Software Architect – AI, Agentic Systems
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Job Description
Software Architect leading agentic AI coding platform development for Ubiminds’ U.S. software partners. Designing LLM workflows, orchestration layers, and scalable AWS architecture.
Responsibilities:
- Architect and lead development of an AI-first coding platform.
- Design systems where AI agents and developers collaborate in real time.
- Build and implement agentic systems capable of planning tasks, writing code, running tests, and deploying applications.
- Integrate LLMs, especially Claude, into production workflows.
- Design tool-use/function-calling and agent-orchestration layers.
- Implement long-context management and multi-step reasoning loops.
- Define architecture for scalable, distributed AI systems on AWS.
- Evaluate .NET and alternative ecosystems to select the best tools for each challenge.
- Work closely with engineering teams to bring architecture into production.
Requirements:
- Strong experience as a Software Architect or Staff+ Engineer.
- Proven experience building or designing AI/agentic systems.
- Deep understanding of LLM integrations, especially Claude or similar models.
- Deep understanding of function calling / tool-use patterns.
- Deep understanding of agent orchestration and reasoning loops.
- Deep understanding of prompt engineering and context management.
- Hands-on experience with AWS and complex cloud-native architectures.
- Strong background in distributed systems and scalable platform design.
- Experience working across different stacks; current foundation in .NET, with openness to other ecosystems.
- Ability to make high-impact architectural decisions in fast-evolving environments.
- Strong communication skills and ability to influence technical direction.
- English proficiency at C1 level, written and verbal.
- Nice-to-have: experience building developer platforms or coding tools.
- Nice-to-have: familiarity with Replit, Cursor, or AI-assisted IDEs.
- Nice-to-have: experience with multi-agent systems or orchestration frameworks.
- Nice-to-have: background in DevOps automation or AI-powered CI/CD pipelines.
- Nice-to-have: exposure to product-led engineering environments.
Benefits:
- You are placed in a product-based company, with the same treatment as their full-time employees.
- Have our full back-office support, from career guidance to HR and concierge services.
- Enjoy our remote-first policy – we are a distributed team, after all.
- Get your own MacBook (none of that "bring your own device" stuff here).
- Have access to growth opportunities with other amazing technology professionals, through tech talks, chapter meetings, and even remote happy hours for tons of fun!
- Improve your English through free lessons with a native English speaker - get to the next level on your communication skills!
- Candidate Referral bonus (promote Ubi to your tech friends, and get paid for it!)
- Florianópolis headquarters available whenever desired, with weekly quick massages, tasty snacks, soft drinks, and games
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