

What They're Looking For.

Must Have

Proven experience as a Full-Stack Developer in high-scale environments, 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, 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, communication skills in English

Nice to Have

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

What You'll Do.

Leverage AI tools (Claude Code

Cursor) as primary development environments

Design and orchestrate agentic workflows and sub-agents

Use AI to accelerate development

Build and maintain scalable frontend and backend systems

Develop across multiple portals (Consumer

and high-quality code

Optimize database queries and system performance

Design and manage caching layers and connection pools

Build systems capable of handling millions of concurrent users

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

Architect distributed systems for global scale

and high availability

Collaborate on infrastructure and backend architecture decisions

How You'll Work.

Team & Collaboration

Collaborate on infrastructure and backend architecture decisions; Collaborate with passionate professionals who value teamwork and innovation

Communication Scope

English

Free ATS check

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