AI-Driven R&D Architect & Full-Stack Prototyper

Trinetix; Poland; Remote; PLN 180,000 - 300,000; Full time

Job summary

Trinetix is seeking a hands-on R&D Architect with a strong Full Stack background to design, prototype, and build AI-powered solutions. You will blend software engineering excellence with a keen interest in emerging AI technologies to rapidly turn ideas into functional prototypes.

The role requires deep Python and C#/.NET experience, plus expertise in REST APIs, React/TypeScript, and cloud platforms. You will collaborate across teams to design scalable prototypes and production-ready services.

Qualifications

• Strong Full Stack development background.
• Proficient in English communication.
• Experience with Python and C# / .NET.
• Experience with OpenAI/Anthropic APIs and AI agents.
• Knowledge of REST APIs, OAuth, and third-party integrations.
• Experience with SQL / PostgreSQL and data modeling.
• UI development with React/TypeScript.
• Familiarity with AWS or Azure and CI/CD.

Responsibilities

• Act as a hands-on R&D Architect, combining architectural thinking with software development.
• Design and prototype AI-powered solutions and internal tools.
• Evaluate and integrate OpenAI, Anthropic, and other AI services.
• Design and implement AI agents, prompts, MCP integrations, and supporting services.
• Develop backend services and integrations using Python and C#/.NET.
• Build functional internal UIs using React/TypeScript or similar technologies.
• Design and integrate REST APIs, webhooks, OAuth flows, and third-party services.
• Work with SQL/PostgreSQL and contribute to data modeling and solution design.
• Leverage AWS/Azure and CI/CD practices to support prototypes and production-ready solutions.
• Rapidly validate technical concepts and turn ideas into working prototypes.
• Collaborate with engineering and business stakeholders to translate requirements into scalable technical solutions.

Skills

English

Python

C# / .NET

OpenAI/Anthropic APIs

REST APIs

SQL / PostgreSQL

React / TypeScript

AWS / Azure

Prototyping

Full Stack Developer

Job description

Trinetix is seeking a hands-on R&D Architect with a strong Full Stack background to design, prototype, and build AI-powered solutions. You will blend software engineering excellence with a keen interest in emerging AI technologies to rapidly turn ideas into functional prototypes.

The role requires deep Python and C#/.NET experience, plus expertise in REST APIs, React/TypeScript, and cloud platforms. You will collaborate across teams to design scalable prototypes and production-ready services.