Full Stack Developer (Python AI + Angular) – Contract

📍 Location: Multiple locations · Fully Remote from Poland | 💼 Contract

Our Client

They are a creative, UK-based, engineering studio that builds top-tier cross-platform digital products. Their strengths lie in combining research-informed product strategy, user-centric UX design, full-stack development across all major platforms, and client-focused product delivery. This holistic approach enables them to deliver tangible business outcomes—such as expanding reach with multi-platform solutions, reducing technical debt through modern technologies, gaining deeper customer insights via research, boosting engagement metrics, and providing scalable team augmentation—while fostering long-term, high-quality partnerships with globally recognized organizations.

The company has offices in London, New York, and Budapest, with around 70 team members (both contractors and full-time employees). Software development is carried out by the London and Budapest teams (the New York office focuses solely on business development), and working hours follow UK time.

About the Role

We are seeking a talented Full Stack Developer to join our client’s innovative team through OPTIVEUM sp. z o.o. In this role, you will contribute to the development of high-quality, cross-platform digital products.

The position covers both Python AI backend development and Angular frontend development. We recognise that candidates may be stronger in one area than the other. If you are highly skilled in Python with AI/ML integration or in Angular frontend development, and confident contributing across the stack, we would like to hear from you.

Responsibilities

• Develop and maintain backend services in Python, with a focus on integrating and serving existing AI/ML models.
• Build and maintain Angular applications that consume AI-powered APIs and deliver seamless user experiences.
• Collaborate with product, design, and engineering teams to deliver scalable, end-to-end solutions.
• Contribute to system architecture decisions across backend and frontend.
• Ensure quality through automated testing, CI/CD pipelines, and performance monitoring.

Requirements

Python (AI Backend)

• Strong experience in Python (FastAPI, Flask, or Django).
• Familiarity with commercial LLMs (Azure AI Foundry, GPT models, GCP Gemini model APIs).
• Experience with serving/inference and agent frameworks (e.g. Semantic Kernel, LangChain).
• Strong knowledge of SQL/NoSQL databases.
• Experience building dockerised micro-services on cloud platforms (Azure/GCP).
• Strong problem-solving and communication skills.
• Experience writing unit and integration tests.

Angular (Frontend)

• Strong proficiency in Angular 12+.
• Experience with TypeScript, RxJS, and NgRx (or other state management).
• Knowledge of HTML5, CSS3, SCSS.
• Experience consuming RESTful/GraphQL APIs.
• Familiarity with automated testing frameworks (Jasmine, Karma, Jest).

Nice to Have

• Experience with AI/ML inference frameworks (e.g. TorchServe, TensorFlow Serving, ONNX Runtime).
• Knowledge of data visualisation libraries or dashboard frameworks.
• Familiarity with authentication, role-based access control, and performance tuning.

What We Offer

• Fully remote role based out of Poland.
• Salary up to 28k PLN on B2B Contract.
• B2B contract signed with Optiveum.
• Opportunity to work on high-impact international projects across multiple platforms.
• A collaborative, cross-disciplinary team environment.

Why Join Our Client?

• Work remotely with a creative, UK-based team building cutting-edge digital products.
• Be part of a collaborative and innovative environment that values your expertise.
• Opportunity to grow your skills in both backend and frontend development, with the chance to explore AI-driven solutions.
• Contribute to projects for globally recognized organizations, delivering impactful business outcomes.