Senior Data Engineer (Python / GenAI)

🏢 Summary: Hybrid Senior Python Developer role focused on building high-performance APIs, microservices, and large-scale data processing pipelines within NLP, Machine Learning, and Generative AI systems. The position involves developing event-driven architectures, optimizing streaming and GPU-based workloads, and collaborating with ML teams to productionize models. You will work across the full service lifecycle in a cloud-based, production environment. 🗂️ Requirements: 5+ years of experience building and maintaining production systems, Strong Python backend development experience, Experience building APIs with FastAPI, Flask, or similar frameworks, Hands-on experience with streaming or message-based systems, Strong knowledge of Docker and Kubernetes, Proficiency in Linux environments, Experience with AWS (compute, storage, networking, monitoring), Experience with CI/CD pipelines and automated testing, Experience with logging and monitoring tools 📃 Skills: Python, FastAPI, Flask, Kafka, Docker, Kubernetes, Linux, AWS, CI/CD, Git, REST, Microservices, NLP, MachineLearning, GenerativeAI, GPU, Go, .NET 🏢 Description: Senior Python Developer 📍 Gdańsk, Poland | Hybrid (3 days from the office, 2 days remote) About the Company An international technology organization delivering advanced solutions that support engineering workflows and knowledge management. The company develops platforms and tools that enable efficient data processing, automation, and decision-making at scale across complex business environments. About the Team The Core Intelligence team is responsible for building and operating core backend services and large-scale data processing pipelines. The team works at the intersection of NLP, Machine Learning, and Generative AI, transforming unstructured and semi-structured data into high-quality, actionable insights. You will collaborate closely with software engineers, data scientists, and ML engineers to deliver robust, production-grade systems that bring advanced models into real-world applications. Responsibilities Design and develop high-performance APIs supporting data processing and intelligent systems Build and maintain production-grade microservices and data pipelines Implement and operate event-driven architectures and streaming systems Optimize data pipelines including preprocessing, model serving, and inference (including GPU workloads) Participate in the full service lifecycle: design, development, deployment, monitoring, and continuous improvement Collaborate with Data Science and ML teams to productionize models Requirements 5 + years of experience building and maintaining production systems Strong Python skills (backend development, APIs – e.g., FastAPI, Flask , or similar) Hands-on experience with streaming/message-based systems (e.g., Kafka ) Solid understanding of Docker , Kubernetes , and Linux environments Experience working with cloud platforms (preferably AWS : compute, storage, networking, monitoring) Familiarity with CI/CD pipelines, automated testing, logging, and monitoring Experience with Go, .NET, or other programming languages is a plus. Nice to Have Experience with data-intensive systems Interest or experience in Machine Learning, Generative AI, or agent-based systems. We offer Hybrid work model: 3 days per week from our modern office in Gdańsk Przymorze, 2 days remote. Employment via Antal: choice of employment contract or B2B contract, depending on your preference. Strong engineering culture, direct access to experienced experts and real influence on architecture and technology choices. All necessary equipment for effective office and home work. Attractive benefits package including private medical care, Multisport, life insurance and wellbeing initiatives. Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Senior Python Engineer role focused on building and optimizing cloud-native AI applications using Generative AI and Azure within a large-scale data platform. The position involves developing scalable Python solutions, implementing event-driven architectures, and applying RAG principles for advanced AI use cases. 🗂️ Requirements: Excellent Python coding skills, Proven hands-on Python development experience, Experience with Generative AI and LLMs, Familiarity with Azure services and environment, Strong understanding of event-based design patterns, Knowledge of RAG architecture principles 📃 Skills: Python, Azure, GenAI, LLMs, RAG, EventDriven, Cloud 🏢 Description: We are seeking a highly skilled Senior Python Engineer with experience in Generative AI and Azure, for our Client, a global leader in banking, investment banking and financial services. You’ll be working in the AI platform team, which consists of data scientists, software engineers, and business analysts. They process huge amounts of data for multiple use cases, using both classic machine learning models and modern generative AI. They are quickly growing in the areas of chatbots and agents, and are technologically savvy and cloud native. This position offers a flex-hybrid model of work, with 3 days per week working from the office located in Krakow. 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 Utilize understanding of the RAG architecture 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 Requirements Excellent Python coding skills Proven hands-on experience with Python development Experience in Gen AI and LLMs Familiarity with the Azure environment and related technologies Strong understanding of event-based design patterns Knowledge of RAG architecture principles Excellent problem-solving skills and attention to detail Strong communication and collaboration abilities Nice to have Experience working in the financial services industry Certification in Azure or related cloud technologies Familiarity with other programming languages and frameworks Understanding of Agile methodologies and DevOps practices We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule 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: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Software Engineer role focused on designing, building, and supporting scalable applications in the financial domain within a small Agile team. The position covers the full software development lifecycle, including analysis, design, implementation, testing, deployment, and production support. It emphasizes microservices and event-driven architecture with strong engineering standards and ownership. 🗂️ Requirements: Minimum 5 years of professional software development experience, Strong knowledge of Java, Strong knowledge of Python, Hands-on experience with Spring Framework, Understanding of SOLID principles, Knowledge of Clean Code practices, Experience with DDD and BDD, Experience with SQL and NoSQL databases, Experience with PostgreSQL, Experience with MongoDB, Familiarity with microservices architecture, Experience with event-driven or streaming systems 📃 Skills: Java, Python, Spring, SQL, NoSQL, PostgreSQL, MongoDB, Microservices, EventDriven, SOLID, CleanCode, DDD, BDD 🏢 Description: Senior Software Engineer 📍 Kraków, Poland (hybrid – min. 2 days/week in the office) 🕒 Full-time | B2B 190-230PLN netto/h About the Role We are looking for an experienced Senior Software Engineer to join a global technology team delivering innovative digital solutions in the financial domain. In this role, you will work closely with a Development Manager and a small, cross-functional team to build and maintain scalable applications. You will be involved in the entire software development lifecycle – from analysis and design to deployment and production support. This is a hands-on role in a collaborative environment where teams take full ownership: “you build it, you support it.” Your Responsibilities Work in a small Agile team (4–6 people) with a dedicated Product Owner Translate business requirements into user stories and deliver them iteratively to production Design and implement high-quality, scalable solutions aligned with technical standards Participate in all stages of the development lifecycle, including testing and production support Identify and manage technical debt, balancing it with new feature development Collaborate closely with team members through pairing and knowledge sharing Contribute to a culture of continuous improvement and experimentation Required Skills & Experience Minimum 5 years of professional software development experience Strong knowledge of Java and Python Hands-on experience with Spring Framework Solid understanding of software engineering principles ( SOLID, Clean Code, DDD, BDD ) Experience with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB) Familiarity with microservices architecture Experience with event-driven systems / streaming technologies Strong communication skills in English (written and spoken) Ability to collaborate, mentor, and support other engineers Nice to Have Experience with JavaScript (Vue.js) Background in AI / Machine Learning / NLP / Data Science Knowledge of: Prompt Engineering LangChain / LangGraph Clean Architecture What You Can Expect Work in a globally distributed engineering organization Small, self-organizing teams with strong ownership Continuous delivery approach (no traditional sprints – focus on flow and frequent releases) Opportunity to work on cutting-edge AI-driven solutions Exposure to modern technologies and experimentation with new tools A collaborative culture where learning, pairing, and knowledge sharing are encouraged Benefits: Multisport Card and Luxmed Who We’re Looking For We value engineers who: Are curious, adaptable, and open to experimentation Enjoy solving complex problems with technology Take ownership and responsibility for their work Are comfortable stepping outside their specialization when needed See failure as a learning opportunity Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Senior Python Data Engineer role focused on building and maintaining scalable data-driven applications and regulatory reporting solutions within an investment banking environment. The position involves developing reliable data pipelines, working with big data technologies, and contributing across the full software development lifecycle in a hybrid work model. 🗂️ Requirements: Bachelor's degree in Computer Science or equivalent IT field, 5+ years of experience in a similar role, Experience with Big Data, Data Warehouse and Data Lake, Hands-on experience building scalable data pipelines, Experience processing high-volume batch and streaming data, Expertise in Databricks, Expertise in Python, Expertise in Spark, Familiarity with Delta Lake, Familiarity with DLT, Familiarity with GitLab, Knowledge of Azure cloud technologies, Knowledge of Unix/Linux, Shell scripting skills, Experience designing high-throughput and low-latency applications, Experience building automated functional testing and CI/CD pipelines, Ability to implement prototypes and iterate using engineering best practices, Hands-on usage of AI in engineering SDLC, English proficiency at B2 level or higher 📃 Skills: Python, Spark, Databricks, Delta, DLT, GitLab, Azure, Unix, Linux, Shell, CI/CD, SQL, PLSQL, PostgreSQL 🏢 Description: We are seeking a hands-on Senior Python Data Engineer to join the Regulatory Reporting team in Poland within the Investment Bank's Digital Operations Stream, working to transform and improve products and platforms relied on by Regulatory and Data Clients. Working from the client's office is required 3 days per week. Responsibilities - Design, implement and maintain new and existing data-driven applications - Develop and deliver solutions end to end - Engineer reliable data pipelines for sourcing, processing, distributing and storing data - Design data models that can support ever-growing volumes - Contribute to all stages of the software development lifecycle - Provide technical expertise, recommendations and innovative solutions - Collaborate with the product owner and other technologists - Share expertise and best practice with colleagues and contribute regularly to the engineering culture Requirements - Hold a Bachelor's degree in Computer Science or equivalent in the IT field with 5+ years of experience in a similar role - Background in Big Data, Data warehouse and Data lake - Showcase of hands-on experience building scalable data pipelines, processing high volume data in batch and stream for near real-time analytics - Expertise in Databricks, Python and Spark - Familiarity with Delta Lake, DLT and GitLab - Knowledge of Cloud technologies such as Azure, Unix/Linux and shell scripting - Expertise designing applications considering NFRs around high throughput and low latency for data processing - Expertise building automated functional testing and CI/CD pipelines using industry standard tools - Capability to quickly implement prototypes and iterate to harden the product with good engineering principles - Hands-on usage of AI in engineering SDLC - English proficiency at B2 level or higher Nice to have - Proficiency in database development including SQL, PL/SQL, PostgreSQL and Azure SQL We offer - 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 - Career development programs - Thought leadership, mentoring, soft skills and well-being programs - Certification opportunities in Anthropic, Gemini, GCP, Azure and AWS - English classes - Stable pay - Participation in the Employee Stock Purchase Plan with a 15% discount - Benefits package including health insurance, multisport and 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 - Terms of B2B cooperation agreements are agreed individually - Only selected candidates will be contacted

🏢 Summary: Senior Python Backend Developer role focused on building scalable microservices and AI-driven data integration solutions for Generative AI workflows in a hybrid Kraków-based environment. The position involves developing cloud-based data pipelines, integrating diverse data sources, and supporting secure AI ecosystems within the financial sector. 🗂️ Requirements: 5+ years of Python backend development experience, FastAPI expertise, Microservices architecture experience, Experience with MongoDB, Experience with PostgreSQL, Experience with GCP BigQuery, Knowledge of Vector stores, Knowledge of Hadoop, Knowledge of Starburst, Experience with GCP or Azure, Familiarity with Google ADK, Familiarity with Memory stores, Familiarity with RAGs, Familiarity with Context Engineering, Familiarity with Evaluation systems, Good English communication skills, Legal right to work in the European Union 📃 Skills: Python, FastAPI, MongoDB, PostgreSQL, BigQuery, Hadoop, Starburst, GCP, Azure, ADK, RAG, Microservices 🏢 Description: Unleash innovation at the forefront of AI – Empower data-driven solutions that transform industries! Kraków-based opportunity with a hybrid work model (up to 3 remote days per week). As a Senior Python Backend Developer – Generative AI Data Integration, you will be working on delivering cutting-edge Generative AI experiences. The team focuses on expanding data integration capabilities to unlock new insights, enhance decision-making, and create innovative, efficient solutions that impact global financial operations. Your main responsibilities: - Develop and maintain scalable microservices leveraging Python and FastAPI to support Generative AI data workflows. - Design and implement efficient data transfer pipelines sourcing data from various systems for AI models. - Build agents that interact with diverse data sources, ensuring seamless integration with GenAI solutions. - Collaborate with cross-functional teams to optimize data architecture and pipelines in cloud environments. - Ensure robust data security, governance, and compliance in all integrations. - Contribute to the continuous improvement and innovation of data solutions within the AI ecosystem. - Maintain documentation and support hands-on testing and deployment procedures. You're ideal for this role if you have: - At least 5 years of experience in Python backend development within complex data-driven environments. - Strong expertise with FastAPI framework and microservices architecture. - Hands-on experience with databases such as MongoDB, PostgreSQL, and GCP BigQuery. - Knowledge of Vector stores, Hadoop, and Starburst (Data Virtualization). - Experience working with Google Cloud Platform (GCP) and/or Azure Cloud. - Familiarity with Google ADK, Memory stores, RAGs, Context Engineering, and Evaluation systems. It is a strong plus if you have: - Certifications or experience in AI/ML systems. - Knowledge of data security and compliance standards pertinent to financial services. Language Required for the role: - Good command of English – communicative level required. Eligibility for the role: - Only candidates with an existing legal right to work in the European Union will be considered for this role.

🏢 Summary: The offer is for a Senior Python AI Engineer to build and deploy a GenAI agent that learns from past RFP/RFI responses and accelerates new request handling. The role focuses on developing agentic AI solutions with RAG pipelines and running them reliably on AWS. You will design, implement, and maintain scalable, production-grade GenAI services within an Agile team. 🗂️ Requirements: 3+ years of Python development experience, Hands-on experience with LangChain, LangGraph or similar agent frameworks, Experience with LLM/GenAI projects, Understanding of agentic design patterns (tools, planners, memory), Knowledge of vector databases and embeddings, Experience with prompt engineering, Proficiency with Docker, Experience with Git-based CI/CD, Experience with automated testing, Experience deploying solutions on AWS, Upper-Intermediate (B2) English or higher 📃 Skills: Python, LangChain, LangGraph, LLM, GenAI, RAG, AWS, Docker, Git, CI/CD, VectorDB, Embeddings, Prompting, Serverless, APIs 🏢 Description: We are seeking a Senior Python AI Engineer who has hands-on experience with agentic AI frameworks (LangChain, LangGraph, etc.) and knows how to run GenAI workloads on AWS. You will join the team building a GenAI agent that learns from past RFP/RFI responses and helps teams answer new requests faster. Responsibilities Build Python services that power the GenAI agent using LangChain, LangGraph, or similar libraries Create retrieval-augmented generation (RAG) flows that pull the right context and streamline LLM responses Run the solution on AWS using containers, serverless functions, or managed AI services Instrument logging, monitoring, and guardrails to keep the agent reliable and safe Ensure the ingestion and use of RFP/RFI data follows healthcare data policies Collaborate with product, data science, and business teams to make sure the agent solves real problems Document code, APIs, and deployment steps so others can maintain and extend the solution Work within an Agile team and contribute to planning, demos, and retros Requirements 3+ years of Python development experience, with a recent focus on LLM or GenAI projects Hands-on experience with LangChain, LangGraph, or comparable agent frameworks Understanding of agentic design patterns and how to wire tools, planners, and memory together Knowledge of vector databases, embeddings, and prompt engineering Proficiency in Docker, Git-based CI/CD, and automated testing Solid communication skills and the ability to work with technical and non-technical stakeholders English language proficiency at an Upper-Intermediate level (B2) or higher Nice to have Familiarity with healthcare payer workflows, especially RFP/RFI processes Experience integrating with CRMs/workflow tools like Salesforce or ServiceNow Exposure to responsible AI, human-in-the-loop review, or safety tooling AWS or Python certifications We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule 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: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Python Engineer role focused on building and maintaining production-grade data tooling and pipelines for large-scale, time-series and event-based datasets in a high-demand environment. The position involves optimizing data workflows, ensuring data quality and observability, and working with analytical databases. Onsite employment contract in Wrocław with competitive salary and impact on internal data platforms. 🗂️ Requirements: Minimum 7 years of commercial experience with Python as primary language, Strong hands-on experience with Pandas, NumPy, Polars, Dask or similar Python data tools, Experience working with time-series, event-driven or large historical datasets, Strong SQL skills, Hands-on experience with analytical databases or data platforms (e.g. ClickHouse, Snowflake, BigQuery, Redshift, Databricks, Druid), Experience building production data pipelines, internal tools or reusable Python components, Practical approach to data quality, debugging, monitoring and performance optimisation, English proficiency at C1 level 📃 Skills: Python, Pandas, NumPy, Polars, Dask, SQL, ClickHouse, Snowflake, BigQuery, Redshift, Databricks, Druid 🏢 Description: Senior Python Engineer 📍 Wrocław, Poland | Onsite 📄 Employment contract 💰 Up to 50,000 PLN gross/month We are looking for a Senior Python Engineer to join a team building data tooling, libraries and production pipelines used in a high-scale, technically demanding environment. You will work closely with large historical, time-series and event-based datasets, helping improve how data is processed, validated, monitored and made available to technical teams. What you will work on Building and maintaining production-grade Python tools, libraries and data pipelines Working with large-scale historical, time-series and event-based datasets Improving data quality, validation, observability and monitoring Optimising data-processing workflows and pipeline performance Writing SQL queries and working with analytical databases and data platforms Collaborating with engineers and technical users to improve internal data workflows Solving practical problems around data reliability, scale and performance What we are looking for min. 7 years of commercial experience with Python as your primary programming language Strong hands-on experience with Pandas , NumPy , Polars , Dask or similar Python data tooling Experience working with time-series, event-driven or large historical datasets Strong SQL skills Hands-on experience with analytical databases or data platforms such as ClickHouse , Snowflake , BigQuery , Redshift , Databricks , Druid or similar Experience building production data pipelines, internal tools or reusable Python components A practical approach to data quality, debugging, monitoring and performance optimisation Good English communication skills (C1) What is offered Employment contract Salary up to 50,000 PLN gross per month Onsite work in Wrocław A chance to work on technically challenging, data-heavy problems Real influence on tools and workflows used by experienced technical teams International working environment and collaboration with strong engineering profiles If you enjoy Python, large-scale data and building reliable tools that make other teams more effective, we would be happy to speak with you!

🏢 Summary: The role involves designing and building GenAI-powered services in healthcare using Python, focusing on creating RAG-based LLM agents and deploying scalable solutions on AWS. The engineer will develop, deploy and maintain AI agents with proper monitoring, guardrails and data compliance. The position requires strong full-stack and AI expertise to deliver reliable, production-ready intelligent systems. 🗂️ Requirements: 5+ years of Python or ReactJS development experience, Recent hands-on experience with LLM or GenAI projects, Hands-on expertise with LangChain, LangGraph or similar frameworks, Understanding of agentic design patterns (tools, planners, memory), Knowledge of vector databases and embeddings, Experience with prompt engineering, Proficiency with Docker, Experience with Git-based CI/CD, Experience with automated testing, Ability to deploy solutions on AWS 📃 Skills: Python, ReactJS, LangChain, LangGraph, LLM, GenAI, RAG, AWS, Docker, Git, CI/CD, Testing, Embeddings, VectorDB, Prompting 🏢 Description: We are seeking a Senior Python AI Engineer (Full Stack) to design and build intelligent GenAI-powered services that solve real business challenges in the healthcare space. In this role, you will develop Python services that power GenAI agents, create retrieval-augmented generation flows, and deploy scalable solutions on AWS while collaborating with cross-functional teams to deliver reliable and safe AI experiences. Responsibilities Build Python services that power the GenAI agent, using LangChain, LangGraph or similar libraries Create retrieval-augmented generation (RAG) flows that pull the right context and streamline LLM responses Run the solution on AWS using containers, serverless or managed AI services Instrument logging, monitoring and guardrails to keep the agent reliable and safe Ensure the ingestion and use of RFP/RFI data follows healthcare data policies Collaborate with product, data science and business teams to make sure the agent solves real problems Document code, APIs and deployment steps so others can maintain and extend the solution Contribute to planning, demos and retros within an Agile team Requirements 5+ years of experience in Python or ReactJS development, with recent focus on LLM or GenAI projects Hands-on expertise in LangChain, LangGraph or comparable agent frameworks Understanding of agentic design patterns and how to wire tools, planners and memory together Knowledge of vector databases, embeddings and prompt engineering Proficiency in Docker, Git-based CI/CD and automated testing Familiarity with AI-assisted development tools (e.g., Cursor, GitHub Copilot, Code Interpreter) to accelerate prototyping and code reviews Solid communication skills and the ability to work with technical and non-technical stakeholders Nice to have Familiarity with healthcare payer workflows, especially RFP/RFI processes Background in integrating with CRMs/workflow tools like Salesforce or ServiceNow Exposure to responsible AI, human-in-the-loop review, or safety tooling AWS or Python certifications We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule 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: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Backend Python Engineer role focused on building scalable AI-powered enterprise software and owning backend services from architecture to production. The position involves backend development, distributed systems, cloud infrastructure, and technical leadership in a hybrid B2B environment. Candidates will collaborate across teams to deliver secure, high-performance applications using modern engineering and AI-assisted workflows. 🗂️ Requirements: 6+ years building production-grade backend systems, Strong Python experience, Experience with distributed systems, Knowledge of concurrency and asynchronous processing, Experience designing REST APIs, Experience with scalable architectures, Hands-on cloud platform experience, Database design and performance optimization knowledge, Experience building secure enterprise applications, Ability to own projects from design to deployment, Cross-functional collaboration skills, Strong troubleshooting and problem-solving skills, Excellent English communication skills, Experience with AI tooling and automation workflows 📃 Skills: Python, REST, AWS, GCP, Azure, SQL, TypeScript, LLM, AI, Monitoring, Logging, Observability, Automation 🏢 Description: Senior Backend Engineer (Python) 📍 Warsaw, Poland (Hybrid) ☑️ Full-time 🕦 B2B Contract 💰 $8.000 - $12.000/month We are hiring a Senior Backend Python Engineer for an innovative technology company building AI-powered enterprise software used by organizations worldwide. This role is ideal for an experienced backend engineer who enjoys designing scalable production systems, solving complex technical challenges, and taking ownership of critical backend services from architecture through production. You'll work closely with product, frontend, and platform engineers to build reliable, secure, and high-performance applications while leveraging modern AI-assisted engineering practices . As a Senior Backend Python Engineer you will provide backend development, system design, cloud infrastructure, and technical leadership in a fast-paced engineering environment where ownership and continuous improvement are highly valued. Requirements 6+ years of experience building and maintaining production-grade backend systems Strong hands-on experience with Python and modern backend development practices Strong understanding of distributed systems, concurrency, asynchronous processing, and scalable architectures Experience designing and developing REST APIs and backend services Hands-on experience with cloud platforms such as AWS, GCP, or Azure Strong knowledge of database design, performance optimization, and high-throughput applications Experience building secure, reliable enterprise applications with a security-first mindset Ability to own projects from technical design through deployment and production support Experience working closely with cross-functional engineering and product teams Strong troubleshooting, problem-solving, and communication skills Excellent written and verbal English communication skills Improve engineering leverage with AI tooling , automation, and internal workflows rather than using AI as a gimmick Nice to Have Experience building AI-powered applications, agentic systems, LLM integrations, or orchestration frameworks Experience with TypeScript or full-stack development Experience mentoring engineers or contributing to technical leadership Experience with observability, monitoring, logging, and performance optimization Experience working in fast-growing product or startup environments Responsibilities Design, develop, and maintain scalable backend services, APIs, and asynchronous processing systems Translate business requirements into robust technical solutions and scalable system designs Own services throughout their lifecycle, including deployment, monitoring, reliability, and continuous improvement Design efficient data models and optimize database performance for production workloads Collaborate with product, frontend, and platform teams to deliver end-to-end features Improve engineering productivity through automation and AI-assisted development workflows Participate in architecture discussions, code reviews, and technical decision-making Implement monitoring, logging, and observability solutions to ensure production reliability Continuously improve system scalability, performance, security, and maintainability Contribute to engineering best practices and knowledge sharing across the team

🏢 Summary: Senior Python Engineer role focused on building and optimizing an ML-ready data platform for portfolio model development. The position involves migrating Big Data workloads to Azure-native Databricks, optimizing data processing, and tuning models using Spark and Delta tables. Hybrid work model with significant involvement in cloud-based data engineering and platform optimization. 🗂️ Requirements: 3+ years of experience with Python, Bachelor’s or Master’s degree in Computer Science, IT or related field, Proficiency in Python ETL tools and processes, Experience with FastAPI, Experience with Big Data platforms, Experience migrating and optimizing workloads in Databricks, Experience tuning models using Spark and Delta tables, Ability to manage and optimize data in Azure environment, Experience updating libraries and resolving security vulnerabilities 📃 Skills: Python, FastAPI, Databricks, Azure, Spark, Java, Delta, ETL, BigData 🏢 Description: We are seeking a Senior Python Engineer with experience in FastAPI and ideally exposure to React UI, for our client, a global leader in banking, investment banking, and financial services. The product is an ML-ready platform for rapid portfolio model development and deployment. It combines data governance, Big Data, and AI — including GenAI capabilities — to boost alpha generation, enhance client services, and ensure regulatory compliance, while improving data quality and cost efficiency. The team is currently migrating from an IaaS Big Data platform to Azure-native Databricks. This position offers a flexible hybrid work model, with 3 days per week working from the office located in Wroclaw. Responsibilities Migrate and optimize data using Databricks optimization techniques Manage big data Tune models for Azure with Java Spark and Delta tables Address vulnerabilities through library version updates Requirements 3+ years of proven experience with Python Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field Proficiency in Python ETL tools and processes, and FastAPI Strong communication and collaboration skills English language proficiency at an Upper-Intermediate level (B2) or higher Nice to have Experience and knowledge of React.js We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule 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: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.