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Senior Full Stack Developer
About On The Spot
About the team
AITHENA is a startup focused on creating an AI-powered tool to enhance the regulatory review process in the pharmaceutical industry.
Our goal is to build an AI-powered assistant for document analysis and review related to pharmaceutical regulations, enabling efficient search and user query responses based on a comprehensive database of legal case documents.
About the role
We are seeking a Senior Full-Stack Developer to build and maintain robust backend services while implementing UI components for their own features within an existing application.
The primary focus will be on backend development — designing scalable APIs, optimizing performance, and ensuring high reliability — while contributing to front-end tasks as needed to deliver complete, end-to-end functionality in an Agile environment.
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Responsibilities
- Write clean, concise, and scalable code, ensuring stability and proper unit testing
- Diagnose complex technical issues, evaluate options, and implement optimal solutions
- Implement new requirements in an Agile environment, adhering to architectural principles and standards
- Collaborate with the team to provide input on architecture and design, ensuring solutions are aligned with best practices
- Work on performance optimization, testing, and troubleshooting
Requirements
- 5+ years of experience in development with Python
- Experienced in frontend development using React
- Strong analytical and troubleshooting skills
- Knowledge of PostgreSQL and experience with designing and implementing data-intensive systems
- Solid understanding of software design principles, concurrency, synchronization, memory management, data structures, algorithms, etc.
- Ability to prioritize and organize effectively with good communication skills
- English B1+
Nice to have
- Basic DevOps skills, including Google Cloud Platform, K8S, Docker, CI/CD, and GitHub actions
- Experience with LLM frameworks (LlamaIndex or LangChain)
- Linux administration skills
Benefits
At On The Spot, we’re creating a workplace people would want to stay in:
supportive, well-organized, and fair in terms of conditions and benefits.
We’ll share more about our benefit package during the interviews. In the meantime, you can always check our Glassdoor reviews.
Join us
Position is open to candidates in Poland. You need to have a residence permit or another valid document allowing employment in Poland. Thank you!
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