April 24, 2026

Senior Python Developer

Senior • Remote

26,000 - 31,000 PLN

Warsaw, Poland

Senior Python AI Developer

We are looking for an experienced Python Developer to join a team building modern AI-driven applications using Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG), alongside standard backend development work.

Key Responsibilities

  • Develop and maintain backend services and APIs in Python

  • Build AI-enabled application features using LLMs and RAG workflows

  • Design and integrate retrieval pipelines for contextual AI responses

  • Work with databases, external APIs, and internal systems

  • Deploy and operate services in Azure or other cloud environments

  • Write clean, testable, and scalable production code

Requirements

  • 5+ years of commercial experience in Python development

  • Strong background in backend engineering (APIs, services, integrations)

  • Hands-on experience with LLMs and RAG implementations

  • Cloud experience with Azure, AWS, or GCP

  • Solid understanding of software development best practices

Tech Stack

  • Python

  • LLMs, RAG

  • Azure (or other cloud platforms)

Similar jobs you might like

Technology

iTeamly

Senior Python AI Developer

Senior

Remote

Krakow, Poland

27,000 - 30,000 PLN

🏢 Summary: Remote Senior Python AI Developer role focused on building and scaling an AI-driven product platform. The position involves developing backend APIs, AI/ML workflows, document processing, retrieval systems, and integrating structured data into reliable, user-facing features. You will contribute across backend and frontend to deliver explainable, production-ready AI-powered solutions. 🗂️ Requirements: 5+ years professional software engineering experience, Strong experience with Python, Experience building backend APIs, Experience with FastAPI or similar frameworks, Experience with AI/ML product workflows, Experience designing and consuming API contracts and JSON schemas, Experience with asynchronous workflows and background jobs, Experience handling retries, partial failures, and process status, Commercial experience with React, Commercial experience with TypeScript, Experience writing tests for APIs and edge cases, Experience with retrieval systems, embeddings, or LLM APIs 📃 Skills: Python, FastAPI, AI, ML, APIs, JSON, React, TypeScript, LLM, OpenAI, Gemini, Anthropic, Embeddings, Vector, Firebase, Firestore, GCP, CloudRun, CloudSQL, Neo4j 🏢 Description: We are looking for a Senior Python AI Developer to build and scale an AI driven product platform in a fully remote setup. The role focuses on developing reliable product features around AI / ML workflows, document processing, retrieval systems, structured data, and user facing outputs that need to be clear, explainable, and easy to inspect. ✅ Your responsibilities: ・Developing backend APIs in Python with FastAPI , for document upload, asynchronous processing, job status, retries, partial success, and structured results. ・Building product workflows around AI outputs, retrieval systems, document processing, and structured data . ・Connecting backend services, frontend applications, data workflows, and AI generated outputs into a reliable product experience. ・Creating user facing features that make AI outputs easier to inspect through source references, confidence signals, warnings, and clear error states. ・Working with structured data, documents, tables, financial metrics, and normalized evidence flows. ・Contributing to frontend features using React and TypeScript , especially around workflow status, evidence review, recommendations, and decision outputs. ・Writing tests around API contracts, edge cases, error cases, and realistic user workflows. 🧠 Our requirements: ・5+ years of professional software engineering experience. ・Strong experience with Python and backend API development. ・Experience with modern API frameworks, ideally FastAPI or similar. ・Good understanding of AI / ML product workflows or strong interest in building software around AI outputs. ・Experience designing and consuming API contracts, schemas, and structured JSON payloads. ・Comfort with asynchronous workflows, background jobs, retries, partial failures, and user visible process status. ・Commercial experience with modern frontend applications, preferably with React and TypeScript . ・Good testing habits, especially around edge cases, failure cases, and API behavior. ・Experience with AI / ML product workflows, including retrieval systems, embeddings, vector search, LLM based applications, or LLM APIs such as OpenAI, Gemini, Anthropic / Claude. ⭐ Nice to have: ・Experience with data heavy products, including data workflows, document processing, data normalization, or working with structured evidence. ・Experience with cloud and data infrastructure, ideally Firebase, Firestore, Google Cloud Platform, Cloud Run, Cloud SQL, vector search, or Neo4j. 🌟 What we offer: ・100% remote work. ・Opportunity to work on a modern AI / ML product platform. ・Private healthcare and Multisport. ・Life insurance. ・Real influence on technical decisions and architecture. ・Exposure to modern AI, data, and product engineering challenges. ・Collaborative and supportive team environment.

Technology

ITDS

Python Developer - LLM

Mid

Hybrid

Warsaw, Poland

16,800 - 21,000 PLN

🏢 Summary: Hybrid Python AI Developer role focused on building AI-powered services and automation solutions using Large Language Models and agent-based workflows. The position involves developing RAG-based bots and assistants, implementing agentic workflows, and collaborating on high-quality AI frameworks. It offers the opportunity to work on advanced LLM solutions in a dynamic, innovation-driven environment. 🗂️ Requirements: Minimum 3 years of experience in software development with Python, Practical knowledge of LangChain and LangGraph, Experience with RAG, embeddings, vector search, LLM agents, agentic workflows, tool calling, At least 1 year of hands-on experience with LLM models, RAG, and AI agents in real projects, Proficiency with Git (branch management, rebase, cherry-pick, revert, squash), Familiarity with Jira, Confluence, Bitbucket, Competent command of Polish, Communicative level of English, Legal right to work in the European Union 📃 Skills: Python, LangChain, LangGraph, RAG, LLM, Embeddings, VectorSearch, Git, Jira, Confluence, Bitbucket, Azure, React, Streamlit, Databricks, CosmosDB, Redis, Grafana 🏢 Description: Unleash the future of AI by building innovative Large Language Model solutions that redefine automation and intelligence. Warszawa-based opportunity with hybrid work model (4 days remote, 1 day in the office). As a Python AI Developer , you will be working for our client, a leading innovator in AI technology. You will contribute to developing cutting-edge services and applications supporting automation processes, leveraging advanced LLM solutions and agent-based workflows. This role offers a chance to be at the forefront of AI innovation and accelerate your career growth in a dynamic environment. Your main responsibilities: Build AI-powered services and applications in Python to support automation initiatives. Develop bots and assistants based on Large Language Models, including RAG solutions and multi-step task agents. Implement agentic workflows: define roles, manage tools, and oversee execution processes. Work with internal and new AI frameworks, ensuring high quality and alignment with best practices. Collaborate with cross-functional teams to troubleshoot, analyze issues, and optimize solutions. Maintain adherence to development standards and contribute to continuous improvement initiatives. Document system designs and participate in architectural discussions. You're ideal for this role if you have: Minimum 3 years of experience in software development, particularly with Python. Practical knowledge of LangChain and LangGraph. Experience with RAG, embeddings, vector search, LLM agents, agentic workflows, and tool calling. At least 1 year of hands-on experience with LLM models, RAG, and AI agents in real projects. Proficiency with Git, including branch management and commit operations (rebase, cherry-pick, revert, squash). Familiarity with Jira, Confluence, Bitbucket. Strong problem-solving skills and ability to work independently in a collaborative environment. It is a strong plus if you have: Knowledge of Azure AI Stack (AI Foundry, Azure OpenAI, Azure AI Search). Experience with React, Streamlit, Databricks, Cosmos DB, Redis, or Grafana. Understanding of ML fundamentals and fine-tuning LLMs. Skills in high-level system architecture design and documentation. Language Required for the role: Polish – competent command. English – communicative level. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data. Please be prepared for a live coding session during the interview process, where your technical skills will be thoroughly evaluated.

Technology

Transition Technologies MS

Python Engineer

Senior

Remote

🏢 Summary: The offer is for a Senior Python Backend Engineer to design and maintain scalable, cloud-native backend systems on AWS, including REST APIs and AI/LLM integrations. The role focuses on distributed systems, asynchronous processing, observability, and high code quality within a modern CI/CD environment. It involves working with both serverless and containerized deployments in a collaborative, agile team. 🗂️ Requirements: 3–5+ years of professional Python backend development experience, Experience building cloud-native systems on AWS, Strong knowledge of REST API design and OpenAPI, Experience with asynchronous processing and queue-based architectures, Hands-on experience with core AWS services (Lambda, API Gateway, S3, IAM, ECS/EKS, CloudWatch), Knowledge of DynamoDB and NoSQL data modelling, Knowledge of PostgreSQL, SQL, and relational data modelling, Experience with serverless and containerized deployments, Experience integrating external APIs and third-party services, Experience with automated testing using pytest, Familiarity with CI/CD tools, Understanding of distributed systems, scalability, and reliability, Practical understanding of LLM-based or AI-driven applications, Ability to apply SOLID principles and clean code practices, Fluent English (written and spoken) 📃 Skills: Python, AWS, FastAPI, Pydantic, SQLAlchemy, boto3, REST, OpenAPI, Celery, SQS, Lambda, ECS, EKS, S3, CloudFront, IAM, SecretsManager, CloudWatch, DynamoDB, PostgreSQL, SQL, pytest, GitHubActions, Jenkins, NewRelic, Docker, Kubernetes, LLM, Cursor, Claude, Copilot 🏢 Description: We are looking for a Senior Python Backend Engineer with experience in building cloud-native backend systems on AWS. This role is focused on designing, developing, and maintaining scalable Python services, integrating AI/LLM-based capabilities, working with distributed systems, and ensuring high reliability, observability, and code quality. Your responsibilities: Design, build, and maintain backend services using Python in an AWS-based environment. Develop and maintain REST APIs together with clear OpenAPI documentation. Implement asynchronous processing and queue-based communication between services. Design data access patterns for application features using NoSQL and SQL storage. Integrate backend services with internal systems, external APIs, and AI/LLM-based components. Implement reliable communication patterns, including retries, timeouts, and circuit breakers. Build and maintain operational CLI tooling for day-to-day platform tasks (e.g. content ingestion). Contribute to architectural decisions across software and infrastructure as the stack evolves. Create observability for distributed systems, including logging, metrics, tracing, and alerting. Write automated tests and support high code quality across the backend codebase. Contribute to CI/CD processes and deployment automation. Collaborate with product, frontend, QA, DevOps, AI/ML teams, and content creators. Review code, share knowledge, and raise the bar for engineering practice across the team. We are looking for you, if you have: 3–5+ years of professional experience in Python backend development. Solid understanding of REST API design and OpenAPI standards. Experience with asynchronous processing and queue-based architectures, e.g. Celery, SQS. Experience with libraries and frameworks such as FastAPI, Pydantic, SQLAlchemy, boto3. Hands-on experience with core AWS services such as Lambda, API Gateway, S3, CloudFront, Secrets Manager, IAM, ECS/EKS, CloudWatch, etc. Good knowledge of DynamoDB and NoSQL data modelling. Good knowledge of PostgreSQL, SQL, and relational data modelling . Experience with both serverless (Lambda) and containerized (ECS/EKS) deployment models. Experience integrating with external APIs and third-party services. Experience with pytest and automated testing practices. Familiarity with CI/CD tools such as GitHub Actions and/or Jenkins. Experience with observability tools such as New Relic and CloudWatch. Understanding of distributed systems, scalability, reliability, and fault tolerance. Ability to apply SOLID principles, clean code practices, and common design patterns. Practical understanding of LLM-based applications or AI agentic frameworks. Ability to use AI development tools such as Cursor, Claude Code, or GitHub Copilot. Experience working in agile software development teams. Fluent English, both written and spoken. We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.

Technology

Soldevelo

Python Developer

Mid

Remote

Gdynia, Poland

12,100 - 19,700 PLN

🏢 Summary: Python Developer role focused on building backend systems and AI/LLM integrations, starting with an open-source AI Red Teaming platform. The position involves developing a modular Python backend with integrations to major AI providers, real-time streaming, evaluation engines, analytics, and AWS deployment. Work includes commercial and open-source projects for international clients. 🗂️ Requirements: 3+ years commercial experience in Python backend development, Experience with Django, FastAPI, or Flask, Experience integrating AI/LLM APIs (e.g. OpenAI, Anthropic), Strong knowledge of PostgreSQL, Experience designing REST APIs, Experience with asynchronous programming in Python, Experience with Docker, Experience with CI/CD pipelines, Experience writing automated tests, Good command of English, Degree in Computer Science or related field 📃 Skills: Python, Django, FastAPI, Flask, PostgreSQL, REST, AsyncIO, Docker, CI/CD, OpenAI, Anthropic, Gemini, AWS, EKS, S3, RDS, WebSockets, SSE, LiteLLM 🏢 Description: We're looking for a Python Developer to join our team and work across a range of commercial and open-source projects focused on Python backend development and AI/LLM solutions. You'll build backends, design integrations with AI model providers, and contribute to products used by international clients. Project description: Your first project will be developing a Python-based backend for an open-source AI Red Teaming platform - a tool that enables organizations to systematically test and evaluate AI/LLM models for safety, fairness, and reliability. The project involves building a modular backend with integrations to major AI model providers (OpenAI, Anthropic, Google Gemini, AWS Bedrock, and others), real-time streaming, evaluation engine, analytics, and deployment on AWS. The platform will be released as an open-source product with a separate managed instance for the client. Requirements: - 3+ years of commercial experience in Python backend development - Experience with at least one modern Python web framework (Django, FastAPI, or Flask) - Practical experience integrating AI/LLM APIs into applications (e.g. OpenAI, Anthropic, or similar providers) - Solid knowledge of PostgreSQL and REST API design - Familiarity with async programming in Python - Experience with Docker and CI/CD pipelines - Experience writing automated tests - Good command of English (daily communication with an international client) - Degree in computer science or a related field Nice to have: - Experience with FastAPI - Experience with LiteLLM or similar LLM abstraction/routing libraries - Experience with real-time streaming (SSE, WebSockets) - Experience with AWS services (EKS, S3, RDS) - Familiarity with React or frontend technologies - Experience with open-source projects What We Offer - Fully remote work within a small, supportive team - Real responsibility from the start - no months of onboarding before you contribute - Variety - multiple projects mean diverse problems and technologies - Opportunities for professional growth, including contributions to open-source projects - A team culture built on transparency, trust, and fast feedback We look forward to hearing from you!

Technology

Ready4S

Senior Python Engineer

Senior

Remote

Krakow, Poland

170 - 200 PLN

🏢 Summary: Senior Python Engineer role focused on building AI-powered products and internal platforms using Python and modern cloud technologies. The position involves developing secure, production-grade backend systems, contributing to frontend components, and implementing AI-driven solutions such as agentic systems and vector search. Work is delivered in agile teams with strong emphasis on cloud-native architecture and high engineering standards. 🗂️ Requirements: Bachelor’s or Master’s degree in technical field, 7+ years software development experience, Senior-level experience in large tech environment, Strong Python backend experience, Production experience with FastAPI, Hands-on experience with cloud platforms, Experience with Docker or Kubernetes, Experience with SQL and NoSQL databases, Experience with messaging queues, Practical experience with AI systems in production 📃 Skills: Python, FastAPI, Django, Vue, React, Angular, Svelte, AWS, Azure, GCP, Docker, Kubernetes, SQL, NoSQL, Pinecone, CrewAI, MCP, A2A, Microservices 🏢 Description: We’re looking for a Senior Python Engineer to help build AI‑powered products and internal platforms used across the company. You’ll join a fast‑moving engineering team where AI accelerates development, improves productivity, and shapes how new solutions are delivered. Security, compliance, and high engineering standards are essential, especially for production systems handling sensitive data. What you’ll do Build end‑to‑end features using Python (FastAPI, Django) as your primary backend stack. Contribute to frontend development when needed — experience with Vue is a plus, but React, Angular, or Svelte are also welcome. Develop cloud‑native systems on AWS, Azure, or GCP, working with containers, databases, and messaging systems. Contribute to AI initiatives, including agentic systems, vector search, and prompt‑driven workflows. Work in small, agile squads with the flexibility to move between projects as priorities evolve. Required qualifications Bachelor’s or Master’s degree in a technical field. At least 7 years of software development experience, including senior‑level work in a large tech environment. Strong backend experience with Python and FastAPI, with proven production delivery. Frontend experience is a plus (Vue preferred, but any modern JavaScript framework is welcome). Hands‑on experience with cloud platforms, Docker or Kubernetes, SQL and NoSQL databases, and messaging queues. Practical experience working with AI systems or AI‑driven features in production environments. Preferred qualifications Experience with vector databases such as Pinecone or Azure AI Search. Knowledge of prompt engineering, context management, and LLM‑driven workflows. Experience with agentic AI frameworks such as CrewAI, Microsoft Agent Framework, or AWS Agent Core. Familiarity with agentic protocols like A2A or MCP. Background in distributed systems and microservices. Experience working in agile teams. Understanding of agentic AI concepts or hands‑on exposure to agent‑based architectures. Strong grasp of engineering best practices, design patterns, and secure coding. Clear communication skills and the ability to explain technical concepts.

Technology

B2Bnetwork

Senior Python Developer

Senior

Hybrid

Warsaw, Poland

🏢 Summary: The offer is for a Senior Python Developer to build and maintain advanced credit tools focused on data validation, financial and macroeconomic analysis, and AI-supported development within the Corporate & Institutions area. The role involves developing automation solutions, analyzing external financial data sources, and ensuring high code quality while collaborating with analysts and business teams. 🗂️ Requirements: Minimum 5 years of experience with Python, Experience building automation and data validation tools, Practical use of AI tools in development (e.g., ChatGPT, Copilot), Experience with data analysis and processing, Ability to maintain high code quality and standards, English level B2 or higher 📃 Skills: Python, Pandas, ETL, TensorFlow, PyTorch, scikit-learn, ChatGPT, Copilot, AI, SQL 🏢 Description: O stanowisku Poszukujemy doświadczonego Senior Python Developera, który dołączy do zespołu rozwijającego zaawansowane narzędzia kredytowe w obszarze Corporate & Institutions. Nasz projekt koncentruje się na walidacji przepływów danych, analizie informacji finansowych i makroekonomicznych oraz na wsparciu jakości frontendu. Obowiązki Tworzenie i utrzymanie narzędzi Python do walidacji danych i automatyzacji procesów Analiza danych zewnętrznych (IMF, World Bank, EU, S&P) Eksperymentowanie i wdrażanie narzędzi AI w procesie developmentu Współpraca z analitykami i zespołem biznesowym Utrzymywanie wysokiej jakości kodu i standardów programistycznych Wsparcie zespołu poprzez mentoring i organizację pracy Wymagania Minimum 5 lat doświadczenia w Pythonie Doświadczenie w budowie narzędzi automatyzujących procesy i walidujących dane Praktyczne wykorzystanie narzędzi AI (np. ChatGPT, Copilot) w developmentcie Silne umiejętności analityczne i rozwiązywania problemów Proaktywne podejście i odpowiedzialność od etapu wymagań po wdrożenie Chęć współpracy i wsparcia zespołu Oczekiwane umiejętności dodatkowe (mile widziane) Data engineering i analiza danych (Pandas, ETL, pipeline’y danych) Znajomość frameworków ML/AI (scikit-learn, TensorFlow, PyTorch) Doświadczenie w systemach finansowych lub credit risk Oferujemy Pracę w trybie hybrydowym (2–3 dni w tygodniu w biurze w Warszawie lub Gdańsku) Umowę B2B w PLN Elastyczny tryb rekrutacji zdalnej Możliwość realnego wpływu na procesy kredytowe i decyzje biznesowe Pracę z nowoczesnymi technologiami łączącymi development, analizę danych i AI Eksperymentowanie i wdrażanie narzędzi AI Dostęp do prywatnej opieki medycznej i karty sportowej Język pracy Angielski, na poziomie B2 lub wyższym Zachęcamy do aplikowania do osób, które są ciekawskie technologicznie, ambitne i lubią pracować zespołowo. Oferujemy możliwość rozwijania się w obszarze sztucznej inteligencji i finansów, działając w inspirującym i dynamicznym zespole.

Technology

Finture Sp. z o.o.

Senior Python Developer (k/m)

Senior

Remote

Warsaw, Poland

🏢 Summary: Senior Python Developer role focused on building microservice-based applications, deploying AI/ML solutions to production, and collaborating with Data Science teams. The position involves working with Kubernetes/OpenShift, CI/CD pipelines, and modern AI technologies such as LLM and RAG while contributing to architectural standards and mentoring. 🗂️ Requirements: 5+ years commercial experience as Senior Python Developer or Technical Leader, Strong knowledge of Python, Experience with FastAPI, Knowledge of microservice architecture, Experience with LLM/RAG solutions, Experience with LangChain, LlamaIndex or LangGraph, Practical knowledge of Docker, Experience with Kubernetes or OpenShift, Knowledge of Git, Experience with CI/CD processes, Experience with pytest, Experience with REST API, Experience with Kafka, Experience with Data & AI solutions, Knowledge of cybersecurity principles, Knowledge of observability, Knowledge of secure application design 📃 Skills: Python, FastAPI, Microservices, LLM, RAG, LangChain, LlamaIndex, LangGraph, Docker, Kubernetes, OpenShift, Git, CI/CD, Tekton, ArgoCD, pytest, REST, Kafka, AI, Cybersecurity, Observability, Podman, Helm 🏢 Description: Dla naszego klienta z branży energetycznej poszukujemy osoby na stanowisko Senior Python Developer (k/m) . Osoba na tym stanowisku będzie odpowiadać za projektowanie i rozwój nowoczesnych aplikacji opartych o architekturę mikroserwisową oraz wspierać wdrażanie rozwiązań AI i Machine Learning do środowiska produkcyjnego. To rola łącząca kompetencje software engineering, architektury systemów oraz współpracy z zespołem Data Science, z realnym wpływem na standardy technologiczne i jakość rozwijanych rozwiązań. Opis stanowiska: Projektowanie i rozwój aplikacji w Pythonie w architekturze mikroserwisowej. Produkcjonalizacja rozwiązań AI/ML (w tym RAG i LLM) tworzonych przez zespół Data Science. Wdrażanie aplikacji na Kubernetes/OpenShift z wykorzystaniem CI/CD (Tekton, ArgoCD). Współtworzenie standardów architektonicznych, code review oraz mentoring zespołu. Współpraca z zespołami Data Science i Cyber Security oraz tworzenie dokumentacji technicznej. Wymagania: Min. 5 lat doświadczenia komercyjnego jako Senior Python Developer lub Technical Leader. Bardzo dobra znajomość Python, FastAPI oraz architektury mikroserwisowej. Doświadczenie z LLM/RAG oraz narzędziami takimi jak LangChain, LlamaIndex lub LangGraph. Praktyczna znajomość Docker, Kubernetes/OpenShift, Git oraz procesów CI/CD. Doświadczenie z testami (pytest), REST API, Kafka oraz rozwiązaniami Data & AI. Znajomość zasad cyberbezpieczeństwa, observability oraz bezpiecznego projektowania aplikacji. Mile widziane: Doświadczenie liderskie lub mentoringowe. Znajomość Podmana i Helm. Doświadczenie w prowadzeniu szkoleń technicznych i rozwijaniu standardów zespołowych. To oferujemy: Pracę w renomowanej organizacji (ITwiz BEST100), działającej w oparciu o międzynarodowe standardy jakości i bezpieczeństwa (ISO 9001, ISO 27001) ·       Niekorporacyjną atmosferę i płaską strukturę organizacyjną ·       Możliwość ciągłego rozwoju poprzez: ·       pracę z wykorzystaniem różnorodnych technologii w projektach dla renomowanych klientów ·       współpracę z doświadczonym zespołem ekspertów, którzy chętnie dzielą się wiedzą ·       dofinansowanie do szkoleń i certyfikatów ·       Program Poleceń Pracowniczych ·       Kulturę organizacyjną opartą na wartościach: ·       działamy z dobrą intencją ·       dzielimy się wiedzą ·       bierzemy odpowiedzialność ·       stale się doskonalimy ·       ludzie są dla nas najważniejsi ·       działamy, znając cel i sens naszej pracy ·       komunikujemy się szczerze i profesjonalnie ·       Udział w inicjatywach dobroczynnych, w tym współpracę z Fundacja im. Joanny Radziwiłł "Opiekuńcze Skrzydła" oraz udział w świątecznej akcji „Gwiazdorzymy” ·       Różnorodne i inkluzywne środowisko pracy – w naszej firmie współpracują przedstawiciele czterech pokoleń ·       Równe szanse rozwoju – 50% stanowisk menedżerskich i liderskich zajmują kobiety ·         Opieka medyczna LUX-MED, dofinansowanie 50% do karty Multisport, dofinansowanie do nauki języków oraz dostęp do platformy wellbeingowej

Technology

ITDS

Senior Python Backend Engineer – AI and Investment Research

Senior

Remote

Warsaw, Poland

6,300 - 8,400 USD

🏢 Summary: Senior Python Backend Engineer role focused on building scalable backend services and APIs to power AI-driven investment research platforms for hedge fund clients. The position involves integrating AI/LLM capabilities, ensuring high reliability, compliance, and secure data delivery in production environments. Fully remote within the EU. 🗂️ Requirements: 6+ years professional Python development in production environments, Strong knowledge of REST API design, Strong understanding of backend architecture patterns, Experience delivering production-ready code, Experience troubleshooting live, customer-facing systems, Fluent English, Legal right to work in Europe 📃 Skills: Python, REST, API, AI, LLM, OpenAI, Anthropic, LangChain, Java, Go, Azure, SEC 🏢 Description: Empower the Future of Investment Research — Lead Innovation with Cutting-Edge AI and Backend Solutions! Remote (EU-based) opportunity with full remote work flexibility As a Senior Python Backend Engineer at our client, you will be working for an industry leader revolutionizing investment research through advanced AI-driven infrastructure. You will contribute to building scalable, reliable platform services that support complex AI workflows, expert network management, and data delivery—serving demanding hedge fund clients with strict compliance needs. This role offers a dynamic environment for growth and impactful technological innovation. Your main responsibilities: Design, develop, and maintain robust backend services and APIs in Python to support AI and data pipelines Collaborate with AI/ML teams to integrate language model capabilities into production systems Write well-structured, maintainable, and tested code with a focus on correctness and reliability Troubleshoot and resolve issues impacting live, customer-facing products Contribute to system architecture decisions and participate in code reviews Ensure compliance with SEC regulations and data security standards You're ideal for this role if you have: At least 6 years of professional experience in Python development in production environments Strong knowledge of REST API design and backend architecture patterns Proven experience delivering high-quality, production-ready code Ability to thrive in fast-paced, high-impact settings with live user products It is a strong plus if you have: (optional) Hands-on experience with AI/LLM integrations (OpenAI, Anthropic, LangChain, or similar) Background in statically typed languages such as Java or Go, enhancing AI prompting and system design skills Familiarity with prompt engineering and handling structured LLM outputs Experience working with cloud infrastructure, preferably Azure Language Required for the role: Fluent English Eligibility for the role: Only candidates with an existing legal right to work in Europe will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

Technology

Link Group

Python Developer & AI

Senior

Hybrid

Krakow, Poland

130 - 175 PLN

🏢 Summary: Senior-level role focused on designing and delivering scalable AI/ML solutions, including LLMs, RAG, and agent-based systems, from architecture to production deployment. The position involves leading technical decisions, writing high-quality Python code, and building cloud-based microservices solutions. The role also requires translating business needs into robust, production-ready AI systems. 🗂️ Requirements: Several years of software development experience (senior-level), Strong Python proficiency, Solid understanding of ML/AI ecosystem (LLMs, NLP, deep learning), Hands-on experience with RAG, prompt engineering, agent-based systems, Experience with microservices architecture, Experience with databases, Experience with Kubernetes, Experience with CI/CD pipelines, Experience with Azure cloud, English proficiency 📃 Skills: Python, LLMs, RAG, NLP, DeepLearning, PromptEngineering, Microservices, Databases, Kubernetes, CICD, Azure, GCP, Java 🏢 Description: Responsibilities: Design and develop scalable AI/ML solutions (LLMs, RAG, agentic systems) Write high-quality, testable Python code Lead technical architecture and make key design decisions for critical projects Own end-to-end delivery of solutions, from design to production deployment Collaborate with business stakeholders and translate requirements into technical solutions Requirements: Several years of experience as a software developer (senior-level preferred) Very strong Python skills and solid understanding of the ML/AI ecosystem (LLMs, NLP, deep learning) Hands-on experience with RAG, prompt engineering, and agent-based systems Experience with microservices architecture, databases, Kubernetes, and CI/CD pipelines Experience with Azure cloud (GCP as a plus) Basic familiarity with Java is a plus Strong English communication skills

Healthcare

STRIVE Sp. z o.o.

Python Backend Developer

Senior

Hybrid

Gdansk, Poland

10,000 - 15,000 PLN

🏢 Summary: Senior Python Developer role focused on designing and developing backend solutions using Python and Django for innovative medical technology products. The position involves building high-performance applications, developing RESTful APIs, and working with SQL-based databases in a microservices architecture. The role offers significant influence over technology choices within international projects. 🗂️ Requirements: Minimum 5 years of experience in Python, Strong experience with Django, Experience building RESTful APIs, Experience with microservices architecture, Knowledge of design patterns, Knowledge of data structures, Experience with SQL-based databases 📃 Skills: Python, Django, REST, Microservices, SQL, APIs 🏢 Description: Dla jednego z naszych Klientów, międzynarodowej firmy z sektora technologii medycznych, tworzącej własne produkty, oparte o inteligentne narzędzia i najnowocześniejsze technologie, poszukujemy osoby na stanowisko: Senior Python Developer Twoje obowiązki: Współudział w projektowanie i rozwijaniu rozwiązań backendowych przy użyciu Python/Django . Pisanie czytelnego i dobrze udokumentowanego kodu. Tworzenie i utrzymanie schematów baz danych oraz zapytań wspierających. Zapewnienie jak najlepszej wydajności, jakości i responsywności aplikacji. Wymagania: Dobre doświadczenie w programowaniu w Python/Django, minimum 5 lat. Doświadczenie w budowaniu interfejsów API RESTful oraz architekturze mikroserwisowej. Znajomość wzorców projektowych, struktur danych, czy technologii baz danych opartych na SQL. Umiejętności rozwiązywania problemów i zdolność do pracy w dynamicznym środowisku. Umiejętności komunikacyjne i umiejętność współpracy w zespole. Mile widziane: Znajomość rozwiązań cloudowych tj. Docker, Kubernetes i AWS. Doświadczenie z metodyką Agile. Oferujemy: Możliwość współtworzenia ciekawych międzynarodowych projektów. Możliwość współpracy na wysokim jakościowo i technologicznie poziomie zapewnionym przez doświadczony management. Dużą samodzielność w działaniu. Realny wpływ na wybory technologii, metod i narzędzi. Dynamiczne i innowacyjne środowisko pracy. Hybrydowy model współpracy (1 dzień w tygodniu w biurze). Dowolna forma zatrudnienia (UoP/B2B) oraz pakiet benefitów.