Senior Python Engineer at EPAM Systems – Poland | Jobyssey

We are seeking a talented and motivated Senior Python Engineer to join our dynamic team, bringing hands-on experience in Python development and familiarity with the Azure environment and related technologies, along with a solid understanding of event-based design patterns and RAG architecture.

Responsibilities

Develop and maintain Python applications that meet business requirements and technical specifications
Collaborate with cross-functional teams to design, develop, and implement software solutions
Utilize Azure services and technologies to build scalable and efficient applications
Implement event-based design patterns to enhance application functionality and performance
Apply knowledge of RAG architecture to relevant projects
Troubleshoot, debug, and optimize code to ensure high performance and reliability
Stay updated with the latest industry trends, technologies, and best practices in Python development and cloud computing
Evaluate trade-offs and select appropriate tools, frameworks, and architectural patterns for a given problem
Develop PoCs and iterate quickly based on results

Requirements

At least 5+ years of practical experience in Python development and delivering production systems
Proficiency in advanced Python, especially in scalable, clean code architecture and microservices (e.g., FastAPI, asyncio)
Understanding of API integration patterns and inter-service communication (e.g., REST, Kafka)
Track record of at least two backend/data-intensive solutions successfully delivered to production, ideally involving high-throughput APIs, data pipelines, or search/retrieval systems
Practical knowledge and hands-on experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB), caching layers (e.g., Redis), and message queues
Experience with containerization (Docker, Kubernetes)
Strong grasp of software engineering fundamentals: data structures, algorithms, and concurrency
Skills in asynchronous programming and API design (REST/gRPC)
Understanding of testing practices: unit, integration, and end-to-end testing (e.g., pytest), plus CI/CD pipelines
Familiarity with cloud platforms (e.g., Azure, AWS, GCP) and infrastructure-as-code
Strong debugging, profiling, and optimization skills for high-performance Python applications
English proficiency at B2 level or higher

Nice to have

Familiarity with agentic frameworks such as LangChain/LangGraph, LlamaIndex, or similar
Practical experience integrating LLMs (e.g., OpenAI, Anthropic) into production applications, including prompt engineering and tool/function calling
Knowledge of RAG architectures, embeddings (e.g., OpenAI), and vector databases (e.g., FAISS, Azure AI Search)
Understanding of LLM evaluation, guardrails, and cost/latency trade-offs when designing AI-powered services

Benefits

We gather like-minded people:

Top tech minds driving innovation in AI, cloud and digital platform modernization
Supportive team and agile, startup-like culture
Hybrid by design mode and opportunity to work remotely within Poland
Chance to work abroad for up to 60 days annually
Business-driven relocation opportunities

We provide growth opportunities:

Career development programs
Thought leadership, mentoring, soft skills and well-being programs
Certification (Anthropic, Gemini, GCP, Azure, AWS)
English classes

We cover it all:

Stable pay
Participation in the Employee Stock Purchase Plan with a 15% discount
Benefits package (health insurance, multisport, shopping vouchers)
Referral bonuses up to $2,000
Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
Corporate, social and well-being events

Please, note:

Benefits listed above are available to employees only
We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
We will reach out to selected candidates exclusively

Explore more jobs

Responsibilities

Requirements

Nice to have

Benefits