AI Backend Python Developer

🏢 Summary: Full-time B2B opportunity for a Middle Python Engineer to build scalable backend systems and AI infrastructure for enterprise applications in a hybrid Warsaw setup. The role involves developing REST APIs, distributed systems, and cloud-based services while owning features through the full software lifecycle. Candidates will work in an AI-native environment focused on production-ready enterprise AI solutions. 🗂️ Requirements: 3-5 years commercial experience as Backend Engineer, Strong Python programming skills, Understanding of distributed systems, Experience with AWS, GCP, or Azure, Strong knowledge of SQL databases, Strong knowledge of NoSQL databases, Experience designing and supporting production-grade systems, Experience with full software lifecycle ownership, Ability to develop scalable backend services and REST APIs, Comfortable working in AI-native engineering environments 📃 Skills: Python, AWS, GCP, Azure, SQL, NoSQL, REST, TypeScript 🏢 Description: Python Engineer 💰 Salary: 5000-7000$ 🌎 Warsaw, Hybrid (1 day remote per week) 🕦 Full-time ☑️ B2B Contract We’re looking for a Middle Python Engineer for our client, which is an AI infrastructure company that helps large enterprises safely and effectively adopt AI in their daily operations. Rather than building general-purpose AI, our client creates a platform that connects AI to a company's internal knowledge, policies, workflows, and business rules. This enables AI to provide accurate answers and automate complex business processes instead of relying on generic responses or potentially inaccurate information. Their customers include well-known enterprise organizations such as Glovo, Nespresso, and HelloFresh, where AI is used to improve internal operations, customer support, and business efficiency. The company operates in the rapidly growing field of Agentic AI, focusing on building reliable, production-ready AI systems for enterprise environments. Requirements: 3-5 years of commercial experience as a Backend Engineer developing production-grade systems. Strong Python programming skills, with the ability to write clean, maintainable, and well-structured backend code. Good understanding of distributed systems. Hands-on experience with cloud platforms, such as AWS, GCP, or Azure. Strong knowledge of SQL and NoSQL databases, including schema and data model design. Experience owning features throughout the full software lifecycle, from design and implementation to deployment, monitoring, and production support. Comfortable working in an AI-native engineering environment. Nice to have: Exposure to agentic systems: AI agents, tool-calling, orchestration, retrieval, or LLM-backed infrastructure Working knowledge of TypeScript Responsibilities: Design, develop, and maintain scalable backend services, REST APIs, data pipelines, and background processing systems. Translate business and product requirements into technical solutions, evaluating architecture, trade-offs, and implementation approaches. Own features end-to-end, from technical design and development through deployment, monitoring, and ongoing production support. Build reliable, secure, and high-performance backend systems that support enterprise AI applications. Design efficient interfaces, data models, and service architectures that integrate seamlessly within the broader platform. Monitor, troubleshoot, and improve system reliability, observability, scalability, and performance in production environments. Collaborate closely with Product Managers, Frontend Engineers, and Platform/Infrastructure teams to deliver end-to-end product features. Write clear technical documentation, design notes, and architecture diagrams to support collaboration and knowledge sharing. Leverage AI-powered development tools to improve engineering productivity, automate repetitive tasks, and streamline development workflows. Participate in code reviews and design reviews, ensuring high engineering standards, maintainable code, and best practices.

🏢 Summary: Full-time remote B2B role for a Software Engineer focused on Python backend development and implementation of Generative AI solutions for internal products. The position centers on integrating LLM-based models via APIs, building enterprise-grade microservices, and collaborating with Data Scientists in a distributed Agile team. Work involves productionizing AI models within the Azure ecosystem, with emphasis on structured, secure, and high-quality implementations. 🗂️ Requirements: Strong experience in Python backend development, Experience implementing LLM solutions via APIs, Understanding of Generative AI architectures and concepts, Experience in enterprise-scale environments, Experience building and consuming APIs, Ability to work in regulated or structured environments, English proficiency at C1 or strong B2 level 📃 Skills: Python, LLM, GenAI, APIs, RAG, Azure, AzureOpenAI, Microservices, REST, VectorDB 🏢 Description: PROJECT DETAILS: Workload: Full-time Model of working: 100% Remote Contract: B2B, long-term Rate: up to 145 PLN/h nett + VAT About the Role We are looking for a Software Engineer to work on Generative AI–based internal products developed in the company, supporting internal employees. You will join a distributed, fully remote team working on one of two AI-related business streams. The focus of the role is on Python backend development combined with implementation of Generative AI solutions , closely collaborating with Data Scientists who prepare the models. The solutions you build will be used internally within the organization. Responsibilities Design, develop, and deploy backend solutions in Python Implement Generative AI models prepared by Data Scientists into production-ready applications Wrap AI models with application logic and expose them as ready-to-use internal solutions Work mainly with API-based integrations , including LLM usage via APIs Implement and support LLM-based solutions (classic LLM usage through APIs) Work with Retrieval-Augmented Generation (RAG) concepts, including knowledge bases for language models Develop and maintain APIs and microservices Ensure solutions meet enterprise-level quality, security, and governance standards Write clean, maintainable code with appropriate test coverage Collaborate within Agile teams (PM, PO, developers, QA, architects) Participate in the full lifecycle: Business analysis Development Hypercare Further development Technology & Architecture Context Backend and GenAI work is fully Python-based GenAI models are consumed and exposed via APIs Azure OpenAI is used as part of the Azure ecosystem Strong emphasis on correct and well-structured implementation of AI models , not on model training Approximate work split: 80% backend Python development 20% GenAI/LLM solution implementation Key Requirements Strong experience in Python backend development Experience implementing solutions using LLMs via API Understanding of Generative AI architectures and basic GenAI concepts Experience with enterprise-scale environments Experience in building and consuming APIs Ability to work in regulated or structured organizational environments English: C1 or strong B2 Nice to Have Experience in regulated industries Familiarity with RAG concepts (vector databases / knowledge bases) Experience working in large enterprise organizations

🏢 Summary: Full-time remote B2B role for a Software Engineer focused on Python backend development and implementation of Generative AI solutions for internal enterprise products. The position involves integrating LLM-based models via APIs, building microservices, and deploying production-ready AI applications in an Azure-based environment. Work is primarily backend development with partial focus on GenAI/LLM integration in a distributed Agile team. 🗂️ Requirements: Strong experience in Python backend development, Experience implementing LLM solutions via APIs, Understanding of Generative AI architectures and concepts, Experience building and consuming APIs, Experience with enterprise-scale systems, Ability to work in regulated or structured environments, English proficiency at B2 or higher 📃 Skills: Python, GenAI, LLM, API, Azure, AzureOpenAI, RAG, Microservices, REST, VectorDB, Git, Agile 🏢 Description: PROJECT DETAILS: Workload: Full-time Model of working: 100% Remote Contract: B2B, long-term Rate: up to 145 PLN/h nett + VAT About the Role We are looking for a Software Engineer to work on Generative AI–based internal products developed in the company, supporting internal employees. You will join a distributed, fully remote team working on one of two AI-related business streams. The focus of the role is on Python backend development combined with implementation of Generative AI solutions , closely collaborating with Data Scientists who prepare the models. The solutions you build will be used internally within the organization. Responsibilities Design, develop, and deploy backend solutions in Python Implement Generative AI models prepared by Data Scientists into production-ready applications Wrap AI models with application logic and expose them as ready-to-use internal solutions Work mainly with API-based integrations , including LLM usage via APIs Implement and support LLM-based solutions (classic LLM usage through APIs) Work with Retrieval-Augmented Generation (RAG) concepts, including knowledge bases for language models Develop and maintain APIs and microservices Ensure solutions meet enterprise-level quality, security, and governance standards Write clean, maintainable code with appropriate test coverage Collaborate within Agile teams (PM, PO, developers, QA, architects) Participate in the full lifecycle: Business analysis Development Hypercare Further development Technology & Architecture Context Backend and GenAI work is fully Python-based GenAI models are consumed and exposed via APIs Azure OpenAI is used as part of the Azure ecosystem Strong emphasis on correct and well-structured implementation of AI models , not on model training Approximate work split: 80% backend Python development 20% GenAI/LLM solution implementation Key Requirements Strong experience in Python backend development Experience implementing solutions using LLMs via API Understanding of Generative AI architectures and basic GenAI concepts Experience with enterprise-scale environments Experience in building and consuming APIs Ability to work in regulated or structured organizational environments English: C1 or strong B2 Nice to Have Experience in regulated industries Familiarity with RAG concepts (vector databases / knowledge bases) Experience working in large enterprise organizations

🏢 Summary: B2B Software Engineer (Python – GenAI) role focused on building and deploying AI-driven applications using AWS and Large Language Models. The position involves developing backend services, APIs, and microservices while ensuring high standards of security, testing, and CI/CD within an Agile environment. Hybrid work model with regular collaboration in Scrum teams. 🗂️ Requirements: Strong Python backend development, Hands-on experience with AWS services (Bedrock, DynamoDB, OpenSearch, CloudWatch, Step Functions), Practical knowledge of Generative AI and LLM technologies, Experience building REST APIs, Experience developing microservices, Understanding of CI/CD pipelines in AWS, Knowledge of DevOps practices, Experience working in Agile/Scrum teams 📃 Skills: Python, AWS, Bedrock, DynamoDB, OpenSearch, CloudWatch, StepFunctions, LLM, GenAI, REST, Microservices, CICD, DevOps, Agile 🏢 Description: Location: hybrid model. For candidates based in Warsaw, Gdańsk , or nearby areas, we require office presence once per week . For candidates located in other regions, office visits are required once per month (for workshops and team meetings). Team Structure: Agile/Scrum teams Contract B2B Rates depending on the years of the experience: 4-7 yrs: 147 PLN/h 7-10 yrs: 164 PLN/h 10+ yrs: 178 PLN/h Software Engineer (Python – GenAI) role is to contribute to the development and deployment of AI-driven applications, focusing on leveraging modern cloud services and generative AI technologies to provide innovative solutions for the organization. Main Responsibilities: Creating, developing, and deploying AI-based applications using AWS services. Developing and optimizing Large Language Model (LLM) based solutions tailored to real-world business cases. Building and maintaining APIs and microservices to efficiently serve solutions to customers. Ensuring all AI solutions adhere to security, development, and governance standards. Writing and maintaining unit tests, ensuring robust test coverage, and enforcing best coding practices (clean code, maintainability, and performance optimization). Creating clear, concise technical documentation for developed components. Working in Agile/Scrum teams to deliver high-quality applications. Key Requirements: Fluency in English. Strong command of Python for backend development. Hands-on experience with AWS services, including Amazon Bedrock, DynamoDB, OpenSearch, CloudWatch, and Step Functions. Understanding of Generative AI and LLM technologies. Proven experience in developing and maintaining RESTful APIs and microservices. Solid understanding of CI/CD pipelines and DevOps best practices within the AWS environment. Ability to thrive in an Agile environment and work effectively with multidisciplinary teams. Nice to Have: Experience working with vector databases. Knowledge of prompt engineering. Experience working with Azure services, including Azure VM, Azure DevOps, Azure Blob Storage, Cosmos DB, Azure Functions, Azure AI Search, and others.

🏢 Summary: Remote B2B opportunity for a Python Developer with GenAI experience to work on a long-term project focused on building and integrating AI systems, including agentic architectures and autonomous agents. The role involves developing AI-driven solutions, integrating APIs, and working with async or streaming data in a modern development environment. 🗂️ Requirements: Minimum 3 years of Python development experience or proven fast learning with demonstrable results, Hands-on experience with AI systems and agentic AI architectures, Experience with API integration and async or streaming data processing, Proficient in Git including branches, pull requests, and merge conflict resolution, Basic knowledge of relational databases and SQL, Ability to work from Poland and attend office at least two days per week 📃 Skills: Python, GenAI, AI, APIs, AsyncIO, Git, SQL, Postgres, LangChain, LangGraph, AzureDevOps, CI/CD, VectorDB, Embeddings, PromptEngineering, Scrum 🏢 Description: We are looking for a Python Developer with GenAI on behalf of our client, a well-known and fast-growing technology company offering a stable, long-term project in a modern environment. 📍Remote from Poland B2B contract Required Key Skills GEN AI Engineer 3 years of Python development (or less if the person learns fast and can show results) Hands-on experience working with AI systems, preferably with agentic AI architectures (e.g., autonomous agents, tool use, memory, planning) Experience with calling APIs and working with async or streaming data Good knowledge of Git (branches, pull requests, fixing merge conflicts) Basic understanding of relational databases and SQL (Postgres is a bonus, but not required) Good communication and teamwork skills, able to be in the office at least two days per week Must Have 3 years of Python development (or less if the person learns fast and can show results) Hands-on experience working with AI systems , preferably with agentic AI architectures (e.g., autonomous agents, tool use, memory, planning) Experience with calling APIs and working with async or streaming data Good knowledge of Git (branches, pull requests, fixing merge conflicts) Basic understanding of relational databases and SQL (Postgres is a bonus, but not required) Good communication and teamwork skills, able to be in the office at least two days per week Good to Have Experience with LangChain, LangGraph, or similar frameworks for building AI workflows Familiarity with Azure DevOps pipelines (CICD) Knowledge of vector databases, embeddings, or prompt engineering Experience working in a Scrum team Exposure to multi-agent systems, memory management in LLMs, or advanced orchestration techniques 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Long-term remote B2B opportunity for an experienced Fullstack Software Developer to build scalable React/Next.js and Python (FastAPI) applications enhanced with AI/LLM integrations. The role focuses on modern frontend architecture, async backend services, real-time systems, and production-grade AI workflows. You will design end-to-end architectures and deliver secure, high-performance solutions in a distributed engineering team. 🗂️ Requirements: 5+ years experience as Fullstack or Software Engineer, Strong React and Next.js experience in production, Strong TypeScript proficiency, Strong Python experience with async programming, Experience with FastAPI, Experience designing scalable distributed systems and APIs, Knowledge of frontend architecture, state management, performance optimization, Experience with automated testing frameworks, Experience with REST, GraphQL, WebSockets, Hands-on experience integrating AI/LLM services (OpenAI, Azure AI or similar), Experience with LangChain or similar agent frameworks, Strong system design and software architecture knowledge, Experience working in Agile environments, Fluency in English, EU citizenship and residence in Poland 📃 Skills: React, Next.js, TypeScript, Python, FastAPI, Tailwind, Playwright, Vitest, React, Testing, Library, pytest, REST, GraphQL, WebSockets, OpenAI, Azure, LangChain, AI, LLM 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Software Developer (React + Python + AI) to join an innovative engineering remote team working on modern full-stack applications enhanced with AI capabilities. In this role, you will contribute to designing scalable systems, building high-performance web applications, and integrating advanced AI/LLM solutions into production environments. Project information: Type of project: IT services Office location: Wrocław, Poland Work mode: Remote from Poland Budget: 130-160 PLN net/ h- b2b Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Design and develop modern web applications using React / Next.js and TypeScript Build reusable, scalable, and accessible UI components using Tailwind and modern design systems Drive frontend architecture decisions including state management, modularization, and performance optimization Ensure high-quality frontend delivery with strong test coverage (Playwright, Vitest, React Testing Library) Design and develop backend services using Python (async) and FastAPI Build scalable REST and event-driven APIs as well as real-time systems Implement WebSockets or similar technologies for real-time communication Develop unit, integration, and end-to-end testing strategies for backend systems Design and implement end-to-end system architecture in collaboration with cross-functional teams Integrate services using REST APIs, GraphQL, and WebSockets Participate in performance tuning, scalability improvements, and system optimization Integrate AI/LLM-based solutions using OpenAI / Azure AI services Develop AI workflows using frameworks such as LangChain or similar agent-based tools Apply prompt engineering techniques and optimize model interactions for production use cases Orchestrate multiple AI models and services to deliver real-world intelligent features Apply security and privacy best practices across the full stack Ensure adherence to secure coding standards and maintain high code quality through code reviews and automated testing Collaborate closely with engineering teams to ensure consistency, reliability, and scalability of solutions Competence demands: Minimum 5+ years of experience as a Fullstack or Software Engineer Strong experience with React / Next.js and TypeScript in production-grade applications Strong proficiency in Python (async programming) and FastAPI Experience designing scalable distributed systems and APIs Solid understanding of frontend architecture, performance optimization, and state management Experience with testing frameworks (Playwright, Vitest, React Testing Library, pytest or similar) Familiarity with REST, GraphQL, and WebSockets Hands-on experience integrating AI/LLM services (OpenAI, Azure AI, or similar) Knowledge of agent frameworks such as LangChain or similar tools Strong understanding of system design principles and software architecture Experience working in Agile environments and cross-functional teams Strong communication skills and ability to work in a distributed team Fluency in English (written and spoken) We offer: Remote working model Dynamic and innovation-driven engineering environment Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Full-time hybrid contract for an experienced Python Fullstack Developer working on AI-driven automation and data transformation solutions in the financial sector. The role involves building scalable full-stack applications, REST APIs, microservices, and LLM-based solutions using Python, Flask, and React in an Agile international team. 🗂️ Requirements: Strong commercial experience with Python, Experience with Flask or similar Python frameworks, Knowledge of REST API development, Experience with Large Language Models, Experience with Docker, Knowledge of JavaScript, Experience with React, Understanding of PostgreSQL, SQL and SQLAlchemy, Experience writing automated tests with pytest, Experience with CI/CD pipelines, Knowledge of Git, English level B2/C1 📃 Skills: Python, Flask, REST, LLM, Docker, JavaScript, React, PostgreSQL, SQL, SQLAlchemy, pytest, CI/CD, Git, TypeScript, Redux, Zustand, AWS, Kubernetes, SharePoint, JFrog, CSS, SCSS 🏢 Description: Expert Python Fullstack Developer 📍 Location: Warsaw 🏢 Work model: Hybrid (3 days per week in the office) 📅 Project duration: July 2026 – December 2026 💰 B2B rate: up to 142 PLN/h ⏰ Full-time (40h/week) About the project We are looking for an experienced Python Fullstack Developer to join an international team delivering innovative solutions for the financial sector. The project focuses on data transformation, AI-driven automation, and intelligent data enrichment , leveraging modern technologies including Large Language Models (LLMs) to improve operational efficiency and regulatory compliance. You will work closely with Product Owners, Architects, Analysts and other developers to transform business requirements into scalable, secure and high-quality software solutions. Your responsibilities Design, develop and maintain modern full-stack applications. Build backend services using Python and Flask . Develop and maintain REST APIs and data integration services. Implement AI-powered solutions using LLMs for automation and data enrichment. Develop frontend components using React and JavaScript. Build microservices and deployment pipelines. Integrate with databases, external APIs and enterprise platforms. Ensure data quality, reconciliation and regulatory compliance. Write automated tests and participate in code reviews. Collaborate with cross-functional, international teams in an Agile environment. We are looking for someone who has Strong commercial experience with Python development. Hands-on experience with Flask (or similar Python frameworks). Solid knowledge of REST API development. Experience working with Large Language Models (LLMs) . Experience with Docker . Good knowledge of JavaScript . Experience with React . Good understanding of PostgreSQL , SQL and SQLAlchemy . Experience writing automated tests (preferably using pytest ). Experience with CI/CD pipelines . Good knowledge of Git . Good command of English (B2/C1) . Nice to have AI development tools and frameworks. TypeScript. Redux or Zustand. AWS Cloud. Kubernetes. SharePoint API. JFrog Artifactory. Web Components. CSS / SCSS. What we offer B2B rate of up to 142 PLN/hour . Opportunity to work on innovative AI and data-driven solutions within the banking sector. International and collaborative Agile environment. Exposure to modern technologies including LLMs , cloud solutions and microservices. Challenging project with real business impact. Long-term cooperation with experienced engineering team

🏢 Summary: Backend Engineer role focused on building production systems for AI agents, including backend services, APIs, and data pipelines for enterprise customers. The position involves designing reliable distributed systems, maintaining production services, and collaborating closely with cross-functional teams in a fully on-site Warsaw office environment. The company offers a modern AI-focused tech stack, B2B contract, stock options, and opportunities to contribute to open-source projects. 🗂️ Requirements: 3–5 years of experience building backend production systems, Strong Python skills, Understanding of distributed systems, Experience with AWS, GCP, or Azure, Knowledge of SQL and NoSQL databases, Database design experience, Security-focused approach to system design, Ability to manage projects from idea to production, Strong written and spoken communication skills, Experience using AI tools in software development, Ability to work fully on-site in Warsaw 📃 Skills: Python, AWS, GCP, Azure, SQL, NoSQL, AI, TypeScript, APIs, GitHub, Copilot, Codex, Claude 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About us We believe that businesses are moving toward AI-powered work, and we are building a platform for this future. Many AI agents cannot handle complex business tasks. We created a platform that organizes company policies, workflows, and business knowledge into one AI data model. This helps AI agents make accurate decisions and deliver reliable results at scale. We already work with well-known enterprise customers such as Glovo, Nespresso, and HelloFresh. Our platform supports thousands of users and handles real production data. Customers trust us with important business knowledge because we provide a secure and reliable solution with SOC2, HIPAA-ready security practices, and strong integrations. Job description We are looking for a backend engineer with several years of experience who wants to take responsibility for real systems, not only complete assigned tasks. You will solve backend challenges, choose the best technical solutions, deliver new features, and support them in production. We are looking for someone with good technical skills, clear communication, and a desire to build systems that are simple, reliable, and easy to improve. You will help build production systems for AI agents, working on real problems for customers who already use our platform. The position is based in Warsaw and requires working from the office. Responsibilities Build backend services, APIs, data pipelines, and background processes for production systems. Turn business requirements into technical solutions and implementation plans. Monitor and maintain services after release, improving reliability, performance, and system monitoring. Design service interfaces and data models that fit well into the overall system. Create technical documentation and diagrams when they help the team. Work closely with product managers, frontend engineers, and platform engineers. Improve engineering processes using AI tools, automation, and better workflows. Help maintain high code quality through code reviews and design reviews. Requirements Around 3–5 years of experience building backend production systems. Strong Python skills and the ability to write clean and maintainable code. Good understanding of distributed systems, including concurrency, failures, data consistency, asynchronous processing, and service communication. Experience with cloud platforms such as AWS, GCP, or Azure, and knowledge of SQL, NoSQL, and database design. A security-focused approach when working with sensitive data and system design. Ability to manage projects from idea to production with increasing responsibility. Good written and spoken communication skills, with the ability to explain technical decisions clearly. Experience using AI tools as part of your daily software development work. Nice to have Experience with AI agents, orchestration, retrieval systems, tool calling, or LLM-based infrastructure. Knowledge of TypeScript or willingness to work across the full technology stack. Experience taking on more responsibility and learning quickly. What we offer B2B contract and company stock options. MacBook Pro. Modern technology stack and the opportunity to contribute to open-source projects. An AI-focused development environment with tools such as Claude Code, OpenAI Codex, and GitHub Copilot. Our values Our leadership team combines strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 Summary: Senior Data Engineer role focused on building and optimizing data integration and retrieval solutions that power Generative AI systems, including AI agents and RAG pipelines. The position involves designing scalable data pipelines and Python-based microservices integrated with large-scale GenAI platforms. The engineer will contribute to architecture and ensure high performance, reliability, and security of data services. 🗂️ Requirements: 5+ years of experience in software or data engineering with strong focus on Python, Hands-on experience with FastAPI and microservices, Experience with API-driven architectures, Experience with databases or data platforms (MongoDB, PostgreSQL, Hadoop, BigQuery, Starburst or similar), Understanding of vector stores, embeddings or semantic search concepts, Experience with cloud platforms (GCP or Azure), Solid understanding of Unix/Linux environments, Strong debugging skills 📃 Skills: Python, FastAPI, Microservices, APIs, MongoDB, PostgreSQL, Hadoop, BigQuery, Starburst, GCP, Azure, Linux, Unix, Vectorstores, Embeddings, SemanticSearch, Debugging 🏢 Description: Senior Data Engineer (Python / GenAI) 📍 Location: Kraków, Poland (hybrid: 2 days in the office, 3 days remote) 📄 B2B Contract: 210 – 260 PLN / hour We are looking for a proactive Senior Data Engineer (Python / GenAI) to join an international team building advanced data integration and retrieval solutions powering Generative AI across the organization. You will work closely with Engineers, Architects and AI Specialists to design, build and optimize data flows that directly support AI agents, RAG pipelines and large‑scale GenAI applications. This role sits within a collaborative engineering environment and offers the opportunity to influence architecture, development standards and the overall quality of next‑generation AI‑driven systems. Key Responsibilities: Design and develop data integration components enabling GenAI models to access and process data from multiple internal systems. Build and maintain data transfer pipelines ensuring scalability, reliability and security. Develop Python‑based microservices (FastAPI) integrated with broader GenAI platforms. Work with vector stores, memory stores and RAG pipelines to optimize data retrieval and context generation for AI agents. Collaborate with cross‑functional teams to align data integrations with overall GenAI architecture. Implement monitoring, observability and performance tuning for data services. Participate in Agile ceremonies: sprint planning, reviews, retrospectives and daily stand‑ups. Requirements: 5+ years of experience in software or data engineering with strong focus on Python . Hands‑on experience with FastAPI , microservices and API‑driven architectures. Experience with databases and data platforms such as MongoDB, PostgreSQL, Hadoop, BigQuery, Starburst or similar. Understanding of vector stores , embeddings or semantic search concepts. Experience working with cloud platforms (GCP or Azure). Solid understanding of Unix/Linux environments. Strong debugging skills and ability to clearly communicate findings. Nice to Have: Experience with RAG pipelines , context engineering or evaluation systems. Knowledge of Google ADK or similar AI development toolkits. Experience with memory stores or caching systems. Exposure to GenAI platforms, LLM‑based solutions or AI agents. Familiarity with DevOps practices and CI/CD pipelines. What We Offer: Long‑term cooperation within a high‑impact, innovative AI programme. Real influence on architecture, engineering standards and data integration strategy. Work in a multicultural, distributed environment. Private medical care (LuxMed) and Multisport card. Stable B2B contract with competitive hourly rate. To learn more about Antal, please visit www.antal.pl

🏢 Summary: Contract GenAI Python Developer role focused on building enterprise AI-powered applications, designing agentic AI architectures, and integrating large language models into scalable backend systems. The position involves implementing GenAI workflows, API integrations, and asynchronous data pipelines in a hybrid setup in Wroclaw. 🗂️ Requirements: 5+ years of Python development experience, Hands-on experience building AI or GenAI systems, Experience with agentic AI architectures, Experience integrating external APIs, Experience handling asynchronous and streaming data, Proficiency with Git workflows, Basic knowledge of relational databases and SQL, Ability to work hybrid in Wroclaw (minimum 2 days onsite) 📃 Skills: Python, GenAI, LLM, APIs, Async, Streaming, Git, SQL, LangChain, LangGraph, VectorDB, Embeddings, Azure, DevOps, CICD, Agents, Orchestration 🏢 Description: We are looking for a GenAI Python Developer to join a team building AI-powered solutions within enterprise environments. The role focuses on developing intelligent AI systems, integrating APIs, and implementing modern GenAI workflows using Python. You will work on designing and implementing agentic AI architectures , integrating large language models, and building scalable backend systems that power AI-driven applications. Send CV to ( marcillina.tietjen@dcvtechnologies.co.uk ) if you are interested. Location Wroclaw, Poland – Hybrid (minimum 2 days onsite) Employment Type Contract / B2B Key Responsibilities Develop AI-driven applications using Python Design and implement GenAI workflows and AI agents Integrate external APIs and AI services Work with asynchronous and streaming data pipelines Collaborate with engineering teams in Agile/Scrum environments Implement AI orchestration and workflow management Maintain high-quality code using Git workflows Support data integration and backend services using SQL databases Required Skills 5+ years Python development experience Hands-on experience building AI / GenAI systems Experience with agentic AI architectures (autonomous agents, planning, tool usage, memory) Experience calling APIs and handling async/streaming data Good understanding of Git workflows (branches, PRs, merge conflict resolution) Basic understanding of relational databases and SQL Strong collaboration and communication skills Ability to work hybrid in Wroclaw (2 days onsite) Nice to Have Experience with LangChain, LangGraph or similar AI frameworks Experience with vector databases and embeddings Knowledge of prompt engineering Familiarity with Azure DevOps pipelines (CI/CD) Experience working with multi-agent systems Experience with memory management in LLM architectures