Senior Python Data Engineer

🏢 Summary: Oferta dotyczy roli Python Backend / Data Engineera odpowiedzialnego za rozwój skalowalnej platformy danych, pipeline’ów oraz usług backendowych i REST API. Stanowisko obejmuje integracje z systemami i zewnętrznymi źródłami danych, dbanie o ich jakość oraz współpracę przy budowie architektury mikroserwisowej. 🗂️ Requirements: Minimum 5 lat doświadczenia jako Python Developer, Bardzo dobra znajomość Python, Doświadczenie z bibliotekami do przetwarzania danych, Doświadczenie w tworzeniu REST API, Bardzo dobra znajomość SQL, Praktyczne doświadczenie z PostgreSQL lub Oracle, Doświadczenie w projektowaniu i utrzymaniu pipeline’ów danych, Znajomość Git, code review, testów automatycznych i CI/CD, Umiejętność projektowania integracji między systemami i pracy z API, Komunikatywna znajomość języka angielskiego 📃 Skills: Python, Pandas, REST, FastAPI, Flask, SQL, PostgreSQL, Oracle, Git, CICD, API 🏢 Description: Do naszego zespołu poszukujemy doświadczonego Python Backend / Data Engineera, który będzie odpowiedzialny za rozwój platformy danych oraz usług backendowych wspierających procesy związane z danymi biznesowymi i rynkowymi. Jeśli lubisz pracować z danymi, budować skalowalne rozwiązania oraz rozwijać nowoczesne API, ta rola jest dla Ciebie. Zakres obowiązków Projektowanie, budowa i utrzymanie pipeline'ów danych odpowiedzialnych za pobieranie, przetwarzanie i transformację danych z systemów wewnętrznych oraz zewnętrznych źródeł rynkowych (Apache Airflow). Tworzenie i rozwój modelu danych z naciskiem na jakość, spójność oraz śledzenie pochodzenia danych. Rozwój i utrzymanie aplikacji backendowych oraz REST API w Pythonie udostępniających dane i logikę biznesową dla systemów wewnętrznych. Integracja z systemami źródłowymi i zewnętrznymi API oraz implementacja rozwiązań opartych o komunikację zdarzeniową. Dbanie o jakość kodu poprzez testy, dokumentację, monitoring oraz kontrolę jakości danych. Współpraca z zespołami produktowymi, architektami, Scrum Masterami oraz programistami przy przekładaniu wymagań biznesowych na stabilne i skalowalne rozwiązania. Dla osób zainteresowanych rozwojem Full Stack – możliwość współtworzenia warstwy frontendowej w Angularze. Wymagania Minimum 5 lat doświadczenia zawodowego jako Python Developer, Bardzo dobra znajomość języka Python. Doświadczenie w pracy z bibliotekami do przetwarzania danych (np. Pandas). Doświadczenie w tworzeniu REST API (FastAPI, Flask lub podobne frameworki). Bardzo dobra znajomość SQL oraz praktyczne doświadczenie z bazami danych PostgreSQL i/lub Oracle. Doświadczenie w projektowaniu i utrzymaniu pipeline'ów danych, mile widziana znajomość Apache Airflow. Znajomość Git, code review, testów automatycznych oraz praktyk CI/CD. Umiejętność projektowania integracji pomiędzy systemami i pracy z API. Komunikatywna znajomość języka angielskiego umożliwiająca pracę w międzynarodowym środowisku. Mile widziane Doświadczenie frontendowe w Angularze. Znajomość rozwiązań chmurowych oraz technologii konteneryzacji (Docker, Kubernetes) . Doświadczenie z platformami event streaming (np. Kafka). Znajomość narzędzi do monitorowania jakości danych i obserwowalności systemów. Podstawowa znajomość procesów Machine Learning oraz współpracy z zespołami Data Science. Doświadczenie w branży motoryzacyjnej, leasingowej, pricingowej lub remarketingowej. Oferujemy Pracę przy rozwoju nowoczesnej platformy danych i systemów backendowych. Udział w projektach wykorzystujących nowoczesne technologie oraz architekturę opartą o mikroserwisy. Współpracę z międzynarodowym zespołem ekspertów. Możliwość rozwoju kompetencji w obszarze Data Engineering, Backend Development oraz Cloud. Elastyczne środowisko pracy oraz realny wpływ na rozwój tworzonych rozwiązań.

🏢 Summary: Join a remote B2B team as a Python Engineer building and deploying AI-driven LLM and NLP solutions. The role combines hands-on development of RAG, vector-search, and AI-agent workflows with client collaboration, technical decision-making, and product impact. 🗂️ Requirements: 5+ years of experience in software engineering, AI, ML, or a related field, Production experience with LLMs or NLP, Experience with RAG, vector search, or agent-based LLM architectures, Strong Python skills, Experience deploying models or pipelines with FastAPI, Strong communication skills, Polish at B2+ level, English at B2+ level 📃 Skills: Python, LLMs, NLP, RAG, FastAPI, NumPy, Pandas, Scikit-learn, Vector-search, Agents 🏢 Description: The role We're looking for an experienced Python Engineer to join our team and help build cutting-edge solutions using LLM technologies. If you enjoy having real impact on product direction, making key technical decisions, and working directly with clients- this role is for you. What you’ll do Work on the development and deployment of AI-driven features, ensuring timely delivery and continuous iteration Participate in client meetings to discuss progress, architecture, and system capabilities Build and improve LLM/NLP-based data extraction and analysis models Develop and orchestrate AI agents capable of handling multi-step, tool-augmented workflows Optimize system performance for real-time and large-scale applications Ensure statistical accuracy in lifecycle tracking and model evaluation Collaborate closely with product managers, engineers, and other stakeholders What we’re looking for 5+ years of experience in SE/AI/ML or a related field Hands-on experience with LLMs or NLP in production environments Experience with RAG, vector search, or agent-based LLM architectures Solid Python skills (NumPy, Pandas, Scikit-learn, etc.) Experience deploying models or pipelines using FastAPI Strong communication skills – your input will help shape the roadmap Comfortable working in a bilingual environment (Polish B2+, English B2+) Bonus points: Experience with Computer Vision What we offer 26 000 - 33 000 PLN net + VAT monthly, B2B 100% remote setup and flexible hours Private medical care, life insurance, and Multisport 🏃‍♂️‍➡️ Referral bonuses Equipment of your choice (MacBook by default) Interesting, challenging projects - we only take on the ones we believe in :-)

🏢 Summary: Opportunity to build and maintain scalable backend applications and enterprise data platforms for research, operations, and risk teams in a global financial organization. The role covers the full software development lifecycle, from system design and testing through deployment, production support, and continuous improvement. 🗂️ Requirements: 4+ years of software engineering experience, Strong Python proficiency, Experience with C#/.NET or Rust, Backend development and REST API knowledge, Distributed systems knowledge, SQL, relational database, and data modelling experience, Cloud platform, Git, CI/CD, and automated testing familiarity, Agile teamwork and strong communication skills 📃 Skills: Python, C#, .NET, Rust, REST, SQL, Git, CI/CD, Testing, Cloud 🏢 Description: Software Engineer with Python About the Role Join a team developing enterprise data platforms and backend services used across a global financial organization. You will build scalable applications that support research, operations, and risk teams while collaborating with engineers and business stakeholders throughout the software development lifecycle. Responsibilities Design, develop, and maintain backend applications and services. Deliver production-ready software, including testing, deployment, and support. Collaborate with technical and business stakeholders to deliver reliable solutions. Contribute to system design, code reviews, and continuous improvements. Troubleshoot production issues and implement long-term fixes. Requirements 4+ years of software engineering experience. Strong Python skills. Experience with C#/.NET or Rust. Knowledge of backend development, REST APIs, and distributed systems. Experience with SQL, relational databases, and data modelling. Familiarity with cloud platforms, Git, CI/CD, and automated testing. Strong communication skills and ability to work in an Agile environment. Nice to Have React or Angular experience. AI/ML integration experience. Financial services or market data knowledge. Experience with Kafka, Solace, or IBM MQ.

🏢 Summary: Join an international Agile team as a Python Developer building a strategic vehicle-pricing platform. The role focuses on scalable data pipelines, backend services, REST APIs, and integrations that turn large internal and external datasets into reliable pricing insights. 🗂️ Requirements: 3+ years of professional Python backend and data development experience, Strong Python proficiency and Pandas experience, FastAPI or Flask experience, SQL proficiency and PostgreSQL experience, Data-pipeline development and orchestration experience, Git, code review, testing, and CI/CD practice familiarity, Fluent English and Polish communication skills, Availability to work from the Warsaw office 2–3 days per week 📃 Skills: Python, Pandas, FastAPI, Flask, SQL, PostgreSQL, Airflow, Git, CI/CD, REST 🏢 Description: We are looking for a Python Developer to join our international team developing a strategic platform that powers vehicle pricing and recommendation processes across the organization. The solution collects and processes large volumes of internal and external data, transforms it into a unified data model, and delivers pricing insights through modern APIs. As a Python Developer, you will play a key role in building scalable data pipelines, backend services, and integrations while collaborating closely with product owners, architects, and software engineers in an Agile environment. Your tasks Designing, developing, and maintaining data ingestion and transformation pipelines Building and evolving the data model with a strong focus on data quality, consistency and reliability Developing and maintaining Python backend services and REST APIs that expose pricing and vehicle-related data Integrating internal and external systems through APIs and event-driven data flows Writing clean, well-documented and well-tested code while ensuring production stability through monitoring and data quality checks Collaborating closely with Product Owners, Architects, Scrum Masters and Developers to deliver scalable business solutions Requirements At least 3 years of professional experience as a Python Developer with a focus on backend and data development Strong proficiency in Python, including experience with data-processing libraries such as Pandas Experience with frameworks such as FastAPI or Flask Solid SQL skills and hands-on experience with relational databases, particularly PostgreSQL Experience building and orchestrating data pipelines, ideally using Airflow Familiarity with Git, code reviews, testing, and CI/CD practices Fluent English and Polish communication skills, with experience working in an international environment Willingness to work from the Warsaw office 2–3 days per week Nice-to-have requirements Experience with Angular

🏢 Summary: Python Developer role focused on delivering secure, scalable application and AWS cloud infrastructure features. The position combines feature development, security remediation, CI/CD, and production operations in collaboration with product, platform, and security teams. 🗂️ Requirements: 3+ years of software development, architecture, and system integration experience, Hands-on AWS experience with Lambda, ECS, S3, DynamoDB, Aurora, CloudFormation, and CloudWatch, Proficiency in Java, Python, and TypeScript, including API development, design patterns, and quality engineering, Relational database fundamentals and basic SQL query writing, CI/CD experience with GitHub Actions, reusable workflows, environment protection rules, and artifact/version management, Production operations and observability experience with Splunk and Honeycomb, Knowledge of enterprise tooling, multi-region resiliency, failover, feature toggling, IT risk, information security, compliance, and change governance, Written and spoken English at B2+ level 📃 Skills: Python, Java, TypeScript, AWS, Lambda, ECS, S3, DynamoDB, Aurora, CloudFormation, CloudWatch, SQL, GitHub, Splunk, Honeycomb, CI/CD, SRE 🏢 Description: We are seeking a skilled Python Developer to join our team and contribute to the delivery of robust application and cloud infrastructure solutions. In this role, you will work on both feature development and security remediation, collaborating with cross-functional partners to build maintainable, secure, and scalable systems that meet business needs. Responsibilities Deliver application and cloud infrastructure features, including development, testing, and deployment, working from established designs and acceptance criteria Implement security remediation work (vulnerability fixes, dependency upgrades, code hardening) and net-new features as prioritized by the team lead Translate technical requirements into well-structured, testable, and maintainable code that meets team quality bars for reviews and tests Promote changes through dev, test, and production environments following established change management processes and documentation standards Collaborate with product, platform, and security partners to clarify requirements and deliver work that meets business needs Requirements 3+ years of experience in software development, architecture, and system integration Hands-on expertise in AWS services such as Lambda, ECS, and S3 Proficiency in AWS data and infrastructure services, including DynamoDB, Aurora, CloudFormation, and CloudWatch Strong software engineering skills in Java, Python, and TypeScript (or equivalent), including design patterns, API development, and quality engineering practices Understanding of relational database fundamentals and competency in writing basic SQL queries Expertise in CI/CD using GitHub Actions/workflows, reusable workflows, environment protection rules, and artifact/version management Proven capability to operate and improve production systems using modern observability tools such as Splunk and Honeycomb, with an SRE/operational mindset Knowledge of owning/operating enterprise tooling, multi-region cloud resiliency and failover practices, and feature toggling solutions Familiarity with IT risk and information security expectations, with the ability to deliver solutions that meet security, compliance, and change governance requirements Excellent command of written and spoken English (B2+ level) We offer 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 EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Python Developer role focused on delivering secure, scalable application and AWS cloud infrastructure features. The position combines feature development, security remediation, CI/CD delivery, and production operations in collaboration with product, platform, and security teams. 🗂️ Requirements: 3+ years of software development, architecture, and system integration experience, AWS hands-on expertise: Lambda, ECS, S3, DynamoDB, Aurora, CloudFormation, CloudWatch, Java, Python, and TypeScript proficiency, API development, design patterns, testing, and quality engineering, Relational database fundamentals and basic SQL, CI/CD with GitHub Actions and workflow governance, Production observability with Splunk or Honeycomb, Multi-region resiliency, failover, enterprise tooling, and feature toggles, Security, compliance, IT risk, and change-governance knowledge, English proficiency at B2+ level 📃 Skills: Python, Java, TypeScript, AWS, Lambda, ECS, S3, DynamoDB, Aurora, CloudFormation, CloudWatch, SQL, GitHubActions, Splunk, Honeycomb, CI/CD, APIs, SRE 🏢 Description: We are seeking a skilled Python Developer to join our team and contribute to the delivery of robust application and cloud infrastructure solutions. In this role, you will work on both feature development and security remediation, collaborating with cross-functional partners to build maintainable, secure, and scalable systems that meet business needs. Responsibilities Deliver application and cloud infrastructure features, including development, testing, and deployment, working from established designs and acceptance criteria Implement security remediation work (vulnerability fixes, dependency upgrades, code hardening) and net-new features as prioritized by the team lead Translate technical requirements into well-structured, testable, and maintainable code that meets team quality bars for reviews and tests Promote changes through dev, test, and production environments following established change management processes and documentation standards Collaborate with product, platform, and security partners to clarify requirements and deliver work that meets business needs Requirements 3+ years of experience in software development, architecture, and system integration Hands-on expertise in AWS services such as Lambda, ECS, and S3 Proficiency in AWS data and infrastructure services, including DynamoDB, Aurora, CloudFormation, and CloudWatch Strong software engineering skills in Java, Python, and TypeScript (or equivalent), including design patterns, API development, and quality engineering practices Understanding of relational database fundamentals and competency in writing basic SQL queries Expertise in CI/CD using GitHub Actions/workflows, reusable workflows, environment protection rules, and artifact/version management Proven capability to operate and improve production systems using modern observability tools such as Splunk and Honeycomb, with an SRE/operational mindset Knowledge of owning/operating enterprise tooling, multi-region cloud resiliency and failover practices, and feature toggling solutions Familiarity with IT risk and information security expectations, with the ability to deliver solutions that meet security, compliance, and change governance requirements Excellent command of written and spoken English (B2+ level) We offer 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 EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.