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Top Python Developers
Senior Full-Stack Engineer, Data-Aware
Location
Poland
Posted
96 days ago
Salary
0
Seniority
Senior
Job Description
Senior Full-Stack Engineer, Data-Aware
Sunscrapers
• Owning and evolving Next.js/React frontend with authenticated flows and secure session handling • Designing and implementing secure, scalable access patterns (OAuth2/OIDC, authorization boundaries) • Building and maintaining FastAPI backend services for agent-driven workflows and data integrations • Developing PoCs using latest technologies, experimenting with third party integrations • Delivering production grade applications once PoCs are validated • Creating solutions that enable data scientists and business analysts to be self-sufficient as much as possible • Finding new ways how to leverage Gen AI applications and underlying vector and graph data storages • Working with data warehouses, databases, and building data flows for fetching and aggregation • Contributing to infrastructure-as-code and AWS-based systems • Documenting design decisions before implementation
Job Requirements
- At least 5+ years of professional experience as a software engineer (backend/full-stack)
- Undergraduate or graduate degree in Computer Science, Engineering, Mathematics, or similar
- Strong proficiency in Next.js / React for frontend development
- Solid backend development skills in Python (FastAPI, Flask, or Django)
- Experience working with data in any capacity - SQL databases, data processing, analytics, working alongside data teams, or building data-driven applications
- Proven experience building secure, scalable web applications
- Experience with AWS stack and services, proficiency in using Docker
- Experience with infrastructure-as-code tools, like Terraform
- Excellent command in spoken and written English, at least C1
- Creative problem-solving skills and excellent technical documentation
- Knowledge of OAuth2/OIDC flows, PKCE, token/session handling (extra points)
- Agent frameworks experience (OpenAI Agents, Agno, Strands) or MCP-style integrations (extra points)
- Observability stacks experience (OpenTelemetry or similar) (extra points)
- AWS ECS, VPCs, and secure networking patterns (extra points)
- Experience with integrating LLMs (OpenAI but also others, maybe open source) (extra points)
- Experience with data warehouses (Snowflake) or different database technologies (vector DBs, graph DBs) (extra points)
- Understanding of LLMs fine tuning, embedding and vector semantic searching (extra points)
- Experience with Pinecone or Neo4j (extra points)
- Experience in building ETL processes and data pipelines with platforms like Airflow (extra points)
- Proficiency in data manipulation with Python libraries (Pandas, NumPy) (extra points)
- Experience in working with repository manager, for example Jfrog Artifactory (extra points)
Benefits
- Working alongside a talented team of software engineers who are changing the image of Poland abroad
- Culture of teamwork, professional development and knowledge sharing (https://www.youtube.com/user/sunscraperscom)
- Flexible working hours and remote work possibility
- Comfortable office in central Warsaw, equipped with all the necessary tools for conquering the universe (Macbook Pro/Dell, external screen, ergonomic chairs)
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