Interbranche GMBH

Location: Hybrid — 2 days/week in Warsaw office, rest remote
Contract: Full-time, 12 months (with possible extension)

About the Role

We are looking for a Senior Full Stack Developer (Angular + Python) to join an international client with offices in the USA, Europe, and Asia. The consultant will work closely with AI and mathematical modelling experts to build PoCs and MVPs for internal customers. This role involves developing and testing prototypes, integrating with enterprise cloud environments, and contributing to cutting-edge projects in a hybrid setup.

Key Responsibilities

• Develop PoCs and MVPs in collaboration with AI and mathematical modelling teams.
• Build and maintain microservices and micro-frontends using FastAPI + Angular stack.
• Migrate existing Streamlit applications to more scalable solutions.
• Design, build, and consume APIs.
• Integrate with enterprise cloud environments (Azure, AWS) for authentication, data lakes (S3, Blob), and compute (K8s, batch).
• Work with SQL and NoSQL databases.
• Contribute to DevOps practices, CI/CD pipelines (GitHub Actions).
• Participate in early-stage prototype projects involving MCP and RAG engineering.
• Ensure proactive communication and progress, even with dynamic project requirements.

Requirements

• 5+ years of professional experience with Angular.
• 5+ years of professional experience with Python.
• Strong expertise in FastAPI, microservices, micro-frontends, and API design.
• Experience with Cloud platforms (Azure, AWS).
• Hands-on knowledge of SQL & NoSQL databases.
• Proficiency with Git, DevOps practices, CI/CD pipelines.
• Experience with MCP and RAG engineering is a strong advantage.
• Excellent understanding of modern front-end development with Angular.
• Strong English communication skills (B2+).
• Must be based in Poland (Warsaw or nearby) or willing to relocate.
• Ability to work on-site in Warsaw 2 days per week (hybrid model).

Nice to Have

• Experience with data lakes and large-scale data integration.
• Familiarity with Streamlit migration.
• Knowledge of Polish language (not required, but a plus).

What We Offer

• Opportunity to work on international, innovative projects with leading experts.
• A hybrid work model (2 days onsite in Warsaw, rest remote).
• Collaboration with teams across Europe, USA, and Asia.
• A professional environment focused on prototyping, innovation, and AI-driven solutions.

Contract: 12 months (Full-time, Full-remote)
Location: Europe (EU + Serbia, Albania, Bosnia, Kosovo, Montenegro, North Macedonia, Ukraine, Georgia, Moldova, Armenia, Kazakhstan, Azerbaijan, Turkey)

About the Role

We are looking for a Senior Python NLP Engineer to join our team for a long-term project (12 months). The role is fully remote and full-time, offering the opportunity to work with cutting-edge technologies in the field of Natural Language Processing.

You will be responsible for designing, implementing, and optimizing advanced NLP pipelines, working with RAG architectures, and building scalable AI-driven applications. The ideal candidate has deep expertise in Python and NLP frameworks, with proven experience in system optimization and parallelization of sequential processes.

Responsibilities

• Design, build, and optimize NLP pipelines for production use.
• Implement and fine-tune Retrieval-Augmented Generation (RAG) solutions using LangChain and vector databases (e.g., Weaviate).
• Optimize sequential processes by applying parallelization techniques.
• Develop scalable microservices with FastAPI or Flask.
• Integrate and manage relational databases (PostgreSQL with SQLAlchemy).
• Work with AWS services to deploy and scale NLP applications.
• Collaborate closely with the product and research teams to translate business needs into technical solutions.
• Ensure best practices for performance, reliability, and security in all deliverables.

Requirements

• 5+ years of professional experience with Python in production environments.
• Strong expertise in NLP (experience with advanced libraries, frameworks, and architectures).
• Proven hands-on experience with RAG, LangChain, Weaviate.
• Solid knowledge of NLP pipeline optimization and parallelization techniques.
• Experience with FastAPI or Flask, SQLAlchemy, PostgreSQL.
• Hands-on experience with AWS services (e.g., S3, Lambda, ECS, etc.).
• Strong understanding of software architecture, system design, and optimization.
• Excellent problem-solving and communication skills.
• Ability to work independently in a fully remote, distributed team.

Nice to Have

• Experience with ML model deployment and monitoring.
• Familiarity with containerization (Docker, Kubernetes).
• Knowledge of other vector databases or search engines (Pinecone, Elasticsearch, etc.).

What We Offer

• Long-term engagement: 12 months contract.
• Full-time, fully remote role.
• Opportunity to work with state-of-the-art NLP and AI technologies.
• Competitive compensation package.
• International, professional, and collaborative environment.